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 0404 NWS Storm Prediction Center Norman OK 0353 PM CDT Mon Apr 13 2026 AREAS AFFECTED...portions of eastern Kansas CONCERNING...Severe potential...Watch unlikely VALID 132053Z - 132300Z PROBABILITY OF WATCH ISSUANCE...20 percent SUMMARY...Isolated thunderstorms may develop along a dryline across portions of eastern Kansas this afternoon/evening. Any storms that do develop will bring a threat for all hazards, with the main threat large to very large hail. DISCUSSION...Latest visible satellite imagery depicts an area of deepening cumulus along a dryline in the vicinity of Wichita, Kansas. Ahead of this dryline, surface temperatures in the ....... more

MESOSCALE DISCUSSION 0402 NWS Storm Prediction Center Norman OK 0311 PM CDT Mon Apr 13 2026 AREAS AFFECTED...portion of the Texas Big Bend into Edward Plateau CONCERNING...Severe potential...Watch unlikely VALID 132011Z - 132215Z PROBABILITY OF WATCH ISSUANCE...20 percent SUMMARY...Isolated thunderstorm development is ongoing across portions of southwest Texas/northern Mexico, with large to very large hail and SEVERE WIND GUSTS the primary threats. DISCUSSION...Latest radar and GLM Flash data depict isolated thunderstorm development across Stockton Plateau in southwest Texas and the Sierra del Carmen in northern Mexico. Surface temperatures in the upper-70s ....... more

MESOSCALE DISCUSSION 0401 NWS Storm Prediction Center Norman OK 0259 PM CDT Mon Apr 13 2026 AREAS AFFECTED...portions of extreme southeastern South Dakota into extreme northern Iowa and southern Minnesota CONCERNING...Severe potential...Tornado Watch likely VALID 131959Z - 132130Z PROBABILITY OF WATCH ISSUANCE...95 percent SUMMARY...The severe threat will increase along and to the north of a warm front over the next few hours. Severe wind/hail and at least A FEW TORNADOES are possible. A couple of STRONG TORNADOes may occur. A Tornado Watch is being issued. DISCUSSION...As widespread stratiform clouds erode in proximity to a warm front, MLCINH will continue ....... more

MESOSCALE DISCUSSION 0399 NWS Storm Prediction Center Norman OK 0238 PM CDT Mon Apr 13 2026 AREAS AFFECTED...portions of northwest Texas into central Oklahoma CONCERNING...Severe potential...Watch possible VALID 131938Z - 132145Z PROBABILITY OF WATCH ISSUANCE...60 percent SUMMARY...Isolated to widely scattered thunderstorm development is possible along a dryline this afternoon. Any sustained storms that are able to develop will bring the potential for all severe hazards, with the primary threat large to very large hail. DISCUSSION...Latest surface observations depict a dryline extending south-southwestward across western Oklahoma and northwest Texas. An area ....... more