Alert archive / Arkansas / Flash Flood Warnings in 2004

Flash Flood Warning 8, NWS Tulsa, OK

April 22, 2004Washington County, Arkansas

NWS Tulsa, OK issued this flash flood warning at Apr 22, 2004, 7:35 PM CDT for Washington 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: Apr 22, 2004, 7:35 PM CDT (00:35 UTC)
Expired: Apr 22, 2004, 11:00 PM CDT
In force: 3 hr
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Washington County, AR

The radar

The Western Arkansas radar (KSRX), 73 km from the middle of the area, began a volume at 00:36 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 00:00Z, 0.6 hours before the alert went out and 115 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: 112 J/kg
Mixed-layer CIN: -140 J/kg
Mixed-layer LCL: 785 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 336 m²/s²
0-3 km storm-relative helicity: 543 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KTSA 230036
FFWTUL
ARC143-230400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
735 PM CDT THU APR 22 2004

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  WASHINGTON COUNTY IN NORTHWEST ARKANSAS

* UNTIL 1100 PM CDT

* AT 730 PM RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN       
  MOVING THROUGH FRANKLIN COUNTY.  THUNDERSTORMS HAVE ALREADY
  DUMPED A COUPLE OF INCHES OF RAIN IN ISOLATED AREAS OF THE COUNTY.
  ANOTHER COUPLE OF INCHES OF RAIN IS LIKELY FROM ADDITIONAL 
  THUNDERSTORMS BY 1100 PM.

* SOME LOCATIONS THAT WILL BE MOST LIKELY TO BE AFFECTED BY THE      
  HEAVY RAIN INCLUDE MORROW...WEST FORK...ELKINS AND WEDINGTON. 

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 3578 9448 3578 9398 3625 9390 3612 9454

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 7:42 PM CDT	Tornado Warning	TSA	Washington	63 min
Apr 22, 8:54 PM CDT	Severe Thunderstorm Warning	TSA	Madison	66 min
Apr 22, 9:04 PM CDT	Severe Thunderstorm Warning	TSA	Washington	56 min
Apr 22, 9:33 PM CDT	Severe Thunderstorm Warning	TSA	Franklin	42 min
Apr 22, 9:47 PM CDT	Severe Thunderstorm Warning	TSA	Crawford	13 min
Apr 22, 9:50 PM CDT	Severe Thunderstorm Warning	TSA	Crawford	25 min
Apr 22, 9:51 PM CDT	Severe Thunderstorm Warning	TSA	Crawford	24 min
Apr 22, 9:56 PM CDT	Severe Thunderstorm Warning	TSA	Madison	64 min
Apr 22, 10:11 PM CDT	Severe Thunderstorm Warning	TSA	Franklin	64 min
Apr 22, 10:25 PM CDT	Severe Thunderstorm Warning	TSA	Sebastian	65 min
Apr 22, 11:16 PM CDT	Severe Thunderstorm Warning	TSA	Franklin	59 min
Apr 22, 11:24 PM CDT	Flash Flood Warning	TSA	Franklin, Madison	5 hr
Apr 23, 3:55 AM CDT	Flash Flood Warning	TSA	Franklin, Madison, Washington	3 hr
Apr 23, 6:58 AM CDT	Flash Flood Warning	TSA	Madison	4 hr
Apr 23, 9:36 AM CDT	Flash Flood Warning	TSA	Carroll	114 min
Apr 23, 5:15 PM CDT	Flash Flood Warning	TSA	Benton	4 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.