SPC MD 1360
SPC MD 1360
[html]MD 1360 CONCERNING SEVERE THUNDERSTORM WATCH 430... FOR EAST-CENTRAL ILLINOIS INTO WEST-CENTRAL ILLINOIS
Mesoscale Discussion 1360
NWS Storm Prediction Center Norman OK
0350 PM CDT Mon Jul 04 2022
Areas affected...East-central Illinois into west-central Illinois
Concerning...Severe Thunderstorm Watch 430...
Valid 042050Z - 042245Z
The severe weather threat for Severe Thunderstorm Watch 430
continues.
SUMMARY...A threat for damaging winds and isolated large hail may
persist into west-central Indiana.
DISCUSSION...An ongoing cluster of storms, with a more dominant
supercell storm continues to move more southeastward this afternoon.
These storms will likely continue to move along the instability
gradient as dewpoints slowly increase in far western Indiana.
Effective shear of 40-50 kts and 1000-1500 J/kg will support a
threat for mainly damaging winds and possibly isolated large hail
with any supercell structures. The eastward extent of the threat
will be the main uncertainty as dewpoints do decrease into central
Indiana.
..Wendt/Grams.. 07/04/2022
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...IWX...IND...LOT...ILX...
LAT...LON 40988904 41358865 41108703 40788659 40298646 40098679
40138773 40508866 40818907 40988904
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Source: SPC MD 1360 (http://ht**://www.spc.noaa.gov/products/md/md1360.html)