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 1107 NWS Storm Prediction Center Norman OK 1257 PM CDT Fri Jun 12 2026 AREAS AFFECTED...much of Virginia...parts of West Virginia...Maryland...northern North Carolina CONCERNING...Severe potential...Watch likely VALID 121757Z - 121900Z PROBABILITY OF WATCH ISSUANCE...80 percent SUMMARY...Scattered storms capable of DAMAGING WIND GUSTS are expected to develop through the afternoon. DISCUSSION...A surface trough is gradually deepening across MD/VA/NC with strong heating resulting in very steep low-level lapse rates. Modest northwest flow aloft exists into the area, which may aid in steering storms in a southeastward direction. Visible ....... more

MESOSCALE DISCUSSION 1106 NWS Storm Prediction Center Norman OK 1248 PM CDT Fri Jun 12 2026 AREAS AFFECTED...portions of the Mid-Atlantic and Northeast CONCERNING...Severe potential...Watch possible VALID 121748Z - 121945Z PROBABILITY OF WATCH ISSUANCE...40 percent SUMMARY...Widely scattered thunderstorms and a risk of occasional DAMAGING WIND GUSTS are expected across portions of the Mid-Atlantic and Northeast this afternoon/evening. DISCUSSION...Latest regional radar imagery depicts ongoing thunderstorm development across portions of the Mid-Atlantic and Northeast along a surface cold front and prefrontal trough. This activity is occurring as weak mid-level ....... more