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Topic: SPC Nov 19, 2024 1630 UTC Day 1 Convective Outlook (Read 11 times) previous topic - next topic

SPC Nov 19, 2024 1630 UTC Day 1 Convective Outlook

SPC Nov 19, 2024 1630 UTC Day 1 Convective Outlook

[html]SPC 1630Z Day 1 Outlook
     
Day 1 Outlook Image

Day 1 Convective Outlook 
NWS Storm Prediction Center Norman OK
1021 AM CST Tue Nov 19 2024

Valid 191630Z - 201200Z

...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
THE GULF COAST...

...SUMMARY...
Thunderstorms producing isolated strong wind gusts and perhaps a
tornado are possible across the middle Gulf Coast vicinity today.

...Middle Gulf Coast including southern AL/FL Panhandle...
Severe-weather potential is expected to remain relatively limited
today and largely relegated to near-coastal areas of southern
Alabama and the Florida Panhandle. A longwave trough will remain
centered across a broad part of the Midwest and Great Lakes, well to
the north of a weak surface wave and a nearby narrow inland warm
sector along the middle Gulf Coast. This warm/moist sector will
largely focus offshore due to a lack of more appreciable
cyclogenesis and persistent showers/thunderstorms inland.

The southern extent of a persistent but weakening (25-40 kt)
south-southwesterly low-level jet will migrate slowly eastward today
across the Gulf Coast vicinity. A brief waterspout and/or tornado
could occur with low-topped rotating cells along or very near the
coast given adequate 0-1 km SRH and greater low-level moisture
present (generally 70s F surface dewpoints). Otherwise, isolated
damaging wind gusts may occur with convection moving eastward along
or just ahead of the front. Meager instability should keep the
severe potential rather isolated and marginal overall.

..Guyer/Flournoy.. 11/19/2024


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Source: SPC Nov 19, 2024 1630 UTC Day 1 Convective Outlook (http://ht**://www.spc.noaa.gov/products/outlook/day1otlk_1630.html)