Alert archive / Oklahoma / Flash Flood Warnings in 1996

Flash Flood Warning 12, NWS Tulsa, OK

May 22, 1996Pittsburg County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 22, 1996, 4:41 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 22, 1996, 4:41 AM CDT (09:41 UTC)
Expired
May 22, 1996, 7:45 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 00:00Z, 9.7 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.

Skew-T log-pSkew-T log-p diagram, Norman, OK at 00:00Z on 1996-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1247 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 1996-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1247 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
1006 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
270 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTUL 220942
FFWTUL
OKC121-221245-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
441 AM CDT WED MAY 22 1996
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  745 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST OKLAHOMA
 
   ...EASTERN PITTSBURG COUNTY
 
WEATHER RADAR IS ESTIMATING TOTAL RAINFALL OF 3 TO 5 INCHES ACROSS FAR
EASTERN PITTSBURG COUNTY...INCLUDING THE HAILEYVILLE AND HARTSHORNE
AREAS.  ADDITIONAL THUNDERSTORMS MOVING OVER THIS AREA MAY PRODUCE AN
ADDITIONAL INCH OF RAIN THROUGH 6 AM.  THIS RAINFALL IS LIKELY RESULTING
IN FLOODING...ESPECIALLY IN THE HAILEYVILLE AND HARTSHORNE AREAS.
 
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 22, 4:15 AM CDT, 26 minutes earlier.

Area forecast discussion, May 22, 4:15 AM CDT, 26 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
415 AM CDT WED MAY 22 1996

TRW CONT TO REDVLP AND MV ACRS SE OK ZNS AND INTO W CNTRL AR THIS
MRNG. STRMS ARE MVG JUST S OF BNDRY DEFINED BY GOOD DW PT GRAD AS
SEEN IN MESONET DATA. MEANWHILE STNRY FNT REMAINS JUST S OF RED
RVR. XPCT MOST TRW ACTVTY TO DIMINISH DURG THE MRNG AND FOR FNT TO
MOVE/REDEVLOP TO THE N OF FA THIS AFTN. MDLS SHOW LO LVL MOISUTRE
DIMINISHING DURG THE AFTN FROM W TO E. WL GO FOR SKIES TO BCM PTLY
CLDY ACRS WRN ZNS BUT KEEP ERN SCTNS MSTLY CLDY ALL DAY THINKING
CLRG SHLD BE LATE IN THE DAY. AFT TDY MDLS SUGGEST JUST SOME MID
AND HI CLDS MVG ACRS FA FROM TIME TO TIME FOR THE NEXT FEW DAYS.

CAP IS FCST TO STRENGTHEN ACRS ERN OK LATE THIS AFTN AND TAKE HOLD
ACRS ENTIRE FA TNGT. SO AFT TDY WL NOT MENTION ANY POPS IN FCST
THRU FRI. ATTM LOOKS LIKE BEST CHC WOULD BE IN SERN ZNS WHERE AVN
SUGGESTS CAP MIGHT NOT BE AS STRG. SO THERE MAY BE A CHC OF LATE
AFTN/ERLY EVE TRW ON FRI BUT PSBLTY IS NOT HI ENOUGH TO MENTION IN
ZFP ATTM.

GUIDANCE MAXES SEEM REASONABLE ACRS WRN SCTNS TDY BUT MAY BE A BIT
HI IN THE E WHERE CLDS ARE XPCTD TO PERSIST LONGER. ALSO MAXES MAY
BE A FEW DEGS HI ON THU AS TEMPS HV STRUGGLED TO REACH 90 ACRS FA
THUS FAR. W/STRG SLY WNDS FCST TNGT AND THU NGT WL ADD A FEW DEGS
TO LOW TEMPS IN MOST PLACES.

PRELIM NMBRS
TUL 86/72/91 210    FSM 84/66/90 511    MLC 87/71/90 510
BVO 86/72/92 210    FYV 80/68/87 310    IDB 86/64/89 311
BYV 80/65/88 310

07

.TUL...
OK...NONE.
AR...NONE.

In the hours before

Special weather statement, May 22, 2:25 AM CDT, 2 hours 16 minutes before
OKZ073-075-076-220830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
225 AM CDT WED MAY 22 1996

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

THUNDERSTORMS WITH VERY HEAVY RAINS WERE MOVING SLOWLY ACROSS PARTS OF
SOUTHEAST OKLAHOMA EARLY THIS MORNING. MOST OF THE HEAVY RAINS AT 220 AM
WERE OCCURRING ACROSS EASTERN PITTSBURG...SOUTHERN LATIMER...AND SOUTHERLE FLORE COUNTIES.

SOME HEAVY RAINS WILL CONTINUE ACROSS SOUTHEAST OKLAHOMA THROUGH THE
EARLY MORNING HOURS. AREAS AROUND HAILEYVILLE...BENGAL...WISTER...
HIGGINS AND TALIHINA MAY EXPERIENCE MINOR FLOODING OF LOW LYING AREAS
THROUGH 400 AM. SOME MINOR FLOODING OF ROADWAYS MAY ALSO
OCCUR...ESPECIALLY NEAR ^HIGHWAYS 2 AND 63 SOUTH OF WILBURTON.

STAY TUNED TO COMMERCIAL RADIO OR TELEVISION OR NOAA WEATHER RADIO FOR
THE LATEST WEATHER INFORMATION.

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 22, 2:56 AM CDTFlash Flood WarningTSALatimer3 hr
May 22, 2:59 AM CDTSevere Thunderstorm WarningTSALatimer46 min

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.