Alert archive / Oklahoma / Flash Flood Warnings in 2007

Flash Flood Warning 68, NWS Tulsa, OK

July 9, 2007Okfuskee County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Jul 9, 2007, 4:24 PM CDT for Okfuskee County, Oklahoma. It was in force for 4 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 9, 2007, 4:24 PM CDT (21:24 UTC)
Expired
Jul 9, 2007, 8:30 PM CDT
In force
4 hr
Issued by
NWS Tulsa, OK
Area
Whole counties

County Okfuskee County, OK

The radar

The Norman radar (KTLX), 88 km from the middle of the area, began a volume at 21:26 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.

What was reported inside it

TimeReportWhereRemark
Jul 9, 5:36 PM CDTFLASH FLOOD1 Sw Mason, OKWALNUT CREEK OUT OF ITS BANKS AND STARTING TO FLOOD A NEARBY ROAD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 9.4 hours before the alert went out and 101 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 12:00Z on 2007-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2056 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 12:00Z on 2007-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
2056 J/kg
Mixed-layer CIN
-55 J/kg
Mixed-layer LCL
795 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
126 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 092127
FFWTSA
OKC107-100130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
424 PM CDT MON JUL 9 2007

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  OKFUSKEE COUNTY IN EAST CENTRAL OKLAHOMA

* UNTIL 830 PM CDT

* AT 418 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH HEAVY RAIN ACROSS MUCH OF OKFUSKEE COUNTY WITH
  OTHER STORMS MOVING IN FROM THE WEST.

* LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY HEAVY RAIN
  INCLUDE...OKEMAH...MASON...AND OKFUSKEE.

WALNUT CREEK NEAR AND SOUTHWEST OF MASON HAD RECEIVED VERY HEAVY 
RUNOFF AND SHOULD BE RISING RAPIDLY AND IS EXPECTED TO LEAVE ITS
BANKS.  OTHER CREEKS AND LOW-LYING AREAS ARE ALSO LIKELY TO 
EXPERIENCE FLOODING DURING THE HEAVY RAIN.

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 3556 9619 3555 9609 3539 9609 3538 9598
      3531 9598 3531 9641 3548 9644 3547 9654
      3544 9657 3541 9655 3541 9660 3563 9659
      3564 9619

$$
2 follow-up statements
000 
WGUS74 KTSA 092349
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
643 PM CDT MON JUL 9 2007

OKC107-100130-
OKFUSKEE OK-
643 PM CDT MON JUL 9 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
OKFUSKEE COUNTY...

AT 700 PM CDT...THE RAIN AND THUNDERSTORMS WERE DIMINISHING 
ACROSS OKFUSKEE COUNTY AFTER RADAR ESTIMATED THAT 3 TO 4 INCHES
OF RAIN FELL IN THE NORTHWEST PART OF THE COUNTY.  WALNUT CREEK
NEAR MASON FLOODED FOR A TIME.

WATER LEVELS ON CREEKS AND LOW-LYING AREAS WILL CONTINUE TO GO 
DOWN AS THE RAIN ENDS FROM THE NORTHWEST.  AT THIS TIME WE 
EXPECT THE FLASH FLOOD WARNING TO BE ALLOWED TO EXPIRE AT
830 PM.

UNTIL ALL THE WATER RECEDES...REMEMBER...DO NOT DRIVE YOUR VEHICLE 
INTO AREAS WHERE WATER COVERS THE ROAD TO UNKNOWN DEPTHS. TAKE A 
DIFFERENT ROUTE TO REACH YOUR DESTINATION.

LAT...LON 3556 9619 3555 9609 3539 9609 3538 9598
      3531 9598 3531 9641 3548 9644 3547 9654
      3544 9657 3541 9655 3541 9660 3563 9659
      3564 9619

$$
000 
WGUS74 KTSA 100132
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
832 PM CDT MON JUL 9 2007

OKC107-100142-
OKFUSKEE OK-
832 PM CDT MON JUL 9 2007

...THE FLASH FLOOD WARNING FOR OKFUSKEE COUNTY EXPIRED AT 830 PM
CDT...

THE HEAVY RAINFALL HAS ENDED ACROSS THE WARNED AREA...THEREFORE THE 
FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 3556 9619 3555 9609 3539 9609 3538 9598
      3531 9598 3531 9641 3548 9644 3547 9654
      3544 9657 3541 9655 3541 9660 3563 9659
      3564 9619

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 3:20 PM CDTSpecial Weather StatementTSAOkfuskee, Okmulgee, Tulsa55 min
Jul 9, 3:42 PM CDTSevere Thunderstorm WarningTSAOkfuskee63 min
Jul 9, 3:55 PM CDTSevere Thunderstorm WarningTSACreek, Okmulgee, Tulsa51 min
Jul 9, 4:18 PM CDTSevere Thunderstorm WarningTSAMuskogee, Wagoner57 min
Jul 9, 4:24 PM CDTSevere Thunderstorm WarningTSAOkfuskee, Okmulgee28 min
Jul 9, 4:43 PM CDTSevere Thunderstorm WarningTSAMcIntosh62 min
Jul 9, 4:52 PM CDTTornado WarningTSAMcIntosh23 min
Jul 9, 4:57 PM CDTSevere Thunderstorm WarningTSAHaskell, Muskogee, Sequoyah63 min
Jul 9, 5:22 PM CDTSpecial Weather StatementTSAMuskogee38 min
Jul 9, 5:33 PM CDTSpecial Weather StatementTSAMcIntosh57 min
Jul 9, 5:48 PM CDTSpecial Weather StatementTSAOsage27 min
Jul 9, 5:49 PM CDTSpecial Weather StatementTSAPushmataha56 min
Jul 9, 5:51 PM CDTSpecial Weather StatementTSAHaskell54 min
Jul 9, 5:59 PM CDTSevere Thunderstorm WarningTSAOsage46 min
Jul 9, 6:01 PM CDTSpecial Weather StatementTSASequoyah59 min
Jul 9, 6:12 PM CDTSpecial Weather StatementTSADelaware63 min
Jul 9, 6:20 PM CDTSevere Thunderstorm WarningTSACraig, Delaware, Mayes55 min
Jul 9, 6:45 PM CDTSpecial Weather StatementTSALatimer60 min
Jul 9, 6:46 PM CDTSpecial Weather StatementTSAPushmataha59 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.