Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0129 PM CST Mon Feb 17 2025
Valid 172000Z - 181200Z
...NO THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Thunderstorms are not forecast through tonight across the contiguous
United States.
...20z Update...
The previous forecast remains on track with no changes required.
Recent observations and latest guidance continue to suggest very
limited thunderstorm potential. See the previous discussion below
for additional details.
..Moore.. 02/17/2025
.PREV DISCUSSION... /ISSUED 1012 AM CST Mon Feb 17 2025/
...Synopsis...
A cold, continental-polar airmass is in place across the much of the
Lower 48 today due to a 1045-mb surface high centered over the
ND/Canada border region. Dry/cool offshore flow this morning has
led to tranquil conditions across much of the Eastern Seaboard and
Gulf coastlines. As a cold front pushes south across the central
into the southern Great Plains, low-level flow will veer across the
northwest Gulf Coast with onshore flow beginning mainly tonight.
Thunderstorm potential in this region will be negated by the onset
and limited duration of moisture return into the TX Gulf Coast.
Cool/dry conditions will be pervasive across much of the CONUS.
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