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Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
1054 AM CDT Thu Sep 01 2022

Valid 011630Z - 021200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Organized severe thunderstorms are not forecast across the
contiguous United States through tonight.

...Synopsis...
Tropical moisture, with boundary-layer dewpoints in the low-mid 70s
and PW values greater than 2 inches, will persist across the
Southeast.  Primarily diurnal convection will be focused across
south GA/north FL by a weak midlevel low and local sea
breeze/differential heating zones.  Farther west into the southern
Plains, similar moisture exists with embedded/weak midlevel troughs
over southwest OK and northern Mexico.  The southwest OK wave will
move slowly east-northeastward through tonight, in response to an
upstream trough digging south-southeastward over KS.  Embedded
thunderstorms are expected across central OK with the ejecting wave,
but lightning may be more prevalent around the
northern-eastern-southern periphery of the midlevel trough, with
diurnal convection in the zones of differential heating on the edge
of the thicker clouds.  

Otherwise, a larger-scale midlevel trough will move
east-southeastward over AB/SK/MB, as a smaller-scale lead wave
ejects generally eastward over MT today.  Low-level moisture will be
limited across the northern Plains, with only a small chance for
thunderstorms with the ejecting shortwave trough and a cold front
this evening into tonight.

..Thompson/Guyer.. 09/01/2022