Hazardous weather outlook on this Memorial Day, National Weather Service, Norman

THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN…WESTERN…
CENTRAL…AND SOUTHERN OKLAHOMA…AND WESTERN NORTH TEXAS.

.DAY ONE…THIS AFTERNOON AND TONIGHT…

THUNDERSTORM OUTLOOK…
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TONIGHT ACROSS
PORTIONS OF NORTHWEST AND NORTH CENTRAL OKLAHOMA.

LOCATION…
THE SLIGHT RISK AREA IS MAINLY NORTH OF INTERSTATE 40.

TIMING…
THE MOST LIKELY TIME FOR SEVERE THUNDERSTORMS WILL BE DURING THE
OVERNIGHT HOURS. 

IMPACTS…
HAIL TO THE SIZE OF GOLF BALLS MAY DAMAGE AUTOMOBILES AND TENDER
VEGETATION. WINDS OVER 60 MPH ARE ALSO POSSIBLE.

RECOMMENDED ACTIONS…
STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS THE
RISK AREA SHOULD PLAN FOR SEVERE WEATHER OPERATIONS TONIGHT.

DISCUSSION…
SCATTERED THUNDERSTORMS WILL BE POSSIBLE ACROSS PARTS OF SOUTHERN
OKLAHOMA AND WESTERN NORTH TEXAS THROUGH THIS AFTERNOON AND EARLY
EVENING. A FEW OF THESE STORMS COULD PRODUCE SMALL HAIL AND STRONG
WINDS TO NEAR 50 MPH.

ELSEWHERE… AN OUTFLOW BOUNDARY GENERATED BY THE THUNDERSTORM
ACTIVITY LAST NIGHT AND THIS MORNING HAS MOVED INTO NORTHERN TEXAS.
THIS BOUNDARY IS FORECAST TO MOVE BACK NORTH ACROSS WESTERN TEXAS
THIS AFTERNOON. MEANWHILE… INSTABILITIES WILL INCREASE ONCE AGAIN
ACROSS THE SOUTHERN PLAINS DURING THE AFTERNOON AND EVENING HOURS.
BY LATE THIS AFTERNOON…  SCATTERED THUNDERSTORMS ARE EXPECTED TO
DEVELOP NEAR AND NORTH OF THE BOUNDARY OVER THE HIGH PLAINS OF
NORTHEAST NEW MEXICO AND SOUTHEAST COLORADO. THE STORMS MAY THEN
ORGANIZE INTO ONE OR MORE LARGER COMPLEXES WHILE SPREADING EAST INTO
PARTS OF NORTHERN OKLAHOMA TONIGHT. LARGE HAIL AND STRONG WINDS WILL
BE THE PRIMARY SEVERE WEATHER THREATS WHILE HEAVY RAINFALL WILL ALSO
BE A POSSIBILITY. 

PROBABILITY TABLE…
VALID THROUGH 700 AM CDT TUESDAY JUN 1.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA…60 PERCENT 
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR… 30 PERCENT.

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