Alert archive / Texas / Tornado Warnings in 2001

Tornado Warning 15, NWS Amarillo, TX

May 30, 2001Deaf Smith County, Texas

NWS Amarillo, TX issued this tornado warning at May 30, 2001, 7:06 PM CDT for Deaf Smith County, Texas. It was in force for 39 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 30, 2001, 7:06 PM CDT (00:06 UTC)
Expired: May 30, 2001, 7:45 PM CDT
In force: 39 min
Issued by: NWS Amarillo, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Deaf Smith County, TX

The radar

The Amarillo radar (KAMA), 92 km from the middle of the area, began a volume at 00:09 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
May 30, 7:20 PM CDT	Hail 2.75	Hereford, TX
May 30, 7:23 PM CDT	Hail 0.88	Hereford, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 30, 3:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.1 hours before the alert went out and 93 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: 1372 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 1494 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 170 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KAMA 310007
TORAMA
TXC117-310045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
706 PM CDT WED MAY 30 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* TORNADO WARNING FOR...
  DEAF SMITH COUNTY IN THE TEXAS PANHANDLE

* UNTIL 745 PM CDT

* AT 706 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS
  PORTION OF THE STORM WAS LOCATED 6 MILES WEST OF SIMMS...OR ABOUT
  24 MILES SOUTHWEST OF VEGA...MOVING SOUTHEAST AT 30 MPH.

* SOME LOCATIONS AFFECTED BY THE STORM INCLUDE...
  SIMMS

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

LAT...LON 3518 10274 3506 10294 3481 10267 3509 10240

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.