Alert archive / Arkansas / Flash Flood Warnings in 2004

Flash Flood Warning 34, NWS Tulsa, OK

July 4, 2004Benton County, Arkansas

NWS Tulsa, OK issued this flash flood warning at Jul 4, 2004, 7:46 AM CDT for Benton County, Arkansas. It was in force for 3 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: Jul 4, 2004, 7:46 AM CDT (12:46 UTC)
Expired: Jul 4, 2004, 11:00 AM CDT
In force: 3 hr
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Benton County, AR

The radar

The Tulsa radar (KINX), 115 km from the middle of the area, began a volume at 12:49 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, 0.8 hours before the alert went out and 73 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1470 J/kg
Mixed-layer CIN: -112 J/kg
Mixed-layer LCL: 1244 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KTSA 041248
FFWTUL
ARC007-041600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
746 AM CDT SUN JUL 4 2004

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  BENTON COUNTY IN NORTHWEST ARKANSAS

* UNTIL 1100 AM CDT

* AT 746 AM CDT RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN
  ALONG A LINE EXTENDING FROM 5 MILES NORTH OF BELLA VISTA TO        
  GENTRY...MOVING SOUTHEAST AT 40 MPH. RADAR INDICATES THAT 3 TO 5   
  INCHES OF RAIN HAS FALLEN OVER BENTON COUNTY IN THE LAST 36        
  HOURS. ANOTHER 2 INCHES WILL BE POSSIBLE THROUGH 1100 AM CDT IN    
  ASSOCIATION WITH THESE STORMS.

* SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
  INCLUDE BENTONVILLE...ROGERS...LOWELL...GENTRY...GRAVETTE...PEA
  RIDGE...GATEWAY...SPRINGTOWN...HIGHFILL...CAVE SPRINGS...WAR
  EAGLE...DECATUR...HIWASSE...BELLA VISTA AND GARFIELD.

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 3649 9460 3622 9459 3623 9393 3649 9384

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 4, 7:17 AM CDT	Severe Thunderstorm Warning	TSA	Benton	73 min
Jul 4, 8:06 AM CDT	Severe Thunderstorm Warning	TSA	Carroll	54 min
Jul 4, 8:22 AM CDT	Flash Flood Warning	TSA	Carroll	3 hr

Nearby

Flash Flood Warnings in Arkansas, 2004 Every flash flood warning in 2004

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.