Flash Flood Warning 64, NWS Norman, OK

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
325 AM CDT SUN JUN 4 1995

PRIMARY FCST PROBLEM IS FLASH FLOOD THREAT. WSR-88D STORM TOTAL PCPN
PRODUCTS FROM KTLX/KFDR AND OBS FROM OK MESONET INDICATE HEAVIEST RAFL
FROM CNTRL OK SWWD INTO SERN TX PANHDL. ALTHO SOM OF THE RAFL MAXES LIE
BTWN GAGES...SOM LOCATIONS LIKELY HAVE RCVD NR 8 INCHES OF RN SINCE YDA.
HYDROVIEW SOFTWARE INDICATES MANY STREAMS ALREADY RISING RAPIDLY WTH
FLOOD WARNINGS IN EFFECT FOR SVRL RVR POINTS...AND FLASH FLOOD WARNINGS
COVERING SVRL COUNTIES. ONGOING CONVECTION CONTS TO AFFECT MNLY SWRN AND
CNTRL OK ATTM. XPCT THESE STMS TO CONT MVG EWD THIS MRNG THEN GRDLY WKN
MID-LATE MRNG.

ANTICIPATE OUTFLOW BNDRY FM THIS MRNGS CONVECTION WL LIE FM NWRN TX INTO
SCNTRL OK BY NOON. AS DAYTIME HTG PROCEEDS...XPCT BNDRY TO LIFT GRDLY
NWD DURG AFTN WITH STMS REFIRING IN VCNTY OF THIS BNDRY. ALTHO SHEAR WL
BE SLGTLY LESS THAN YDA...CAPES WL AGN BE HI...ESP AS MSTR POOLS NR
BNDRY. THFR A FEW SVR STMS APPEAR LIKLY. STMS LKLY WL CONT AND BCM MOR
WDSPRD OVRNGT WTH INCRG THREAT OF HVY RAFL. MDLS BRINGS NEXT WV INTO
POSN TO AFFECT AREA LATE THIS AFTN TONIGHT WHICH WL ALSO AID ADDTL
DVLPMT. IN ADDITION TO OUTFLOW BNDRY...SECOND FOCUS WL BE DRYLINE OVR W
TX. THESE STMS NOT LKLY TO AFFECT FA UNTIL 2ND PD THO.

GVN ABV SCENARIO...WL ISSUE FLASH FLOOD WATCH TODAY INTO TNGT FOR ALL
BUT XTRM NRN AND SRN PTNS OF FCST AREA. SVRL INCHES OF ADDTL RAFL PSBL
OVR THE FFA AREA BY MON MRNG WHICH CUD RESULT IN WDSPRD FLOODING. FFA
MAY NEED TO BE XPANDED LATER DEPENDING UPON MESOSCALE EVOLUTION.

MOIST SELY LOW LVL FLOW AND WNWLY FLOW ALFT WL PRVD ADDTL OPPORTUNITIES
FOR STMS ON MON. LTL CHG TO MAXES/MINS...W6TH CONVECTION THE PRIMARY
EFFECT.  ..16..  DA

.OKC...FLASH FLOOD WATCH TDA/TNGT ZNS 014>042...044>046...50.
.TX...FLASH FLOOD WATCH TDA/TNGT ZNS 083...085.

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
1045 AM CDT SUN JUN 4 1995

TIME(CDT)   .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
DATE        ....COUNTY LOCATION....

1020 AM        KNOX CITY             TX     21/2 INCH HAIL NORTH SIDE OF
06/4/95         KNOX                        KNOX CITY.

1040 AM        RHINELAND             TX     1 INCH HAIL IN RHINELAND.
06/4/95         KNOX

J

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
1045 AM CDT SUN JUN 4 1995

TIME(CDT)   .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
DATE        ....COUNTY LOCATION....

1020 ATM        KNOX CITY             TX     21/2 INCH HAIL NORTH SIDE OF
06/4/95         KNOX                        KNOX CITY.

1040 AM        RHINELAND             TX     1 INCH HAIL IN RHINELAND.
06/4/95         KNOX

J

OKZ004>053-TXZ083>090-051100-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
1230 PM CDT SUN JUN 4 1995

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
TONIGHT ACROSS WESTERN OKLAHOMA AND WESTERN SECTIONS OF NORTH TEXAS. THE
MODERATE RISK AREA IS LOCATED WEST OF A LINE FROM ALVA...TO OKLAHOMA
CITY...TO MARIETTA. A SLIGHT RISK OF SEVERE THUNDERSTORMS EXISTS
ACROSS THE REMAINDER OF CENTRAL AND SOUTHERN OKLAHOMA THROUGH TONIGHT.
LARGE HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES WILL BE POSSIBLE.

AN OUTFLOW BOUNDARY OF RAIN-COOLED AIR FROM OVERNIGHT THUNDERSTORM
ACTIVITY LIES NEAR THE RED RIVER EARLY THIS AFTERNOON. THIS BOUNDARY
WILL REMAIN STATIONARY OR MOVE SLOWLY NORTH INTO SOUTHERN OKLAHOMA.
THUNDERSTORMS ARE DEVELOPING NEAR THIS BOUNDARY AND ALSO NEAR A DRY LINE
IN THE TEXAS PANHANDLE. THESE STORMS WILL CONTINUE TO DEVELOP NORTHEAST
INTO OKLAHOMA.

THE ATMOSPHERE WILL BE EXTREMELY UNSTABLE ACROSS THE SOUTHERN PLAINS
...ESPECIALLY THIS AFTERNOON AND EVENING. THIS INSTABILITY COMBINED WITH
WINDS WHICH VARY FROM SOUTHEAST NEAR THE GROUND TO SOUTHWEST IN
MID-LEVELS OF THE ATMOSPHERE WILL PROVIDE CONDITIONS FAVORABLE FOR
SEVERE THUNDERSTORMS. LARGE HAIL...DAMAGING WINDS AND ISOLATED
TORNADOES WILL BE POSSIBLE...ESPECIALLY ACROSS THE WESTERN ONE-HALF OF
OKLAHOMA AND ACROSS WESTERN SECTIONS OF NORTH TEXAS. VERY HEAVY RAINFALL
WILL ALSO OCCUR AND FLASH FLOODING IS LIKELY.

BSC

OKZ004>053-TXZ083>090-051100-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
1230 PM CDT SUN JUN 4 1995

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
TONIGHT ACROSS WESTERN OKLAHOMA AND WESTERN SECTIONS OF NORTH TEXAS. THE
MODERATE RISK AREA IS LOCATED WEST OF A LINE FROM ALVA...TO OKLAHOMA
CITY...TO MARIETTA. A SLIGHT RISK OF SEVERE THUNDERSTORMS EXISTS
ACROSS THE REMAINDER OF CENTRAL AND SOUTHERN OKLAHOMA THROUGH TONIGHT.
LARGE HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES WILL BE POSSIBLE.

AN OUTFLOW BOUNDARY OF RAIN-COOLED AIR FROM OVERNIGHT THUNDERSTORM
ACTIVITY LIES NEAR THE RED RIVER EARLY THIS AFTERNOON. THIS BOUNDARY
WILL REMAIN STATIONARY OR MOVE SLOWLY NORTH INTO SOUTHERN OKLAHOMA.
THUNDERSTORMS ARE DEVELOPING NEAR THIS BOUNDARY AND ALSO NEAR A DRY LINE
IN THE TEXAS PANHANDLE. THESE STORMS WILL CONTINUE TO DEVELOP NORTHEAST
INTO OKLAHOMA.

THE ATMOSPHERE WILL BE EXTREMELY UNSTABLE ACROSS THE SOUTHERN PLAINS
...ESPECIALLY THIS AFTERNOON AND EVENING. THIS INSTABILITY COMBINED WITH
WINDS WHICH VARY FROM SOUTHEAST NEAR THE GROUND TO SOUTHWEST IN
MID-LEVELS OF THE ATMOSPHERE WILL PROVIDE CONDITIONS FAVORABLE FOR
SEVERE THUNDERSTORMS. LARGE HAIL...DAMAGING WINDS AND ISOLATED
TORNADOES WILL BE POSSIBLE...ESPECIALLY ACROSS THE WESTERN ONE-HALF OF
OKLAHOMA AND ACROSS WESTERN SECTIONS OF NORTH TEXAS. VERY HEAVY RAINFALL
WILL ALSO OCCUR AND FLASH FLOODING IS LIKELY.

BSC

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
100 PM CDT SUN JUN 4 1995

TIME(CDT)   .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
DATE        ....COUNTY LOCATION....

1230 PM        HOLLIS                OK     SHERIFFS OFFICE REPORTS
06/4/95        HARMON               TORRIENTIAL RAIN WITH
                                            FLOODING ALL OVER THE AREA.

1255 PM        GRANITE               OK     HWY 6 SOUTH OF GRANITE
06/4/95        GREER                        WASHED OUT. WATER ALL AROUND
                                            THE AREA.

J

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
100 PM CDT SUN JUN 4 1995

TIME(CDT)   .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
DATE        ....COUNTY LOCATION....

1230 PM        HOLLIS                OK     SHERIFFS OFFICE REPORTS
06/4/95        HARMON               TORRIENTIAL RAIN WITH
                                            FLOODING ALL OVER THE AREA.

1255 PM        GRANITE               OK     HWY 6 SOUTH OF GRANITE
06/4/95        GREER                        WASHED OUT. WATER ALL AROUND
                                            THE AREA.

J