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 1532 NWS Storm Prediction Center Norman OK 1214 PM CDT Tue Jul 01 2025 AREAS AFFECTED...parts of Mississippi...Alabama...and far eastern Louisiana CONCERNING...Severe potential...Watch unlikely VALID 011714Z - 011845Z PROBABILITY OF WATCH ISSUANCE...5 percent SUMMARY...Isolated DAMAGING WINDS possible this afternoon/evening. DISCUSSION...Strong morning insolation has allowed temperatures to warm into the upper 80s amid a very moist boundary layer, characterized by dew point temperatures into the mid 70s F. This has resulted in destabilization of the environment, yielding 2500 J/kg of MLCAPE. Visible satellite/radar is now indicating ....... more

MESOSCALE DISCUSSION 1531 NWS Storm Prediction Center Norman OK 1200 PM CDT Tue Jul 01 2025 AREAS AFFECTED...parts of the Southeast CONCERNING...Severe potential...Watch unlikely VALID 011700Z - 011900Z PROBABILITY OF WATCH ISSUANCE...20 percent SUMMARY...Locally strong gusts, from predominately wet microbursts with slow-moving widespread thunderstorms, may produce isolated DAMAGING WINDS through the rest of the afternoon. DISCUSSION...Scattered thunderstorms are underway well to the south of the primary shortwave impulse moving east across the Upper OH Valley. With enhancement from a minor MCV near the middle TN/central KY border, guidance suggests ....... more

MESOSCALE DISCUSSION 1530 NWS Storm Prediction Center Norman OK 1128 AM CDT Tue Jul 01 2025 AREAS AFFECTED...parts of the Northeast and southern New England CONCERNING...Severe potential...Watch possible VALID 011628Z - 011830Z PROBABILITY OF WATCH ISSUANCE...40 percent SUMMARY...An isolated damaging wind threat from strong gusts is anticipated this afternoon across parts of the Northeast into southern New England. Severe Thunderstorm Watch issuance is possible if a more concentrated corridor of DAMAGING WINDS becomes apparent. DISCUSSION...To the north of the favored region for scattered DAMAGING WINDS across southern PA/NJ this afternoon, a more ....... more