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Mesoscale Discussion 0600
NWS Storm Prediction Center Norman OK
0602 PM CDT Sat Apr 30 2022

Areas affected...Parts of central and northern Illinois and western
Indiana

Concerning...Tornado Watch 163...

Valid 302302Z - 010100Z

The severe weather threat for Tornado Watch 163 continues.

SUMMARY...A broken line of convection in central Illinois will
continue to the east. A narrow area into eastern Illinois will
remain favorable to for damaging winds, isolated large hail, and
perhaps a tornado. Trends will be monitored, but the need to for a
watch into Indiana appears low at this time.

DISCUSSION...In the wake of earlier convection, some clearing ahead
of the cold front allowed a slow increase in thunderstorm cover in
central Illinois. Storms have generally posed a damaging wind threat
as a couple of measured severe gusts have been reported recently.
Winds initially veered behind the earlier storms but have since
slightly backed to southerly in central Illinois. Though surface
heating is waning, there may be a brief window for modest storm
intensification before MLCIN begins to increase. The severe threat
will likely be maximized over the next couple of hours in parts of
central and eastern Illinois. Farther to the east, rain and cloud
cover have limited destabilization into Indiana. While a line
segment or two may develop from the Illinois activity, it is unclear
how intense it would be as it moves into more stable air to the
east. Trends in storm intensity will continued to be monitored, but
the need for an additional watch into Indiana remains low at this
time.

..Wendt.. 04/30/2022

...Please see www.spc.noaa.gov for graphic product...

ATTN...WFO...IWX...IND...LOT...ILX...DVN...

LAT...LON   39408762 39458913 39738968 40308963 41298933 41888950
            42438892 42428778 41628724 40598697 39808721 39408762