Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 18, NWS Amarillo, TX

March 7, 20004 counties in Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Mar 7, 2000, 2:28 PM CST for 4 counties in Texas. It was in force for 62 min. 11 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, 2:28 PM CST (20:28 UTC)
Expired: Mar 7, 2000, 3:30 PM CST
In force: 62 min
Issued by: NWS Amarillo, TX
Area: Whole counties

Counties Carson County, TX, Hutchinson County, TX, Moore County, TX, Potter County, TX

The radar

The Amarillo radar (KAMA), 44 km from the middle of the area, began a volume at 20:32 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

Time	Report	Where	Remark
Mar 7, 2:30 PM CST	Thunderstorm Wind 60 E	Amarillo, TX	Eighteen wheeler blown over from the highway.
Mar 7, 2:40 PM CST	Thunderstorm Wind 52 E	Cactus, TX	The shop building door was blown off from the Cactus Feed Yard along with windows blown out.
Mar 7, 2:41 PM CST	Thunderstorm Wind 55 E	Conway, TX
Mar 7, 2:41 PM CST	Thunderstorm Wind 55 E	St Francis, TX	Power lines down along with a barn blown over.
Mar 7, 2:43 PM CST	Hail 0.75	Fritch, TX
Mar 7, 2:46 PM CST	Hail 0.75	Conway, TX
Mar 7, 2:53 PM CST	Hail 1	Panhandle, TX
Mar 7, 2:55 PM CST	Thunderstorm Wind 63 M	Pantex, TX
Mar 7, 2:55 PM CST	Hail 0.75	Fritch, TX
Mar 7, 2:55 PM CST	Thunderstorm Wind 60 E	Conway, TX	Eighteen wheeler was blown over.
Mar 7, 3:34 PM CST	Hail 1	Borger, 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.

Issued	Product	Office	Lasted
Mar 7, 12:00 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 8.5 hours before the alert went out and 44 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 072029
SVRAMA
TXC065-233-341-375-072130-

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

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CARSON COUNTY IN THE TEXAS PANHANDLE
  MOORE COUNTY IN THE TEXAS PANHANDLE
  NORTHEASTERN POTTER COUNTY IN THE TEXAS PANHANDLE
  HUTCHINSON COUNTY IN THE TEXAS PANHANDLE

* UNTIL 330 PM CST

* AT 225 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM SUNRAY TO 21      
  MILES WEST OF BORGER TO 13 MILES EAST OF AMARILLO...MOVING         
  NORTHEAST AT 20 MPH.

* SOME LOCATIONS AFFECTED BY THE STORM INCLUDE...
  WHITE DEER...SUNRAY...STINNETT...SKELLYTOWN...
  PANHANDLE...BORGER.

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 Mar 7, 11:48 AM CST, 2 hours 40 minutes earlier.

Area forecast discussion, Mar 7, 11:48 AM CST, 2 hours 40 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

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 7, 2:35 PM CST	Severe Thunderstorm Warning	AMA	Armstrong	25 min
Mar 7, 2:55 PM CST	Severe Thunderstorm Warning	AMA	Hansford	65 min
Mar 7, 3:00 PM CST	Severe Thunderstorm Warning	AMA	Donley, Gray	60 min
Mar 7, 3:37 PM CST	Severe Thunderstorm Warning	AMA	Roberts	53 min
Mar 7, 3:45 PM CST	Severe Thunderstorm Warning	AMA	Wheeler	45 min
Mar 7, 3:49 PM CST	Severe Thunderstorm Warning	AMA	Ochiltree	56 min
Mar 7, 3:57 PM CST	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb	63 min

Nearby

Severe Thunderstorm Warnings in Texas, 2000 Every 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.