National Weather Service Forecast Discussion
| 5 Day Forecast |
000 FXUS65 KBOU 280832 AFDBOU AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER CO 235 AM MDT THU AUG 28 2008 .SHORT TERM...THE SHORTWAVE OVER THE NORTHERN PLAINS IS PUSHING A WEAK SECONDARY FRONT THROUGH OUR AREA THIS MORNING. THIS WILL BRING DRIER AND SLIGHTLY COOLER AIR IN FROM THE NORTHWEST...FURTHER STABILIZING THE LOWER ATMOSPHERE. SKIES SHOULD BE NEARLY CLEAR TODAY. CURRENT FORECAST TEMPERATURES LOOK FINE...EXCEPT I DID DROP THE MOUNTAINS LOWS TONIGHT A FEW DEGREES. .LONG TERM...MODELS HAVE A FLAT UPPER RIDGE MOVE ACROSS THE FORECAST AREA FROM FRIDAY THROUGH SATURDAY EVENING. THE FLOW ALOFT IS WEST-NORTHWESTERLY THROUGH THE PERIODS. THE SYNOPTIC SCALE ENERGY IS BENIGN THROUGH THE PERIOD. THE BOUNDARY LAYER FLOW WILL BE AFFECTED BY LOW LEVEL TROUGHING EAST OF THE MOUNTAINS THROUGH SATURDAY. FOR MOISTURE...MODELS HAVE SOME OVER THE PLAINS AND FOOTHILLS BOTH FRIDAY AND SATURDAY. PRECIPITABLE WATER VALUES ARE IN THE 0.55 TO 0.95 INCH RANGE THROUGH SATURDAY EVENING. THE BOUNDARY LAYER DEW POINTS STAY IN 50S F OVER THE PLAINS THROUGH THE PERIODS. THERE IS SOME CAPE OVER THE FOOTHILLS AND PLAINS BOTH LATE DAY FRIDAY AND LATE DAY SATURDAY...MORE FOR FRIDAY. THE LAPSE RATE FIELDS SHOW A MID LEVEL CAP OVER THE EASTERN HALF OF THE PLAINS LATE DAY FRIDAY. THERE IS A MID LEVEL CAP ON SATURDAY AS WELL...AND IT COVERS MORE OF THE FORECAST AREA AND IS A TAD STRONGER. THE QPF FIELDS HAVE MINOR AMOUNTS OF MEASURABLE PRECIPITATION OVER SOME OF THE FORECAST AREA LATE FRIDAY...LESS ON SATURDAY. FOR POPS...WILL UP FRIDAY`S TO 10%-20%S FOR THE MOUNTAINS...FOOTHILLS...AND WESTERN PLAINS. FOR LATE DAY SATURDAY...10%S OVER THE MOUNTAINS AND FOOTHILLS WILL SUFFICE. FOR TEMPERATURES...FRIDAY`S HIGHS ARE 1.5-3.5 C WARMER THAN THURSDAY`S. SATURDAY`S WARM UP 1-2.5 C MORE. FOR THE LATER DAYS...SUNDAY THROUGH WEDNESDAY...MODELS STILL HAVE AN UPPER TROUGH MOVING OVER THE FORECAST AREA MONDAY INTO TUESDAY. AFTER THAT...ZONAL FLOW IS PROGGED WELL INTO MID WEEK. PREVIOUS SHIFT HAS ALTERED POPS ACCORDINGLY...NO CHANGES. && .AVIATION...VFR CONDITIONS ARE EXPECTED THROUGH TONIGHT. && .BOU WATCHES/WARNINGS/ADVISORIES...NONE. $$ GIMMESTAD/RJK
NWS BOU Office Area Forecast Discussion
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