Alert archive / Texas / Tornado Warnings in 2002

Tornado Warning 38, NWS Norman, OK

May 24, 2002Foard County, Knox County, Texas

NWS Norman, OK issued this tornado warning at May 24, 2002, 6:40 PM CDT for Foard County, Knox County, Texas. It was in force for 35 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, 6:40 PM CDT (23:40 UTC)
Expired: May 24, 2002, 7:15 PM CDT
In force: 35 min
Issued by: NWS Norman, OK
Area: Counties, with a storm outline in the text

Counties Foard County, TX, Knox County, TX

The radar

The Altus AFB radar (KFDR), 84 km from the middle of the area, began a volume at 23:41 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

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.7 hours before the alert went out and 237 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: 885 J/kg
Mixed-layer CIN: -138 J/kg
Mixed-layer LCL: 503 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 185 m²/s²
0-3 km storm-relative helicity: 222 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KOUN 242340
TOROKC
TXC155-275-250015-

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

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEAST FOARD COUNTY IN NORTHERN TEXAS
  NORTHEAST KNOX COUNTY IN NORTHERN TEXAS

* UNTIL 715 PM CDT

* AT 639 PM CDT...DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM   
CAPABLE OF PRODUCING A TORNADO 15 MILES NORTH OF VERA ...MOVING 
NORTHEAST  AT 20 MPH.

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 3385 9966 3368 9960 3372 9947 3383 9947

$$

30

The office that day

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

Issued	Product	Office	Counties	Lasted
May 24, 4:02 PM CDT	Severe Thunderstorm Warning	OUN	Hardeman	43 min
May 24, 4:45 PM CDT	Severe Thunderstorm Warning	OUN	Hardeman	45 min
May 24, 5:31 PM CDT	Severe Thunderstorm Warning	OUN	Hardeman	44 min
May 24, 5:33 PM CDT	Severe Thunderstorm Warning	OUN	Foard, Knox	42 min
May 24, 6:13 PM CDT	Severe Thunderstorm Warning	OUN	Knox	47 min
May 24, 6:49 PM CDT	Severe Thunderstorm Warning	OUN	Hardeman	41 min
May 24, 6:55 PM CDT	Severe Thunderstorm Warning	OUN	Baylor, Wilbarger	50 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.