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| Mesoscale Discussion 1962 | |
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Mesoscale Discussion 1962 NWS Storm Prediction Center Norman OK 0931 PM CDT Mon Aug 19 2024 Areas affected...north-central Montana Concerning...Severe Thunderstorm Watch 640... Valid 200231Z - 200400Z The severe weather threat for Severe Thunderstorm Watch 640 continues. SUMMARY...Risk for locally damaging wind gusts continues across parts of north-central Montana, in/near WW 640. DISCUSSION...Latest radar loop shows that as storms have descended from higher elevations into a more moist/unstable airmass, intensification/organization of the storms into a loose banded structure has occurred. The convection is moving northeastward at around 40 kt, and has produced wind gusts in the 50 to 60 MPH range over the past hour, along with small hail. Expect risk for damaging wind gusts to continue locally over the next hour or so, before storms weaken -- and begin moving across the international border. This should correspond well to the currently scheduled 20/04Z expiration time set for WW 640. ..Goss.. 08/20/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...BYZ...GGW...TFX... LAT...LON 47961130 48241110 48841063 48920826 47100859 46680943 47091000 47631058 47961130 |
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