Alert archive / Oklahoma / Flash Flood Warnings in 2003

Flash Flood Warning 29, NWS Tulsa, OK

August 31, 20034 counties in Oklahoma

NWS Tulsa, OK issued this flash flood warning at Aug 31, 2003, 4:54 AM CDT for 4 counties in 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 outline as issued.

The facts

Issued
Aug 31, 2003, 4:54 AM CDT (09:54 UTC)
Expired
Aug 31, 2003, 9:00 AM CDT
In force
4 hr
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

Counties Creek County, OK, Okmulgee County, OK, Rogers County, OK, Tulsa County, OK

The radar

The Tulsa radar (KINX), 26 km from the middle of the area, began a volume at 09:54 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, 9.9 hours before the alert went out and 177 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 2003-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1231 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, Norman, OK at 00:00Z on 2003-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.1939Sfc1 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
1231 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
841 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KTSA 310954
FFWTUL
OKC037-111-131-143-311400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
454 AM CDT SUN AUG 31 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  EASTERN CREEK COUNTY IN NORTHEAST OKLAHOMA
  NORTHWESTERN OKMULGEE COUNTY IN NORTHEAST OKLAHOMA
  ROGERS COUNTY IN NORTHEAST OKLAHOMA
  TULSA COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 900 AM CDT

* AT 454 AM CDT RADAR INDICATED THUNDERSTORMS WITH HEAVY RAIN OVER 
MUCH OF THE WARNED AREA...MOVING NORTH AT 15 MPH. RADAR INDICATES 
THAT BETWEEN 2 TO 4 INCHES OF RAIN HAS FALLEN OVERNIGHT ON ALREADY 
SATURATED GROUND. PERIODS OF MODERATE TO HEAVY RAINFALL WILL 
CONTINUE THIS MORNING...WITH ANOTHER 1 TO 2 INCHES POSSIBLE THROUGH 
900 AM CDT.

* SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
  INCLUDE CLAREMORE...CATOOSA...VERDIGRIS...TIAWAH...FOYIL...
  OOLOGAH...TALALA...CHELSEA...BEGGS...TULSA...SAND SPRINGS...
  BIXBY...JENKS...OWASSO...GLENPOOL...SPERRY...SKIATOOK...
  COLLINSVILLE...BROKEN ARROW...MOUNDS...KIEFER...KELLYVILLE AND
  SAPULPA.

HEAVY RAINS FLOOD ROADS AND LOW LYING AREAS RAPIDLY...SO DO NOT DRIVE
YOUR VEHICLE INTO AREAS WHERE WATER OF AN UNKNOWN DEPTH COVERS THE
ROAD. 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 3617 9545 3617 9579 3589 9578 3563 9616
          3588 9624 3618 9622 3618 9602 3645 9602
          3644 9581 3660 9582 3661 9541

$$
2 follow-up statements
000 
WGUS74 KTSA 311146
FFSTUL
OKC037-111-131-143-311400-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
641 AM CDT SUN AUG 31 2003

...FLASH FLOOD WARNING CONTINUES FOR ROGERS...TULSA...EASTERN CREEK 
AND NORTHWESTERN OKMULGEE COUNTIES UNTIL 900 AM CDT...

AT 641 AM CDT...DOPPLER RADAR CONTINUED TO SHOW SCATTERED SHOWERS 
AND THUNDERSTORMS OVER THE WARNED AREA...MOVING NORTHEAST AT 15 MPH. 
RAINFALL INTENSITIES HAVE TEMPORARILY DECREASED...BUT ADDITIONAL 
SHOWERS AND THUNDERSTORMS OVER SOUTHERN OKLAHOMA ARE EXPECTED TO 
SPREAD INTO THE WARNED AREA THROUGH MID-MORNING. ANOTHER 1 TO 2 INCHES 
OF RAIN WILL BE POSSIBLE THROUGH 900 AM CDT.

SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
INCLUDE LIBERTY...GRAY...CLAREMORE...CATOOSA...VERDIGRIS...TIAWAH...
FOYIL...OOLOGAH...BUSHYHEAD...TALALA...CHELSEA...BEGGS...
HECTORVILLE...TULSA...SAND SPRINGS...LEONARD...BIXBY...JENKS...
OWASSO...GLENPOOL...SPERRY...SKIATOOK...COLLINSVILLE...BROKEN
ARROW...MOUNDS...KIEFER...KELLYVILLE AND SAPULPA.

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 3617 9545 3617 9579 3589 9578 3563 9616
          3588 9624 3618 9622 3618 9602 3645 9602
          3644 9581 3660 9582 3661 9541

$$
000 
WGUS74 KTSA 311345
FFSTUL
OKC037-111-131-143-311400-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
843 AM CDT SUN AUG 31 2003

...CANCELLATION OF FLASH FLOOD WARNING FOR ROGERS...TULSA...CREEK 
    AND OKMULGEE COUNTIES...

AT 842 AM CDT...RADAR SHOWED LIGHT TO MODERATE RAIN OVER CREEK 
COUNTY...WITH ONLY SCATTERED LIGHT RAIN OVER TULSA...OKMULGEE AND 
ROGERS COUNTIES.  RADAR TRENDS AND SATELLITE IMAGERY INDICATE THE 
PRECIPITATION WILL CONTINUE TO DIMINISH IN INTENSITY.  THEREFORE THE 
FLASH FLOOD WARNING FOR IS CANCELLED.  

AREAS OF LIGHT TO MODERATE RAIN ARE EXPECTED TO CONTINUE FOR THE 
THROUGH MIDDAY...GENERALLY ALONG AND NORTHWEST OF INTERSTATE 44. 

LAT...LON 3618 9601 3661 9586 3656 9538 3610 9551
          3617 9576 3555 9576 3538 9588 3538 9608
          3564 9617 3564 9662 3617 9663

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 31, 1:02 AM CDTFlash Flood WarningTSACreek, Tulsa4 hr

Nearby

Flash Flood Warnings in Oklahoma, 2003Every flash flood warning in 2003

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.