Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 47, NWS Amarillo, TX

April 26, 2000Carson County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Apr 26, 2000, 9:23 PM CDT for Carson County, Texas. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 26, 2000, 9:23 PM CDT (02:23 UTC)
Expired
Apr 26, 2000, 10:00 PM CDT
In force
37 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Carson County, TX

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.4 hours before the alert went out and 37 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 2000-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1395 joules per kilogram.LCLEL10008507005003002001001 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 2000-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.193958Sfc1 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
1395 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
2591 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
216 m²/s²
Significant tornado parameter
0.0
Supercell composite
9.3

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KAMA 270226
SVRAMA
TXC065-270300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
923 PM CDT WED APR 26 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CARSON COUNTY IN THE TEXAS PANHANDLE

* UNTIL 1000 PM CDT

* AT 923 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM 2 MILES WEST OF GROOM...MOVING EAST AT 20    
  MPH.

* STORM WILL AFFECT THE COMMUNITY OF GROOM.
  

LARGE HAIL...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 Apr 26, 3:15 PM CDT, 6 hours 8 minutes earlier.

Area forecast discussion, Apr 26, 3:15 PM CDT, 6 hours 8 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
315 PM CDT WED APR 26 2000

SFC TEMPS IN LOWER TO MID 80S ALG WITH DWPTS IN THE LOWER TO MID 50S
ACRS CNTRL SXNS OF PNHDLS ATTM.  RESULT IS AXIS OF INSTBY FM LBB TO
GUY WITH LI/S AOB -6.  SFC LOW OVR SERN CO/SWRN KS...WITH DRYLN
STILL W OF DHT...TO NR CVS...AND SERN NM.  OUTFLOW BNDRY FM ERY MRNG
TSTMS LIES ACRS ERN ZNS.  OLD CDFNT MOVG NWD THRU S PLNS AS A WK
WMFNT.  WK WMFNT ALSO EXTDG SEWD FM SFC LOW THRU NERN CORNER OF
FCST AREA.  MID- AND UPR-LVL DYNAMICS ARE IN SHORT SUPPLY.  INCRSG
H8 FLOW THIS EVE AND TNGT ARE EXPCD TO PROVIDE FORCING FOR TRW.
CDFNT MOVG THRU NRN CO ATTM IS EXPCD TO OVERTAKE DRYLN AND PRE-
FRONTAL TROF...PASSING THRU ALL OF PNHDLS BFR SR.  CNVGNC WL
STRENGTHEN AS H8 FLOW INCRS ON BOTH SIDES OF H8 CDFNT.  WL CALL FOR
SCT TRW IN ERN ZNS...CHC TRW IN CNTRL AND WRN ZNS...CALLING FOR
PSBL SVR ALL SXNS.  COOL SFC HI BUILDS INTO AREA ON THU...WITH NELY
SFC WNDS BCMG ELY LATE IN DAY.  THIS WL SET THE STAGE FOR GULF TO
OPEN FOR CHC TRW FRI NGT THRU MON.  03

.AMA...
TX...NONE.
OK...NONE.

COCKRELL

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 12:42 AM CDTSevere Thunderstorm WarningAMALipscomb48 min
Apr 27, 1:30 AM CDTSevere Thunderstorm WarningAMALipscomb60 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; the sounding from the Mesonet's radiosonde archive.