Severe Thunderstorm Warning 72, NWS Norman, OK

OKZALL-101200-
OKLAHOMA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
100 PM CDT MON APR 9 1990

...THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS TODAY AND TONIGHT
   FOR WESTERN OKLAHOMA...EXCLUDING THE PANHANDLE...WEST OF A LINE FROM
   MARIETTA TO BLACKWELL...
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR EASTERN OKLAHOMA...
   EAST OF A LINE FROM MARIETTA TO BLACKWELL...

RICH MOISTURE CONTINUED TO STREAM NORTHWARD TODAY WITH THE MAIN AXIS OF
MOISTURE ACROSS CENTRAL OKLAHOMA. A DRY LINE WAS ESTABLISHED FROM KANSAS
SOUTH ACROSS THE TEXAS PANHANDLE. WIDESPREAD CLOUDINESS OVER MUCH OF
THE STATE PERSISTED THROUGH THIS MORNING AND WAS SLOWLY DISSIPATING OVER
NORTHWESTERN SECTIONS. A VIGOROUS UPPER LEVEL SYSTEM WAS LOCATED OVER
WESTERN COLORADO AND ARIZONA AND WAS MOVING EASTWARD. A COLD FRONT WAS
LOCATED OVER NORTHWESTERN KANSAS MOVING SOUTHWARD.

AS THE UPPER LEVEL SYSTEM APPROACHES OKLAHOMA FROM THE WEST AND ENCOUNTERS
THE DRY LINE...THUNDERSTORMS WILL DEVELOP OVER WESTERN SECTIONS OF THE
STATE. CURRENT INFORMATION INDICATES THAT THE STORMS OVER THE WESTERN
PORTIONS OF THE STATE COULD PRODUCE LARGE HAIL AND TORNADOES. THESE
STORMS ARE EXPECTED TO DEVELOP EARLY THIS AFTERNOON.

AS THE UPPER LEVEL SYSTEM MOVES EASTWARD AND THE FRONT MOVES SOUTHWARD...
THUNDERSTORMS WILL MOVE EASTWARD ACROSS THE STATE. THE ACTIVITY WILL
CONTINUE INTO THE NIGHTTIME HOURS WITH PRESENT INDICATIONS THAT THE
EASTERN HALF OF THE STATE CAN EXPECT  MAINLY LARGE HAIL AND HEAVY
RAINFALL. WITH THE FRONTAL BOUNDARY MOVING ACROSS THE STATE AND LOCATED
OVER EASTERN SECTIONS...THUNDERSTORMS MAY REPEATEDLY MOVE OVER THE SAME
AREAS...CAUSING LOCALIZED FLASH FLOODING.

SPOTTER GROUPS AND CIVIL DEFENSE AGENCIES OVER MOST SECTIONS OF THE
STATE EXCEPT THE PANHANDLE SHOULD BE ALERT AND PREPARED FOR ACTIVATION
LATER THIS AFTERNOON AND TONIGHT.

TXZALL-092145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA FALLS TX
340 PM CDT MON APR 9 1990

...TORNADO WATCH HAS BEEN ISSUED FOR PARTS OF SOUTHWEST AND SOUTH
CENTRAL OKLAHOMA AND A LARGE PORTION OF NORTHWEST TEXAS UNTIL 10 PM
CDT THIS MONDAY EVENING...

COUNTIES INCLUDED IN THIS PORTION OF NORTH CENTRAL TEXAS INCLUDE
ARCHER..BAYLOR..CLAY..FOARD..HARDEMAN..JACK..KNOX..WICHITA..WILBARGER.AND YOUNG. THIS INCLUDES COTTON COUNTY OF SOUTHWESTERN OKLAHOMA.

AT 330 PM CDT RADAR INDICATED AN AREA OF RAPIDLY DEVELOPING
THUNDERSTORMS IN SOUTHWESTERN OKLAHOMA FROM NORTH OF CHILDRESS TEXAS
NORTHEASTWARD TO OKLAHOMA CITY. MOVEMENT WAS NORTHEAST AT 30 MPH.
NO THUNDERSTORMS WERE INDICATED ON RADAR IN THIS PORTION OF NORTH
CENTRAL TEXAS BUT ARE EXPECTED TO FORM AND BUILD RAPIDLY THIS
AFTERNOON AND EVENING.

REMEMBER A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

TXZALL-092245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA FALLS TX
442 PM CDT MON APR 9 1990

...TORNADO WATCH IS IN EFFECT UNTIL 10 PM CDT THIS MONDAY EVENING FOR
A LARGE PORTION OF NORTHWESTERN TEXAS AND PORTIONS OF SOUTHWESTERN AND
SOUTH CENTRAL OKLAHOMA...

AT 430 PM CDT RADAR INDICATED THUNDERSTORMS WERE RAPIDLY FORMING
ACROSS THE AREA. IN OKLAHOMA THE STRONGEST THUNDERSTORM WAS NEAR
DUNCAN. IN TEXAS THUNDERSTORMS WERE DEVELOPING FROM SOUTHWEST OF
WICHITA FALLS TO ABILENE. THE STRONGEST THUNDERSTORMS WERE ENTERING
SOUTHERN ARCHER COUNTY AND SHOULD MOVE SOUTHEAST OF ARCHER CITY.
MOVEMENT WAS NORTHEAST AT 25 MPH.

REMEMBER A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS TO DEVELOP IN AND NEAR THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE ALERT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS OR POSSIBLE
WARNINGS.

TXZALL-092330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA FALLS TX
534 PM CDT MON APR 9 1990

...TORNADO WATCH IS IN EFFECT UNTIL 10 PM CDT THIS MONDAY AFTERNOON
AND EVENING FOR THIS PORTION OF NORTH CENTRAL TEXAS AND SOUTHWESTERN
OKLAHOMA...

AT 530 CDT RADAR INDICATED A FEW THUNDERSHOWERS..DECREASING IN
INTENSITY..ACROSS YOUNG AND SOUTHERN ARCHER COUNTIES. IN OKLAHOMA VERY
STRONG THUNDERSTORMS WERE WELL NORTHEAST OF WIICHITA FALLS FROM ALEX
TO PURCELL. MOVEMENT WAS NORTHEAST AT 25 MPH.

REMEMBER A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS TO DEVELOP IN AND NEAR THE WATCH
AREA. BE ALERT TO THREATENING WEATHER CONDITIO@NS AND LISTEN FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.