Alert archive / Oklahoma / Flash Flood Warnings in 2001

Flash Flood Warning 39, NWS Tulsa, OK

December 16, 2001Choctaw County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Dec 16, 2001, 12:39 AM CST for Choctaw County, Oklahoma. It was in force for 4 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
Dec 16, 2001, 12:39 AM CST (06:39 UTC)
Expired
Dec 16, 2001, 4:30 AM CST
In force
4 hr
Issued by
NWS Tulsa, OK
Area
Whole counties

County Choctaw County, OK

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 6.7 hours before the alert went out and 209 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, Fort Worth, TX at 00:00Z on 2001-12-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLEL10008507005003002001001 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, Fort Worth, TX at 00:00Z on 2001-12-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 497 square meters per square second.1939587897117136Sfc1 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
4 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
420 m above ground
0-6 km bulk shear
88 kt
0-1 km storm-relative helicity
497 m²/s²
0-3 km storm-relative helicity
448 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 
WGUS54 KTSA 160639
FFWTUL
OKC023-161030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
1239 AM CST SUN DEC 16 2001

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  CHOCTAW COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 430 AM CST

* AT 1239 AM CST...RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY     
  RAIN OVER MUCH OF CHOCTAW COUNTY MOVING SLOWLY TO THE              
  NORTHEAST. FLOODING HAS BEEN REPORTED IN THE VICINITY OF HUGO.

  RADAR INDICATES THAT 2 TO 3 INCHES OF RAIN HAS ALREADY FALLEN      
  OVER THE WARNED AREA. ANOTHER 1 TO 2 INCHES WILL BE POSSIBLE       
  THROUGH 430 AM CST.

* SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
  INCLUDE HUGO...GOODLAND...SAWYER...FORT TOWSON...SOPER...MESSER AND
  KENT.

DONT DRIVE VEHICLES INTO AREAS WHERE WATER COVERS THE ROADWAY...THE 
WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. 
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY...MOVE 
TO HIGHER GROUND. 

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.

$$

MANNING

LAT...LON 3391 9575 3391 9521 3415 9515 3416 9574
2 follow-up statements
000 
WGUS74 KTSA 160836
FFSTUL
OKC023-161030-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
234 AM CST SUN DEC 16 2001

...FLASH FLOOD WARNING CONTINUES FOR CHOCTAW COUNTY UNTIL 430 AM 
CST...

AT 234 AM CST...DOPPLER RADAR CONTINUED TO SHOW THUNDERSTORMS WITH 
VERY HEAVY RAIN OVER MUCH OF CHOCTAW COUNTY MOVING TO THE NORTHEAST. 
ADDITIONAL SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN OVER NORTHEAST 
TEXAS WERE ALSO MOVING NORTHEAST TOWARD THE AREA...ADDING ADDITIONAL 
RAINFALL ON ALREADY SATURATED SOIL. 

FLOODING WAS REPORTED BY LAW ENFORCEMENT OFFICIALS EAST OF HUGO 
AROUND 120 AM. 

RADAR INDICATES THAT 3 TO 4 INCHES OF RAIN HAS ALREADY FALLEN OVER 
THE WARNED AREA. ANOTHER INCH OF RAIN WILL BE POSSIBLE THROUGH 430 
AM CST.

SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
INCLUDE HUGO...FROGVILLE...GRANT...GAY...GOODLAND...SAWYER...FORT
TOWSON...SWINK...BOSWELL...UNGER...SOPER...MESSER...KENT...SOBOL...
HUSKEY...FALLON...SPEER AND APPLE.

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID
CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.

$$

MANNING
000 
WGUS74 KTSA 160946
FFSTUL
OKC023-161030-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
345 AM CST SUN DEC 16 2001

...FLASH FLOOD WARNING CONTINUES FOR CHOCTAW COUNTY UNTIL 430 AM
   CST...

AT 345 AM CST...RADAR CONTINUED TO SHOW THUNDERSTORMS WITH VERY HEAVY
RAIN OVER MUCH OF CHOCTAW COUNTY MOVING SLOWLY NORTHEAST. ADDITIONAL 
SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE LOCATED OVER 
NORTHEAST TEXAS MOVING TOWARD THE AREA.  

AT 310 AM CST...THE CHOCTAW COUNTY SHERIFFS OFFICE REPORTED THAT 
HIGHWAY 109 NEAR FROGVILLE WAS IMPASSABLE DUE TO HIGH WATER. 

RADAR INDICATES THAT 2 TO 4 INCHES OF RAIN HAS ALREADY FALLEN OVER 
THE WARNED AREA. ANOTHER INCH WILL BE POSSIBLE THROUGH 430 AM CST. 
ADDITIONAL SHOWER AND THUNDERSTORM ACTIVITY OVER NORTH TEXAS WILL 
MOVE INTO THE AREA DURING THE MORNING HOURS...AND THIS WILL ONLY 
WORSEN EXISTING FLOODING CONDITIONS. 

SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
INCLUDE HUGO...ORD...FROGVILLE...GRANT...GAY...GOODLAND...SAWYER...
FORT TOWSON...SWINK...BOSWELL...UNGER...SOPER...MESSER...KENT...
SOBOL...HUSKEY...FALLON...SPEER AND APPLE.

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID
CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.

$$

MANNING

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 16, 1:21 AM CSTFlash Flood WarningTSAPushmataha4 hr
Dec 16, 4:26 AM CSTFlash Flood WarningTSAChoctaw, Latimer, Pushmataha3 hr
Dec 16, 3:40 PM CSTFlash Flood WarningTSAChoctaw, Latimer, LeFlore, Pushmataha4 hr

Nearby

Flash Flood Warnings in Oklahoma, 2001Every flash flood warning in 2001

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.