Alert archive / Texas / Tornado Warnings in 2001

Tornado Warning 34, NWS Norman, OK

May 19, 2001Archer County, Texas

NWS Norman, OK issued this tornado warning at May 19, 2001, 8:00 PM CDT for Archer County, Texas. It was in force for 30 min. No storm report in the archive falls 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.

The facts

Issued: May 19, 2001, 8:00 PM CDT (01:00 UTC)
Expired: May 19, 2001, 8:30 PM CDT
In force: 30 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Archer County, TX

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 19, 4:45 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 1.0 hours before the alert went out and 157 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: 2204 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 1065 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 37 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.3

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KOUN 200100
TOROKC
TXC009-200130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
800 PM CDT SAT MAY 19 2001

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

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

* UNTIL 830 PM CDT

* AT 800 PM CDT...DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO OVER LAKE KICKAPOO...MOVING EAST AT
  30 MPH.

* LOCATIONS IN THE WARNING INCLUDE ARCHER CITY...LAKE KICKAPOO...
  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. STAY AWAY FROM WINDOWS AND OUTSIDE
WALLS.

LAT...LON 3372 9880 3360 9881 3354 9842 3375 9844

30

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 7:02 PM CDT	Severe Thunderstorm Warning	OUN	Wilbarger	43 min
May 19, 7:14 PM CDT	Severe Thunderstorm Warning	OUN	Baylor	31 min
May 19, 7:25 PM CDT	Severe Thunderstorm Warning	OUN	Archer	50 min
May 19, 8:04 PM CDT	Severe Thunderstorm Warning	OUN	Wichita	26 min
May 19, 8:29 PM CDT	Tornado Warning	OUN	Archer, Clay	31 min
May 19, 8:59 PM CDT	Severe Thunderstorm Warning	OUN	Clay	46 min
May 20, 2:03 AM CDT	Severe Thunderstorm Warning	OUN	Wilbarger	57 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; the sounding from the Mesonet's radiosonde archive.