Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 92, NWS Amarillo, TX

May 26, 2001Moore County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at May 26, 2001, 9:34 PM CDT for Moore County, Texas. It was in force for 26 min. 2 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, 9:34 PM CDT (02:34 UTC)
Expired
May 26, 2001, 10:00 PM CDT
In force
26 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Moore County, TX

What was reported inside it

TimeReportWhereRemark
May 26, 9:35 PM CDTHail 1Dumas, TX
May 26, 9:45 PM CDTHail 0.75Dumas, 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
May 26, 7:30 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.6 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-pSkew-T log-p diagram, Amarillo Airport, TX at 00:00Z on 2001-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2379 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 00:00Z on 2001-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.19395878Sfc1 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
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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 6 hours 19 minutes earlier.

Area forecast discussion, May 26, 3:15 PM CDT, 6 hours 19 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.

IssuedProductOfficeCountiesLasted
May 26, 8:25 PM CDTSevere Thunderstorm WarningAMAMoore65 min
May 26, 9:13 PM CDTSevere Thunderstorm WarningAMAHutchinson62 min
May 26, 9:49 PM CDTSevere Thunderstorm WarningAMACarson71 min

Nearby

Severe Thunderstorm Warnings in Texas, 2001Every 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.