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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