Alert archive / Oklahoma / Flash Flood Warnings in 1989

Flash Flood Warning 5, NWS Tulsa, OK

June 10, 1989Washington County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Jun 10, 1989, 10:44 PM CDT for Washington County, Oklahoma. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jun 10, 1989, 10:44 PM CDT (03:44 UTC)
Expired
Jun 11, 1989, 2:45 AM CDT
In force
4 hr
Issued by
NWS Tulsa, OK
Area
Whole counties

County Washington County, OK

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 3.7 hours before the alert went out and 188 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, Springfield, MO at 00:00Z on 1989-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 349 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, Springfield, MO at 00:00Z on 1989-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.19395878Sfc1 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
349 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
918 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 110346
FFWTUL
OKC147-110745-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
1044 PM CDT  JUN 10 1989
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  245 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTHEAST OKLAHOMA
          ...NORTHERN WASHINGTON
 
FLASH FLOODING CONTINUES IN NORTHERN WASHINGTON COUNTY WITH ADDITIONAL
RAINFALL OCCURRING IN THE NORTHERN HALF OF THE COUNTY. RAINFALL
ESTIMATES BASED ON RADAR AND SATELITTE INDICATE OVER 4 INCHES OF
RAIN HAVE FALLEN IN THE PAST SEVERAL HOURS. WHILE THE TOWN OF
BARTLESVILLE IS NOT IN IMMEDIATE DANGER FROM FLOODING...THE CANEY
RIVER MAY RISE RAPIDLY AS A RESULT OF THESE RAINS. ALL RESIDENTS
OF WASHINGTON COUNTY SHOULD REMAIN ALERT TO THE POSSIBILITY OF
FLASH FLOODING...AND SHOULD BE READY TO TAKE QUICK ACTION.
 
 
 
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.
 
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.

In the hours before

Local storm report, Jun 10, 9:08 PM CDT, 1 hour 36 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
907 PM CDT SAT JUN 10 1989

 TIME/CDT COUNTY      EVENT  (CD=CIVIL DEFENSE  OHP=OK HIGHWAY PAT'L)
 8 29 PM  WASHINGTON  A TORNADO BRIEFLY TOUCHED DOWN 4 MILES SOUTH/
                      WEST OF CANEY, KS...JUST INSIDE THE OKLAHOMA/
                      KANSAS STATE LINE. DAMAGE WAS CONFINED TO TREES
                      ONLY IN THAT AREA.

 8 15 PM  WASHINGTON  GOLFBALL SIZE HAIL REPORTED SOUTH OF CANEY, KS
                      JUST INSIDE THE OKLAHOMA/KANSAS BORDER ON THE
                      OKLAHOMA SIDE.
Local storm report, Jun 10, 9:33 PM CDT, 1 hour 11 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE TULSA, OK
931 PM CDT SAT JUN 10 1989

 TIME/CDT COUNTY      EVENT  (CD=CIVIL DEFENSE  OHP=OK HIGHWAY PAT'L)
 8 00 PM  OSAGE       60 MPH WIND REPORTED NEAR HULAH RESEVOIR BY OSAGE
                      COUNTY SHERIFF DEPT.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 7:49 PM CDTSevere Thunderstorm WarningTSAOsage56 min
Jun 10, 8:03 PM CDTSevere Thunderstorm WarningTSAWashington57 min
Jun 10, 8:24 PM CDTSevere Thunderstorm WarningTSAWashington51 min
Jun 10, 9:42 PM CDTFlash Flood WarningTSAWashington63 min
Jun 10, 10:21 PM CDTSevere Thunderstorm WarningTSANowata54 min
Jun 10, 10:24 PM CDTFlash Flood WarningTSANowata66 min
Jun 10, 10:35 PM CDTSevere Thunderstorm WarningTSACraig55 min
Jun 10, 11:11 PM CDTFlash Flood WarningTSANowata4 hr
Jun 11, 2:46 AM CDTFlash Flood WarningTSANowata, Washington4 hr

Nearby

Flash Flood Warnings in Oklahoma, 1989Every flash flood warning in 1989

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.