Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 9, NWS Amarillo, TX

February 24, 2000Wheeler County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Feb 24, 2000, 8:00 PM CST for Wheeler County, Texas. It was in force for 30 min. 1 report 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
Feb 24, 2000, 8:00 PM CST (02:00 UTC)
Expired
Feb 24, 2000, 8:30 PM CST
In force
30 min
Issued by
NWS Amarillo, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Wheeler County, TX

The radar

The Amarillo radar (KAMA), 137 km from the middle of the area, began a volume at 02:04 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, 8:07 PM CSTHail 1.75Wheeler, 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.

IssuedProductOfficeLasted
Feb 24, 4:30 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.0 hours before the alert went out and 136 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 2000-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 127 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2000-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939587897117136Sfc1 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
127 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
2880 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
64 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 250201
SVRAMA
TXC483-250230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
800 PM CST THU FEB 24 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN WHEELER COUNTY IN THE TEXAS PANHANDLE

* UNTIL 830 PM CST

* AT 800 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES EAST OF WHEELER...OR ABOUT 16 MILES
  NORTH OF SHAMROCK...MOVING NORTHEAST AT 50 MPH. GOLFBALL HAIL WAS
  REPORTED BETWEEN WHEELER AND TWITTY AT 800 PM.

* SOME LOCATIONS AFFECTED BY THE STORM INCLUDE...
  WHEELER...TWITTY AND ALLISON

LARGE HAIL...DAMAGING WINDS.._.AND TORRENTIAL RAINS ARE EXPECTED WITH
THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER.

LAT...LON 3523 10040 3519 10001 3563 10001 3561 10023

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 24, 6:15 PM CSTSevere Thunderstorm WarningAMAGray, Roberts30 min
Feb 24, 6:44 PM CSTTornado WarningAMARoberts31 min
Feb 24, 6:48 PM CSTSevere Thunderstorm WarningAMAHemphill, Lipscomb42 min
Feb 24, 6:55 PM CSTSevere Thunderstorm WarningAMALipscomb50 min
Feb 24, 7:00 PM CSTSevere Thunderstorm WarningAMAGray60 min
Feb 24, 7:28 PM CSTSevere Thunderstorm WarningAMALipscomb47 min
Feb 24, 7:36 PM CSTSevere Thunderstorm WarningAMAHemphill, Roberts39 min
Feb 24, 7:47 PM CSTTornado WarningAMALipscomb28 min
Feb 24, 8:00 PM CSTFlash Flood WarningAMALipscomb2 hr
Feb 24, 8:05 PM CSTSevere Thunderstorm WarningAMADonley25 min
Feb 24, 8:13 PM CSTTornado WarningAMALipscomb17 min
Feb 24, 8:17 PM CSTSevere Thunderstorm WarningAMAHemphill28 min
Feb 24, 8:30 PM CSTSevere Thunderstorm WarningAMALipscomb30 min
Feb 24, 8:43 PM CSTSevere Thunderstorm WarningAMACollingsworth, Wheeler62 min
Feb 24, 9:02 PM CSTSevere Thunderstorm WarningAMAHemphill, Lipscomb, Roberts43 min
Feb 24, 9:43 PM CSTSevere Thunderstorm WarningAMACollingsworth, Wheeler47 min
Feb 25, 12:58 AM CSTSevere Thunderstorm WarningAMACollingsworth32 min

Nearby

Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000

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.