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Mesoscale Discussion 1240 | |
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Mesoscale Discussion 1240 NWS Storm Prediction Center Norman OK 0451 PM CDT Wed Jun 12 2024 Areas affected...southern Wisconsin into far northern Illinois Concerning...Severe potential...Watch unlikely Valid 122151Z - 130015Z Probability of Watch Issuance...20 percent SUMMARY...A corridor of strong to locally damaging gusts may extend across the rest of southern Wisconsin, and perhaps into far northern Illinois. DISCUSSION...A well-defined MCV is moving rapidly eastward across southwest WI, with periodically strong cores along the leading outflow. KOVS in southwest WI measured a 56 kt gust at 2107Z. Overall moisture and instability is weak. However, temperatures have warmed into the 90s F, with steep low-level lapse rates present. Visible imagery further shows Cu fields across IL, south of the cirrus to the north. Given southwesterly surface winds, sufficient warming may remain ahead of the MCV to support periodic upticks in intensity despite limited moisture. Strong gusts should continue to be the main threat, though a watch is not expected. ..Jewell.. 06/12/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...LOT...MKX...DVN...ARX... LAT...LON 43159020 42908776 42558767 42208790 42288834 42468964 42639032 42979045 43159020 |
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