Storm Prediction Center (SPC) Severe Weather Forecasts - thorntonweather.com

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Updated: Thu, 05-Aug-2021 10:00pm MDT

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RSS Mesoscale Discussions from Storm Prediction Center SPC - No watches are valid as of Fri Aug 6 04:01:01 UTC 2021 No watches are valid as of Fri Aug 6 04:01:01 UTC 2021. SPC - No MDs are in effect as of Fri Aug 6 04:01:01 UTC 2021 No Mesoscale Discussions are in effect as of Fri Aug 6 04:01:01 UTC 2021. SPC Aug 6, 2021 0100 UTC Day 1 Convective Outlook SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0726 PM CDT Thu Aug 05 2021 Valid 060100Z - 061200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE NORTHWEST AND UPPER MIDWEST... ...SUMMARY... A few lingering wind gusts, and perhaps a marginal hail report, remain possible this evening across parts of the Northwest and upper Midwest. ...01z Update... Scattered thunderstorms continue ahead of a frontal zone from the Arrowhead of MN into extreme southeast SD. This activity is mostly behind the short wave and is largely driven by boundary-layer heating and low-level convergence near the front. Diurnal cooling should result in weakening thunderstorms along this corridor in the next few hours. Seasonally strong short-wave trough is ejecting across northern CA toward southeast OR. High-level diffluent flow and strong boundary-layer heating remain conducive for scattered convection ahead of this feature. Gusty winds remain possible with this high-based convection for the next few hours then boundary-layer cooling should limit updraft strength. ..Darrow.. 08/06/2021 Read more

Data courtesy National Weather Service Storm Prediction Center.

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