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| Mesoscale Discussion 2034 | |
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Mesoscale Discussion 2034 NWS Storm Prediction Center Norman OK 0537 PM CDT Thu Aug 29 2024 Areas affected...parts of eastern Minnesota and northwestern Wisconsin Concerning...Severe Thunderstorm Watch 662... Valid 292237Z - 300030Z The severe weather threat for Severe Thunderstorm Watch 662 continues. SUMMARY...An organized squall line may continue to pose a risk for strong to severe wind gusts and, perhaps, a brief tornado or two, before gradually weakening across north central Wisconsin by 8-9 PM CDT. DISCUSSION...Cold surface ridging has been slow to lose influence across much of northern and eastern Wisconsin into Michigan and the adjacent Great Lakes. Although modest destabilization is ongoing along the warm front east-southeast of Minneapolis into the Madison WI vicinity, it is not clear how much longer low-level southeasterly inflow will be sufficiently unstable to maintain the more organized segment of the squall line now in the process of advancing into northwestern and west central Wisconsin. However, cyclonic mesoscale lower/mid-level circulations still evident within the line might maintain a risk for damaging surface gusts and perhaps a brief tornado or two another couple of hours, into the 00-01Z time. Given the 30-35+ kt northeasterly/easterly forward propagation, this risk may spread into portions of north central Wisconsin east of the severe weather watch area. However, it is not yet clear that a new severe weather watch will be needed. ..Kerr.. 08/29/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...DLH...ARX...MPX... LAT...LON 45929231 46189231 46499110 45689024 44709048 43859137 44049255 44419279 45279233 45929231 |
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