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Mesoscale Discussion 512 |
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Mesoscale Discussion 0512
NWS Storm Prediction Center Norman OK
1228 PM CDT Mon Apr 21 2025
Areas affected...central/southern Mississippi...central/northern
Alabama...south-central Tennessee
Concerning...Severe potential...Watch unlikely
Valid 211728Z - 212000Z
Probability of Watch Issuance...5 percent
SUMMARY...Marginal risk for gusty winds and hail through the
afternoon and evening.
DISCUSSION...Thunderstorm activity has been ongoing across a cold
front extending through the southeastern states this morning. Ahead
of this feature, breaks in the cloud cover have allowed daytime
heating and modest MLCAPE around 500-1500 J/kg to develop. Flow
across this region is fairly weak, though some deep layer shear
20-35 knots is observed in surface objective analysis. As storms
move north and eastward this afternoon, potential for a few areas of
gusty winds and small hail will be possible. Severe potential
appears too limited for watch issuance to be needed.
..Thornton/Hart.. 04/21/2025
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...MRX...FFC...OHX...BMX...HUN...MOB...MEG...JAN...
LIX...LCH...
LAT...LON 32359100 34078895 34988766 35488672 35598618 35568570
35518555 35418525 34988505 32058795 30378982 29949059
30199162 30559195 30949207 32359100
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN
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