Alert archive / Oklahoma / Flash Flood Warnings in 2007

Flash Flood Warning 72, NWS Tulsa, OK

July 10, 2007Choctaw County, Pushmataha County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Jul 10, 2007, 5:46 AM CDT for Choctaw County, Pushmataha County, Oklahoma. It was in force for 6 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
Jul 10, 2007, 5:46 AM CDT (10:46 UTC)
Expired
Jul 10, 2007, 11:45 AM CDT
In force
6 hr
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Choctaw County, OK, Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 156 km from the middle of the area, began a volume at 10:46 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, 10.8 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, Norman, OK at 00:00Z on 2007-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3020 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 2007-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 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
3020 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1274 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.8
Supercell composite
7.9

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KTSA 101046
FFWTSA
OKC023-127-101645-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
546 AM CDT TUE JUL 10 2007

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHOCTAW COUNTY IN SOUTHEAST OKLAHOMA
  PUSHMATAHA COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 1145 AM CDT

* AT 544 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH HEAVY RAIN ALONG A LINE EXTENDING FROM 14 MILES
  NORTHWEST OF MOYERS TO 8 MILES SOUTH OF BOSWELL...MOVING EAST AT 15
  MPH. RADAR INDICATES THAT 2 INCHES OF RAIN HAS ALREADY FALLEN.     
  ANOTHER 2 TO 3 INCHES WILL BE POSSIBLE THROUGH 1145 AM CDT.

* LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY HEAVY RAIN
  INCLUDE...SOPER...KELLOND...KENT...KOSOMA...ANTLERS...DUNBAR...
  GOODLAND...HUGO...STANLEY...MESSER...SNOW...RATTAN...SAWYER...
  OLETA...CLAYTON...CLOUDY...TUSKAHOMA...FORT TOWSON...NASHOBA...
  KIAMICHI AND ALBION.

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 3469 9550 3461 9552 3450 9579 3416 9579
      3415 9595 3392 9593 3391 9517 3467 9497

$$
2 follow-up statements
000 
WGUS74 KTSA 101330
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
826 AM CDT TUE JUL 10 2007

OKC023-127-101645-
CHOCTAW OK-PUSHMATAHA OK-
826 AM CDT TUE JUL 10 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR
PUSHMATAHA AND CHOCTAW COUNTIES...

AT 825 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH HEAVY RAIN CONTINUING ACROSS MUCH OF PUSHMATAHA 
AND CHOCTAW COUNTIES.  THE SHOWER AND THUNDERSTORM ACTIVITY WAS 
MOVING TO THE EAST AT 20 MPH. RADAR INDICATES THAT 2 TO 5 INCHES OF 
RAIN HAS ALREADY FALLEN...WITH ANOTHER 1 TO 2 INCHES POSSIBLE 
THROUGH 1145 AM CDT.  SOUTHERN PUSHMATAHA AND NORTHEASTERN CHOCTAW 
COUNTIES ARE THE MOST LIKELY AREAS TO HAVE EXPERIENCED FLASH 
FLOODING.

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

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES TWO FEET OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN TULSA.

LAT...LON 3469 9550 3461 9552 3450 9579 3416 9579
      3415 9595 3392 9593 3391 9517 3467 9497

$$
000 
WGUS74 KTSA 101650
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1147 AM CDT TUE JUL 10 2007

OKC023-127-101657-
CHOCTAW OK-PUSHMATAHA OK-
1147 AM CDT TUE JUL 10 2007

...THE FLASH FLOOD WARNING FOR PUSHMATAHA AND CHOCTAW COUNTIES
EXPIRES AT 1145 AM CDT...

THE WIDESPREAD HEAVY RAINFALL HAS ENDED ACROSS THE WARNED 
AREA...THEREFORE THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE.
SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE ACROSS BOTH PUSHMATAHA 
AND CHOCTAW COUNTIES...MOVING EAST AT 20 MPH.  WHILE LOCALLY HEAVY 
RAINFALL WILL BE POSSIBLE WITH ANY THUNDERSTORM...THE WIDESPREAD 
RAINS HAVE ENDED THUS DECREASING THE FLASH FLOOD POTENTIAL.  

WHILE ANY FLOOD WATERS HAVE LIKELY RECEEDED...ROADWAYS MAY HAVE 
EXPERIENCED DAMAGE ESPECIALLY ACROSS SOUTHERN PUSHMATAHA COUNTY 
WHERE THE HEAVIEST RAINS FELL.  MOTORISTS SHOULD REMAIN ALERT FOR 
THIS POTENTIAL.

TO REPORT PREVIOUS FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
TULSA.

LAT...LON 3469 9550 3461 9552 3450 9579 3416 9579
      3415 9595 3392 9593 3391 9517 3467 9497

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 7:14 PM CDTSevere Thunderstorm WarningTSAChoctaw, Pushmataha61 min
Jul 9, 10:00 PM CDTSevere Thunderstorm WarningTSAChoctaw60 min
Jul 9, 10:05 PM CDTSpecial Weather StatementTSAWashington55 min
Jul 9, 11:19 PM CDTFlash Flood WatchTSAAdair, Cherokee, Choctaw, Craig, Creek, Delaware and 16 more19 hr
Jul 9, 11:21 PM CDTFlash Flood WarningTSACreek6 hr
Jul 10, 12:11 AM CDTFlash Flood WarningTSAOkfuskee6 hr
Jul 10, 12:42 AM CDTSpecial Weather StatementTSAOkfuskee63 min
Jul 10, 5:09 AM CDTFlash Flood WarningTSACreek6 hr

Nearby

Flash Flood Warnings in Oklahoma, 2007Every flash flood warning in 2007

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.