Flash Flood Warning 21, NWS Norman, OK

OKZ010-011-014-016>017-019-020-071615-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
1030 AM CDT FRI JUN 7 1991

...THUNDERSTORMS ARE PRODUCING HEAVY RAIN IN CENTRAL OKLAHOMA...

AT 1025 AM...A BAND OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN WAS
LOCATED IN CENTRAL AND SOUTH CENTRAL OKLAHOMA.  THEY EXTENDED FROM THE
NORTHEAST PORTION OF THE OKLAHOMA METROPOLITAN AREA...SOUTH THROUGH
NORMAN...TO PAULS VALLEY AND SULPHUR...TO THE AREA BETWEEN ARDMORE
AND LAKE TEXOMA.  THE STORMS WERE MOVING TO THE EAST NORTHEAST AT
15 MPH.

ONE OF OUR LOCAL TELEVISION STATIONS IN OKLAHOMA CITY REPORTED ONE
HALF INCH OF RAIN IN A 15 MINUTE PERIOD ON THE NORTH SIDE OF THE METRO
AREA BETWEEN 10 AND 1015 AM.

MOTORISTS IN THE AREA FROM JUST NORTHEAST AND EAST OF OKLAHOMA CITY
THROUGH SOUTH CENTRAL OKLAHOMA...JUST EAST OF INTERSTATE 35 SHOULD BE
ALERT FOR REDUCED VISIBILITY AND SCATTERED AREAS OF MINOR STREET
FLOODING THROUGH THE LATgE MORNING HOURS.

OTHER SHOWERS AND THUNDERSTORMS OF LESSER INTENSITY WERE SCATTERED
OVER PORTIONS OF NORTH CENTRAL AND WESTERN OKLAHOMA AT 1025 AM.

OKC027-071700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
1115 AM CDT FRI JUN 7 1991

...HEAVY RAINFALL CONTINUES OVER PARTS OF THE OKLAHOMA CITY
METROPOLITAN AREA...

AT 1115 AM CDT RADAR INDICATED AN AREA OF THUNDERSTORMS WITH VERY
HEAVY RAINFALL OVER THE OKLAHOMA CITY METROPOLITAN AREA. THE HEAVIEST
RAIN EXTENDED FROM 3 MILES SOUTHWEST OF EDMOND ACROSS DOWNTOWN
OKLAHOMA CITY TO NEAR MOORE. OTHER THUNDERSTORMS WITH LOCALLY HEAVY
RAINFALL COVERED MUCH OF OKLAHOMA COUNTY...SOUTHERN LOGAN COUNTY...AND
NORTHERN CLEVELAND COUNTY. THE THUNDERSTORMS ARE MOVING TOWARD THE
NORTH AT 10 MILES PER HOUR.

A TELEVISION STATION IN NORTHERN OKLAHOMA CITY REPORTED AN ADDITIONAL
1.1 INCHES OF RAIN BETWEEN 1050 AM AND 1115 AM...GIVING A STORM TOTAL
OF 1.6 INCHES SO FAR THIS MORNING. FLOODING OF STREETS AND FLOOD PRONE
AREAS IS LIKELY ACROSS MUCH OF THE OKLAHOMA CITY METROPOLITAN AREA
THROUGH THE NOON HOUR. MOTORISTS SHOULD EXERCISE CAUTION AND SHOULD BE
PREPARED FOR HIGH WATER IN POORLY DRAINED AREAS.

STAY TUNED TO NOAA WEATHER RADIO OR COMMERCIAL RADIO OR TELEVISION FOR
LATER UPDATES AND POSSIBLE WARNINGS.

OKZ004>021-081200-

OKLAHOMA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
115 PM CDT FRI JUN 7 1991

THIS THUNDERSTORM OUTLOOK IS VALID ONLY FOR OKLAHOMA ZONES 4 THROUGH
21.  A THUNDERSTORM OUTLOOK FOR THE OKLAHOMA AND TEXAS PANHANDLES IS
AVAILABLE UNDER LBBSPSAMA...AND A THUNDERSTORM OUTLOOK FOR EASTERN
OKLAHOMA IS AVAILABLE UNDER OKCSPSTUL.

WIDESPREAD SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS OKLAHOMA THIS
AFTERNOON...BUT THEY ARE EXPECTED TO REMAIN NONSEVERE. THUNDERSTORMS
WILL DEVELOP AGAIN THIS AFTERNOON OVER EASTERN NEW MEXICO AND THE TEXAS
PANHANDLE AND MOVE EASTWARD INTO WESTERN OKLAHOMA TONIGHT. A FEW OF
THESE THUNDERSTORMS MAY APPROACH SEVERE LIMITS WEST OF A LINE FROM
RANDLETT TO WOODWARD.

THE ATMOSPHERE OVER OKLAHOMA IS VERY MOIST AND ONLY MARGINALLY UNSTABLE
TODAY. THE CONVECTIVE CLUSTER WHICH DEVELOPED OVER EASTERN NEW MEXICO
AND THE TEXAS PANHANDLE THURSDAY AFTERNOON PUSHED EASTWARD INTO OKLAHOMA
AND WEAKENED THIS MORNING. A POORLY DEFINED OUTFLOW BOUNDARY FROM THIS
AREA OF THUNDERSTORMS EXTENDED NEAR DURANT TO NEAR STILLWATER EARLY THIS
AFTERNOON. EXTENSIVE CLOUD COVER WILL CONTINUE OVER MUCH OF CENTRAL AND
WESTERN OKLAHOMA THIS AFTERNOON...WHILE SOME SURFACE HEATING OVER THE
EASTERN PART OF THE STATE WILL HELP TO DESTABILIZE THE ATMOSPHERE IN
THAT AREA. THE BOUNDARY SEPARATING THE RAIN-COOLED CLOUDY AREA FROM THE
WARMER AIR OVER EASTERN OKLAHOMA WILL ACT TO FOCUS THUNDERSTORM
DEVELOPMENT THROUGHOUT THE AFTERNOON HOURS. THESE THUNDERSTORMS WILL
TEND TO DECREASE AFTER SUNSET. BECAUSE OF ONLY LIMITED
INSTABILITY...THESE THUNDERSTORMS ARE EXPECTED TO REMAIN NONSEVERE. THE
UPPER LEVEL FLOW IS QUITE WEAK...AND THE THUNDERSTORMS MAY PRODUCE VERY
HEAVY RAINFALL IN HIGHLY LOCALIZED AREAS.

THUNDERSTORMS ARE EXPECTED TO REDEVELOP LATER THIS AFTERNOON OVER
EASTERN NEW MEXICO AND THE TEXAS PANHANDLE...AND THIS AREA OF
THUNDERSTORMS WILL PUSH EASTWARD INTO OKLAHOMA DURING THE E9VENING HOURS.
THE RAIN COOLED AIR OVER WESTERN OKLAHOMA WILL BE SLOW TO RECOVER...BUT
A FEW OF THE THUNDERSTORMS WHICH MOVE INTO THE STATE FROM THE WEST COULD
APPROACH SEVERE LIMITS THIS EVENING.