856
ACUS48 KWNS 090819
SWOD48
SPC AC 090817
DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0317 AM CDT SAT AUG 09 2025
VALID 121200Z - 171200Z
..DISCUSSION
A SHORTWAVE TROUGH WILL MOVE FROM THE NORTHERN PLAINS INTO THE
NORTHEAST DURING THE TUESDAY/D4 TO WEDNESDAY/D5 TIME FRAME, WITH AN
INITIAL PUSH OF DRIER AIR SOUTHWARD ACROSS THE MIDWEST/GREAT LAKES.
STRONGER INSTABILITY IS FORECAST TO REDEVELOP BY THURSDAY/D6 AND
BEYOND AS A LOW-AMPLITUDE UPPER TROUGH MOVES ACROSS THE NORTHERN
ROCKIES AND PLAINS AND INCREASING SOUTHERLY LOW-LEVEL WINDS BRING
DEWPOINTS INTO THE MID 70S F NORTHWARD ACROSS THE MID MO/UPPER MS
VALLEYS. THIS MAY YIELD ONE OR MORE SEVERE EVENTS ACROSS PARTS OF
THE NORTHERN PLAINS TO UPPER MS VALLEY, BUT CONFIDENCE IS LOW.
..JEWELL.. 08/09/2025
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