Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 2, NWS Amarillo, TX

February 24, 2001Armstrong County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Feb 24, 2001, 12:36 AM CST for Armstrong County, Texas. It was in force for 54 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 24, 2001, 12:36 AM CST (06:36 UTC)
Expired
Feb 24, 2001, 1:30 AM CST
In force
54 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Armstrong County, TX

The radar

The Amarillo radar (KAMA), 44 km from the middle of the area, began a volume at 06:38 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

TimeReportWhereRemark
Feb 24, 12:48 AM CSTThunderstorm Wind 61 EWayside, 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 6.6 hours before the alert went out and 43 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-pSkew-T log-p diagram, Amarillo Airport, TX at 00:00Z on 2001-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 174 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2001-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 238 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
174 J/kg
Mixed-layer CIN
-164 J/kg
Mixed-layer LCL
490 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
238 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KAMA 240637
SVRAMA
TXC011-240730-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
1236 AM CST SAT FEB 24 2001

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ARMSTRONG COUNTY IN THE TEXAS PANHANDLE

* UNTIL 130 AM CST

* AT 1236 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES SOUTHEAST OF WAYSIDE...OR ABOUT 27
  MILES SOUTH OF CLAUDE...MOVING NORTH AT 40 MPH.

* SOME LOCATIONS AFFECTED BY THE STORM INCLUDE...
  CLAUDE...GOODNIGHT...WASHBURN AND WAYSIDE

HAIL TO THE SIZE OF DIMES...DAMAGING WINDS...AND TORRENTIAL 
RAINS ARE EXPECTED WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL 
SHELTER.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 23, 8:26 PM CST, 4 hours 10 minutes earlier.

Area forecast discussion, Feb 23, 8:26 PM CST, 4 hours 10 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE AMARILLO TX
826 PM CST FRI FEB 23 2001

UPDATED ZONES TO REMOVE SEVERE THUNDERSTORM WATCH AND TO ADD FOG TO
ALL ZONES.  MOISTURE CONTINUES TO STREAM NORTHWEST FROM DOWN-STATE.
DEW POINTS IN THE MID 50S ARE APPROACHING THE SOUTHERN TEXAS
PANHANDLE.  COLD FRONT JUST NOW MOVING EAST OF THE ROCKIES IN NEW
MEXICO. SURFACE LOW CONTINUES TO TAKE SHAPE OVER SOUTHEAST COLORADO
NEAR KLHX.  STILL EXPECTING THUNDERSTORMS TO DEVELOP RAPIDLY ACROSS
EASTERN NEW MEXICO/WESTERN TEXAS/OKLAHOMA PANHANDLES LATER TONIGHT
AS COLD FRONT INTERACTS WITH DEEP MOISTURE. UPPER LOW LOOKS LIKE IT
IS NOW MAKING A MORE EASTWARD TRACK...SO STRONGER WINDS ROUNDING THE
BASE OF THE TROUGH SHOULD START SPREADING ACROSS WEST TEXAS
DURING THE NEXT FEW HOURS.

.AMA...
TX...HIGH WIND WATCH SATURDAY TXZ001>020.
OK...HIGH WIND WATCH SATURDAY OKZ001>003.

GOEHRING

In the hours before

Special weather statement, Feb 23, 8:11 PM CST, 4 hours 25 minutes before
TXZ011-016-240300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
811 PM CST FRI FEB 23 2001

TXZ011-016-240300-
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS CLEARED ALL COUNTIES IN
SEVERE THUNDERSTORM WATCH 26. COUNTIES CLEARED INCLUDE:

IN THE TEXAS PANHANDLE:
OLDHAM...DEAF SMITH...

THIS INCLUDES THE CITIES OF...HEREFORD...VEGA...

NO OTHER SEVERE WEATHER WATCHES ARE IN EFFECT FOR THE OKLAHOMA AND
TEXAS PANHANDLES.

SCHNEIDER/GOEHRING/BILODEAU

Nearby

Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning 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.