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 0471 NWS Storm Prediction Center Norman OK 0351 PM CDT Fri Apr 18 2025 AREAS AFFECTED...parts of cntrl and srn Lower Michigan CONCERNING...Severe potential...Watch possible VALID 182051Z - 182245Z PROBABILITY OF WATCH ISSUANCE...40 percent SUMMARY...The potential for thunderstorm initiation along and just south of a warm frontal zone across lower Michigan is being monitored for a possible severe weather watch issuance, as this may be accompanied by increasing risk for SEVERE HAIL and wind by 6-8 PM EDT. DISCUSSION...A weak perturbation, within larger-scale anticyclonic flow on the northwestern periphery of prominent mid-level ....... more

MESOSCALE DISCUSSION 0470 NWS Storm Prediction Center Norman OK 0340 PM CDT Fri Apr 18 2025 AREAS AFFECTED...north-central Texas and south-central and central Oklahoma CONCERNING...Severe potential...Watch likely VALID 182040Z - 182315Z PROBABILITY OF WATCH ISSUANCE...80 percent SUMMARY...Severe threat to increase through the afternoon and evening. All hazards possible including large hail, damaging wind, and TORNADOES. DISCUSSION...Surface analysis indicates a cold front located from northeastern through the Oklahoma City metro into southwestern Oklahoma to northwest Texas as of 20z. A dryline was located from southwestern Oklahoma into southwestern Texas. ....... more