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 2055 NWS Storm Prediction Center Norman OK 0333 PM CDT Thu Aug 20 2026 AREAS AFFECTED...Southeast Arkansas into northern Mississippi and northern Alabama CONCERNING...Severe potential...Watch possible VALID 202033Z - 202230Z PROBABILITY OF WATCH ISSUANCE...40 percent SUMMARY...Scattered storms will be capable of primarily damaging downburst winds and perhaps isolated large hail. A watch is possible depending on convective trends over the next couple of hours. DISCUSSION...Scattered thunderstorms are in the process of developing within parts of the Mid-South into the Southeast. The highest coverage of storms will likely occur ahead of a ....... more

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MESOSCALE DISCUSSION 2053 NWS Storm Prediction Center Norman OK 0249 PM CDT Thu Aug 20 2026 AREAS AFFECTED...Central Nebraska into southeast South Dakota CONCERNING...Severe potential...Watch possible VALID 201949Z - 202145Z PROBABILITY OF WATCH ISSUANCE...40 percent SUMMARY...Isolated to widely scattered storms may produce large hail and severe winds this afternoon. Limited coverage may preclude watch issuance, though trends will be monitored through the afternoon. DISCUSSION...Weak thunderstorms have recently initiated within Cherry County, NE this afternoon along a weak surface trough. Moisture return continues into the central Plains along the ....... more