Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 23, NWS Amarillo, TX

March 7, 2000Wheeler County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Mar 7, 2000, 3:45 PM CST for Wheeler County, Texas. It was in force for 45 min. 3 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, 3:45 PM CST (21:45 UTC)
Expired
Mar 7, 2000, 4:30 PM CST
In force
45 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Wheeler County, TX

The radar

The Amarillo radar (KAMA), 132 km from the middle of the area, began a volume at 21:47 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, 3:52 PM CSTHail 1Shamrock, TX
Mar 7, 4:07 PM CSTThunderstorm Wind 65 EWheeler, TXSeveral roofs blown off along with several power poles down.
Mar 7, 4:15 PM CSTThunderstorm Wind 61 EKelton, 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.8 hours before the alert went out and 131 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 12:00Z on 2000-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 609 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 12:00Z on 2000-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 226 square meters per square second.1939587897Sfc1 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
609 J/kg
Mixed-layer CIN
-171 J/kg
Mixed-layer LCL
680 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
226 m²/s²
0-3 km storm-relative helicity
217 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KAMA 072145
SVRAMA
TXC483-072230-

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

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

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

* UNTIL 430 PM CST

* AT 343 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 12 MILES NORTHWEST
  OF NEW MOBEETIE TO 15 MILES WEST OF SHAMROCK...MOVING EAST AT 45 MPH.

* SOME LOCATIONS AFFECTED BY THE STORM INCLUDE...
  WHEELER...TWITTY...SHAMROCK...NEW MOBEETIE...LELA...KELLERVILLE...
  BRISCOE AND ALLISON.

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

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, 11:48 AM CST, 3 hours 57 minutes earlier.

Area forecast discussion, Mar 7, 11:48 AM CST, 3 hours 57 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE AMARILLO TX
1148 AM CST TUE MAR 7 2000

WILL BE ISSUING UPDATED ZONES SHORTLY TO REFLECT CURRENT/FCSTD WIND
AND CONVECTIVE/SEVERE WX WATCH TRENDS.  MODEL PROGS FROM THIS MORNING
INDICATE STRONG WINDS BEHIND COLD FRONT THIS AFTERNOON AND TONIGHT
WITH GUSTS THAT MAY APPROACH 50 MPH.  THEREFORE WIND ADVISORY WILL BE
ISSUED.

.AMA...
TX...WIND ADVISORY IN EFFECT THIS AFTERNOON TXZ001-006-011-016.
     WIND ADVISORY IN EFFECT TONIGHT TXZ001>020.
OK...WIND ADVISORY IN EFFECT THIS AFTERNOON OKZ001.
     WIND ADVISORY IN EFFECT TONIGHT OKZ001>003.

JH

In the hours before

Special weather statement, Mar 7, 2:29 PM CST, 1 hour 16 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 16 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, 3:49 PM CSTSevere Thunderstorm WarningAMAOchiltree56 min
Mar 7, 3:57 PM CSTSevere Thunderstorm WarningAMAHemphill, Lipscomb63 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.