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 1498 NWS Storm Prediction Center Norman OK 0413 PM CDT Sat Jul 04 2026 AREAS AFFECTED...portions of northeastern Colorado into western and central Nebraska CONCERNING...Severe potential...Watch possible VALID 042113Z - 042215Z PROBABILITY OF WATCH ISSUANCE...60 percent SUMMARY...Multiple instances of severe wind and hail will accompany the stronger and longer lasting storms, especially during their mature stage. A WW issuance may be needed pending greater storm coverage. DISCUSSION...Multiple multicells and transient supercells have developed over the past couple of hours, with an instance of 2+ inch diameter hail recently reported in ....... more

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MESOSCALE DISCUSSION 1496 NWS Storm Prediction Center Norman OK 0349 PM CDT Sat Jul 04 2026 AREAS AFFECTED...Parts of southern Kansas and northern Oklahoma CONCERNING...Severe potential...Watch likely VALID 042049Z - 042315Z PROBABILITY OF WATCH ISSUANCE...95 percent SUMMARY...Severe thunderstorm development is expected between 22-00Z. The primary concerns will be SEVERE WIND GUSTS and large hail. DISCUSSION...The latest visible satellite imagery depicts an increasingly agitated boundary-layer cumulus field evolving at the nose of a robust heat axis extending into northwest OK. Additional deepening cumulus is evident along a remnant outflow boundary ....... more