Alert archive / Oklahoma / Flash Flood Warnings in 2005

Flash Flood Warning 21, NWS Norman, OK

August 15, 2005Carter County, Jefferson County, Stephens County, Oklahoma

NWS Norman, OK issued this flash flood warning at Aug 15, 2005, 1:15 AM CDT for Carter County, Jefferson County, Stephens 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 15, 2005, 1:15 AM CDT (06:15 UTC)
Expired
Aug 15, 2005, 5:30 AM CDT
In force
4 hr
Issued by
NWS Norman, OK
Area
Counties, with a storm outline in the text

Counties Carter County, OK, Jefferson County, OK, Stephens County, OK

The radar

The Norman radar (KTLX), 123 km from the middle of the area, began a volume at 06:19 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

Fort Worth, TX (KFWD), launched 00:00Z, 6.3 hours before the alert went out and 161 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, Fort Worth, TX at 00:00Z on 2005-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 907 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, Fort Worth, TX at 00:00Z on 2005-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
907 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
1845 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
16 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 KOUN 150618
FFWOUN
OKC019-067-137-151030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORMAN OK
115 AM CDT MON AUG 15 2005

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN AND NORTHERN CARTER COUNTY IN SOUTHERN OKLAHOMA
  JEFFERSON COUNTY IN SOUTHERN OKLAHOMA
  SOUTHEASTERN STEPHENS COUNTY IN SOUTHERN OKLAHOMA

* UNTIL 530 AM CDT

* AT 115 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  SHOWERS WITH HEAVY RAINFALL MOVING ACROSS NORTHERN JEFFERSON...
  SOUTHEASTERN STEPHENS AND WESTERN CARTER COUNTIES. THESE 
  SHOWERS WERE MOVING NORTHEAST AT 25 MPH AND ARE PRODUCING 
  ADDITIONAL RAIN MORE THAN ONE INCH PER HOUR IN AREAS THAT RECEIVED 
  3 TO 5 INCHES OF RAIN ON SUNDAY.

* LOCATIONS IN THE WARNING INCLUDE CORNISH...GRAHAM...HEALDTON...  
  LOCO...MILO...POOLEVILLE...RINGLING...SUGDEN...WAURIKA AND WILSON

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...COUNTY ROADS...NORMALLY DRY WASHES...AND FARM 
LAND ALONG THE BANKS OF CREEKS AND STREAMS. SOME CREEKS THAT WILL 
LIKELY EXPERIENCE FLOODING INCLUDE CROOKED CREEK...MOUNTAIN 
CREEK...MUD CREEK AND NORTH MUD CREEK IN JEFFERSON AND STEPHENS 
COUNTIES...AND WHISKY CREEK...CADDO CREEK AND RED BRANCH IN CARTER 
COUNTY.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER 
COVERS THE ROADWAY. AS LITTLE AS 6 INCHES OF WATER MAY CAUSE YOU TO 
LOSE CONTROL OF YOUR VEHICLE. TWO FEET OF RUSHING WATER CAN CARRY 
AWAY MOST VEHICLES INCLUDING SUVS AND PICKUP TRUCKS. VEHICLES CAUGHT 
IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.

LAT...LON 3420 9802 3402 9801 3413 9734 3438 9714
      3439 9734 3448 9734

$$

...SPEG.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 10:19 PM CDTFlash Flood WarningOUNCarter, Jefferson, Stephens3 hr
Aug 14, 10:34 PM CDTFlash Flood WarningOUNPottawatomie, Seminole3 hr
Aug 14, 11:53 PM CDTFlash Flood WarningOUNGarvin, Murray, Pontotoc3 hr
Aug 15, 1:30 AM CDTFlash Flood WarningOUNSeminole5 hr
Aug 15, 2:58 AM CDTFlash Flood WarningOUNGarvin, Murray, Pontotoc3 hr
Aug 15, 6:10 AM CDTFlash Flood WarningOUNMurray110 min

Nearby

Flash Flood Warnings in Oklahoma, 2005Every flash flood warning in 2005

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.