550
ACUS48 KWNS 220842
SWOD48
SPC AC 220840
DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0340 AM CDT SUN MAR 22 2026
VALID 251200Z - 301200Z
..DISCUSSION
..WEDNESDAY/DAY 4 TO THURSDAY/DAY 5
AN UPPER-LEVEL RIDGE WILL MOVE INTO THE ROCKIES ON WEDNESDAY, AS
NORTHWESTERLY MID-LEVEL FLOW REMAINS FROM THE GREAT PLAINS TO THE
EASTERN U.S. ON THURSDAY, THE RIDGE WILL BECOME LESS AMPLIFIED AS IT
MOVES INTO THE GREAT PLAINS. AT THE SURFACE, LOW-LEVEL MOISTURE IS
FORECAST TO RETURN NORTHWARD INTO THE LOWER TO MID MISSISSIPPI
VALLEY. WITHIN THIS MOIST AIRMASS, A POCKET OF MODERATE INSTABILITY
IS EXPECTED BY LATE THURSDAY AFTERNOON. THUNDERSTORM DEVELOPMENT
WILL BE POSSIBLE NEAR A FRONT ALONG THE NORTHERN EDGE OF THE
STRONGER INSTABILITY FROM NORTHEAST MISSOURI EAST-NORTHEASTWARD INTO
NORTH-CENTRAL OHIO. STORMS ARE EXPECTED TO MOVE EAST-SOUTHEASTWARD
ACROSS THE OHIO VALLEY ON THURSDAY AFTERNOON AND EVENING. A SEVERE
THREAT WILL BE POSSIBLE, BUT THE MAGNITUDE OF ANY POTENTIAL THREAT
IS STILL UNCERTAIN.
..FRIDAY/DAY 6 AND SUNDAY/DAY 8
FROM FRIDAY INTO SATURDAY, A COLD FRONT IS FORECAST TO MOVE
SOUTHWARD FROM THE MID MISSISSIPPI VALLEY TO THE CENTRAL GULF COAST.
ISOLATED THUNDERSTORMS WILL BE POSSIBLE ALONG PARTS OF THE FRONT
BOTH FRIDAY AND SATURDAY AFTERNOON. WEAK INSTABILITY SHOULD KEEP ANY
SEVERE THREAT MARGINAL.
ON SUNDAY, THE MODELS ARE FORECASTING A DRY AIRMASS OVER MOST OF THE
CONTINENTAL U.S., SUGGESTING THE POTENTIAL FOR STORMS IS LOW.
..BROYLES.. 03/22/2026
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