Alert archive / Texas / Tornado Warnings in 2004

Tornado Warning 2, NWS Shreveport, LA

March 4, 2004Smith County, Texas

NWS Shreveport, LA issued this tornado warning at Mar 4, 2004, 5:14 PM CST for Smith County, Texas. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Mar 4, 2004, 5:14 PM CST (23:14 UTC)
Expired: Mar 4, 2004, 6:15 PM CST
In force: 61 min
Issued by: NWS Shreveport, LA
Area: Counties, with a storm outline in the text

County Smith County, TX

The radar

The Shreveport radar (KSHV), 147 km from the middle of the area, began a volume at 23:16 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Mar 4, 3:00 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 11.2 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 18 J/kg
Mixed-layer CIN: -235 J/kg
Mixed-layer LCL: 713 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 214 m²/s²
0-3 km storm-relative helicity: 187 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

686 
WFUS54 KSHV 042314
TORSHV
TXC423-050015-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
513 PM CST THU MAR 4 2004

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  SMITH COUNTY IN NORTHEAST TEXAS
  THIS INCLUDES THE CITY OF TYLER

* UNTIL 615 PM CST

* AT 511 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 20 MILES
  SOUTHWEST OF TYLER...MOVING NORTHEAST AT 40 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  TYLER BY 540 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.

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

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
FOR...
  SMITH COUNTY IN NORTHEAST TEXAS
UNTIL 615 PM CST.

LAT...LON 3221 9547 3235 9544 3238 9540 3238 9535
          3225 9521 3215 9532 3215 9547

$$

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 4, 4:13 PM CST	Severe Thunderstorm Warning	SHV	Smith, Wood	62 min
Mar 4, 4:43 PM CST	Severe Thunderstorm Warning	SHV	Camp, Franklin, Red River, Titus	47 min
Mar 4, 4:50 PM CST	Tornado Warning	SHV	Red River	40 min
Mar 4, 5:18 PM CST	Severe Thunderstorm Warning	SHV	Cherokee	57 min
Mar 4, 5:19 PM CST	Severe Thunderstorm Warning	SHV	Upshur	41 min
Mar 4, 5:23 PM CST	Severe Thunderstorm Warning	SHV	Bowie, Cass, Morris	52 min
Mar 4, 5:41 PM CST	Severe Thunderstorm Warning	SHV	Gregg, Rusk	49 min

Nearby

Tornado Warnings in Texas, 2004 Every tornado warning in 2004 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.