Alert archive / Oklahoma / Flash Flood Warnings in 2002

Flash Flood Warning 28, NWS Tulsa, OK

April 16, 2002Pushmataha County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Apr 16, 2002, 9:40 PM CDT for Pushmataha County, Oklahoma. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 16, 2002, 9:40 PM CDT (02:40 UTC)
Expired
Apr 16, 2002, 11:45 PM CDT
In force
2 hr
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

County Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 131 km from the middle of the area, began a volume at 02:39 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, 2.7 hours before the alert went out and 191 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 2002-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1660 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2002-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 253 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
1660 J/kg
Mixed-layer CIN
-114 J/kg
Mixed-layer LCL
1179 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
253 m²/s²
0-3 km storm-relative helicity
336 m²/s²
Significant tornado parameter
1.0
Supercell composite
7.7

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KTSA 170240
FFWTUL
OKC127-170445-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
938 PM CDT TUE APR 16 2002

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  NORTHERN PUSHMATAHA COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 1145 PM CDT

* AT 938 PM CDT RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN 
ACROSS NORTHERN PUSHMATAHA COUNTY...EXTENDING FROM 10 MILES WEST OF 
DUNBAR TO ALBION. RADAR INDICATES THAT 1 TO 2 INCHES OF RAIN HAS 
ALREADY FALLEN OVER THE WARNED AREA. ANOTHER 1 TO 2 INCHES WILL BE 
POSSIBLE THROUGH 1145 PM CDT. 

* SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
  INCLUDE CLAYTON...STANLEY...TUSKAHOMA...KIAMICHI...ALBION AND
  DUNBAR.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS 
IMMINENT. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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.
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO
HIGHER GROUND.

LAT...LON 3451 9578 3440 9578 3459 9497 3470 9506
2 follow-up statements
000 
WGUS74 KTSA 170340
FFSTUL
OKC127-170430-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1040 PM CDT TUE APR 16 2002

...FLASH FLOOD WARNING CONTINUES FOR NORTHERN PUSHMATAHA COUNTY 
UNTIL 1130 PM CDT...

AT 1035 PM CDT...RADAR CONTINUED TO SHOW THUNDERSTORMS WITH VERY
HEAVY RAIN 5 MILES SOUTHEAST OF ALBION...MOVING EAST AT 20 MPH.

RADAR INDICATES THAT 1 TO 3 INCHES OF RAIN HAS ALREADY FALLEN OVER 
THE WARNED AREA. ANOTHER INCH WILL BE POSSIBLE THROUGH 1130 PM CDT.

SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN 
INCLUDE ALBION AND RURAL AREAS OF NORTHEAST PUSHMATAHA COUNTY. 

ALTHOUGH HEAVY RAINS HAVE MOVED INTO THE FAR NORTHEAST PART 
PUSHMATAHA COUNTIES...RUNOFF PROBLEMS MAY CONTINUE THROUGH THE NEXT 
HOUR. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

LAT...LON 3451 9579 3438 9578 3447 9505 3471 9502
          3466 9545
000 
WGUS74 KTSA 170447
FFSTUL
OKC127-170450-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1147 PM CDT TUE APR 16 2002

...FLASH FLOOD WARNING FOR NORTHERN PUSHMATAHA COUNTY HAS EXPIRED...

THUNDERSTORMS AND THE ASSOCIATED HEAVY RAIN HAVE MOVED OUT OF 
PUSHMATAHA COUNTY.  ALTHOUGH THE RAIN THREAT HAS ENDED...LOW WATER 
CROSSINGS MAY CONTINUE TO BE FLOODED.  MOTORISTS ARE URGED TO 
EXERCISE CAUTION ESPECIALLY ON RURAL ROADWAYS.

LAT...LON 3451 9579 3438 9578 3447 9505 3471 9502
          3466 9545

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 8:43 PM CDTTornado WarningTSAPushmataha47 min
Apr 16, 9:31 PM CDTTornado WarningTSAPushmataha44 min

Nearby

Flash Flood Warnings in Oklahoma, 2002Every flash flood warning in 2002

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.