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 1440 NWS Storm Prediction Center Norman OK 0126 PM CDT Thu Jul 02 2026 AREAS AFFECTED...central/eastern South Dakota into far western Minnesota. CONCERNING...Severe potential...Watch possible VALID 021826Z - 022000Z PROBABILITY OF WATCH ISSUANCE...60 percent SUMMARY...Increasing supercell threat over the next 1 to 2 hours. DISCUSSION...A region of ascent associated with a mid-level shortwave trough pivoting out of Nebraska and into southern South Dakota has now interacted with the outflow boundary from morning convection across south-central South Dakota. 2500 to 3000 J/kg MLCAPE in this region will support robust updraft ....... more

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MESOSCALE DISCUSSION 1438 NWS Storm Prediction Center Norman OK 1216 PM CDT Thu Jul 02 2026 AREAS AFFECTED...Middle Tennessee into northern Alabama CONCERNING...Severe potential...Watch possible VALID 021716Z - 021945Z PROBABILITY OF WATCH ISSUANCE...40 percent SUMMARY...A severe thunderstorm watch is being considered for Middle Tennessee into portions of northern Alabama this afternoon in anticipation of thunderstorms capable of DAMAGING WIND GUSTS. DISCUSSION...Based on the 12Z OHX sounding and current surface observations, surface heating is beginning to reach and exceed convective temperatures across much of the Southeast. Visible satellite trends show a ....... more