Alert archive / Texas / Tornado Warnings in 2001

Tornado Warning 57, NWS Norman, OK

May 30, 2001Archer County, Texas

NWS Norman, OK issued this tornado warning at May 30, 2001, 8:27 PM CDT for Archer County, Texas. It was in force for 48 min. 3 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: May 30, 2001, 8:27 PM CDT (01:27 UTC)
Expired: May 30, 2001, 9:15 PM CDT
In force: 48 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Archer County, TX

What was reported inside it

Time	Report	Where
May 30, 8:30 PM CDT	Hail 2	Windthorst, TX
May 30, 8:40 PM CDT	Hail 1	Windthorst, TX
May 30, 8:50 PM CDT	Hail 1	Windthorst, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 1.5 hours before the alert went out and 146 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: 3359 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1522 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.6

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KOUN 310128
TOROKC
TXC009-310215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
827 PM CDT WED MAY 30 2001

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN ARCHER COUNTY IN NORTHERN TEXAS

* UNTIL 915 PM CDT

* AT 827 PM CDT...DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO 3 MILES WEST OF WINDTHORST...MOVING
  SOUTH AT 20 MPH.

* LOCATIONS IN THE WARNING INCLUDE ARCHER CITY...SCOTLAND AND
  WINDTHORST

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. S
TAY AWAY FROM WINDOWS AND OUTSIDE
WALLS.

LAT...LON 3378 9843 3380 9865 3342 9873 3341 9844

30

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 7:12 PM CDT	Severe Thunderstorm Warning	OUN	Clay	48 min
May 30, 7:25 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Wichita	35 min
May 30, 7:40 PM CDT	Tornado Warning	OUN	Archer, Wichita	50 min
May 30, 7:58 PM CDT	Severe Thunderstorm Warning	OUN	Clay	47 min
May 30, 8:43 PM CDT	Severe Thunderstorm Warning	OUN	Clay	47 min
May 30, 9:13 PM CDT	Severe Thunderstorm Warning	OUN	Archer	47 min
May 30, 9:23 PM CDT	Severe Thunderstorm Warning	OUN	Knox	52 min
May 30, 9:58 PM CDT	Severe Thunderstorm Warning	OUN	Archer	47 min
May 30, 10:12 PM CDT	Flash Flood Warning	OUN	Archer	3 hr
May 30, 10:44 PM CDT	Severe Thunderstorm Warning	OUN	Archer	46 min
May 30, 10:56 PM CDT	Severe Thunderstorm Warning	OUN	Baylor	49 min
May 30, 11:32 PM CDT	Severe Thunderstorm Warning	OUN	Knox	43 min
May 31, 12:05 AM CDT	Severe Thunderstorm Warning	OUN	Clay	40 min

Nearby

Tornado Warnings in Texas, 2001 Every tornado warning in 2001 Tornadoes in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.