Storm Prediction Center Mesoscale Discussion 303
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Mesoscale Discussion 0303 NWS Storm Prediction Center Norman OK 0624 PM CDT Mon Mar 25 2024 Areas affected...Eastern Louisiana...Southwest and West-central Mississippi Concerning...Tornado Watch 61... Valid 252324Z - 260130Z The severe weather threat for Tornado Watch 61 continues. SUMMARY...The severe threat across the lower Mississippi Valley is expected to gradually increase over the next few hours. Wind damage, tornadoes and isolated large hail will be possible. New weather watch issuance will likely be needed to the east of the current watch. DISCUSSION...High-resolution radar imagery from Jackson, MS and Fort Polk, LA currently show a line of strong thunderstorms located across central and northeastern Louisiana. A weakly unstable, but moist airmass is present ahead of the line across much of the lower Mississippi Valley, where surface dewpoints in the mid to upper 60s F. On a broader scale, water vapor imagery shows a 80 to 100 knot mid-level jet moving through south-central Texas. As this feature ejects northeastward this evening, the mass response should be maintained or may increase across the lower Mississippi Valley. This, combined with strong deep-layer shear will likely create an environment supportive of severe storms. Recent trends suggest that the line has become somewhat more organized over the last hour. The threat for wind damage, tornadoes and isolated large hail will be possible, especially with cells that are more likely surface-based to the east of the ongoing line. ..Broyles.. 03/25/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...JAN...LIX...LCH...SHV... LAT...LON 31759222 31179274 30679278 30299222 30289120 30639041 31248983 31998925 32688918 33068950 33198993 33209053 32989109 32249183 31759222
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