Alert archive / Arkansas / Tornado Warnings in 2004

Tornado Warning 46, NWS Tulsa, OK

April 22, 2004Washington County, Arkansas

NWS Tulsa, OK issued this tornado warning at Apr 22, 2004, 7:42 PM CDT for Washington County, Arkansas. It was in force for 63 min. 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, 7:42 PM CDT (00:42 UTC)
Expired: Apr 22, 2004, 8:45 PM CDT
In force: 63 min
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), 72 km from the middle of the area, began a volume at 00:45 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 22, 1:40 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.7 hours before the alert went out and 114 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.

197 
WFUS54 KTSA 230042
TORTUL
ARC143-230145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
742 PM CDT THU APR 22 2004

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  WASHINGTON COUNTY IN NORTHWEST ARKANSAS

* UNTIL 845 PM CDT

* AT 742 PM CDT...DOPPLER RADAR INDICATED A TORNADIC THUNDERSTORM 2
  MILES SOUTH OF WEST FORK...MOVING EAST AT 15 MPH. STORM SPOTTERS
  REPORTED A TORNADO ON THE GROUND THIS IS A LIFE THREATENING
  SITUATION...TAKE COVER NOW

* SOME LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...WEST FORK...
  ELKINS...BLACKBURN...BRENTWOOD AND GREENLAND.

A TORNADO HAS BEEN CONFIRMED IF YOU ARE NEAR THE PATH OF THIS
TORNADO...TAKE COVER NOW IF NO UNDERGROUND SHELTER IS AVAILABLE MOVE
TO AN INTERIOR ROOM ON THE LOWEST FLOOR. MOBILE HOMES AND VEHICLES
SHOULD BE ABANDONED FOR MORE SUBSTANTIAL SHELTER. AVOID WINDOWS

IN ADDITION TO THE TORNADO...LARGE HAIL AND DAMAGING STRAIGHT LINE
WINDS CAN BE EXPECTED WITH THIS STORM. GO TO A SAFE PLACE NOW

LAT...LON 3578 9424 3594 9432 3601 9415 3610 9394
          3585 9395

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 7:35 PM CDT	Flash Flood Warning	TSA	Washington	3 hr
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

Tornado Warnings in Arkansas, 2004 Every tornado warning in 2004 Tornadoes 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.