Alert archive / Oklahoma / Flash Flood Warnings in 1991

Flash Flood Warning 8, NWS Tulsa, OK

June 22, 1991Muskogee County, Okmulgee County, Wagoner County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Jun 22, 1991, 5:01 PM CDT for Muskogee County, Okmulgee County, Wagoner County, Oklahoma. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 22, 1991, 5:01 PM CDT (22:01 UTC)
Expired
Jun 22, 1991, 8:00 PM CDT
In force
3 hr
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Muskogee County, OK, Okmulgee County, OK, Wagoner County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 10.0 hours before the alert went out and 171 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 12:00Z on 1991-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2043 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 12:00Z on 1991-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -85 square meters per square second.1939Sfc1 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
2043 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
969 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-85 m²/s²
0-3 km storm-relative helicity
-37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 222202
FFWTUL
OKC101-111-145-230100-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
501 PM CDT SAT JUN 22 1991
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  800 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES ...
 
IN EAST CENTRAL OKLAHOMA
 
   ...MUSKOGEE COUNTY
 
IN NORTHEAST OKLAHOMA
 
   ...NORTHERN OKMULGEE COUNTY...SOUTHERN WAGONER COUNTY
 
THUNDERSTORMS WITH VERY HEAVY RAINS HAVE OCCURRED OVER THE WARNING
AREA IN THE PAST 3 HOURS. SOME FLOODING PROBLEMS HAVE ALREADY BEEN
REPORTED IN THE MUSKOGEE AREA AND ADDITIONAL HEAVY RAINS WILL CAUSE
MORE FLOODING PROBLEMS IN THESE COUNTIES. AT 500 PM RADAR SHOWED A 40
MILE WIDE AREA OF STRONG THUNDERSTORMS EXTENDING FROM SOUTHERN
OKFUSKEE COUNTY TO OKMULGEE TO MUSKOGEE. THE HEAVIEST RAIN WAS IN
NORTHERN OKMULGEE...SOUTHERN WAGONER...AND NORTHERN MUSKOGEE COUNTIES.
HEAVY RAINS FROM THESE STORMS WILL LIKELY CAUSE RUNOFF PROBLEMS
BETWEEN NOW AND 8 PM.
 
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT DRIVE YOUR
VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY.  THE WATER
MAY BE TOO DEEP TO ALLOW YOUR CAR TO CROSS SAFELY.  IF YOUR
VEHICLE GETS CAUGHT IN RISING WATER...ABANDONED IT QUICKLY.  THEN
MOVE TO HIGHER GROUND.

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.

In the hours before

Local storm report, Jun 22, 12:53 PM CDT, 4 hours 8 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
1253 PM CDT SAT JUN 22 1991

...REPORT FROM EARLY THIS MORNING...

TIME(CDT)     COUNTY        REPORT

300 AM        PAWNEE        TREES AND POWER LINES DOSWN IN PAWNEE

940 AM        CREEK         60 MPH WINDS DOWNED SEVERAL LARGE TREES AND
                            MANY TREE LIMBS NEAR BRISTOW
Local storm report, Jun 22, 12:54 PM CDT, 4 hours 7 minutes before
STORM REPORT CORRECTED
NATIONAL WEATHER SERVICE TULSA, OK
1253 PM CDT SAT JUN 22 1991

...REPORT FROM EARLY THIS MORNING...

TIME(CDT)     COUNTY        REPORT

300 AM        PAWNEE        TREES AND POWER LINES DOWN IN PAWNEE
Local storm report, Jun 22, 12:58 PM CDT, 4 hours 3 minutes before
STORM REPORT CORRECTED
NATIONAL WEATHER SERVICE TULSA, OK
1257 PM CDT SAT JUN 22 1991

...REPORT FROM EARLY THIS MORNING...

TIME(CDT)     COUNTY        REPORT

300 AM        PAWNEE        TREES AND %POWER LINES DOWN IN PAWNEE

THERE WAS NO SEVERE WEATHER IN CREEK COUNTY THIS MORNING. THE REPORT
JUST SENT OF WIND DAMAGE NEAR BRISTOW WAS AN OLD REPORT FROM JUNE 5TH.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 2:27 AM CDTSevere Thunderstorm WarningTSAOsage, Pawnee63 min
Jun 22, 1:11 PM CDTSevere Thunderstorm WarningTSAWagoner34 min
Jun 22, 1:47 PM CDTSevere Thunderstorm WarningTSACherokee43 min
Jun 22, 2:22 PM CDTSevere Thunderstorm WarningTSACherokee, Wagoner68 min
Jun 22, 3:11 PM CDTSevere Thunderstorm WarningTSAOkfuskee64 min
Jun 22, 3:30 PM CDTSevere Thunderstorm WarningTSAMuskogee, Wagoner60 min
Jun 22, 3:56 PM CDTSevere Thunderstorm WarningTSASequoyah64 min
Jun 22, 4:25 PM CDTSevere Thunderstorm WarningTSAMuskogee, Okmulgee65 min
Jun 22, 5:19 PM CDTSevere Thunderstorm WarningTSAWagoner56 min
Jun 22, 5:45 PM CDTSevere Thunderstorm WarningTSAPittsburg60 min

Nearby

Flash Flood Warnings in Oklahoma, 1991Every flash flood warning in 1991

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.