Alert archive / Oklahoma / Tornado Warnings in 2004

Tornado Warning 41, NWS Norman, OK

May 29, 2004Custer County, Oklahoma

NWS Norman, OK issued this tornado warning at May 29, 2004, 6:34 PM CDT for Custer County, Oklahoma. It was in force for 26 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: May 29, 2004, 6:34 PM CDT (23:34 UTC)
Expired: May 29, 2004, 7:00 PM CDT
In force: 26 min
Issued by: NWS Norman, OK
Area: Counties, with a storm outline in the text

County Custer County, OK

The radar

The Vance AFB radar (KVNX), 129 km from the middle of the area, began a volume at 23:35 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
May 29, 2:55 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.6 hours before the alert went out and 137 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: 1834 J/kg
Mixed-layer CIN: -69 J/kg
Mixed-layer LCL: 759 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 226 m²/s²
0-3 km storm-relative helicity: 310 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 10.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KOUN 292334
TOROKC
OKC039-300000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
633 PM CDT SAT MAY 29 2004

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  CUSTER COUNTY IN WESTERN OKLAHOMA

* UNTIL 700 PM CDT

* AT 633 PM CDT...THE DOPPLER RADAR AND SPOTTERS REPORTED A 
  TORNADO 4 MILES SOUTHWEST OF THOMAS...MOVING EAST AT 30 
  MPH.

* LOCATIONS IN THE WARNING INCLUDE FAY AND THOMAS

IN ADDITION TO A TORNADO THREAT... THIS STORM LIKELY CONTAINS
DAMAGING HAIL TO THE SIZE OF BASEBALLS OR LARGER.

TAKE COVER NOW. LEAVE MOBILE HOMES AND VEHICLES. IF POSSIBLE...MOVE
TO A BASEMENT OR STORM SHELTER. OTHERWISE MOVE TO AN INTERIOR ROOM OR
HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS AND OUTSIDE
WALLS.

LAT...LON 3570 9892 3561 9882 3569 9862 3584 9864

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 3:47 PM CDT	Severe Thunderstorm Warning	OUN	Roger Mills	43 min
May 29, 4:16 PM CDT	Tornado Warning	OUN	Roger Mills	29 min
May 29, 4:39 PM CDT	Severe Thunderstorm Warning	OUN	Woods	51 min
May 29, 4:43 PM CDT	Severe Thunderstorm Warning	OUN	Dewey, Roger Mills	47 min
May 29, 4:58 PM CDT	Severe Thunderstorm Warning	OUN	Woodward	47 min
May 29, 5:05 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Custer, Washita	40 min
May 29, 5:28 PM CDT	Severe Thunderstorm Warning	OUN	Dewey, Major	47 min
May 29, 5:40 PM CDT	Tornado Warning	OUN	Dewey	35 min
May 29, 5:41 PM CDT	Tornado Warning	OUN	Woods	34 min
May 29, 5:45 PM CDT	Severe Thunderstorm Warning	OUN	Custer	30 min
May 29, 6:15 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Custer, Dewey	45 min
May 29, 6:18 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Major	42 min
May 29, 6:39 PM CDT	Tornado Warning	OUN	Blaine	36 min

Nearby

Tornado Warnings in Oklahoma, 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.