Alert archive / Texas / Tornado Warnings in 2002

Tornado Warning 39, NWS San Angelo, TX

May 4, 2002Nolan County, Texas

NWS San Angelo, TX issued this tornado warning at May 4, 2002, 11:57 PM CDT for Nolan County, Texas. It was in force for 63 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
May 4, 2002, 11:57 PM CDT (04:57 UTC)
Expired
May 5, 2002, 1:00 AM CDT
In force
63 min
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

County Nolan County, TX

What was reported inside it

TimeReportWhereRemark
May 5, 12:05 AM CDTHail 2.75Roscoe, TXHail up to the size of baseballs fell for nearly 40 minutes on the city of Roscoe causing damage to the school. Numerous homes received roof and window damage.
May 5, 12:20 AM CDTThunderstorm WindRoscoe, TXHigh winds blew a vehicle off of the road. Along with the high winds hail up to the size of Baseballs occurred as well.
May 5, 12:20 AM CDTHail 2.75Roscoe, TXBaseball size hail was reported northwest of Roscoe in northwestern Nolan County.

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 4, 10:45 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 5.0 hours before the alert went out and 173 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 00:00Z on 2002-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 806 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2002-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 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
806 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
2597 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSJT 050457
TORSJT
TXC353-050600-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
1157 PM CDT SAT MAY 4 2002

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* TORNADO WARNING FOR...
  NOLAN COUNTY IN NORTHWEST TEXAS

* UNTIL 100 AM CDT

* AT 1152 PM CDT...STORM SPOTTERS REPORTED A TORNADO 6 MILES MILES   
  NORTH OF COLORADO CITY...OR ABOUT 10 MILES WEST OF ROSCOE...MOVING 
  EAST AT 25 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
   CHAMPION AT 1210 AM CDT
   ROSCOE AT 1215 AM CDT
   SWEETWATER AT 1235 AM CDT

A TORNADO HAS BEEN CONFIRMED TAKE COVER IN A STURDY BUILDING NOW.
MOBILE HOMES AND VEHICLES ARE NOT SAFE.

LAT...LON 3249 10064 3234 10065 3231 10017 3250 10016

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 7:35 PM CDTFlash Flood WarningSJTTom Green115 min
May 4, 7:40 PM CDTSevere Thunderstorm WarningSJTRunnels65 min
May 4, 7:49 PM CDTSevere Thunderstorm WarningSJTConcho71 min
May 4, 8:05 PM CDTTornado WarningSJTConcho70 min
May 4, 8:10 PM CDTTornado WarningSJTTom Green20 min
May 4, 8:14 PM CDTSevere Thunderstorm WarningSJTTaylor61 min
May 4, 8:28 PM CDTSevere Thunderstorm WarningSJTFisher47 min
May 4, 8:30 PM CDTSevere Thunderstorm WarningSJTFisher45 min
May 4, 8:34 PM CDTTornado WarningSJTFisher41 min
May 4, 8:57 PM CDTFlash Flood WarningSJTConcho3 hr
May 4, 8:57 PM CDTFlash Flood WarningSJTConcho63 min
May 4, 9:03 PM CDTTornado WarningSJTMcCulloch72 min
May 4, 9:15 PM CDTTornado WarningSJTFisher35 min
May 4, 9:15 PM CDTTornado WarningSJTConcho60 min
May 4, 9:16 PM CDTTornado WarningSJTFisher34 min
May 4, 9:27 PM CDTTornado WarningSJTJones73 min
May 4, 9:41 PM CDTSevere Thunderstorm WarningSJTShackelford49 min
May 4, 9:53 PM CDTFlash Flood WarningSJTMcCulloch3 hr
May 4, 10:13 PM CDTSevere Thunderstorm WarningSJTSan Saba62 min
May 4, 10:17 PM CDTTornado WarningSJTMcCulloch43 min
May 4, 10:25 PM CDTSevere Thunderstorm WarningSJTFisher65 min
May 4, 10:33 PM CDTTornado WarningSJTSan Saba57 min
May 4, 10:42 PM CDTTornado WarningSJTFisher, Nolan63 min
May 4, 11:03 PM CDTSevere Thunderstorm WarningSJTShackelford42 min
May 4, 11:29 PM CDTTornado WarningSJTSan Saba31 min
May 4, 11:46 PM CDTSevere Thunderstorm WarningSJTTaylor74 min
May 4, 11:47 PM CDTSevere Thunderstorm WarningSJTNolan28 min
May 5, 12:57 AM CDTTornado WarningSJTNolan, Taylor63 min
May 5, 1:46 AM CDTSevere Thunderstorm WarningSJTRunnels44 min
May 5, 1:57 AM CDTSevere Thunderstorm WarningSJTTaylor33 min
May 5, 2:45 AM CDTTornado WarningSJTCallahan45 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.