Alert archive / Texas / Tornado Warnings in 2002

Tornado Warning 17, NWS San Angelo, TX

April 7, 2002Crockett County, Texas

NWS San Angelo, TX issued this tornado warning at Apr 7, 2002, 2:02 PM CDT for Crockett County, Texas. It was in force for 58 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 7, 2002, 2:02 PM CDT (19:02 UTC)
Expired
Apr 7, 2002, 3:00 PM CDT
In force
58 min
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

County Crockett County, TX

What was reported inside it

TimeReportWhereRemark
Apr 7, 2:46 PM CDTTornado F0Ozona, TXLaw enforcement reported a brief tornado touch down 8 miles southwest of Ozona. No injuries or damage was reported.
Apr 7, 3:00 PM CDTHail 1Ozona, TX
Apr 7, 3:03 PM CDTTornado F0Ozona, TXA storm chaser spotted a second tornado from the main storm, passing south of Ozona in central Crockett County. Again, no injuries or damage was reported.

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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this tornado warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 7, 1:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 7.0 hours before the alert went out and 156 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, Midland Regional, TX at 12:00Z on 2002-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1670 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, Midland Regional, TX at 12:00Z on 2002-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 251 square meters per square second.1939587897Sfc1 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
1670 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
501 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
251 m²/s²
0-3 km storm-relative helicity
276 m²/s²
Significant tornado parameter
0.0
Supercell composite
9.4

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSJT 071902
TORSJT
TXC105-072000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
202 PM CDT SUN APR 7 2002

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* TORNADO WARNING FOR...
  CROCKETT COUNTY IN SOUTHWEST TEXAS

* UNTIL 300 PM CDT

* AT 200 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 33 MILES WEST OF OZONA...MOVING EAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
   OZONA AROUND 300 PM CDT

A TORNADO MAY FORM AT ANY TIME. TAKE COVER NOW ABANDON MOBILE HOMES
AND VEHICLES FOR MORE SUBSTANTIAL SHELTER.

LAT...LON 3068 10184 3050 10183 3047 10106 3100 10113

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at Apr 7, 1:15 PM CDT, 47 minutes earlier.

Area forecast discussion, Apr 7, 1:15 PM CDT, 47 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION...CORRECTED TIME
NATIONAL WEATHER SERVICE SAN ANGELO TX
115 PM CDT SUN APR 7 2002

UPDATED ZONE PACKAGE FOR TORNADO WATCH UNTIL 7 PM THIS EVENING.

.SJT...TORNADO WATCH ALL ZONES...EXCEPT BROWN...MASON...AND SAN SABA
    ...UNTIL 7 PM THIS EVENING.

    ...CAUTION ON AREA LAKES ALL ZONES THIS AFTERNOON.

23/HUBER

****  312 AM CDT SUN APR 7 2002 DISCUSSION FOLLOWS  ****

ONGOING PRECIP THIS MORNING ACROSS WEST CENTRAL TEXAS HELPED ALONG
BY A VORT MAX MOVING ACROSS AHEAD OF THE MAIN UPPER TOUGH OVER
WESTERN NEW MEXICO.  PRECIP WILL CONTINUE TO MOVE EASTWARD ACROSS
THE CONCHO VALLEY AND BIG COUNTRY THIS MORNING.  CONVECTION WILL
REMAIN ELEVATED EARLY THIS MORNING ABOVE A COOL AND STABLE
SURFACE...BUT WOULD NOT BE SURPRISED TO SEE A LITTLE HAIL WITH A
COUPLE OF THE STRONGER STORMS.  MAIN PRECIP THIS MORNING WILL OCCUR
ACROSS THE BIG COUNTRY AS THE STORMS CONTINUE TO MOVE NORTHEAST.

ANOTHER ROUND OF STORMS IS EXPECTED THIS AFTERNOON AS THE DRYLINE
OVER FAR WEST TEXAS MOVES EASTWARD ACROSS THE AREA AS THE MAIN UPPER
TROUGH MOVES EAST.  STORMS SHOULD BEGIN TO FIRE EARLY THIS AFTERNOON
ACROSS WESTERN COUNTIES AND MOVE EASTWARD THROUGH THE AFTERNOON AND
EVENING HOURS.  LOW CLOUDS AND DRIZZLE ACROSS MUCH OF WEST CENTRAL
TEXAS WILL INHIBIT DAYTIME HEATING...BUT WITH COOLER TEMPERATURES
ALOFT...WILL STILL SEE DECENT INSTABILITY.  ETA STILL SHOWING CAPES
IN THE 1500 RANGE BY THIS AFTERNOON ACROSS CENTRAL AND EASTERN
COUNTIES.  EXPECT TO SEE A FEW SEVERE STORMS THIS AFTERNOON AND
EVENING AS THE UPPER TROUGH AND DRYLINE MOVE THROUGH.

CLEARING EXPECTED TONIGHT FROM WEST TO EAST WITH TEMPERATURES A BIT
COOLER BY MORNING.  ZONAL FLOW EXPECTED THROUGH MID WEEK WITH PARTLY
CLOUDY SKIES...WARMER TEMPERATURES AND NO PRECIP.  THE NEXT UPPER
TROUGH MOVES INTO THE WEST COAST ON WEDNESDAY...REACHING WEST TEXAS
ON FRIDAY. LATEST MODEL RUN SHOWS THE TRACK A LITTLE FURTHER SOUTH
INTO WEST CENTRAL TEXAS ON FRIDAY AFTERNOON.  WILL GO AHEAD AND
INTRODUCE MORE CLOUDS AND A SLIGHT CHANCE OF PRECIP INTO THE
FORECAST FOR FRIDAY.

CCF PRELIMS...

ABI 070/051/075/050 630
SJT 073/052/077/051 510
JCT 075/053/078/050 550

.SJT...CAUTION ON AREA LAKES TODAY.

08

In the hours before

Special weather statement, Apr 7, 12:00 PM CDT, 2 hours 2 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-071930-

WEST CENTRAL TEXAS HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
1200 PM CDT SUN APR 7 2002

...THERE IS A MODERATE RISK FOR SEVERE STORMS OVER ALL OF WEST
CENTRAL TEXAS THIS AFTERNOON...

A POTENT UPPER LEVEL DISTURBANCE WILL MOVE OUT OF NEW MEXICO INTO
WEST TEXAS THIS AFTERNOON INTO TONIGHT. A DRYLINE WILL ADVANCE
EASTWARD ACROSS MUCH OF WEST CENTRAL TEXAS DURING THE AFTERNOON.
THUNDERSTORMS WILL RAPIDLY DEVELOP BY EARLY AFTERNOON ALONG THE
DRYLINE AS IT ENTERS WESTERN SECTIONS OF THE REGION. CONDITIONS WILL
BE FAVORABLE FOR THE STORMS WILL RAPIDLY INTENSIFY AND BECOME
SEVERE.

GIVEN THE STRENGTH OF THIS SYSTEM...ISOLATED STRONG TORNADOS WILL BE
POSSIBLE...ALONG WITH VERY LARGE HAIL AND DAMAGING WINDS.

PEOPLE THROUGHOUT WEST CENTRAL TEXAS SHOULD TUNE INTO NOAA WEATHER
RADIO...LOCAL TELEVISION AND RADIO STATIONS FOR THE LATEST WEATHER
INFORMATION THIS AFTERNOON AND EVENING. KEEP INFORMED OF THE LATEST
WEATHER DEVELOPMENTS. BE READY TO SEEK SHELTER IF WARNINGS ARE
ISSUED.

SPOTTER ACTIVATION WILL LIKELY BE NEEDED.
Special weather statement, Apr 7, 12:08 PM CDT, 1 hour 54 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-071930-

WEST CENTRAL TEXAS HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE SAN ANGELO TX
1208 PM CDT SUN APR 7 2002

...THERE IS A MODERATE RISK FOR SEVERE STORMS OVER ALL OF WEST
CENTRAL TEXAS THIS AFTERNOON...

A POTENT UPPER LEVEL DISTURBANCE WILL MOVE OUT OF NEW MEXICO INTO
WEST TEXAS THIS AFTERNOON INTO TONIGHT. A DRYLINE WILL ADVANCE
EASTWARD ACROSS MUCH OF WEST CENTRAL TEXAS DURING THE AFTERNOON.
THUNDERSTORMS WILL RAPIDLY DEVELOP BY EARLY AFTERNOON ALONG THE
DRYLINE AS IT ENTERS WESTERN SECTIONS OF THE REGION. CONDITIONS WILL
BE FAVORABLE FOR THE STORMS TO RAPIDLY INTENSIFY AND BECOME
SEVERE.

GIVEN THE STRENGTH OF THIS SYSTEM...ISOLATED STRONG TORNADOS WILL BE
POSSIBLE...ALONG WITH VERY LARGE HAIL AND DAMAGING WINDS.

PEOPLE THROUGHOUT WEST CENTRAL TEXAS SHOULD TUNE INTO NOAA WEATHER
RADIO...LOCAL TELEVISION AND RADIO STATIONS FOR THE LATEST WEATHER
INFORMATION THIS AFTERNOON AND EVENING. BE READY TO SEEK SHELTER IF
WARNINGS ARE ISSUED.

SPOTTER ACTIVATION WILL LIKELY BE NEEDED.
Special weather statement, Apr 7, 12:09 PM CDT, 1 hour 53 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140-
154-155-168>170-071930-

WEST CENTRAL TEXAS HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE SAN ANGELO TX
1209 PM CDT SUN APR 7 2002

...THERE IS A MODERATE RISK FOR SEVERE STORMS OVER ALL OF WEST
CENTRAL TEXAS THIS AFTERNOON...

A POTENT UPPER LEVEL DISTURBANCE WILL MOVE OUT OF NEW MEXICO INTO
WEST TEXAS THIS AFTERNOON INTO TONIGHT. A DRYLINE WILL ADVANCE
EASTWARD ACROSS MUCH OF WEST CENTRAL TEXAS DURING THE AFTERNOON.
THUNDERSTORMS WILL RAPIDLY DEVELOP BY EARLY AFTERNOON ALONG THE
DRYLINE AS IT ENTERS WESTERN SECTIONS OF THE REGION. CONDITIONS WILL
BE FAVORABLE FOR THE STORMS TO RAPIDLY INTENSIFY AND BECOME
SEVERE.

GIVEN THE STRENGTH OF THIS SYSTEM...ISOLATED STRONG TORNADOES WILL
BE POSSIBLE...ALONG WITH VERY LARGE HAIL AND DAMAGING WINDS.

PEOPLE THROUGHOUT WEST CENTRAL TEXAS SHOULD TUNE INTO NOAA WEATHER
RADIO...LOCAL TELEVISION AND RADIO STATIONS FOR THE LATEST WEATHER
INFORMATION THIS AFTERNOON AND EVENING. BE READY TO SEEK SHELTER IF
WARNINGS ARE ISSUED.

SPOTTER ACTIVATION WILL LIKELY BE NEEDED.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 7:29 PM CSTSevere Thunderstorm WarningSJTTaylor31 min
Apr 7, 1:32 PM CDTSevere Thunderstorm WarningSJTSterling58 min
Apr 7, 2:35 PM CDTSevere Thunderstorm WarningSJTHaskell40 min
Apr 7, 2:57 PM CDTTornado WarningSJTCrockett48 min
Apr 7, 3:07 PM CDTSevere Thunderstorm WarningSJTThrockmorton53 min
Apr 7, 3:10 PM CDTSevere Thunderstorm WarningSJTSterling65 min
Apr 7, 3:12 PM CDTSevere Thunderstorm WarningSJTTaylor33 min
Apr 7, 3:14 PM CDTSevere Thunderstorm WarningSJTTom Green46 min
Apr 7, 3:17 PM CDTSevere Thunderstorm WarningSJTCoke58 min
Apr 7, 3:19 PM CDTSevere Thunderstorm WarningSJTHaskell41 min
Apr 7, 3:25 PM CDTTornado WarningSJTSchleicher, Sutton65 min
Apr 7, 3:30 PM CDTTornado WarningSJTThrockmorton60 min
Apr 7, 3:40 PM CDTSevere Thunderstorm WarningSJTColeman, Runnels35 min
Apr 7, 3:42 PM CDTSevere Thunderstorm WarningSJTTaylor63 min
Apr 7, 3:44 PM CDTSevere Thunderstorm WarningSJTCallahan61 min
Apr 7, 3:52 PM CDTSevere Thunderstorm WarningSJTShackelford53 min
Apr 7, 3:55 PM CDTSevere Thunderstorm WarningSJTJones65 min
Apr 7, 3:58 PM CDTSevere Thunderstorm WarningSJTCrockett62 min
Apr 7, 4:08 PM CDTFlash Flood WarningSJTThrockmorton2 hr
Apr 7, 4:09 PM CDTSevere Thunderstorm WarningSJTColeman, Runnels66 min
Apr 7, 4:22 PM CDTSevere Thunderstorm WarningSJTFisher53 min
Apr 7, 4:24 PM CDTTornado WarningSJTMenard, Schleicher66 min
Apr 7, 4:27 PM CDTTornado WarningSJTThrockmorton48 min
Apr 7, 4:43 PM CDTSevere Thunderstorm WarningSJTConcho, McCulloch62 min
Apr 7, 5:04 PM CDTSevere Thunderstorm WarningSJTBrown56 min
Apr 7, 5:25 PM CDTTornado WarningSJTMcCulloch, Mason, Menard65 min

Nearby

Tornado Warnings in Texas, 2002Every tornado warning in 2002Tornadoes in 2002

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.