Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 48, NWS Amarillo, TX

April 27, 2000Lipscomb County, Texas; Beaver County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Apr 27, 2000, 12:42 AM CDT for Lipscomb County, Texas; Beaver County, Oklahoma. It was in force for 48 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 27, 2000, 12:42 AM CDT (05:42 UTC)
Expired
Apr 27, 2000, 1:30 AM CDT
In force
48 min
Issued by
NWS Amarillo, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Beaver County, OK, Lipscomb County, TX

What was reported inside it

TimeReportWhereRemark
Apr 27, 12:43 AM CDTHail 1.75Elmwood, OK
Apr 27, 1:05 AM CDTHail 0.88Darrouzett, 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
Apr 27, 12:15 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 5.7 hours before the alert went out and 141 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, Dodge City, at 00:00Z on 2000-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 562 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, Dodge City, at 00:00Z on 2000-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 272 square meters per square second.19395878Sfc1 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
562 J/kg
Mixed-layer CIN
-169 J/kg
Mixed-layer LCL
1518 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
272 m²/s²
0-3 km storm-relative helicity
296 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KAMA 270544
SVRAMA
OKC007-TXC295-270630-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
1242 AM CDT THU APR 27 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN BEAVER COUNTY IN THE OKLAHOMA PANHANDLE
  NORTHERN LIPSCOMB COUNTY IN THE TEXAS PANHANDLE

* UNTIL 130 AM CDT

* AT 1242 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER ELMWOOD...OR ABOUT 15 MILES SOUTH OF
  BEAVER...MOVING SOUTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BOOKER AT 1250 AM CDT
  DARROUZETT AT 125 AM CDT
  FOLLETT AT 130 AM CDT

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

LAT...LON 3673 10058 3657 10069 3636 10046 3633 10003
          3647 10002 3668 10009

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, 11:30 PM CDT, 1 hour 12 minutes earlier.

Area forecast discussion, Apr 26, 11:30 PM CDT, 1 hour 12 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE AMARILLO TX
1130 PM CDT WED APR 26 2000

SFC COLD FRONT PUSHING THRU EXTRM NWRN ZONES AT THIS TIME...AND
SHOULD CONTINUE TRACKING THRU ALL FCST AREA OVERNIGHT. SOME NEW TSTMS
NOW FORMING AHEAD OF THE FRONT IN NERN TX PNHDL. APPEARS BEST THREAT
FOR PRECIP WILL BE IN THE ERN SECTIONS...LOWEST ACROSS THE WRN
SECTIONS. WILL TRIM BACK POPS A SMIDGE CNTRL AND W BASED ON CURRENT
TRENDS. PLAN ON RETAINING MENTION OF SVR CNTRL AND E DUE TO PROXIMITY
OF FRONTAL BOUNDARY AND CURRENT RADAR TRENDS. ALSO TWEEKED WIND
DIRECTIONS. UPDATED ZONES ALREADY SENT.

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

ANDRADE
]

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 9:23 PM CDTSevere Thunderstorm WarningAMACarson37 min
Apr 27, 1:30 AM CDTSevere Thunderstorm WarningAMALipscomb60 min

Nearby

Severe Thunderstorm Warnings in Texas, 2000Severe Thunderstorm Warnings in Oklahoma, 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.