Subj : DAY2SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Jan 14 2023 16:36:11

ACUS02 KWNS 141636
SWODY2
SPC AC 141634

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1034 AM CST Sat Jan 14 2023

Valid 151200Z - 161200Z

....NO SEVERE THUNDERSTORM AREAS FORECAST...

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

....Synopsis...

A mid/upper trough over the western U.S. Sunday morning will shift
east into the Plains by early Monday morning. This will lead to
deepening lee cyclogenesis over the central High Plains, with the
low tracking northeast toward the MO Valley overnight. Resulting
southerly return flow will transport modest Gulf moisture northward,
but 60s F dewpoints will mainly be confined to the TX coast
vicinity. Nevertheless, modest boundary-layer moisture beneath
cooling temperatures aloft, and increasing ascent with the ejecting
mid/upper trough could foster a few lightning flashes near the
surface low across northwest MO/southwest IA and vicinity during the
overnight hours into early Monday morning. Warm temperatures just
above 850 mb will maintain a capping inversion during the period,
and despite moderate to strong deep-layer southwesterly flow, severe
thunderstorm potential will remain very low.

Isolated thunderstorms also will be possible Sunday
morning/afternoon across parts of the Four Corners as the mid/upper
trough ejects eastward. Another midlevel shortwave impulse and
surface low will impinge on the CA coast by early Monday morning,
and a few lightning flashes are possible as a front approaches the
coast toward the end of the forecast period.

...Leitman.. 01/14/2023

$$

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