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Topic: SPC Nov 23, 2024 1730 UTC Day 2 Convective Outlook (Read 8 times) previous topic - next topic

SPC Nov 23, 2024 1730 UTC Day 2 Convective Outlook

SPC Nov 23, 2024 1730 UTC Day 2 Convective Outlook

[html]SPC 1730Z Day 2 Outlook
     
Day 2 Outlook Image

Day 2 Convective Outlook 
NWS Storm Prediction Center Norman OK
1058 AM CST Sat Nov 23 2024

Valid 241200Z - 251200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Severe thunderstorms are not expected on Sunday.

...Synopsis...
On Sunday, a deep-layer cyclone is forecast to remain offshore of
the Pacific Northwest, with multiple midlevel shortwave troughs
potentially moving inland along the south/east periphery of the
cyclone. Farther east, a strong mid/upper-level jet is expected to
shift eastward over the south-central Plains, resulting in
amplification of a shortwave trough moving across the Canadian
Prairies and northern Great Plains. A surface low initially located
over KS is forecast to move northeastward through the period, as a
trailing cold front advances southward across the Plains.

Low-level moisture return is expected to co*mence across south TX
into the ArkLaTex, though this early-stage moisture appears
insufficient to support deep convection across the region through
the end of the period. Farther west, buoyancy may beco*e sufficient
to support weak convection with sporadic lightning flashes near the
OR/northern CA coast, as multiple waves of precipitation move
onshore in association with the offshore mid/upper-level low/trough.
Weak convection could also acco*pany the midlevel shortwave trough
moving from the northern Rockies into the north-central Plains, but
instability currently appears too weak to support lightning
potential with this activity.

..Dean.. 11/23/2024


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Source: SPC Nov 23, 2024 1730 UTC Day 2 Convective Outlook (http://ht**://www.spc.noaa.gov/products/outlook/day2otlk_1730.html)