Severe Thunderstorm Warning 87, NWS Tulsa, OK

AREA FORECAST DISCUSSION FOR EASTERN OKLAHOMA
NATIONAL WEATHER SERVICE TULSA OK
1000 AM CDT MON APR 11 1994

AM GOING TO EXTEND THE FLASH FLOOD WATCH FURTHER SOUTH FOR TODAY TO
INCLUDE MUCH OF NORTH EAST AND EAST-CENTRAL OKLAHOMA AS SHOWERS AND
STORMS CONTINUE TO TRAIN OVER THE AREA.

SURFACE LOW WAS OVER SOUTH-CENTRAL OK THIS MORNING WITH WARM FRONT
EXTENDING NORTHEAST OF THE LOW INTO NORTHEAST OKLAHOMA.  LATEST 12Z
ETAMODEL GUIDANCE SUGGESTS THIS LOW WILL MOVE INTO NORTHEAST OK NEAR
BARTLESVILLE BY 00Z THIS EVENING.  PRESSURE FALLS NOTED OVER NORTHERN
SECTIONS OF THE STATE WITH RISES OCCURRING OVER NC TEXAS ALSO SEEM TO
SUGGEST THAT THE LOW WILL MOVE NORTHEASTWARD INTO NE OKLAHOMA.  WITH THE
FRONT PROGGED BY THE MODELS TO SHIFT NORTH THIS AFT AND WITH TEMPS
ALREADY IN THE 70S OVR SRN SCTNS...HV DECIDED TO UP TEMPS SOME OVR THE
SRN ZONES.

100 KT JET MAX FROM SRN NM INTO W TX WL ROTATE AROUND UPPER LOW OVER
SOURTHERN COLORADO AND PLACE NRN SCTNS OF OKLAHOMA IN THE UPPER LEVEL
DIVERGENT-LEFT FRONT QUADRANT OF JET THIS AFTERNOON.  WITH PLENTY OF LOW
LEVEL MOISTURE AND INSTABILITY IN PLACE...SHOWERS AND STORMS WILL BE
LIKELY WITH LOCALLY HEAVY RAINS AND SEVERE WEATHER.

FLASH FLOOD WATCHES MAY NEED TO BE EXTENDED INTO SOUTHEAST OKLAHOMA FOR
TONIGHT AS SHOWERS AND THUNDERSTORMS OVERSPREAD THAT SECTION OF THE
STATE.

...16...

.TUL...FLASH FLOOD WATCH TDY ZNS 54>71.

OKZ062-063-068-111500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
850 AM CDT MON APR 11 1994

AT 850 AM...NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF STRONG
THUNDERSTROMS EXTENDING FROM 3 MILES WEST OF SALINA TO LOCUST GROVE TO 1
MILE WEST OF PEGGS. HEAVY RAIN...WINDS TO 45 MPH...AND PEA SIZED HAIL
CAN BE EXPECTED AS THIS LINE OF STORMS PASSES. THE LINE WAS MOVING
NORTHEAST AT 40 MPH. SALINA...SPAVINAW...PEGGS...AND JAY ARE IN THE PATH
OF THESE STORMS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1 PM FOR THIS AREA.
BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. LISTEN TO THIS STATION
FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER
SERVICE.

OKZ054>072-111615-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1014 AM CDT MON APR 11 1994

...STRONG STORMS SCATTERED OVER EASTERN OKLAHOMA...

SCATTERED STRONG THUNDERSTORMS CONTINUED OVER EASTERN OKLAHOMA THIS
MORNING. AT 1010 AM...THE NATIONAL WEATHER SERVICE RADAR IN TULSA
INDICATED NUMEROUS SHOWERS AND THUNDERSTORMS OVER THAT PART OF EASTERN
OKLAHOMA NORTH OF A LINE FROM MCALESTER TO STILWELL.

A SEVERE THUNDERSTORM WAS OVER EXTREME EASTERN DELAWARE COUNTY ABOUT 10
MILES EAST OF JAY. THIS STORM WILL MOVE OUT OF OKLAHOMA BY 1015 AM...AND
THE WARNING FOR DELAWARE COUNTY WILL NOT BE REISSUED.

OTHER STRONG THUNDERSTORMS WERE IN A 15 MILE WIDE AREA EXTENDING FROM
MANNFORD TO BOLEY. THIS BAND OF STORMS WILL MOVE NORTHEAST ACROSS
EASTERN CREEK...OKMULGEE...TULSA AND EASTERN OKFUSKEE COUNTIES BETWEEN
1015 AND 1100 AM. SOME BRIEF GUSTY WINDS AND VERY HEAVY RAINS CAN BE
EXPECTED AS THESE STORMS MOVE NORTHEAST AT 40 MILES AN HOUR.

OTHER STRONG THUNDERSTORMS WERE SCATTERED OVER WAGONER...MUSKOGEE...
AND MCINTOSH COUNTIES AT 1010 AM. VERY HEAVY RAINS AND BRIEF GUSTY WINDS
CAN BE EXPECTED WITH THESE STORMS THROUGH 1100 AM. MOVEMENT WAS
NORTHEAST AT 40 MPH.

HEAVY RAINS OVER THE NEXT SEVERAL HOURS WILL PRODUCE MINOR STREET
FLOODING IN LOW LYING AREAS. SOME MINOR FLOODING OF TULSA AREA STREETS
CAN BE EXPECTED BETWEEN 1030 AND 1100 AM AS THUNDERSTORMS MOVE ACROSS
THE CITY.

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1 PM FOR MOST OF
EASTERN OKLAHOMA...

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1034 AM CDT MON APR 11 1994

DELAYED REPORTS FROM SUNDAY NIGHT AND EARLY MONDAY MORNING (APR 10-11)

TIME(CDT)     COUNTY         EVENT

515 PM        WASHINGTON     GOLF BALL SIZE HAIL AT DEWEY

800 PM        NOWATA         DIME SIZE HAIL AT COPAN

830 PM        NOWATA         NICKEL SIZE HAIL AT LENAPAH

1215 AM       NOWATA         GOLF BALL SIZE HAIL AT SOUTH COFFEYVILLE

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1055 AM CDT MON APR 11 1994

TIME(CDT)     COUNTY         EVENT

400AM-600AM   OSAGE          COUNTY ROAD OVER HOMINY CREEK 12 MILES
                             WEST OF FAIRFAX CLOSED DUE TO BRIDGE
                             THAT WAS WASHED OUT.  ANOTHER COUNTY ROAD
                             OVER SAND CREEK NE OF PAWHUSKA CLOSED DUE
                             TO HIGH WATER CAUSING BRIDGE DAMAGE.

700 AM        WASHINGTON     STATE HIGHWAY 123 BETWEEN BARTLESVILLE AND
                             DEWEY CLOSED DUE TO HIGH WATER.

OKZ055-070-111700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1105 AM CDT MON APR 11 1994

...SEVERE THUNDERSTORM WARNING IN EFFECT FOR NORTHERN OKMULGEE COUNTY...

...STRONG THUNDERSTORM MOVING ACROSS THE CITY OF TULSA...

AT 1100 AM...RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES NORTHEAST OF
BEGGS. DIME SIZE HAIL AND WIND GUSTS TO 60 MPH CAN BE EXPECTED OVER
NORTHERN OKMULGEE COUNTY AS THIS STORM MOVES NORTHEAST AT 35 MILES AN
HOUR.

A STRONG THUNDERSTORM WITH VERY HEAVY RAIN WAS MOVING ACROSS THE CITY OF
TULSA. THE HEAVIEST RAIN AT 1100 AM WAS INDICATED OVER THE SOUTHEAST
PART OF THE CITY NEAR BROKEN ARROW. SOME FLOODING OF ROADWAYS AND LOW
LYING AREAS CAN BE EXPECTED AS THE VERY HEAVY RAIN MOVES ACROSS THE
CITY. THIS STORM WAS MOVING NORTHEAST AT 35 MILES AN HOUR.

ANOTHER STRONG THUNDERSTORM WAS OVER CENTRAL CHEROKEE COUNTY JUST WEST
OF TAHLEQUAH. THIS STORM WILL PRODUCE SOME BRIEF GUSTY WINDS AND PEA
SIZE HAIL IN TAHLEQUAH BETWEEN 11 AM AND 1130 AM. MOVEMENT WAS NORTHEAST
AT 35 MILES AN HOUR.

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

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1 PM FOR MOST OF
EASTERN OKLAHOMA...

OKZ055-071-111745-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1144 AM CDT MON APR 11 1994

...VERY HEAVY RAINS ACROSS PARTS OF NORTHEAST OKLAHOMA...

NUMEROUS SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAINS...
CONTINUE TO MOVE ACROSS NORTHEAST OKLAHOMA THIS MORNING. AT 1140 AM...
THE NATIONAL WEATHER SERVICE RADAR IN TULSA SHOWED A LARGE AREA OF
SHOWERS AND THUNDERSTORMS...EAST AND NORTH OF A LINE FROM PAWHUSKA TO
TULSA TO CHECOTAH TO STILWELL.

THE HEAVIEST RAINS WERE IN A 10 MILE WIDE BAND OF STRONG THUNDERSTORM
WHICH EXTENDED FROM CHELSEA TO OKAY AT 1140 AM. MOVEMENT WAS NORTHEAST
AT 45 MILES AN HOUR.

THE HEAVY RAINS MAY CAUSE SOME BRIEF FLOODING PROBLEMS ACROSS PARTS OF
NORTHEAST OKLAHOMA LATE THIS MORNING AND EARLY THIS AFTERNOON. THE
COUNTIES MOST LIKELY TO EXPERIENCE HEAVY RAINS AND MINOR FLOODING ARE
EASTERN MAYES...NORTHERN CHEROKEE...OTTAWA...DELAWARE...ADAIR AND
SOUTHEAST CRAIG COUNTIES.

THE CURRENT AREA OF SHOWERS AND THUNDERSTORMS WILL MOVE OUT OF EASTERN
OKLAHOMA BY AROUND 100 PM...BUT ADDITIONAL SHOWERS AND THUNDERSTORMS
ARE EXPECTED TO DEVELOP OVER EASTERN OKLAHOMA BY EARLY AFTERNOON.

...A FLASH FLOOD WATCH IS IN EFFECT FO.R MOST OF EAST CENTRAL AND
NORTHEAST OKLAHOMA THIS AFTERNOON...