613
ACUS48 KWNS 080833
SWOD48
SPC AC 080831
DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0331 AM CDT FRI MAY 08 2026
VALID 111200Z - 161200Z
..DISCUSSION
..MONDAY/DAY 4 TO WEDNESDAY/DAY 6
MID-LEVEL NORTHWESTERLY FLOW IS FORECAST TO PERSIST ACROSS MUCH OF
THE CENTRAL AND EASTERN U.S. DURING THE PERIOD FROM MONDAY TO
WEDNESDAY. A COLD FRONT IS FORECAST TO MOVE THROUGH THE SOUTHEAST ON
MONDAY AND INTO THE GULF AND FLORIDA ON TUESDAY AND WEDNESDAY.
ISOLATED SEVERE THUNDERSTORM DEVELOPMENT WILL BE POSSIBLE NEAR AND
AHEAD OF THE FRONT EACH DAY, WITH THE GREATEST POTENTIAL FOR SEVERE
MONDAY AFTERNOON AND EVENING IN PARTS OF SOUTHERN ALABAMA, SOUTHERN
GEORGIA, NORTHERN FLORIDA AND THE COASTAL CAROLINAS. ISOLATED SEVERE
WIND GUSTS IS EXPECTED TO BE THE PRIMARY THREAT.
FURTHER TO THE NORTH ON TUESDAY, ANOTHER COLD FRONT IS FORECAST TO
MOVE SOUTHWARD THROUGH THE CENTRAL PLAINS AND MID MISSISSIPPI
VALLEY. ALTHOUGH LOW-LEVEL MOISTURE IS FORECAST TO REMAIN SOMEWHAT
LIMITED, ENOUGH INSTABILITY COULD DEVELOP FOR AN ISOLATED SEVERE
THREAT. THE GREATEST POTENTIAL WOULD BE IN EASTERN MISSOURI AND
SOUTHERN ILLINOIS IN CONJUNCTION WITH A MID-LEVEL JET MOVING
SOUTHEASTWARD THROUGH THE REGION. HAIL AND ISOLATED SEVERE GUSTS
WILL BE POSSIBLE. A MARGINAL SEVERE THREAT COULD AGAIN DEVELOP NEAR
THE ASSOCIATED TROUGH OVER THE CENTRAL APPALACHIANS WEDNESDAY
AFTERNOON.
..THURSDAY/DAY 7 AND FRIDAY/DAY 8
A SHORTWAVE RIDGE IS FORECAST TO MOVE EASTWARD TOWARD THE
MISSISSIPPI VALLEY ON THURSDAY, AS ANOTHER SHORTWAVE RIDGE MOVES
INTO THE HIGH PLAINS ON FRIDAY. IN THE WAKE OF EACH RIDGE, MODEL
FORECASTS DEVELOP A NORTH-TO-SOUTH AXIS OF INSTABILITY IN THE GREAT
PLAINS. ISOLATED SEVERE STORMS WILL BE POSSIBLE WITHIN THIS UNSTABLE
AIRMASS ON BOTH THURSDAY AND FRIDAY. AT THIS TIME, UNCERTAINTY IS
SUBSTANTIAL LATE IN THE DAY 4 TO 8 PERIOD.
..BROYLES.. 05/08/2026
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