Subj : DAY3SVR: Nws Storm Prediction Center Norman Ok
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Sep 16 2023 07:21:38

ACUS03 KWNS 160721
SWODY3
SPC AC 160720

Day 3 Convective Outlook
NWS Storm Prediction Center Norman OK
0220 AM CDT Sat Sep 16 2023

Valid 181200Z - 191200Z

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

....SUMMARY...
Organized severe thunderstorms are not currently forecast across the
contiguous United States on Monday.

....Synopsis...
A mid-level trough over the East will shift east into New England as
a disturbance moves through its base from the Carolinas to near Cape
Cod during the period.  Low-amplitude mid-level flow will mostly
characterize the prevailing pattern over the Lower 48 states.  A
mid-level shortwave trough initially near Vancouver Island will
weaken as it moves east into the eastern half of MT.  In the low
levels, a surface low will develop north-northeast from the coastal
waters east of NC/VA and along the New England coast.  A trailing
cold front arcing south from the low will push through portions of
the FL Peninsula.  Weak lee troughing east of the Rockies will favor
the initial stage of moisture return northward into the central High
Plains.  Isolated to scattered thunderstorms will be possible across
the central-southern Rockies eastward into parts of the central
Great Plains.

...Smith.. 09/16/2023

$$

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