Alert archive / Oklahoma / Flash Flood Warnings in 2003

Flash Flood Warning 27, NWS Tulsa, OK

August 30, 2003Tulsa County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Aug 30, 2003, 9:10 AM CDT for Tulsa 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 outline as issued.

The facts

Issued
Aug 30, 2003, 9:10 AM CDT (14:10 UTC)
Expired
Aug 30, 2003, 1:00 PM CDT
In force
4 hr
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

County Tulsa County, OK

The radar

The Tulsa radar (KINX), 41 km from the middle of the area, began a volume at 14:11 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, 2.2 hours before the alert went out and 218 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, Springfield, MO at 12:00Z on 2003-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 302 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, Springfield, MO at 12:00Z on 2003-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
302 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
689 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
88 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 301414
FFWTUL
OKC143-301800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
910 AM CDT SAT AUG 30 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  SOUTHWEST TULSA COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 100 PM CDT

* AT 900 AM CDT MINOR FLOODING WAS REPORTED ALONG CREEKS AND STREAMS 
FLOWING INTO THE ARKANSAS RIVER. DUCK CREEK ALONG HIGHWAY 75 WAS 
BEGINNING TO OVERFLOW ITS BANKS AND FLOOD LOW LYING FARMLAND. RADAR 
AND SPOTTER REPORTS INDICATE THAT UP TO 6 INCHES OF RAIN HAS ALREADY 
FALLEN OVER THE WARNED AREA THIS MORNING. ALTHOUGH THE HEAVY 
RAINFALL HAS TAPERED OFF...RUNOFF FROM THIS MORNINGS RAINS WILL 
CONTINUE FOR THE NEXT SEVERAL HOURS AND MAY OVERRUN ROADWAYS NEAR 
CREEKS AND STREAM BEDS. 

* SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY MINOR CREEK AND 
STREAM FLOODING INCLUDE BIXBY...JENKS AND GLENPOOL.

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.

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 3609 9603 3586 9603 3586 9587 3609 9586

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 30, 5:27 AM CDTFlash Flood WarningTSACreek, Okmulgee, Tulsa3 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.