SPC Mesoscale Discussion 0390
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Mesoscale Discussion 0390 NWS Storm Prediction Center Norman OK 1037 AM CDT Fri Mar 31 2023
Areas affected...portions of southeastern Iowa...northwestern Illinois...and far northeastern Missouri
Concerning...Outlook upgrade
Valid 311537Z - 311630Z
SUMMARY...Portions of the Moderate Risk over southeastern IA, northwestern IL, and far northeastern MO will be upgraded to a categorical High Risk in the 1630 UTC Convective outlook.
DISCUSSION...An upgrade to a tornado-driven High Risk (30% probability) is expected for the 1630 UTC outlook
. Environmental conditions are quickly becoming favorable to support the potential for numerous strong to potentially violent and long-track tornadoes across portions of southeastern IA, northwestern IL, and far northeastern MO.
Please see the forthcoming Day 1 outlook update for more information.
..Lyons/Smith.. 03/31/2023
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...ILX...LSX...DVN...DMX...
LAT...LON 39879141 40699241 41549220 41989172 42009085 41118967 40618964 39969001 39789064 39879141
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