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Mesoscale Discussion 1176 | |
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Mesoscale Discussion 1176 NWS Storm Prediction Center Norman OK 0302 PM CDT Wed Jun 05 2024 Areas affected...much of central Minnesota into northwestern Wisconsin Concerning...Severe potential...Watch unlikely Valid 052002Z - 052200Z Probability of Watch Issuance...20 percent SUMMARY...Scattered thunderstorm activity will continue to develop and overspread the region through 5-7 PM CDT, accompanied by locally strong to severe surface gusts. DISCUSSION...Mid-level cooling and lift within the exit region of a seasonably strong (70-90 kt around 500 mb) jet digging across the northern Great Plains is contributing to steepening lower/mid-tropospheric lapse rates spreading east-southeast of the Red River Valley through much of northern and central Minnesota. Beneath this regime, a deepening mixed boundary layer remains sufficiently moist to support CAPE in excess of 500 J/kg, with an increase in thunderstorm development ongoing in the wake of preceding thunderstorm activity overspreading the Minnesota Arrowhead through northwestern Wisconsin vicinity. As thunderstorms continue to slowly increase in number and intensify in the peak afternoon heating, downward mixing of stronger momentum to the surface will contribute to increasing potential for strong to widely scattered severe gusts, particularly with storms overspreading central Minnesota into northwestern Wisconsin through 22-00Z. ..Kerr/Smith.. 06/05/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...DLH...MPX...FGF...ABR... LAT...LON 47189448 46009091 44799147 44679366 45179535 46159662 47189448 |
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