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Archives for the SPC Convective Outlook are updated daily (approximately) with a live map at the beginning of each article. Follow the link at the end of the article to check for current updates on the NOAA/NWS Storm Prediction Center website. Also, see Archives for Chicago's hourly weather data on CARDINAL NEWS Magazine.

ARLINGTON HEIGHTS WEATHER

Tuesday, March 19, 2024

SPC Mar 19, 2024 1300 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 1300Z Day 1 Outlook


Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0727 AM CDT Tue Mar 19 2024

Valid 191300Z - 201200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

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

...Synopsis...
Gradual height falls over the Pacific Northwest will result in a
slow breakdown of the blocking pattern in the western states, and
slow eastward progression of the closed midlevel low from AZ to NM.
Lingering low-midlevel moisture and cool midlevel temperatures will
again support scattered diurnal convection from the southern Sierra
Nevada into the Peninsular/Transverse Ranges of southern CA, as well
as over the Mogollon Rim from AZ into western NM. Otherwise, a
relatively cool/dry post-frontal air mass will preclude
thunderstorms across the central/eastern CONUS.

..Thompson/Grams.. 03/19/2024


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