SPC 1630Z Day 1 Outlook

Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
1031 AM CST Tue Jan 19 2021

Valid 191630Z - 201200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Severe thunderstorms are not expected through tonight.

...Eastern/central Texas...
Showers persist at midday along the cool side of a surface front,
with a low but non-zero potential for lightning within a marginally
supportive environment. Additional development should occur
southwestward over time into other parts of south-central Texas,
although thermodynamic profiles appear rather marginal for charge
separation and thunder probabilities should remain minimal. 

...Far southern California/southwest Arizona...
A closed upper low will continue to transition south-southwestward
toward off the Baja coast through tonight. Related steep mid-level
lapse rates and forcing for ascent may support isolated
thunderstorms, although most of this activity should tend to be
focused offshore and/or across northwest Mexico.

..Guyer.. 01/19/2021

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