984
ACUS03 KWNS 081850
SWODY3
SPC AC 081849
DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0149 PM CDT TUE SEP 08 2026
VALID 101200Z - 111200Z
..NO SEVERE THUNDERSTORM AREAS FORECAST
..SUMMARY
SEVERE THUNDERSTORM POTENTIAL APPEARS LOW ON THURSDAY.
..DISCUSSION
AS A MID-LEVEL TROUGH MOVES INTO THE WESTERN ATLANTIC ON THURSDAY,
SURFACE HIGH PRESSURE WILL BUILD INTO THE MIDWEST/GREAT LAKES IN ITS
WAKE. SOUTH OF THIS HIGH PRESSURE CENTER A FRONT WILL EXTEND FROM
VIRGINIA TO THE CENTRAL PLAINS. AN EXPANSIVE AREA OF PRECIPITATION
IS EXPECTED ALONG THIS FRONT AT THE BEGINNING OF THE PERIOD WHICH
SHOULD RESULT IN LESSER INSTABILITY, PARTICULARLY EAST OF THE
APPALACHIANS. FARTHER WEST, MODERATE INSTABILITY IS EXPECTED NEAR
THE FRONT FROM THE LOWER OHIO VALLEY TO THE SOUTHERN HIGH PLAINS.
MID-LEVEL FLOW (AND THUS DEEP-LAYER SHEAR) WILL BE WEAK ACROSS MUCH
OF THIS ZONE. THEREFORE, GREATER INSTABILITY AND STORM CLUSTERING
WILL LIKELY BE NECESSARY FOR A MARGINAL SEVERE WEATHER THREAT. THIS
MAY OCCUR ACROSS PORTIONS OF THE OZARKS OR THE SOUTHERN HIGH PLAINS,
BUT THE SIGNAL IS WEAK AT THIS TIME. THEREFORE, NO SEVERE WEATHER
PROBABILITIES ARE WARRANTED.
A MID-LEVEL TROUGH WILL TRANSLATE QUICKLY EASTWARD ACROSS THE
NORTHWEST ON THURSDAY WITH ASCENT OVERSPREADING NORTH-CENTRAL
MONTANA BY THURSDAY NIGHT. A FEW FAST-MOVING STORMS ARE EXPECTED
ACROSS NORTH-CENTRAL MONTANA LATE THURSDAY NIGHT AND EARLY FRIDAY
MORNING AMID WEAK INSTABILITY. DESPITE THE DYNAMIC SYSTEM, WEAK
INSTABILITY AND UNFAVORABLE DIURNAL TIMING PRECLUDE SEVERE WEATHER
PROBABILITIES AT THIS TIME.
..BENTLEY.. 09/08/2026
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