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| Mesoscale Discussion 2089 | |
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Mesoscale Discussion 2089 NWS Storm Prediction Center Norman OK 0741 PM CDT Thu Sep 19 2024 Areas affected...forsoutheastern Minesotta...western Wisconsin Concerning...Severe Thunderstorm Watch 677... Valid 200041Z - 200245Z The severe weather threat for Severe Thunderstorm Watch 677 continues. SUMMARY...Severe threat continues within WW677. DISCUSSION...Storms continue along a northward lifting warm front and cold front moving across portions of eastern MN into western WI. Recent storm reports from storms along the warm front have produced instances of hail up to 1.25 in. Recent 00z RAOB from MPX shows a warm layer aloft with MLCAPE around 1900 J/kg and deep layer shear around 30 kts. Hodographs are primarily linear with generally uniformly westerly winds aloft. This will continue to support mixed mode of multi-cell clusters and occasional supercells capable of large hail. The highest threat for large hail will remain along and north of the warm front in the near term. Further severe development will continue along and ahead of the cold front as well, with potential for hail and instances of strong to severe wind. ..Thornton.. 09/20/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...ARX...MPX... LAT...LON 44119332 45409268 45469098 45219069 44589080 43999153 43759191 43609313 43609316 44119332 |
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