Hazardous weather outlook, 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…
RAIN IS EXPECTED TONIGHT…AND EMBEDDED THUNDERSTORMS ARE POSSIBLE.
SEVERE WEATHER IS NOT EXPECTED.

DISCUSSION…
AN UPPER LEVEL TROUGH APPROACHING FROM THE WEST…WILL DRAW
INCREASING GULF MOISTURE UP OVER A DOME OF COOL AND DRY AIR IN PLACE
OVER NORTH TEXAS AND OKLAHOMA. THE RESULT WILL BE WIDESPREAD LIGHT
RAIN DEVELOPING THIS EVENING. RAINFALL COVERAGE AND INTENSITY WILL
INCREASE LATE TONIGHT AS THE UPPER TROUGH ARRIVES. A FEW
THUNDERSTORMS MAY FORM…EMBEDDED WITHIN THE LARGER AREA OF RAIN.
INSTABILITY WILL BE MINIMAL…AND THE MAIN HAZARD WILL BE ISOLATED
CLOUD TO GROUND LIGHTNING.

PROBABILITY TABLE…
VALID THROUGH 700 AM CST FRIDAY DEC 24.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA…30 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR…ZERO PERCENT.

OTHER HAZARDOUS WEATHER…
AS PRECIPITATION BEGINS THIS EVENING…RAIN MAY COOL THE AIR TO NEAR
FREEZING IN FAR NORTHWEST OKLAHOMA. THERE IS A CHANCE THAT LIGHT
FREEZING RAIN COULD OCCUR NORTH OF A LINE FROM CHEYENNE TO MUTUAL TO
ALVA. ANY GLAZE FORMATION IS EXPECTED TO BE MINIMAL…BUT PEOPLE
TRAVELING IN NORTHWEST OKLAHOMA ARE ENCOURAGED TO CHECK THE LATEST
WEATHER AND ROAD CONDITIONS BEFORE HEADING OUT.

LATER IN THE NIGHT…WITH THE ARRIVAL OF THE UPPER TROUGH…COLDER
AIR WILL FILTER INTO NORTHERN AND WESTERN OKLAHOMA. RAIN MAY MIX
WITH OR CHANGE TO SNOW. SIGNIFICANT ACCUMULATIONS OF SNOW ARE NOT
LIKELY…BUT WE COULD SEE A QUICK ACCUMULATION OF AROUND AN
INCH…PRIMARILY WEST OF CHEYENNE…WOODWARD…AND ALVA.

.DAYS TWO THROUGH SEVEN…FRIDAY THROUGH WEDNESDAY…

THUNDERSTORM OUTLOOK…
EARLY FRIDAY…THE MAIN BAND OF RAINFALL WILL MOVE EASTWARD THROUGH
SOUTHERN OKLAHOMA AND THE WICHITA FALLS AREA. A FEW WEAK
THUNDERSTORMS WILL REMAIN EMBEDDED IN THE RAIN…WITH POTENTIAL TO
PRODUCE CLOUD TO GROUND LIGHTNING.

OTHER HAZARDOUS WEATHER…
THERE IS A LOW CHANCE OF SNOW ACCUMULATION FRIDAY MORNING IN FAR
NORTHERN AND WESTERN OKLAHOMA. ANY ACCUMULATION WILL BE MINIMAL.

Thank you for joining our conversation on Oklahoma Weather Blog. We encourage your discussion but ask that you stay within the bounds of our commenting and posting policy.