Alert archive / Oklahoma / Tornado Warnings in 2001

Tornado Warning 32, NWS Norman, OK

May 19, 2001Beckham County, Oklahoma

NWS Norman, OK issued this tornado warning at May 19, 2001, 1:35 PM CDT for Beckham County, Oklahoma. It was in force for 40 min. 2 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 19, 2001, 1:35 PM CDT (18:35 UTC)
Expired: May 19, 2001, 2:15 PM CDT
In force: 40 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Beckham County, OK

What was reported inside it

Time	Report	Where	Remark
May 19, 1:55 PM CDT	Thunderstorm Wind	Erick, OK	An old sheep shed was destroyed.
May 19, 2:07 PM CDT	Thunderstorm Wind 65 E	Sayre, OK

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

Amarillo Airport, TX (KAMA), launched 12:00Z, 6.6 hours before the alert went out and 174 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: 2851 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 763 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 257 m²/s²
0-3 km storm-relative helicity: 411 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 18.3

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KOUN 191835
TOROKC
OKC009-191915-

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

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  BECKHAM COUNTY IN WESTERN OKLAHOMA

* UNTIL 215 PM CDT

* AT 135 PM CDT...DOPPLER RADAR AND STORM SPOTTERS OBSERVED A TORNADO
  3 MILES NORTHWEST OF ERICK...MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IN THE WARNING INCLUDE ERICK AND SAYRE

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 3536 9995 3513 9989 3515 9951 3541 9961

33/DLF

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 12:41 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Roger Mills	49 min
May 19, 1:19 PM CDT	Tornado Warning	OUN	Roger Mills	41 min
May 19, 1:27 PM CDT	Severe Thunderstorm Warning	OUN	Beckham	48 min
May 19, 2:14 PM CDT	Tornado Warning	OUN	Beckham	46 min
May 19, 2:56 PM CDT	Severe Thunderstorm Warning	OUN	Jackson, Kiowa	49 min
May 19, 3:21 PM CDT	Severe Thunderstorm Warning	OUN	Comanche	39 min
May 19, 3:42 PM CDT	Severe Thunderstorm Warning	OUN	Stephens	48 min
May 19, 4:15 PM CDT	Severe Thunderstorm Warning	OUN	Jackson	45 min
May 19, 4:23 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Murray	52 min
May 19, 4:23 PM CDT	Severe Thunderstorm Warning	OUN	Love	52 min

Nearby

Tornado Warnings in Oklahoma, 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.