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 1773 NWS Storm Prediction Center Norman OK 0616 PM CDT Mon Jul 27 2026 AREAS AFFECTED...Parts of the Mid-Atlantic CONCERNING...Severe potential...Watch unlikely VALID 272316Z - 280115Z PROBABILITY OF WATCH ISSUANCE...5 percent SUMMARY...A threat for locally damaging wind may continue through dusk. DISCUSSION...Widely scattered strong storms are ongoing early this evening from parts of MD northward to near/north of NYC. Despite relatively moderate surface temperatures, seasonably cool conditions aloft associated with a mid/upper trough over the region are supporting moderate buoyancy, with MLCAPE of 1000-1500 J/kg across the region. ....... more

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MESOSCALE DISCUSSION 1772 NWS Storm Prediction Center Norman OK 0524 PM CDT Mon Jul 27 2026 AREAS AFFECTED...Parts of southeast AZ CONCERNING...Severe potential...Watch unlikely VALID 272224Z - 280100Z PROBABILITY OF WATCH ISSUANCE...20 percent SUMMARY...Strong to locally severe storms will be possible through the afternoon into the early evening. DISCUSSION...Scattered thunderstorms have developed this afternoon over the Mogollon Rim, and also across far southeast AZ. In the short term, steep low-level lapse rates and moderate buoyancy will support potential for localized downburst winds, and small to near-SEVERE HAIL. Modest midlevel easterlies atop ....... more