Alert archive / Oklahoma / Flash Flood Warnings in 1995

Flash Flood Warning 20, NWS Tulsa, OK

May 26, 1995Creek County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 26, 1995, 1:34 AM CDT for Creek County, Oklahoma. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
May 26, 1995, 1:34 AM CDT (06:34 UTC)
Expired
May 26, 1995, 3:30 PM CDT
In force
14 hr
Issued by
NWS Tulsa, OK
Area
Whole counties

County Creek County, OK

The radar

The Tulsa radar (KINX), 79 km from the middle of the area, began a volume at 06:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 6.6 hours before the alert went out and 120 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 1995-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1995-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 174 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
854 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
174 m²/s²
0-3 km storm-relative helicity
605 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 261636
FFWTUL
OKC037-262030-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
1134 AM CDT FRI MAY 26 1995
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  330 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST OKLAHOMA
 
   ...NORTHERN CREEK COUNTY
 
DUE TO HEAVY RAINS THIS MORNING...FLOODING HAS OCCURRED ACROSS PARTS OF
CREEK COUNTY. WATER HAS BEEN REPORTED OVER NUMEROUS BRIDGES AND INTO
SEVERAL BUILDINGS IN THE SAPULPA AREA. ADDITIONAL SHOWERS CONTINUE TO
DEVELOP FROM CREEK TO OKLAHOMA COUNTY AND WILL CONTINUE FOR THE NEXT 2
TO 3 HOURS. ADDITIONAL AMOUNTS OF A HALF AN INCH ARE POSSIBLE IN THE
SAPULPA AREA DURING THE NEXT 2 TO 3 HOURS.
 
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.
 
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 25, 9:00 PM CDT, 4 hours 34 minutes earlier.

Area forecast discussion, May 25, 9:00 PM CDT, 4 hours 34 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
900 PM CDT THU MAY 25 1995

AREA OF SCT RW W/FEW EMBEDDED TRW CONT TO MV ACRS CNTRL AND INTO
ERN OK THIS EVE. PRECIP HAS NOT BEEN TOO QUICK TO MV INTO FA AND
H85 ANALYSIS SHOWS REL MIN IN DW PTS NOSING DOWN INTO ERN OK.
APRS THAT FNT MAY STILL BE SAGGING S A BIT. HI PRES TO THE N IS
MVG OFF TO THE E AND WNDS IN AREAS ALNG KS BRDR ARE ALREADY TURNING
E.

AT 00Z BEST FLOW AT H85 WAS ACRS W TX BUT 12Z MDLS DID INDICATE THAT
GRAD SHLD INCRS SOME ACRS FA BY MRNG. PREV THINKING OF HIGHEST POPS IN
S STILL LOOKS OK. WL PROB LOWER POPS A LITTLE IN AR CNTYS AS WELL AS
ADJ CNTYS IN NE OK BUT OTRW PREV FCST LOOKS OK. ALTHO 00Z SNDGS DO NOT
SHOW TOO MUCH INSTABILITY WL STILL MENTION TRW.

12Z MDLS ALL SHOW FNT MVG N INTO FA BY 12Z FRI. NOT REAL CONFIDENT
WHETHER THAT WL HAPPEN AND IF SO HOW FAR N IT WL GET. FOR NOW WL MAKE
CHGS IN WNDS TO ACCOUNT FOR CRNT N-NE DIR AND THEN TURN THE WND TO SE
IN ZNS S OF I-40 AND TO THE E ELSEWHERE AS HI CONTS TO MV OFF TO
THE NE OF FA.

MESONET ALREADY SHOWING TEMPS AT FCST MINS IN NRN SCTNS. W/LOTS OF
CLD COVER TEMPS PROB WL NOT DROP MUCH. BUT WL LOWER MINS JUST A BIT
WHICH WL PUT THEM IN LINE W/MINS FROM LAST NGT.

07

.TUL...NONE.

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 11:15 AM CDTSevere Thunderstorm WarningTSASequoyah45 min
May 26, 11:24 AM CDTSevere Thunderstorm WarningTSAHaskell51 min
May 26, 11:56 AM CDTSevere Thunderstorm WarningTSALeFlore, Sequoyah64 min
May 26, 12:06 PM CDTTornado WarningTSADelaware14 min

Nearby

Flash Flood Warnings in Oklahoma, 1995Every flash flood warning in 1995

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; radar from the NEXRAD Level II archive.