SPC 1630Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0951 AM CST Thu Dec 17 2020 Valid 171630Z - 181200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated non-severe thunderstorms will be possible today in south Florida and in California. Latest water vapor loop shows multiple shortwave troughs affecting the US today, but relatively dry/stable conditions will limit the risk of thunderstorm activity to small parts of south FL and central CA. In both areas, large-scale forcing is weakening through the day and the risk of deep convection will diminish through the afternoon. No severe storms are expected. ..Hart/Leitman.. 12/17/2020
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