Spring may have officially begun this week but Old Man Winter is hanging on and delivering a powerful punch to northeastern Colorado. A winter storm with heavy snow, strong winds and bitter cold serve as a reminder that March is Denver’s snowiest month. How much more can we expect? What are the impacts so far? Complete details in the story from the Denver Weather Examiner here.
For four decades Landsat satellites have beamed back amazing pictures of the Earth from their perch far above the planet’s surface. The latest craft in the series was launched last month and among the first images it captured were pictures of the area around Fort Collins and the Galena Fire burn scar.
The Landsat Data Continuity Mission took to space on February 11 to continue the joint program between NASA and the USGS. This latest spacecraft has some of the highest resolution imagery devices of any Earth-observing satellite and will allow the agencies to monitor the natural and human processes taking place on the planet.
This week NASA released some of the first images from the new craft including its ‘Image of the Day’ from the Earth Observatory program on Thursday. The photos capture the northern Colorado Front Range in natural color and one showing wavelengths of light not seen by the human eye. The city of Fort Collins is clearly seen as is the Galena Fire burn scar west of Horsetooth Reservoir.
Below the images are further explanation from NASA.
From NASA:
On March 18, 2013, the newly launched Landsat Data Continuity Mission (LDCM) began to send back images of Earth from both of its instruments—the Operational Land Imager (OLI) and the Thermal Infrared Sensor (TIRS). This view of Fort Collins, Colorado, is among the satellite’s first images.
The images above are close-up views from the OLI sensor at its maximum resolution of 15 meters per pixel. The top image displays natural color, while the second image blends shortwave infrared, near-infrared, and green wavelengths (LDCM bands 7, 5, 3). The close-ups were cropped from larger Landsat scenes (downloadable beneath each web image) that show where the Great Plains meet the Front Range of the Rocky Mountains in Wyoming and Colorado.
“The first OLI and TIRS images look great right out of the box,” said Jim Irons, LDCM project scientist. “I have waited a long time to view the first LDCM images and I could not be more impressed with their appearance.”
Made with reflected red, green, and blue light, the top image shows Fort Collins as the human eye would see it. The city is a gray grid surrounded by the curving roads and brown yards of residential neighborhoods. White clouds cast black shadows on the ground below. Land freshly burned in the Galena fire is charcoal black—just slightly darker than the dark green coniferous forest to its west.
The second image shows Fort Collins in wavelengths of light not usually visible to people. Plants are green, city areas are purple, snow is pale blue, and bare earth is tan-pink. This combination of visible and infrared light reveals features of the landscape not otherwise visible. For example, irrigated parks, yards, and golf courses are bright green in this image, but brown in natural color. The Galena Fire burn scar is dark red and easy to distinguish from its surroundings.
The Landsat Data Continuity Mission was launched on February 11, 2013, to continue the four-decade-long Landsat record of Earth’s landscapes. LDCM represents an evolutionary advancement in technology from previous Landsat sensors, collecting more data daily and with greater fidelity. The imagers also include two new bands to improve the view of clouds and near-shore waters.
LDCM’s normal operations are scheduled to begin in late May 2013, after the instruments have been calibrated and the spacecraft has been fully checked out. At that time, NASA will hand over control of the satellite to the U.S. Geological Survey, and the satellite will be renamed Landsat 8.
Read more about LDCM and its imagery in the NASA story: A Closer Look at LDCM’s First Scene.
Spring officially began this morning at 5:02am MDT. It is during this time, the vernal equinox, that the Earth’s axis is not tilted toward or away from the Sun. As a result equal amounts of the Sun’s light are directed to the Northern and Southern Hemispheres.
Soon after the event this morning one of NOAA’s GOES satellites captured the light on the face of the planet in near perfect equilibrium.
From NOAA:
Mar 20, 2013
GOES Satellite Captures Spring Equinox
It is that time of year again (it happens twice) when the relative angle of Earth is perpendicular to the Sun, causing equal incoming solar energy to the Northern and Southern hemispheres – as well as equal day and nighttime. At 7:02 ET on March 20, 2013, Earth was at its equinox. At 7:45 ET, the GOES-13 satellite captured this full disk image of Earth. The visible imagery sensor on GOES requires sunlight to “see” clouds, and so it provides a useful example of the equinox. In this image the GOES imagery extends to each of the poles since the entire hemisphere is equally lit. After the equinox passes today, the Northern Hemisphere will be more lit than the Southern Hemisphere – causing the seasons. (Note: the Sun in this image is artificially created, though the GOES spacecraft does have sensors continually monitoring the Sun for solar activity.)
March weather can be gorgeous but it can also be nasty with a healthy dose of any of the four seasons. Our look back at this week highlights this with a number of notable weather events from powerful, damaging winds to landspout tornadoes and of course monstrous snow storms.
From the National Weather Service:
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In 1906…an extended cold and blustery period occurred with light snow totaling 14.4 inches over 11 consecutive days. The greatest amount of snow on a single day was 4.0 inches on the 15th. Only a trace of snow fell on the 12th and 17th. High temperatures were below freezing for the entire period. The coldest were 14 degrees on the 16th and 18 degrees on the 17th. Both readings were record low maximums for the dates. Low temperatures were mostly in the single digits. The coldest were 2 degrees below zero on the 16th and 5 degrees below zero on the 19th. Northeast winds were sustained to 22 mph on the 9th. North winds were sustained to 36 mph on the 10th…32 mph on the 13th…and 22 mph on the 15th.
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In 1966…high winds caused extensive minor damage across metro Denver. A light plane was overturned at Stapleton International Airport where northwest wind gusts to 55 mph were recorded. Winds gusted to 56 mph at Table Mesa in Boulder
In 1989…strong winds raked metro Denver. West wind gusts to 49 mph were clocked at Stapleton International Airport.
In 2003…the first tornado of the season was sighted near Strasburg. The small landspout touched down briefly…but caused no damage.
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In 1923…4.2 inches of snow fell over downtown Denver. Northwest winds were sustained to 45 mph with gusts to 49 on the 17th. Low temperature of zero degrees on the 18th was the lowest of the month that year.
In 1944…heavy snow fell across metro Denver. The storm started as rain on the 17th…but soon turned to snow. Snowfall amounts totaled 8.5 inches in downtown Denver and 11.0 inches at Stapleton Airport. The highest wind recorded during the storm was 23 mph on the 17th.
In 1961…a major winter storm dumped 10.7 inches of snow at Stapleton Airport. Most of the snow…9.7 inches…fell on the 18th. Winds were light.
In 1994…strong winds buffeted metro Denver. West winds gusted to 51 mph at Stapleton International Airport on the 17th. Other significant wind gusts included 85 mph atop Squaw Mountain south of Idaho Springs…and 82 mph at Rollinsville southwest of Boulder…both on the 18th.
In 1996…a second storm in less than 3 days dumped heavy snow in the mountains and foothills again…but snowfall amounts across metro Denver ranged from only 2 to 4 inches. The heavy snowfall resulted in several traffic accidents along I-25 and I-70…south and west of Denver respectively. The major accidents involved at least 30 cars and resulted in several minor injuries. The accidents closed both highways for a time. Snowfall totals included 13 inches at Evergreen and 10 inches at Conifer. Snowfall totaled only 0.7 inch at the site of the former Stapleton International Airport. At Denver International Airport… North winds gusted to 28 mph on the 17th and 39 mph on the 18th.
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In 1933…rain changed to snow on the evening of the 17th and continued through mid-day of the 19th. Snowfall totaled 5.6 inches with 0.83 inch of precipitation in in the city. North winds were sustained to 38 mph with gusts to 46 mph on the 18th and to 30 mph with gusts to 43 mph on the 19th.
In 2003…one of the worst blizzards since historic records began in 1872 struck metro Denver with a vengeance. Heavy wet snow accumulating to around 3 feet in the city and to more than 7 feet in the foothills brought transportation to a near standstill. North winds sustained to 30 mph with gusts as high as 41 mph produced drifts to 6 feet in the city. The estimated cost of property damage alone…not including large commercial buildings…was 93 million dollars… Making it the costliest snowstorm ever. Mayor Wellington Webb of Denver said…”this is the storm of the century…a backbreaker…a record breaker…a roof breaker.” Two people died in Aurora from heart attacks after shoveling the heavy wet snow. The National Guard sent 40 soldiers and 20 heavy duty vehicles to rescue stranded travelers along I-70 east of Gun Club Road. The heavy wet snow caused roofs of homes and businesses to collapse. The snow also downed trees… Branches…and power lines. Two people were injured when the roofs of their homes collapsed. In Denver alone…at least 258 structures were damaged. In Arvada…a roof collapse at west gate stables killed a horse. Up to 135 thousand people lost power during the storm…and it took several days for power to be restored in some areas. Denver International Airport was closed…stranding about 4000 travelers. The weight of the heavy snow caused a 40-foot gash in a portion of the tent roof…forcing the evacuation of that section of the main terminal building. Avalanches in the mountains and foothills closed many roads…including I-70…stranding hundreds of skiers and travelers. Along I-70…an avalanche released by the Colorado department of transportation…blocked the interstate in both directions for several hours. Several residences between Bakerville and Silver Plume were evacuated because of the high avalanche danger. At Eldora Ski Area…270 skiers were stranded when an avalanche closed the main access road. After the storm ended…a military helicopter had to ferry food to the resort until the road could be cleared. The heavy snow trapped thousands of residents in their foothills homes in Jefferson County for several days. Two homes burned to the ground when fire crews could not reach the residences. Some schools remained closed well into the following week. The storm officially dumped 31.8 inches of snow at the site of the former Stapleton International Airport…the most snowfall from a single storm since the all-time record snowfall of 37.5 inches on December 4-5…1913. The storm made March 2003 the snowiest March on record…the 4th snowiest month on record… And the 5th wettest March on record. The 22.9 inches of snow on the 18th into the 19th was the greatest 24 hour snowfall ever recorded in the city during the month of March. The storm was also a drought-buster…breaking 19 consecutive months of below normal precipitation in the city. Snowfall across metro Denver ranged from 2 feet to more than 3 feet. The highest amounts included: 40 inches in Aurora…38 inches in centennial and 6 miles east of Parker…37 inches at Buckley AFB…35 inches in southwest Denver…34 inches in Louisville… 32 inches in Arvada…31 inches in Broomfield and Westminster… And 22.5 inches in Boulder. In the foothills…snowfall ranged from 3 feet to more than 7 feet. Some of the most impressive storm totals included: 87.5 inches atop Fritz Peak and in Rollinsville…83 inches at cabin creek…74 inches near Bergen Park…73 inches northwest of Evergreen…72 inches in Coal Creek Canyon…70 inches at Georgetown…63 inches near Jamestown…60 inches near Blackhawk…55 inches at Eldora Ski Area…54 inches 8 miles west of Sedalia…and 46.6 inches at Ken Caryl Ranch. The storm was the result of a very moist…intense slow moving pacific system which tracked across the four corners and into southeastern Colorado…which allowed deep easterly upslope flow to form along the Front Range.
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In 1883…0.3 inch of snow fell in downtown Denver. This was the only measurable snowfall of the month.
In 1903…rain changed to sleet and then to snow…which became heavy. Post-frontal snowfall totaled 7.0 inches over the city. North winds were sustained to 51 mph with gusts as high as 60 mph.
In 1905…northwest winds were sustained to 42 mph.
In 1914…northeast winds were sustained to 46 mph with gusts to 56 mph behind a strong cold front. Snowfall was 3.4 inches over the city…but most of the snow melted as it fell. The estimated amount of melted snow was 8.1 inches.
In 1920…a terrific windstorm occurred along the eastern foothills. Two deaths were attributed to the storm and some damage occurred. Both Denver and Boulder were affected by the strong winds. West winds were sustained to 51 mph with gusts as high as 66 mph in downtown Denver. The strong winds did considerable damage to property… Wires…plate glass windows…and indirectly loss by fire. The wind caused the death of one young girl by toppling the side of a brick building on her as she was standing on a corner waiting for a car. The wind was also responsible for several severe auto accidents due to blowing debris into the streets and blowing dust and dirt into the eyes of drivers.
In 1954…west winds at sustained speeds of 40 mph and gusts as high as 56 mph produced some blowing dust at Stapleton Airport.
In 1979…heavy snow totaled 4 to 12 inches along the Front Range from Denver north. I-25 was closed for a brief time between Denver and Cheyenne. New snowfall totaled 4.3 inches at Stapleton International Airport where north winds gusted to 29 mph.
In 1998…a major winter storm dumped heavy snow over areas west from I-25 to the continental divide as strong upslope conditions developed. Two to 3 1/2 feet of snow fell in the foothills with 1 to 2 feet reported in west metro Denver. Snowfall totals included: 38 inches at Silver Spruce Ranch…2 miles south of Ward; 35 inches at Aspen Springs; 33 inches near Blackhawk; 30 inches at Eldora; 29 inches in Coal Creek Canyon; 27 inches at Conifer… Chief Hosa…and Nederland; 25 inches at Rollinsville and Gross Reservoir; 21 inches at Evergreen; and 15 to 19 inches at Broomfield…Lakewood…and Table Mesa in Boulder. Elsewhere across metro Denver…snowfall ranged from 8 to 14 inches. Snowfall totaled only 7.9 inches at the site of the former Stapleton International Airport. East winds gusted to 31 mph at Denver International Airport.
Continue reading March 17 to March 23: This Week in Denver Weather History
Heavy, wet snow is the hallmark of March in Denver and we see many events containing just that in our look back at this week in Denver weather history.
From the National Weather Service:
8-10
In 1989…unusually warm weather set four daily temperature records in Denver. The high temperature of 74 degrees on the 8th exceeded the record. Records were equaled on the 9th with a high of 77 degrees and the 10th with a high of 79 degrees. The low temperature of 42 degrees on the 10th set a new record high minimum for the date.
9-10
In 1904…strong Chinook winds raked the city for 2 days. On the 9th…west winds sustained to 53 mph with gusts to 62 mph warmed the temperature to a high of 55 degrees. On the 10th… West winds were sustained to 48 mph with gusts to 54 mph. The high temperature was 58 degrees.
9-11
In 1927…rain changed to heavy snow behind a cold front and totaled 7.7 inches over downtown Denver. North winds were sustained to 37 mph with an extreme velocity to 38 mph on the 11th.
In 1955…a strong windstorm raked the eastern foothills. A wind gust to 95 mph was recorded at Rocky Flats with a gust to 60 mph measured at Valmont. Damage in Boulder totaled 10 thousand dollars. Minor injuries also occurred. The strong winds were associated with a vigorous cold front that produced northwest winds at 40 mph with gusts as high as 52 mph at Stapleton Airport where the visibility was briefly reduced to 3/4 mile in blowing dust on the 10th.
In 1968…5.5 inches of snow fell at Stapleton International Airport where northeast winds gusted to 24 mph on the 10th.
9-19
In 1906…an extended cold and blustery period occurred with light snow totaling 14.4 inches over 11 consecutive days. The greatest amount of snow on a single day was 4.0 inches on the 15th. Only a trace of snow fell on the 12th and 17th. High temperatures were below freezing for the entire period. The coldest were 14 degrees on the 16th and 18 degrees on the 17th. Both readings were record low maximums for the dates. Low temperatures were mostly in the single digits. The coldest were 2 degrees below zero on the 16th and 5 degrees below zero on the 19th. Northeast winds were sustained to 22 mph on the 9th. North winds were sustained to 36 mph on the 10th…32 mph on the 13th…and 22 mph on the 15th.
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In 1893…northwest winds were sustained to 48 mph with gusts to 60 mph in the city.
In 1948…the high temperature warmed to only 6 degrees… The all-time record low maximum for the month of March. The same reading also occurred on March 6…1920.
In 1970…5.0 inches of snow fell at Stapleton International Airport where north winds gusted to 21 mph.
Continue reading March 10 to March 16: This Week in Denver Weather History
Perhaps we could call it the ‘Daylight Savings Storm of 2013’ or some other lame name like the Weather Channel uses. Then again, we will stick with simply calling yesterday’s snowstorm a late winter storm that brought much-needed precipitation.
Leading up to yesterday’s storm all indicators were there for a significant shot of snow. Forecasts varied a bit from outlet to outlet and some were disappointed that we didn’t receive as much as some forecasts said. However within range with our forecasts for Thornton.
Snow began falling during the 4:00am hour on Saturday, March 9 and would continue for nearly 12 hours. It was the first six hours that the most accumulation was recorded. After that relatively warm temperatures and warm ground melted the snow as fast – and faster – than it was falling.
The one benefit of the fast melting is that Denver metro area roads never really became all that bad. The story was quite different on the plains to the east where blowing snow prompted the closure of Interstate 70 for 24 hours or so. Denver International Airport (DIA) did have more than 600 flights cancelled.
At its highest we recorded 5.6 inches of snow on the ground. More than that certainly fell but the melting was taking its toll. This brings Thornton’s seasonal snowfall total to 34.5 inches.
Officially Denver recorded 5.4 inches as measured at Denver International Airport. The Mile High City’s seasonal total is now at 38.5 inches.
Best of all the heavy, wet snow contained a great deal of liquid precipitation. Thornton saw 0.48 inch of precipitation and Denver 0.27 inch. As parched as our landscape has been this winter this is very welcome.
Below is a time lapse video from our east webcam of the storm from start to finish – 14 hours in 28 seconds. Scroll down below that for an interactive map of snowfall totals from across northeastern Colorado.
As Thornton gets hit by a much-needed snowstorm, we are monitoring it very closely and posting regularly to our Facebook page and Twitter feed. You can follow along in real time below. We are also on Google+ here.
For comprehensive look at the storm, please monitor our Winter Weather Briefing page.
The biannual ritual of changing our clocks to adjust for Daylight Savings Time occurs this Saturday night providing yet another signal of the changing of seasons. The United States will ‘spring forward’ one hour at 2:00am Sunday morning as we begin Daylight Savings Time.
The ritual of changing our clocks twice a year can be met with some resistance as some people struggle to adjust their body’s internal clock. The start of Daylight Savings Time can be particularly problematic given the one hour less sleep people receive on the night of the change.
However, longer days as we head into the milder months are a very real benefit and for many worth the inconvenience of a lost hour of sleep. The time change definitely has big effects on how much daylight we enjoy during our normal waking hours.
On Saturday, prior to the change, sunset will occur at 6:00pm but on Sunday the sun won’t disappear over the horizon until 7:01pm. This affords folks more time in the evening to get started on those spring-time chores and allows us to get outside and enjoy the warming weather.
The spring equinox is also on the horizon. Spring officially begins at 5:02am on March 20.
This year Daylight Savings Time will come to an end on November 3.
Some of the recent history of Daylight Savings Time (from Wikipedia):
Daylight saving time in the United States was first observed in 1918. Most areas of the United States currently observe daylight saving time, with the exceptions being the states of Arizona and Hawaii along with the territories of Puerto Rico, American Samoa, Guam, and the Northern Mariana Islands.
From 1987 to 2006, daylight saving time in the United States began on the first Sunday of April and ended on the last Sunday of October. The time was adjusted at 2:00 AM (0200) local time (as it still is done now).
Since 2007, daylight saving time starts on the second Sunday of March and ends on the first Sunday of November, with all time changes taking place at 2:00 AM (0200) local time. In 2011, daylight saving time began on March 13 and will end on November 6.
Daylight Savings Time Schedule
| Year | DST Begins 2 a.m. (Second Sunday in March) |
DST Ends 2 a.m. (First Sunday in November) |
|---|---|---|
| 2013 | 10 March 2013 | 3 November 2013 |
| 2014 | 9 March 2014 | 2 November 2014 |
| 2015 | 8 March 2015 | 1 November 2015 |
| 2016 | 13 March 2016 | 6 November 2016 |
| 2017 | 12 March 2017 | 5 November 2017 |
| 2018 | 11 March 2018 | 4 November 2018 |
| 2019 | 10 March 2019 | 3 November 2019 |
The month of March sometimes brings with it some of our most interesting weather with a wide variety of conditions possible. Our look back at this week in Denver weather history showcases this fact as we see damaging, high wind events, monster snow storms, and even thunderstorms.
From the National Weather Service:
2-3
In 1901…strong northwest winds raked the city for 2 days. On the 2nd…winds were sustained to 55 mph with gusts to 62 mph. The Chinook winds warmed the temperature to a high of 72 degrees…a record maximum for the date. On the 3rd…winds were sustained to 61 mph with gusts as high as 65 mph. The high temperature was 59 degrees.
In 1964…heavy snowfall of 6.3 inches was measured at Stapleton International Airport. East winds gusted to only 20 mph behind a cold front.
In 1978…5.0 inches of snowfall were measured at Stapleton International Airport where northeast winds gusted to 24 mph on the 2nd. The passage of a cold Canadian front kept temperatures only in the teens and 20’s on the 2nd after a high temperature of 33 degrees shortly after midnight. The temperature…after a morning low of 3 degrees below zero…climbed to only 14 degrees on the 3rd…setting a record low maximum for the date.
2-4
In 1963…heavy wet snow was accompanied by strong gusty winds across metro Denver. Snowfall totaled 11.6 inches at Stapleton Airport where north winds gusting to 44 mph caused much blowing and drifting snow. Hazardous driving conditions resulted in many traffic accidents.
In 1976…snowfall totaled 8.0 inches at Stapleton International Airport where…on the 4th…northeast winds gusted to 31 mph reducing the visibility to as low as 1/4 mile. Maximum snow depth on the ground was 7 inches. Nine inches of snow were measured in Boulder.
3
In 1875…six inches of snow fell in Georgetown.
In 1895…northwest bora winds were sustained to 45 mph with gusts to 58 mph in the city.
In 1966…cold northwest wind gusts of 50 to 90 mph occurred across metro Denver. Both cars and trucks were blown off an icy highway just east of Denver where some highways were closed by either blowing dust or blowing snow. A northwest wind gust to 43 mph was recorded at Stapleton International Airport. The strong winds caused limited minor damage.
In 1972…winds gusted to 55 mph in Boulder causing no reported damage. West winds gusted to 49 mph at Stapleton International Airport.
In 1985…snow struck metro Denver. Heaviest hit was Boulder where 6 to 8 inches were measured. Icy roads caused the closure of I-25 north and south of Denver due to traffic accidents. The snow also caused long delays at Stapleton International Airport where snowfall totaled only 2.6 inches.
In 1997…west winds gusted to 52 mph at Denver International Airport.
3-4
In 1932…a dust storm occurred on the 3rd during the late afternoon. North winds gusting as high as 38 mph behind a cold front kicked up much blowing dust. Light snow developed during the evening and continued through the early morning of the 4th. Snowfall totaled 2.7 inches.
In 1934…strong winds raked Boulder. A wind gust to 62 mph was recorded at Valmont just east of Boulder. The strong winds caused hundreds of dollars of damage in Boulder.
In 1981…the most vigorous snow storm of the season struck the state…closing many schools and most highways connecting Denver…Colorado Springs…and Limon. North winds gusting to 43 mph whipped nearly 10 inches of snow in Denver into 3-foot drifts and snarled traffic on the morning of the 4th. Snowfall totaled 9.8 inches at Stapleton International Airport.
In 1989…a storm dumped 2 to 6 inches of snow across metro Denver. The snow caused 2-hour air traffic delays at Stapleton International Airport where 3.0 inches of snow fell and north winds gusted to 23 mph on the 3rd. There were many traffic accidents across metro Denver. I-70 was closed east of Denver for a time on the 3rd.
In 1991…high winds raked the eastern foothills. Wind gusts of 60 to 90 mph were common with 119 mph recorded at Wondervu southwest of Boulder…106 mph on Shanahan Ridge and 92 mph at Table Mesa…both in southwest Boulder. Several trees were uprooted and traffic signs and lights blown over. Flying debris caused damage to homes… Buildings…and cars.
In Boulder…a stop sign was blown onto a car. There were no reports of injuries. Southwest winds gusting as high as 48 mph briefly reduced the prevailing visibility to as low as 1/16th mile in blowing dust at Stapleton International Airport on the 4th.
3-5
In 1961…snowfall totaled 8.3 inches at Stapleton Airport over the 3-day period with most of the snow…4.4 inches… Falling on the 3rd. Winds were generally light gusting to only 23 mph.
Continue reading March 3 to March 9: This Week in Denver Weather History
March is historically the Denver area’s snowiest month and only four days into it Mother Nature delivered a nice, wet shot of the white stuff. The storm moved through quickly Monday afternoon and now we focus on a potentially significant storm this coming weekend.
Today Thornton recorded 2.4 inches of snow and a very welcome 0.15” of liquid precipitation from it. Similar totals, many a bit less, were seen in other locations of the Denver metro area.
This brings Thornton’s seasonal snow total to 28.9 inches. That is still well below normal but given the progress made in recent weeks, we are hoping these storms continue to arrive.
As we discussed in this morning’s forecast, models are pointing toward a far more significant storm arriving as early as late Friday and lasting well into the weekend.
One model, the European ECMWF, has been relatively consistent with its projection of a powerful storm with a hefty shot of snow. Other models have been less optimistic but on later runs today they are starting to come in line with the same thinking.
This system will bear close watching. Click here for the latest forecast.
Below is a time lapse video of today’s snow showing 4 hours compressed to 8 seconds.