Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 25, NWS Amarillo, TX

March 7, 2000Hemphill County, Lipscomb County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Mar 7, 2000, 3:57 PM CST for Hemphill County, Lipscomb County, Texas. It was in force for 63 min. 2 reports 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
Mar 7, 2000, 3:57 PM CST (21:57 UTC)
Expired
Mar 7, 2000, 5:00 PM CST
In force
63 min
Issued by
NWS Amarillo, TX
Area
Whole counties

Counties Hemphill County, TX, Lipscomb County, TX

The radar

The Amarillo radar (KAMA), 159 km from the middle of the area, began a volume at 21:57 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
Mar 7, 4:35 PM CSTHail 0.75Canadian, TX
Mar 7, 4:45 PM CSTThunderstorm Wind 61 EDarrouzett, 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
Mar 7, 2:30 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

W. Woodward Airport, OK (KWWR), launched 12:00Z, 10.0 hours before the alert went out and 81 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, W. Woodward Airport, OK at 12:00Z on 2000-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 565 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, W. Woodward Airport, OK at 12:00Z on 2000-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
565 J/kg
Mixed-layer CIN
-173 J/kg
Mixed-layer LCL
467 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KAMA 072158
SVRAMA
TXC211-295-072300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
357 PM CST TUE MAR 7 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LIPSCOMB COUNTY IN THE TEXAS PANHANDLE
  HEMPHILL COUNTY IN THE TEXAS PANHANDLE

* UNTIL 500 PM CST

* AT 355 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 20 MILES SOUTHWEST
  OF BOOKER TO 36 MILES SOUTH OF CANADIAN...MOVING NORTHEAST AT 45 MPH.

* SOME LOCATIONS AFFECTED BY THE STORM INCLUDE...
  LIPSCOMB...LAKE MARVIN...HIGGINS...GLAZIER...FOLLETT...
  DARROUZETT...CANADIAN AND BOOKER

LARGE HAIL AND DESTRUCTIVE WINDS CAN BE EXPECTED. IF YOU CANNOT GET 
UNDERGROUND...GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY 
BUILDING. AVOID WINDOWS!

A TORNADO WATCH IS ALSO IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY
FROM SEVERE THUNDERSTORMS.

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 Mar 7, 3:51 PM CST, 6 minutes earlier.

Area forecast discussion, Mar 7, 3:51 PM CST, 6 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE AMARILLO TX
351 PM CST TUE MAR 7 2000

...ADDED WIND ADVISORY HIGHLIGHTS...

NEGATIVELY TILTED UPPER LEVEL WAVE OVER SERN NM IS LIFTING NE
STEADILY TOWARD TX PNHDL.  MEANWHILE...COLD FRONT HAS SWEPT EAST
ACROSS THE WRN ONE-HALF OF THE TX/OK PNHDLS.  PRE-FRONTAL SVR
CONVECTION RAPIDLY MOVING EAST AND WILL LIKELY EXIT CWA BEFORE 00Z.

MORNING MODEL RUNS WERE FAIRLY CONSISTENT IN PLACEMENT OF WX
FEATURES AT 12Z.  HOWEVER...CONSIDERING AMOUNT/DEPTH OF LOW LEVEL
MOISTURE IN PLACE...MODELS WERE A LITTLE TOO QUICK TO SWEEP MOST OF
THE PNHDLS DRY DURING THE FIRST 12 HRS..  IN ANY CASE...THE MODELS
SEEM REASONABLE BEYOND 00Z.

UPPER SYSTEM EXPECTED TO BE IN CNTRL KS BY DAYBREAK WITH MOST OF ANY
WRAP AROUND PRECIP IN WRN KS.  SOME VERY LIGHT RAIN/SNOW SHOWERS
MAY MAKE IT INTO THE CNTRL OK PNHDL...BUT CONFIDENCE IS VERY LOW.
WINDY CONDITIONS WILL PREVAIL THROUGH THE NIGHT AS SFC LOW IN ERN
CO MOVES INTO THE CNTRL U.S. AND UNDERGOES FURTHER STRENGTHENING.
WED WILL START OUT WITH NEAR WINDY CONDITIONS BEFORE PRESSURE
GRADIENTS RELAX IN THE AFTN.  DESPITE SOME CAA...MUCH OF THE LOW
LEVEL FLOW WILL HAVE CONSIDERABLE DOWNSLOPE COMPONENT RESULTING MILD
TEMPS.

SOMEWHAT ZONAL FLOW ALOFT RETURNS ON THU IN ADVANCE OF NEXT UPSTREAM
SYSTEM.  UKMET/ECMWF STILL INDICATING CLOSED LOW OVER SRN ROCKIES BY
12Z FRI.  HOWEVER...MRF AND 12Z AVN ARE LESS AMPLIFIED AND MORE
PROGRESSIVE WITH THIS SYSTEM.  WILL CONTINUE TO SIDE WITH UK/EC
SCENARIO FOR SHRA/TSRA POTENTIAL FOR FRIDAY WITH DRY AND MILD WX FOR
THE WEEKEND.

.AMA...
TX...WIND ADVISORY IN EFFECT TONIGHT TXZ001>020.
OK...WIND ADVISORY IN EFFECT TONIGHT OKZ001>003.

JH

In the hours before

Special weather statement, Mar 7, 2:29 PM CST, 1 hour 28 minutes before
OKZ003-TXZ004-009-014-019-072100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AMARILLO TX
229 PM CST TUE MAR 7 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS CLEARED THE FOLLOWING
COUNTIES IN TORNADO WATCH 69 AND ARE NOW INCLUDED IN TORNADO WATCH
71 THAT IS IN EFFECT UNTIL 800 PM CST.

COUNTIES IN THE OKLAHOMA PANHANDLE...
BEAVER...

IN THE NORTHERN TEXAS PANHANDLE...
OCHILTREE...ROBERTS...GRAY AND DONLEY.

JH
Special weather statement, Mar 7, 2:29 PM CST, 1 hour 28 minutes before
OKZ003-TXZ004-009-014-019-072100-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE AMARILLO TX
229 PM CST TUE MAR 7 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS CLEARED THE FOLLOWING
COUNTIES IN TORNADO WATCH 69 AND ARE NOW INCLUDED IN TORNADO WATCH
71 THAT IS IN EFFECT UNTIL 800 PM CST.

COUNTIES IN THE OKLAHOMA PANHANDLE...
BEAVER...

IN THE TEXAS PANHANDLE...
OCHILTREE...ROBERTS...GRAY AND DONLEY.

JH

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 7, 2:28 PM CSTSevere Thunderstorm WarningAMACarson, Hutchinson, Moore, Potter62 min
Mar 7, 2:35 PM CSTSevere Thunderstorm WarningAMAArmstrong25 min
Mar 7, 2:55 PM CSTSevere Thunderstorm WarningAMAHansford65 min
Mar 7, 3:00 PM CSTSevere Thunderstorm WarningAMADonley, Gray60 min
Mar 7, 3:37 PM CSTSevere Thunderstorm WarningAMARoberts53 min
Mar 7, 3:45 PM CSTSevere Thunderstorm WarningAMAWheeler45 min
Mar 7, 3:49 PM CSTSevere Thunderstorm WarningAMAOchiltree56 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.