Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 112, NWS Amarillo, TX

May 29, 2001Carson County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at May 29, 2001, 6:58 PM CDT for Carson County, Texas. It was in force for 62 min. 4 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: May 29, 2001, 6:58 PM CDT (23:58 UTC)
Expired: May 29, 2001, 8:00 PM CDT
In force: 62 min
Issued by: NWS Amarillo, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Carson County, TX

The radar

The Amarillo radar (KAMA), 43 km from the middle of the area, began a volume at 00:04 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
May 29, 7:02 PM CDT	Tornado F0	Panhandle, TX	The tornado remained over open country and the path length and width were estimated. An official storm survey was made.
May 29, 7:15 PM CDT	Tornado F3	Panhandle, TX	The tornado destroyed an office building associated with a grain elevator...unroofed and severely damaged a nearby home...and tossed a pickup truck and suburban about fifty and one hundred yards respectively. Several cattle and one horse were reported killed
May 29, 7:50 PM CDT	Hail 1.75	White Deer, TX
May 29, 8:10 PM CDT	Hail 0.88	White Deer, 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
May 29, 3:30 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 12.0 hours before the alert went out and 42 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: 769 J/kg
Mixed-layer CIN: -225 J/kg
Mixed-layer LCL: 908 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 233 m²/s²
0-3 km storm-relative helicity: 419 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KAMA 292358
SVRAMA
TXC065-300100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
658 PM CDT TUE MAY 29 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 800 PM CDT

* AT 658 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 18 MILES WEST OF WHITE DEER...OR ABOUT 11 MILES
  NORTHWEST OF PANHANDLE...MOVING EAST AT 25 MPH.

* SOME LOCATIONS AFFECTED BY THE STORM INCLUDE...
  SKELLYTOWN AND WHITE DEER

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

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

LAT...LON 3562 10162 3540 10162 3540 10109 3561 10110

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 May 29, 3:15 PM CDT, 3 hours 43 minutes earlier.

Area forecast discussion, May 29, 3:15 PM CDT, 3 hours 43 minutes before

TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
315 PM CDT TUE MAY 29 2001

AMS OVR PNHDLS IS VERY UNSTABLE AND IS SHEARED WELL.  H5 VOT MAX WITH
ASSOCD COLD POOL MOVG TWD WRN ZNS ATTM.  LOW-LVL MSTR FLUX CNVGNC IS
MAXIMIZED OVR WRN ZNS.  AREAL QUALIFIERS WILL BE USED ALL SXNS 1ST
PD.  WSHFT EXPCD LATE TNGT.  NELY SFC WNDS ON WED WL BRING MORE
STABLE AIR INTO AREA WITH LITTLE CNVGNC OVR AREA.  WL REMOVE POPS WED
FM ALL BUT ERN ZNS WHERE SOME PCPN MAY LINGER DURG MRNG.  ALSO
REMOVED POPS FOR WED NGT AS SFC RDG BUILDS INTO AREA.  SOME RECOVERY
OF MSTR PSBL FOR THU AND THU NGT OVR WRN ZNS...SO INTRODUCED SLGT CHC
POPS THOSE LOCATIONS.  WL KEEP EXTDD DRY AS WK TO MDT NWLY FLOW PVLS.
03

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

COCKRELL

In the hours before

Local storm report, May 29, 1:56 PM CDT, 5 hours 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
156 PM CDT TUE MAY 29 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1059 AM    CONLEN                    TX   .75 INCH HAIL
05/29/01   DALLAM                         REPORTED BY NWS SPOTTER.

0130 PM    15 E FORGAN               OK   .75 INCH HAIL
05/29/01   BEAVER                         REPORTED BY BEAVER EOC.

KP/TS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 3:28 AM CDT	Severe Thunderstorm Warning	AMA	Hartley	47 min
May 29, 3:40 AM CDT	Severe Thunderstorm Warning	AMA	Hutchinson	50 min
May 29, 5:12 AM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley	63 min
May 29, 6:15 AM CDT	Severe Thunderstorm Warning	AMA	Sherman	60 min
May 29, 10:53 AM CDT	Severe Thunderstorm Warning	AMA	Dallam	22 min
May 29, 4:43 PM CDT	Severe Thunderstorm Warning	AMA	Potter	47 min
May 29, 5:14 PM CDT	Severe Thunderstorm Warning	AMA	Hutchinson	46 min
May 29, 5:21 PM CDT	Severe Thunderstorm Warning	AMA	Randall	39 min
May 29, 5:29 PM CDT	Severe Thunderstorm Warning	AMA	Potter	61 min
May 29, 5:38 PM CDT	Tornado Warning	AMA	Potter	52 min
May 29, 5:44 PM CDT	Tornado Warning	AMA	Randall	46 min
May 29, 5:58 PM CDT	Severe Thunderstorm Warning	AMA	Hutchinson	47 min
May 29, 6:06 PM CDT	Severe Thunderstorm Warning	AMA	Carson	54 min
May 29, 6:27 PM CDT	Severe Thunderstorm Warning	AMA	Potter	48 min
May 29, 6:45 PM CDT	Tornado Warning	AMA	Carson	45 min

Nearby

Severe Thunderstorm Warnings in Texas, 2001 Every severe thunderstorm warning in 2001

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.