Alert archive / Texas / Tornado Warnings in 2004

Tornado Warning 9, NWS San Angelo, TX

March 4, 2004McCulloch County, Mason County, Texas

NWS San Angelo, TX issued this tornado warning at Mar 4, 2004, 12:17 PM CST for McCulloch County, Mason County, Texas. It was in force for 43 min. 1 report 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
Mar 4, 2004, 12:17 PM CST (18:17 UTC)
Expired
Mar 4, 2004, 1:00 PM CST
In force
43 min
Issued by
NWS San Angelo, TX
Area
Counties, with a storm outline in the text

Counties Mason County, TX, McCulloch County, TX

The radar

The San Angelo radar (KSJT), 117 km from the middle of the area, began a volume at 18:20 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Mar 4, 12:20 PM CSTTSTM WND GST 0Voca, TXHIGHWAY SIGNS BLOWN DOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 4, 11:50 AM CSTTornado WatchSPC5 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 6.3 hours before the alert went out and 240 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, Del Rio, TX at 12:00Z on 2004-03-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1872 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 12:00Z on 2004-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 256 square meters per square second.1939587897117136Sfc1 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
1872 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
560 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
256 m²/s²
0-3 km storm-relative helicity
284 m²/s²
Significant tornado parameter
3.4
Supercell composite
12.6

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSJT 041817
TORSJT
TXC307-319-041900-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
1217 PM CST THU MAR 4 2004

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN MASON COUNTY IN WEST CENTRAL TEXAS
  MCCULLOCH COUNTY IN WEST CENTRAL TEXAS
  
* UNTIL 100 PM CST

* AT 1210 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES WEST OF
  KATEMCY...OR ABOUT 14 MILES SOUTH OF BRADY...MOVING NORTHEAST AT 35
  MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  BRADY BY 1225 PM CST
  VOCA BY 1230 PM CST
  ROCHELLE BY 1240 PM CST

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SVR TSTM WATCH IS IN EFFECT A SEVERE THUNDERSTORM WATCH REMAINS IN
EFFECT UNTIL 100 PM CST THURSDAY AFTERNOON FOR WEST CENTRAL TEXAS. A
SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 100 PM CST
THURSDAY AFTERNOON FOR WEST CENTRAL TEXAS.

LAT...LON 3117 9951 3087 9945 3085 9912 3114 9913
          3127 9915

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 4, 3:17 AM CSTSevere Thunderstorm WarningSJTHaskell58 min
Mar 4, 9:47 AM CSTSevere Thunderstorm WarningSJTSterling43 min
Mar 4, 9:58 AM CSTSevere Thunderstorm WarningSJTCrockett47 min
Mar 4, 10:10 AM CSTSevere Thunderstorm WarningSJTIrion50 min
Mar 4, 10:28 AM CSTSevere Thunderstorm WarningSJTTom Green47 min
Mar 4, 10:33 AM CSTSevere Thunderstorm WarningSJTCoke42 min
Mar 4, 10:41 AM CSTTornado WarningSJTTom Green49 min
Mar 4, 10:42 AM CSTSevere Thunderstorm WarningSJTSchleicher, Sutton63 min
Mar 4, 10:48 AM CSTSevere Thunderstorm WarningSJTFisher, Nolan42 min
Mar 4, 10:55 AM CSTTornado WarningSJTCoke50 min
Mar 4, 11:00 AM CSTTornado WarningSJTNolan30 min
Mar 4, 11:05 AM CSTTornado WarningSJTFisher25 min
Mar 4, 11:06 AM CSTSevere Thunderstorm WarningSJTConcho39 min
Mar 4, 11:15 AM CSTSevere Thunderstorm WarningSJTRunnels45 min
Mar 4, 11:20 AM CSTTornado WarningSJTJones40 min
Mar 4, 11:24 AM CSTTornado WarningSJTTaylor51 min
Mar 4, 11:43 AM CSTSevere Thunderstorm WarningSJTColeman, McCulloch62 min
Mar 4, 11:49 AM CSTSevere Thunderstorm WarningSJTConcho41 min
Mar 4, 11:49 AM CSTTornado WarningSJTHaskell41 min
Mar 4, 11:57 AM CSTTornado WarningSJTCallahan, Shackelford48 min
Mar 4, 12:09 PM CSTSevere Thunderstorm WarningSJTKimble, Mason, Menard, Throckmorton51 min
Mar 4, 12:24 PM CSTSevere Thunderstorm WarningSJTBrown51 min
Mar 4, 12:28 PM CSTTornado WarningSJTBrown62 min
Mar 4, 12:32 PM CSTSevere Thunderstorm WarningSJTSan Saba58 min

Nearby

Tornado Warnings in Texas, 2004Every tornado warning in 2004Tornadoes in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.