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 1468 NWS Storm Prediction Center Norman OK 1234 PM CDT Fri Jun 27 2025 AREAS AFFECTED...Parts of the FL Peninsula CONCERNING...Severe potential...Watch unlikely VALID 271734Z - 271930Z PROBABILITY OF WATCH ISSUANCE...20 percent SUMMARY...Strong to isolated severe storms are possible this afternoon. DISCUSSION...Storms are increasing in coverage early this afternoon along the east coast of the FL Peninsula. Deep-layer flow is generally weak, but some veering of low-level winds and effective shear in the 20-25 kt range near the sea breeze could support occasional modest storm organization, given favorable buoyancy (MLCAPE of greater than ....... more

MESOSCALE DISCUSSION 1467 NWS Storm Prediction Center Norman OK 1210 PM CDT Fri Jun 27 2025 AREAS AFFECTED...Northern IN into parts of Lower MI and far northwest OH CONCERNING...Severe potential...Watch possible VALID 271710Z - 271915Z PROBABILITY OF WATCH ISSUANCE...60 percent SUMMARY...Storms capable of wind damage may develop this afternoon. Watch issuance is possible. DISCUSSION...Strong heating is underway along/east of a cold front from northern IN into southern/eastern Lower MI. Despite weak midlevel lapse rates, continued heating of a richly moist environment will result in MLCAPE increasing to near/above 1500-2000 J/kg with time this afternoon. ....... more

MESOSCALE DISCUSSION 1466 NWS Storm Prediction Center Norman OK 1147 AM CDT Fri Jun 27 2025 AREAS AFFECTED...Northeast OH...northwest PA...western NY...northern WV Panhandle CONCERNING...Severe potential...Watch unlikely VALID 271647Z - 271845Z PROBABILITY OF WATCH ISSUANCE...20 percent SUMMARY...Locally DAMAGING WINDS are possible this afternoon. DISCUSSION...A small storm cluster has recently intensified near/north of Cleveland. With some heating/destabilization ongoing downstream of this cluster, maintenance or some intensification of these storms cannot be ruled out this afternoon, with additional development possible farther south with time across ....... more