Alert archive / Texas / Tornado Warnings in 2002

Tornado Warning 39, NWS Norman, OK

May 24, 2002Wilbarger County, Texas

NWS Norman, OK issued this tornado warning at May 24, 2002, 7:52 PM CDT for Wilbarger County, Texas. It was in force for 23 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 24, 2002, 7:52 PM CDT (00:52 UTC)
Expired: May 24, 2002, 8:15 PM CDT
In force: 23 min
Issued by: NWS Norman, OK
Area: Counties, with a storm outline in the text

County Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 43 km from the middle of the area, began a volume at 00:56 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 24, 3:00 PM CDT	Tornado Watch	SPC	6 hr
May 24, 7:15 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.9 hours before the alert went out and 216 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: 1865 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 832 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 187 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 8.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KOUN 250052
TOROKC
TXC487-250115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
752 PM CDT FRI MAY 24 2002

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  WILBARGER COUNTY IN NORTHERN TEXAS

* UNTIL 815 PM CDT

* AT 752 PM CDT...THE PUBLIC REPORTED A TORNADO 10 MILES WEST OF
  VERNON...MOVING SOUTHEAST AT 25 MPH.

* LOCATIONS IN THE WARNING INCLUDE VERNON

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 3427 9948 3411 9947 3405 9931 3422 9924

$$

30

The office that day

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

Issued	Product	Office	Counties	Lasted
May 24, 7:27 PM CDT	Severe Thunderstorm Warning	OUN	Hardeman	48 min
May 24, 7:46 PM CDT	Severe Thunderstorm Warning	OUN	Wilbarger	44 min
May 24, 8:17 PM CDT	Severe Thunderstorm Warning	OUN	Wilbarger	43 min
May 24, 8:59 PM CDT	Severe Thunderstorm Warning	OUN	Baylor, Wilbarger	46 min
May 24, 9:05 PM CDT	Severe Thunderstorm Warning	OUN	Knox	40 min
May 24, 10:46 PM CDT	Severe Thunderstorm Warning	OUN	Hardeman	44 min
May 24, 10:47 PM CDT	Severe Thunderstorm Warning	OUN	Foard	58 min
May 24, 11:47 PM CDT	Severe Thunderstorm Warning	OUN	Foard	43 min

Nearby

Tornado Warnings in Texas, 2002 Every tornado warning in 2002 Tornadoes in 2002

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.