Alert archive / Oklahoma / Tornado Warnings in 2004

Tornado Warning 35, NWS Norman, OK

May 26, 2004Canadian County, Oklahoma

NWS Norman, OK issued this tornado warning at May 26, 2004, 5:58 PM CDT for Canadian County, Oklahoma. It was in force for 32 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 26, 2004, 5:58 PM CDT (22:58 UTC)
Expired: May 26, 2004, 6:30 PM CDT
In force: 32 min
Issued by: NWS Norman, OK
Area: Counties, with a storm outline in the text

County Canadian County, OK

The radar

The Norman radar (KTLX), 84 km from the middle of the area, began a volume at 23:00 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 26, 3:55 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.0 hours before the alert went out and 77 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: 777 J/kg
Mixed-layer CIN: -326 J/kg
Mixed-layer LCL: 1364 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 292 m²/s²
0-3 km storm-relative helicity: 238 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

342 
WFUS54 KOUN 262258
TOROKC
OKC017-262330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
557 PM CDT WED MAY 26 2004

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  CANADIAN COUNTY IN CENTRAL OKLAHOMA

* UNTIL 630 PM CDT

* AT 557 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES WEST OF
  NILES...MOVING EAST AT 30 MPH.

* THE TORNADO WILL GENERALLY REMAIN IN RURAL AREAS OF THE WARNED
  COUNTY.

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 105 AND 120.

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 3556 9830 3538 9831 3537 9799 3554 9803

$$

30

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 5:07 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Custer, Washita	38 min
May 26, 5:36 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Kingfisher	39 min
May 26, 5:41 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo	34 min
May 26, 5:44 PM CDT	Tornado Warning	OUN	Caddo	31 min
May 26, 6:14 PM CDT	Severe Thunderstorm Warning	OUN	Garfield	61 min
May 26, 6:28 PM CDT	Severe Thunderstorm Warning	OUN	Canadian	47 min
May 26, 6:33 PM CDT	Severe Thunderstorm Warning	OUN	Grant, Kay	42 min
May 26, 6:56 PM CDT	Tornado Warning	OUN	Garfield, Noble	49 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.