Hazardous weather outlook, National Weather Service, Norman

 

HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD-NOBLE-
ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE-BECKHAM-
WASHITA-CADDO-CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN-CLEVELAND-
POTTAWATOMIE-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-TILLMAN-
COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-JEFFERSON-
CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-HARDEMAN-FOARD-WILBARGER-
WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
830 PM CDT SAT APR 30 2011

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

.DAY ONE…TONIGHT…

THUNDERSTORM OUTLOOK…
NO ORGANIZED SEVERE THUNDERSTORMS EXPECTED.

DISCUSSION…
A COLD FRONT WILL STALL ACROSS NORTH-CENTRAL AND NORTHEAST
TEXAS TONIGHT. AS AN UPPER-LEVEL DISTURBANCE MOVES OVER THE
REGION…MOIST AND UNSTABLE AIR WILL BE PULLED NORTHWARD
OVER THE COOLER AND STABLE AIR NEAR THE GROUND. THIS WILL
LIKELY RESULT IN AN AREA OF RAIN WITH EMBEDDED THUNDERSTORMS
ACROSS SOUTHERN OKLAHOMA AND WESTERN NORTH TEXAS OVERNIGHT.
ALTHOUGH ORGANIZED SEVERE STORMS ARE UNLIKELY…A FEW OF
THE STORMS MAY PRODUCE MARGINALLY SEVERE SIZE HAIL…MAINLY
SOUTH OF ALTUS…ARDMORE…AND COALGATE.

PROBABILITY TABLE…
VALID THROUGH 700 AM CDT SUNDAY MAY 1.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA…60 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR…20 PERCENT.

OTHER HAZARDOUS WEATHER…
NONE.

.DAYS TWO THROUGH SEVEN…SUNDAY THROUGH FRIDAY…

THUNDERSTORM OUTLOOK…
THUNDERSTORMS WILL BE POSSIBLE SUNDAY THROUGH MONDAY NIGHT AS A
SERIES OF STORM SYSTEMS SWEEP ACROSS THE SOUTHERN PLAINS. SOME OF
THESE STORMS WILL HAVE THE POTENTIAL TO BECOME SEVERE…MAINLY SOUTH
AND EAST OF INTERSTATE-44…WITH LARGE HAIL THE PRIMARY IMPACT.

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.