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 1497 NWS Storm Prediction Center Norman OK 0636 PM CDT Sat Jun 28 2025 AREAS AFFECTED...Western Kansas and southeast Colorado CONCERNING...Severe potential...Watch unlikely VALID 282336Z - 290100Z PROBABILITY OF WATCH ISSUANCE...20 percent SUMMARY...High-based storms will be capable of producing a few downbursts with strong-severe outflow gusts, but a watch is unlikely. DISCUSSION...High-based convection continues to form in a deeply mixed environment with hot surface temperatures from southeast CO into western KS, with new development likely with outflow mergers. Inverted-V profiles will favor strong downbursts with isolated severe ....... more

MESOSCALE DISCUSSION 1496 NWS Storm Prediction Center Norman OK 0618 PM CDT Sat Jun 28 2025 AREAS AFFECTED...Western Nebraska CONCERNING...Severe potential...Watch possible VALID 282318Z - 290045Z PROBABILITY OF WATCH ISSUANCE...40 percent SUMMARY...Multicell clusters with isolated severe outflow gusts will be possible, but the need for a watch is uncertain. DISCUSSION...High-based storms have developed along a surface trough from northeast CO into the NE Panhandle. These storms are primarily driven by surface heating/mixing, with new development expected along convective outflows that spread eastward into the larger buoyancy. The storms/clusters will be ....... more