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 1124 NWS Storm Prediction Center Norman OK 0207 PM CDT Sat Jun 13 2026 AREAS AFFECTED...portions of the Southeast CONCERNING...Severe potential...Watch unlikely VALID 131907Z - 132130Z PROBABILITY OF WATCH ISSUANCE...5 percent SUMMARY...Widely scattered thunderstorms will bring a localized risk for damaging downburst winds. Watch issuance is not anticipated. DISCUSSION...Latest surface observations depict a hot, humid air mass in place across the southeastern U.S., with temperatures in the mid-to-upper 90s F and dewpoints in the upper 60s noted along the Atlantic Coast. Surface convergence along the sea breeze and a of a roughly west-east ....... more

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MESOSCALE DISCUSSION 1123 NWS Storm Prediction Center Norman OK 0150 PM CDT Sat Jun 13 2026 AREAS AFFECTED...portions of northern/central Arkansas CONCERNING...Severe potential...Watch possible VALID 131850Z - 132015Z PROBABILITY OF WATCH ISSUANCE...40 percent SUMMARY...Additional thunderstorm development is expected this afternoon across southern Missouri and northern Arkansas along a remnant outflow boundary, with a risk for DAMAGING WIND GUSTS and large hail. DISCUSSION...Latest surface analysis and visible satellite data depicts a remnant outflow boundary that has recently stalled across far southwest Missouri and northern Arkansas. Ahead/south of ....... more

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MESOSCALE DISCUSSION 1122 NWS Storm Prediction Center Norman OK 0149 PM CDT Sat Jun 13 2026 AREAS AFFECTED...far southeastern Nebraska...northeastern Kansas...northwestern Missouri CONCERNING...Severe potential...Tornado Watch likely VALID 131849Z - 132045Z PROBABILITY OF WATCH ISSUANCE...80 percent SUMMARY...Supercell potential to increase through the afternoon. Large hail, damaging wind, and TORNADOES will be possible. DISCUSSION...Cumulus is deepening along a residual outflow boundary extending southwest to northeast across northeastern Kansas. The 18z RAOB from TOP (Topeka, KS) indicates inhibition has eroded. SPC mesoanalysis data has indicated that ....... more