Alert archive / Oklahoma / Flash Flood Warnings in 1996
Flash Flood Warning 10, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at May 13, 1996, 7:32 AM CDT for Pittsburg County, Oklahoma. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 13, 1996, 7:32 AM CDT (12:32 UTC)
- Expired
- May 13, 1996, 10:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
County Pittsburg County, OK
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 0.5 hours before the alert went out and 154 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1206 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 131234 FFWTUL OKC121-131530- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TULSA OK 732 AM CDT MON MAY 13 1996 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1030 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST OKLAHOMA ...NORTHWEST AND CENTRAL PITTSBURG COUNTY AT 730 AM A BAND OF VERY HEAVY RAIN WAS LOCATED OVER PITTSBURG COUNTY. HEAVY RAINS OF 2 TO 4 INCES HAVE OCCURRED IN A NARROW BAND FROM THE SCIPIO AREA IN THE NORTHWEST PART OF THE COUNTY TO JUST NORTH OF MCALESTER IN THE CENTRAL PART OF THE COUNTY. ADDITIONAL THUNDERSTORMS WILL BE CAPABLE OF PRODUCING ANOTHER 1 TO 2 INCHES OVER THIS SAME AREA DURING THE NEXT 1 TO 2 HOURS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS LIKELY OR HAS BEEN REPORTED. STAY ALERT AND WATCH FOR RAPIDLY RISING WATER. REMEMBER...IT'S IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO THE NEAREST STREAM...CREEK OR RIVER WHICH CAN BECOME A KILLER DURING PERIODS OF HEAVY RAIN. KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tulsa, OK wrote its last area forecast discussion before this flash flood warning went out at May 13, 4:16 AM CDT, 3 hours 16 minutes earlier.
Area forecast discussion, May 13, 4:16 AM CDT, 3 hours 16 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 415 AM CDT MON MAY 13 1996 LATEST SFC MAP SHOWS LOW PRES OVR NM...WRMFNT OVR TX PNDL/SW OK... BCMG MORE OF A STNRY FNT FROM FAR SRN OK TO NE TX AND WRN LA. AT 850 MB...10 TO 12 DGR DWPTS POOLED FROM SW KS OVR OK TO NW LA IN TIGHT TEMP GRAD OVR AREA. SFC/850 MB WRMFNTS XPCTD TO LIFT SLOWLY NWD...AND EXTND FROM WRN KS TO CTRL OK TO NW LA TNGT. AT 500 MB... NW FLOW OVR PLNS BTWN WRN STATES RDG AND ERN STATES TROF. 1 S/W IN NW FLOW IS OVR MDWST MOVG TWRD OH VLY...2ND S/W WL MOVE THRU (AND FLATTEN) RDG AND AFFCT PLNS LT TNGT/TMRW. FLATTENED WRN STATES RDG XPCTD TO SHIFT E OVR PLAINS LEADG TO STRNGR CAP AND WRMR SFC TEMPS. WITH ABUNDANT LLVL MOISTR POOLED OVR FCST AREA...SHUD CONT TO SEE WDPSRD CU/SC TDAY LIKE YDAY...KPG TEMPS DOWN. 88D SHOWS SCTD SHWRS MOVG OVR NE OK IN AREA OF APRNT MOISTR FLUX CONVRGNCE HINTED ON PROFLR NETWORK AT 850 MB...THIS MAY WEAKEN DURG MRNG LEADG TO DCRS IN SHWRS...BUT ISENTRPC LIFT AND WEAKR CAP (COMPARED TO WRN OK) MAY LEAD TO INCRS IN ACTVTY IN AFTN. WL PROB GO 20 OR 30 POPS TDAY. MDLS BRING WK S/W THRU UPR RDG AXIS LT TNGT...DECENT LLVL THETA-E ADVCTN BULLSEYE DVLPS OVR KS/SRN NBRSKA...WELL DVLPD THETA-E RDG FROM WRN KS TO CTRL OK TO NW LA...AND DECENT LLJ OVR HI PLNS...ALL INGRED FOR NOCTURNAL MCC DVLPMNT. CAP STRNGTH FCST TO INCRS TDAY OVR HI PLAINS...WITH CAP WEAKER TO THE E. MCC DVLPMNT CUD OCCUR OVR SRN NBRSKA/NW OR NCTRL KS WHR CAP WEAKER AND THETA-E ADVCTN STRONGR...BUT MDLS SUGGEST LESS INSTBY IN THESE AREAS WITH LLVL THETA-E RDG OVR SW KS/NW OK. AGREE WITH WSFO TOP ON UNCERTAINTY ABOUT ACCURACY OF MDL FCSTS OF APRCHG S/W LT TNGT. SO...MCS/MCC DVLPMNT NOT A GIVEN. WITH MOISTR POOLING/MOISTURE CONVRGNCE/ ISENTRPC LIFT ALNG AND N OF LLVL WRMFNTL BNDRY...SHUD SEE CNVCTN DVLP THIS EVNG OVR WRN OR NRN KS AND PROB SRN NBRSKA. THETA-E ADVCTN SUGG ORGANIZATION INTO MCS IN LLJ AXIS. THCKNSS FIELD SUGG SEWD MVMT TWRD FCST AREA. THEN THERES THE QSTN OF WHETHER MCS/MCC WUD REACH FCST AREA. MDLS SUGGEST LLJ AXIS WL BE OVR WRN OK/WCTRL KS TUE MRNG...SO IF MCC DOES DVLP...IT WUD LKLY WEAKEN BY TUE MRNG AS IT MOVES E OF LLJ AXIS AND INTO MORE STABLE ENVIRONMENT OVR ERN HALF KS/ERN OK. IF WEAKENING MCS DOES REACH FCST AREA...IT WUD BE WELL AFTR MDNGT (PSBLY TWRD DAWN IF DVLPMNT OCCURS LTR THAN XPCTD). UNCERTAINTY KEEPS ME FROM GOING WITH HI POPS. WL PROB GO ARND 50 POPS NRN ZNS...ONLY 30 OR 40 POPS SRN ZNS FOR TNGT. WL GO HIER POPS S...LWR POPS N TMRW WITH WEAKNG LEFTOVR RW/TRW MOVG OVR SRN HALF OF FCST AREA DURG MRNG. SUBSIDENCE IN WAKE OF PSBL MCS CUD LEAD TO PRTLY CLDY SKIES DURG AFTN. THIS FCST CUD BUST IF MCC/MCS DVLPMNT DOESNT MATERIALIZE. AS FOR TEMPS TDAY...DEPENDS ON IF LOW CLDS BREAK UP...FOR NOW WL GO SLGTLY BLO NGM MOS GUID AS LOW CLDNSS SHUD HANG TUF DUE TO LLVL ISENTRPC LIFT. FOR TNGT...NGM MOS WUD BE FINE IF NO PCPN OCCURS (AS CLDS/WINDS KEEP TEMPS UP)...BUT PCPN CUD BRING TEMPS A FEW DGRS BLO MOS. AVN MOS TNGT LOOKS TOO LOW...WL GO CLOSR TO NGM MOS FOR LOWS. FOR HI TEMPS TMRW...AVN OKAY IF WE STAY CLDY...NGM OKAY IF WE GET SUN...WL COMPROMISE AND HOPE SKIES BCM PTLY CLDY IN AFTN. CUD SEE MCC/MCS DVLPMNT TUE NGT...THO WUD LKLY BE FURTHR N AND E AND AT BEST MAY JUST CLIP NE ZNS...WL MENT SLGT CHC RW/TRW XTRM NE CRNR OK/NW AR...JUST PTLY CLDY ELSEWHR. WARMING TREND XPCTD THRU MIDWEEK AS WRN STATES RDG BUILDS OVR ~SRN PLNS. PRELIM NUMBERS... TUL 70/61 78/68 3542 BVO 69/59 79/66 3542 FYV 67/58 76/65 3443 MLC 73/63 81/68 3451 IDB 72/61 80/66 3341 FSM 71/62 78/65 3441 PW .TUL... OK...NONE. AR...NONE.
In the hours before
Special weather statement, May 13, 6:14 AM CDT, 1 hour 18 minutes before
ARZ001-002-010-011-019-029-OKZ054>077-141200- EASTERN OKLAHOMA/NORTHWEST ARKANSAS THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 610 AM CDT MON MAY 13 1996 SHOWERS AND A FEW THUNDERSTORMS WILL BE POSSIBLE ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS TODAY AND AGAIN BY LATE TONIGHT. HOWEVER...THUNDERSTORMS ARE EXPECTED TO REMAIN BELOW SEVERE LEVELS. EARLY THIS MORNING A STATIONARY FRONTAL BOUNDARY WAS LOCATED FROM THE TEXAS PANHANDLE INTO FAR SOUTHWESTERN OKLAHOMA...THEN INTO NORTHERN AND NORTHEASTERN TEXAS. WITH ABUNDANT MOISTURE IN PLACE...SCATTERED SHOWERS AND THUNDERSTORMS HAVE DEVELOPED THIS MORNING ALONG AND NORTH OF THE BOUNDARY. A FEW OF THE STORMS WILL BE CAPABLE OF PRODUCING HEAVY RAIN AND MAY ALSO PRODUCE SOME SMALL HAIL MAINLY OVER SOUTHEAST OKLAHOMA EARLY THIS MORNING...BUT SHOULD WEAKEN BY MID-MORNING. BY TONIGHT...A STRONGER LOW LEVEL JET IS EXPECTED TO DEVELOP OFF TO THE WEST. THUNDERSTORMS ARE ONCE AGAIN EXPECTED TO DEVELOP WELL TO THE WEST AND NORTHWEST...THEN MOVE SOUTHEASTWARD TOWARD EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. HOWEVER...AS THE STORMS MOVE AWAY FROM THE LOW LEVEL JET AXIS AND TOWARD A SLIGHTLY MORE STABLE AIRMASS...THE STORMS ARE EXPECTED TO WEAKEN AS THEY APPROACH EASTERN OKLAHOMA AND NORTHWEST ARKANSAS AFTER MIDNIGHT.
Nearby
Flash Flood Warnings in Oklahoma, 1996Every flash flood warning in 1996
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.