Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 90, NWS Amarillo, TX

May 26, 2001Moore County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at May 26, 2001, 8:25 PM CDT for Moore County, Texas. It was in force for 65 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: May 26, 2001, 8:25 PM CDT (01:25 UTC)
Expired: May 26, 2001, 9:30 PM CDT
In force: 65 min
Issued by: NWS Amarillo, TX
Area: Whole counties

County Moore County, TX

What was reported inside it

Time	Report	Where
May 26, 8:45 PM CDT	Hail 0.88	Sunray, TX
May 26, 9:21 PM CDT	Hail 1	Dumas, TX
May 26, 9:35 PM CDT	Hail 1	Dumas, 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 26, 7:30 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 1.4 hours before the alert went out and 70 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: 2379 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 2098 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 70 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.5

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KAMA 270125
SVRAMA
TXC341-270230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
825 PM CDT SAT MAY 26 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 930 PM CDT

* AT 823 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES WEST OF DUMAS...MOVING SOUTHEAST AT 25
  MPH.

* SOME LOCATIONS AFFECTED BY THE STORM INCLUDE...
  DUMAS...MASTERSON...FOUR WAY...LAKE MEREDITH AND SUNRAY

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

LAT...ZLON 3606 10215 3567 10215 3565 10165 3605 10165

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 26, 3:15 PM CDT, 5 hours 10 minutes earlier.

Area forecast discussion, May 26, 3:15 PM CDT, 5 hours 10 minutes before

TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
315 PM CDT SAT MAY 26 2001

SFC LOW TAKING SHAPE OVR WRN OK PNHDL ATTM WITH CIRCULATION EXTDG
UPWARD TO H8.  WMFNT EXTDS SEWD FM LOW TO NR CDS.  DRYLN CLIPS NWRN
CORNER OF TX PNHDL AND EXTDS THRU ERN NM W OF TCC AND ROW...WHERE
ANOTHER SFC LOW DVLPG.  SHALLOW CU FIELD DVLPG OVR SRN TX PNHDL.
EXPC FURTHER DVLPMT OF CU AS WAA CONTS VCNTY AXIS OF HIR CAPES
RUNNING N-S THRU WRN HALF OF FCST AREA.  DEEP MSTR FLUX CNVGNC IS
ALSO ALIGNED SIMILARLY.  WITH CNVTV TEMPS ABOUT TO BE REACHED...WK
VOT MAX APCHG IN NWLY FLOW ALF...AND RESPECTABLE DIRECTIONAL SHEAR IN
PLACE...WL FCST NMRS TSTMS TNGT.  PSBL SVR WL BE MENTIONED DUE TO
ABOVE FACTORS AND INCRG INSTBY.

SRN SFC LOW NR ROW FCST TO DEEPEN AND MOV EWD DURG NGT...KEEPING MSTR
FEED AND UPSLP COMPONENT OVR PNHDLS.  DEEPENING SFC PRESSURES OVR ERN
NM ON SUN WL KEEP MSTR...INSTBY SUPPLIED TO PNHDLS.  BY LATE AFTN
SUN...DRYLN WL LIE ACRS WRN ZNS...WITH WMFNT RUNNING NW-SE ACRS FCST
AREA...SO LATE AFTN/EVE/NGT TIME TSTMS A GOOD BET.  MCS COULD DVLP
OVR SERN CO AND TRACK SEWD ALG WMFNT AS NOTED BY PREV FCSTR.

COOLER CONDS ON MON AS BNDRY MOVS SWD AND UPSLP FLOW PVLS.  CHC POPS
STILL IN ORDER FOR MON AND MON NGT AS DRYLN SETS UP AGAIN OVR WRN
ZNS...AND H5 FLOW TRANSITIONS TO SWLY.  TUE AND WED LOOK FAVORABLE
FOR CNVTN AS H5 SHTWV TROF PASSES OVHD SO HAVE BOOSTED TO CHC POPS.
H5 FLOW TURNS TO NWLY AGAIN WED AS NERN PAC CLOSED LOW CROSSES RCKYS.
AFT UPSLP DMSHS ON THU...SFC RDG BUILDS SWD THRU PLAINS...CUTTING
OFF MSTR FEED.  DRY AND WMR ON FRI AND SAT AS SWRN U.S. H5 RDG
BUILDS.  03

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

COCKRELL

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 9:13 PM CDT	Severe Thunderstorm Warning	AMA	Hutchinson	62 min
May 26, 9:34 PM CDT	Severe Thunderstorm Warning	AMA	Moore	26 min
May 26, 9:49 PM CDT	Severe Thunderstorm Warning	AMA	Carson	71 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.