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 2332 NWS Storm Prediction Center Norman OK 0542 PM CDT Mon Sep 28 2026 AREAS AFFECTED...east-central Colorado into northwest Kansas CONCERNING...Severe potential...Watch unlikely VALID 282242Z - 290115Z PROBABILITY OF WATCH ISSUANCE...5 percent SUMMARY...A cell or two may produce hail over 1.00", or perhaps a brief/weak tornado. DISCUSSION...Storms are forming over east-central CO, near a surface trough. This trough continues to deepen per surface observations, with convergence maximized in that area. These cells are also within the instability/theta-e axis, with southerly winds bringing warmer air northward. Objective analysis indicates ....... more

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MESOSCALE DISCUSSION 2331 NWS Storm Prediction Center Norman OK 0449 PM CDT Mon Sep 28 2026 AREAS AFFECTED...Far southeastern North Dakota into far northwest/west-central Minnesota CONCERNING...Severe potential...Watch unlikely VALID 282149Z - 282245Z PROBABILITY OF WATCH ISSUANCE...5 percent SUMMARY...A very localized and low-confidence risk of damaging wind gusts and a tornado is possible across parts of far southeastern North Dakota into far northwestern/west-central Minnesota during the next hour or so. DISCUSSION...A small thunderstorm cluster has evolved along an east/west-oriented warm front west of Fargo, ND. This storm has shown transient signs of ....... more