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 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

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MESOSCALE DISCUSSION 1121 NWS Storm Prediction Center Norman OK 1240 PM CDT Sat Jun 13 2026 AREAS AFFECTED...portions of the mid-Mississippi and lower Ohio Valleys CONCERNING...Severe potential...Watch possible VALID 131740Z - 131915Z PROBABILITY OF WATCH ISSUANCE...40 percent SUMMARY...An ongoing convective cluster in southern Missouri has exhibited some intensification over the past hour, with isolated DAMAGING WIND GUSTS and large hail possible. DISCUSSION...Latest GOES imagery and lightning data indicate that an ongoing convective cluster in southern Missouri downstream of an MCV over southeast Kansas has intensified some, with an uptick in lightning and ....... more