Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 124, NWS Amarillo, TX

June 4, 2001Wheeler County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 4, 2001, 9:38 PM CDT for Wheeler County, Texas. It was in force for 37 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: Jun 4, 2001, 9:38 PM CDT (02:38 UTC)
Expired: Jun 4, 2001, 10:15 PM CDT
In force: 37 min
Issued by: NWS Amarillo, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Wheeler County, TX

What was reported inside it

Time	Report	Where
Jun 4, 9:38 PM CDT	Hail 1	Wheeler, TX
Jun 4, 9:49 PM CDT	Hail 1.75	Wheeler, TX
Jun 4, 9:58 PM CDT	Hail 1	Allison, TX
Jun 4, 10:15 PM CDT	Hail 1.75	Canadian, 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
Jun 4, 6:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.6 hours before the alert went out and 134 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: 282 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 3850 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 108 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

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

389 
WUUS54 KAMA 050240
SVRAMA
TXC483-050315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
938 PM CDT MON JUN 4 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 1015 PM CDT

* AT 938 PM CDT...SPOTTERS REPORTED QUARTER SIZED HAIL 6 MILES SOUTH OF
  WHEELER. THE STORM IS MOVING NORTHEAST AT 35 MPH.

* SOME LOCATIONS AFFECTED BY THE STORM INCLUDE...
  ALLISON...TWITTY AND WHEELER

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

LAT...LON 3535 10047 3518 10025 3532 10000 3562 10001
          3561 10021

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 Jun 4, 2:00 PM CDT, 7 hours 38 minutes earlier.

Area forecast discussion, Jun 4, 2:00 PM CDT, 7 hours 38 minutes before

TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
200 PM CDT MON JUN 4 2001

A SHRTWV TROF NOTED ON WATER VAPOR IMAGERY MOVG THRU THE INTRMTRGN
AND IS FCSTD TO BCM NEGATIVELY-TILTED AS IT SWINGS THRU THE RCKYS
THIS AFTN AND THIS EVE.  SHRTWV ENERGY FCSTD TO LIFT NEWD OUT OF AZ
AND THE SRN RCKYS BY THIS EVE...HWVR 700 MB TEMPS FCSTD TO BE IN
THE 13 TO 15+ DEG C RANGE WHEN THE SHRTWV ENERGY FCSTD TO MOV ACRS.
CONCERNED THAT LOW CLDS AND FOG MAY RE-DVLP ONCE AGAIN LTR TNGT AND
ERY TUE BHND THE FNT...SIMILAR TO WHAT HAPPENED THIS MRNG.  MAY
DECIDE TO PUT LOW CLDS AND FOG IN THE TNGT FCST.  700 MB TEMPS ARE
FCSTD TO COOL TO UNDER 12 DEG C ON TUE AS ANOTHER SHRTWV TROF MOVS
OUT OF THE RCKYS BY 00Z WED.  CONCERNED THAT CNVTN WL FIRE UP LT
TUE/TUE NGT...PSBLY A NOCTURNAL EVENT...AND MAY BUMP POPS BACK UP/ADD
THEM BACK IN.  AVN IS THE PREFERED MODEL OF CHOICE THIS FCST PD.
CNVTN MAY BE ONGOING EVEN INTO WED AS THE AVN QPF INDICATES.  MAY
DECIDE TO GO WITH CHC POPS ON WED RATHER THAN SLGT CHC.  SHRTWV FCSTD
TO MOV VERY SLOLY ACRS THE SRN RCKYS TUE NGT AND THEN RMNS OVR NE/ERN
NM BY 18Z WED.

FNTL BNDRY FCSTD TO SLIDE SWD ACRS THE PNHDLS TNGT AS SFC LOW DROPS
SWD INTO THE TX PNHDL.  SFC LOW FCSTD TO BE OVR THE PERMIAN BASIN OF
W TX LT TUE INTO WED AS NE TO SW ORIENTED SFC RDG BUILDS DOWN INTO
THE FA.  THIS WL PROVIDE A GOOD UPSLP FLOW AND ALLOW COPIOUS AMOUNTS
OF LO LVL MSTR TO ADVECT INTO THE PNHDLS ALG WITH CAA.  SFC TROF
DVLPS LT WED AND WED NGT ALG THE LEE OF THE RCKYS AND MAY BCM DRYLN
BY THU.  BETTER CHC FOR CNVTN WED EVE/NGT AND AGAIN THU EVE/NGT AS
THE SFC TROF/DRYLN RMNS FM SERN CO INTO ERN NM.  SFC LOW DVLPS ACRS
ERN CO THU NGT AS STRONG SHRTWV DROPS SEWD OUT OF NERN CO INTO KS.
COULD PSBLY SEE ANOTHER MCC DVLP THU NGT/ERY FRI MRNG NR OUR FA.
ANOTHER STRONG SHRTWV FCSTD TO DROPS SEWD OUT OF CO FRI NGT WHICH
MAY SET UP ANOTHER MCC DVLPG OVR THE PNHDLS FRI NGT/SAT MRNG.

UPR FLOW TRANSITIONS FM ZONAL/SWLY TNGT THRU TUE...TO NWLY WED THRU
THE END OF THE WK INTO SAT AS UPR HIGH BUILDS OVR AZ AND NM.  WL
KEEP MENTION OF SLGT CHC POPS IN THE EXTENDED AS CNVTN MAY PROPAGATE
OFF THE MTNS/HIER TRRN OF CO/NM.

PRELIM CCF:

AMA 059/078 055/084 059  0-3
GUY 056/077 053/083 058  -02
DHT 054/076 054/082 057  002

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

SCHNEIDER/SLATTERY/WOLTERS

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.