Alert archive / Texas / Tornado Warnings in 2001

Tornado Warning 2, NWS Amarillo, TX

April 10, 2001Hansford County, Texas

NWS Amarillo, TX issued this tornado warning at Apr 10, 2001, 10:55 PM CDT for Hansford County, Texas. It was in force for 35 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: Apr 10, 2001, 10:55 PM CDT (03:55 UTC)
Expired: Apr 10, 2001, 11:30 PM CDT
In force: 35 min
Issued by: NWS Amarillo, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Hansford County, TX

The radar

The Amarillo radar (KAMA), 119 km from the middle of the area, began a volume at 03:58 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.

What was reported inside it

Time	Report	Where	Remark
Apr 10, 11:06 PM CDT	Tornado F2	Spearman, TX	An official storm damage survey was made on the tornado path length and width. The tornado destroyed several grain bins and a grain elevator to Agco facility. Extensive damage also occurred at a local farm...including the home...barns and equipment. Several
Apr 10, 11:15 PM CDT	Thunderstorm Wind 69 E	Spearman, TX	High winds did considerable damage to a home...barn...and sheds on a local farm.

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 00:00Z, 3.9 hours before the alert went out and 119 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: 579 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 1839 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 186 m²/s²
0-3 km storm-relative helicity: 262 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 5.3

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KAMA 110357
TORAMA
TXC195-110430-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
1055 PM CDT TUE APR 10 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN HANSFORD COUNTY IN THE TEXAS PANHANDLE
  
* UNTIL 1130 PM CDT

* AT 1055 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS
  PORTION OF THE STORM WAS LOCATED 8 MILES SOUTH OF SPEARMAN...MOVING
  NORTHEAST AT 50 MPH.

* SOME LOCATIONS AFFECTED BY THE STORM INCLUDE...
  SPEARMAN AND HIGHWAY 207.

A TORNADO MAY FORM AT ANY TIME-TAKE COVER NOW! ABANDON MOBILE HOMES
AND VEHICLES FORj MORE SUBSTANTIAL SHELTER. AVOID WINDOWS.

LAT...LON 3608 10145 3608 10112 3649 10101 3649 10139

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 10, 9:13 PM CDT	Severe Thunderstorm Warning	AMA	Hartley, Oldham	32 min
Apr 10, 9:27 PM CDT	Severe Thunderstorm Warning	AMA	Moore, Potter	48 min
Apr 10, 10:10 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson	65 min
Apr 10, 10:22 PM CDT	Tornado Warning	AMA	Hutchinson	33 min
Apr 10, 10:49 PM CDT	Severe Thunderstorm Warning	AMA	Gray	61 min
Apr 10, 11:06 PM CDT	Severe Thunderstorm Warning	AMA	Ochiltree	54 min
Apr 10, 11:37 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb	68 min
Apr 10, 11:37 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill	68 min
Apr 10, 11:46 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Wheeler	59 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; radar from the NEXRAD Level II archive.