Alert archive / Oklahoma / Flash Flood Warnings in 2004

Flash Flood Warning 36, NWS Tulsa, OK

July 7, 2004LeFlore County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Jul 7, 2004, 7:54 AM CDT for LeFlore 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: Jul 7, 2004, 7:54 AM CDT (12:54 UTC)
Expired: Jul 7, 2004, 10:00 AM CDT
In force: 2 hr
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County LeFlore County, OK

The radar

The Western Arkansas radar (KSRX), 47 km from the middle of the area, began a volume at 12:57 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

Springfield, MO (KSGF), launched 12:00Z, 0.9 hours before the alert went out and 230 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 892 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 127 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 071255
FFWTUL
OKC079-071500-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
754 AM CDT WED JUL 7 2004

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  NORTHERN AND CENTRAL LE FLORE COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 1000 AM CDT

* AT 751 AM CDT RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN
OVER NORTHERN AND CENTRAL PARTS OF LE FLORE COUNTY.  RADAR INDICATES 
THAT 2 TO 4 INCHES OF RAIN HAS ALREADY FALLEN OVER THE WARNED AREA. 
ANOTHER 1 TO 2 INCHES WILL BE POSSIBLE.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO 
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO 
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. 
REMEMBER...MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.

LAT...LON 3502 9460 3517 9495 3480 9488 3482 9446

$$

2 follow-up statements

000 
WGUS74 KTSA 071402
FFSTUL
OKC079-071500-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
900 AM CDT WED JUL 7 2004

...FLASH FLOOD WARNING CONTINUES FOR LE FLORE COUNTY UNTIL 1000 AM
   CDT...

AT 900 AM CDT...RADAR CONTINUED TO SHOW THUNDERSTORMS WITH VERY HEAVY
RAIN OVER CENTRAL AND PARTS OF SOUTHERN LE FLORE COUNTY...MOVING 
SOUTHEAST AT 20 MPH.

RADAR INDICATES THAT 2 TO 3 INCHES OF RAIN HAS ALREADY FALLEN OVER 
THE WARNED AREA IN THE LAST HOUR...FROM SOUTH OF SUMMERFIELD TOWARD 
BENGAL AND TALIHINA.  ANOTHER 1 TO 2 INCHES WILL BE POSSIBLE THROUGH 
1000 AM CDT.

SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN 
INCLUDE MUSE...WHITESBORO...TALIHINA...HODGEN...SUMMERFIELD...AND 
WISTER.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR IS
OCCURRING. RESIDENTS LIVING ALONG STREAMS...CREEKS AND DRAINAGE
DITCHES SHOULD BE READY TO TAKE IMMEDIATE ACTION IF FLOODING IS
OBSERVED. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATER BY FOOT OR BY
AUTO...YOU MAY BE SWEPT AWAY BY THE STRONG CURRENT. IT ONLY TAKES TWO
FEET OF RUSHING WATER TO CARRY AWAY MOST SPORT UTILITY VEHICLES AND
PICKUPS. TAKE A DIFFERENT ROUTE TO REACH YOUR DESTINATION OR WAIT
UNTIL THE WATER RECEDES.

LAT...LON 3484 9506 3470 9506 3462 9445 3518 9445
          3520 9488

$$

000 
WGUS74 KTSA 071505
FFSTUL
OKC079-071520-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1005 AM CDT WED JUL 7 2004

...FLASH FLOOD WARNING FOR LE FLORE COUNTY HAS EXPIRED...

AT 1000 AM CDT...RADAR SHOWED THAT THE HEAVY RAIN HAD MOVED OUT OF 
LE FLORE COUNTY.  LIGHT RAIN WAS STILL INDICATED OVER FAR SOUTHERN 
PORTIONS OF THE COUNTY.  

RAINFALL AMOUNTS OVER BETWEEN 9 AND 10 AM HAVE BEEN LESS THAN 1 
INCH...AND ADDITIONAL RAINFALL IS EXPECTED TO REMAIN LIGHT.  

THERE HAVE BEEN NO REPORTS OF FLOODING AT THIS TIME...AND ANY 
REMAINING HIGH WATER SHOULD DRAIN AWAY QUICKLY. 

LAT...LON 3471 9501 3453 9486 3453 9445 3521 9445
          3532 9476

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 5:17 AM CDT	Severe Thunderstorm Warning	TSA	Okfuskee, Okmulgee	43 min
Jul 7, 5:54 AM CDT	Severe Thunderstorm Warning	TSA	McIntosh	51 min
Jul 7, 6:54 AM CDT	Severe Thunderstorm Warning	TSA	LeFlore	51 min
Jul 7, 7:43 AM CDT	Severe Thunderstorm Warning	TSA	Latimer, LeFlore	47 min
Jul 7, 8:42 AM CDT	Flash Flood Warning	TSA	Latimer	3 hr

Nearby

Flash Flood Warnings in Oklahoma, 2004 Every flash flood warning in 2004

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.