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| Mesoscale Discussion 1971 | |
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Mesoscale Discussion 1971 NWS Storm Prediction Center Norman OK 0853 PM CDT Wed Aug 21 2024 Areas affected...eastern Montana southeastward to central South Dakota...and into western North Dakota Concerning...Severe Thunderstorm Watch 642...643... Valid 220153Z - 220400Z The severe weather threat for Severe Thunderstorm Watch 642, 643 continues. SUMMARY...Severe risk -- including potential for large hail and damaging gusts -- continues across the northern High Plains vicinity. DISCUSSION...Latest radar composite loop across the northern High Plains region shows clusters of strong/severe storms moving east-northeastward, within a favorably unstable/sheared environment. While hail and damaging gusts are possible with any of the stronger storms, convection appears to be evolving into a semi-organized band across northeastern Montana. This cluster bears watching, as continued organization/intensification could result in the storms becoming sufficiently long-lived to bring risk for severe weather east of WW 643 into western North Dakota over the next couple of hours. This could require downstream WW consideration. ..Goss.. 08/22/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...ABR...BIS...UNR...BYZ...GGW...TFX... LAT...LON 48970909 48990278 47380222 44230058 43580099 44070251 44930360 44920473 45280638 46420731 47540940 48970909 |
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