Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 83, NWS San Angelo, TX

May 17, 2001Haskell County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 17, 2001, 8:42 PM CDT for Haskell County, Texas. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 17, 2001, 8:42 PM CDT (01:42 UTC)
Expired
May 17, 2001, 9:30 PM CDT
In force
48 min
Issued by
NWS San Angelo, TX
Area
Whole counties

County Haskell County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 1.7 hours before the alert went out and 231 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, Fort Worth, TX at 00:00Z on 2001-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2160 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, Fort Worth, TX at 00:00Z on 2001-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 square meters per square second.1939Sfc1 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
2160 J/kg
Mixed-layer CIN
-170 J/kg
Mixed-layer LCL
1350 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KSJT 180143
SVRSJT

TXC207-180230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
842 PM CDT THU MAY 17 2001

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HASKELL COUNTY IN NORTH CENTRAL TEXAS

* UNTIL 930 PM CDT

* AT 837 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER RULE...OR ABOUT 8 MILES WEST OF HASKELL...
  MOVING SOUTHEAST AT 10 MPH.

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING
AND STAY AWAY FROM WINDOWS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT
DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

LAT...LON 3'318 9997 3308 9984 3316 9974 3324 9984

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 San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 17, 3:10 PM CDT, 5 hours 32 minutes earlier.

Area forecast discussion, May 17, 3:10 PM CDT, 5 hours 32 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
310 PM CDT THU MAY 17 2001

THE LOCATION OF WEAK COLD FRONT...STRENGTH OF CAP...AND POSSIBLE
INFLUENCE OF EMBEDDED UPPER IMPULSES WILL BEAR MONITORING FOR
THUNDERSTORM POSSIBILITY NEXT COUPLE OF DAYS. A SURFACE OUTFLOW
BOUNDARY HAS DRIFTED SOUTH INTO BIG COUNTRY...BUT THINK THE STRENGTH
OF CAP WILL PREVENT DEVELOPMENT THIS AFTERNOON/EVENING. WILL INSERT A
LOW POP FOR NORTHERNMOST COUNTIES OVERNIGHT...WHERE A FEW STORMS MAY
MOVE IN FROM THE NORTHWEST ALONG/AHEAD OF WEAK COLD FRONT. FRONT
PROGGED TO DRIFT SOUTH INTO CENTRAL COUNTIES ON FRIDAY...BEFORE
BECOMING NEARLY STATIONARY WITH LITTLE MOVEMENT INTO SATURDAY. WILL
CARRY LOW CHANCE POP OVER NORTHERN AND CENTRAL COUNTIES FRI...BUT CAP
STRENGTH MAY INHIBIT DEVELOPMENT. ETA BRINGS IN AN UPPER IMPULSE FRI
AFTERNOON...AND LIFT FROM THIS FEATURE MAY BE SUFFICIENT TO OVERCOME
CAP. WILL ALSO CARRY A LOW CHANCE POP FRI NIGHT AND SATURDAY ACROSS
NORTHERN AND CENTRAL COUNTIES...WITH PROXIMITY OF FRONT...SUFFICIENT
MOISTURE AND UNSTABLE AIRMASS.

IN THE EXTENDED...UPPER LOW OVER BAJA CA/NORTHERN MEXICO TO WEAKEN
WITH REMNANTS EJECTING ENE INTO TX. ANOTHER SURFACE FRONT/TROUGH ALSO
PROGGED TO MOVE SOUTHEAST INTO TX SUNDAY. WILL RETAIN SLIGHT CHANCE
POPS SUN...AND THIS MAY NEED TO BE UPGRADED IF LATER MODEL RUNS ARE
CONSISTENT WITH MOISTURE AVAILABILITY. STRONG UPPER TROUGH TO DIG SSE
INTO PLAINS EARLY NEXT WEEK...WITH ASSOCIATED COLD FRONT MOVING SOUTH
ACROSS OUR CWFA MONDAY. WILL INSERT SLIGHT CHANCE POP FOR MON WITH
THIS STRONGER FRONTT.

ABI 071/087/065/090 1322
SJT 070/092/068/095 0222
JCTB 068/093/069/094 0111

.SJT...NONE.

19

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 7:14 PM CDTSevere Thunderstorm WarningSJTHaskell46 min
May 17, 7:56 PM CDTSevere Thunderstorm WarningSJTHaskell49 min
May 17, 8:19 PM CDTTornado WarningSJTHaskell26 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; the sounding from the Mesonet's radiosonde archive.