Southern Indiana Weather Spotter's Reference
Current Mesoscale Discussions for the USA
Checks for Severe Potential, Heavy Rain, Heavy Snow, and Freezing Rain
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MESOSCALE DISCUSSION 0309 NWS Storm Prediction Center Norman OK 0244 PM CDT Tue Mar 31 2026 AREAS AFFECTED...parts of northern and central Illinois...northern Indiana CONCERNING...Severe potential...Watch possible VALID 311944Z - 312215Z PROBABILITY OF WATCH ISSUANCE...40 percent SUMMARY...Isolated to widely scattered strong thunderstorm development, including a couple supercells, appears possible late this afternoon. It remains unclear if a new severe weather watch will be needed, but trends are being monitored for this possibility. DISCUSSION...In the wake of early day convection, substantive pre-cold frontal boundary-layer destabilization appears ongoing ....... more

MESOSCALE DISCUSSION 0308 NWS Storm Prediction Center Norman OK 0226 PM CDT Tue Mar 31 2026 AREAS AFFECTED...parts of the eastern Texas Panhandle and northwest Texas into sothwest Oklahoma CONCERNING...Severe potential...Watch likely VALID 311926Z - 312200Z PROBABILITY OF WATCH ISSUANCE...80 percent SUMMARY...Storms are expected to form after 21Z, with large hail and locally DAMAGING GUSTS possible through early evening. A brief tornado cannot be ruled out. DISCUSSION...Surface analysis shows a cold front moving south across western OK and the TX Panhandle, with a dryline extending south from the surface low west of KCDS. Temperatures have warmed into the ....... more