SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1119 AM CST Sun Feb 07 2021 Valid 081200Z - 091200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe storms are not expected on Monday. ...Discussion... Broad, cyclonic flow aloft is forecast to prevail across the entire U.S. Monday, around the primary polar vortex forecast to remain in place over central Canada. At the surface, cold high pressure will reside over roughly the northern half of the country. Meanwhile, weak low-level warm advection is expected to evolve over the south-central and southeastern U.S., as a weak short-wave perturbation within the cyclonic flow field aloft crosses the southern Plains and shifts into the Southeast late. In response to weak low-level warm advection, and associated weakening/retreat of the remnant front over Florida, showers and a few thunderstorms will persist across the Peninsula and adjacent offshore waters through the day, spreading northward with time. Showers and a few/elevated thunderstorms may also develop overnight over the central Gulf Coast vicinity, in response to the subtle increase in QG forcing associated with the aforementioned upper short-wave trough. In all areas, severe storms are not expected. ..Goss.. 02/07/2021
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