Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0148 PM CST Sat Jan 31 2026
Valid 312000Z - 011200Z
...NO THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Thunderstorms are not forecast across the U.S. through tonight.
...20Z Update...
The previous forecast (see below) remains unchanged.
..Squitieri.. 01/31/2026
.PREV DISCUSSION... /ISSUED 1000 AM CST Sat Jan 31 2026/
...Synopsis and Discussion...
An upper trough/low over the lower OH and TN Valleys late this
morning will pivot eastward over GA/the Carolinas into the western
Atlantic through tonight. Further deepening of a surface low over
the Gulf Stream east of the NC Outer Banks is forecast through the
period, but any associated thunderstorms are expected to remain
offshore. A separate upper trough with related cool mid-level
temperatures will approach the coastal Pacific Northwest late
tonight into early Sunday morning. However, NAM/RAP forecast
soundings suggest minimal MUCAPE will be detrimental to
lightning-producing convection.
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