Alert archive / Texas / Tornado Warnings in 1999

Tornado Warning 13, NWS Fort Worth, TX

May 4, 1999Lamar County, Texas

NWS Fort Worth, TX issued this tornado warning at May 4, 1999, 3:25 PM CDT for Lamar County, Texas. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: May 4, 1999, 3:25 PM CDT (20:25 UTC)
Expired: May 4, 1999, 4:00 PM CDT
In force: 35 min
Issued by: NWS Fort Worth, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Lamar County, TX

The watch it was issued in

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

Issued	Product	Office	Lasted
May 4, 11:00 AM CDT	Tornado Watch	SPC	5 hr
May 4, 3:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 8.4 hours before the alert went out and 196 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: 1720 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 709 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 294 m²/s²
0-3 km storm-relative helicity: 393 m²/s²
Significant tornado parameter: 3.4
Supercell composite: 21.0

Open this sounding in Storm Lab

The text

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

999 
WFUS1 KFTW 042026 RRA
TORFTW
TXC277-042100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
325 PM CDT TUE MAY 4 1999

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* TORNADO WARNING FOR...
  LAMAR COUNTY IN NORTHEAST TEXAS

* UNTIL 400 PM CDT

* AT 325 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR PARIS...
  MOVING EAST AT 40 MPH.

* LOCATIONS IN THE WARNING INCLUDE PARIS AND BLOSSOM

* THE TORNADO WILL BE NEAR...
  BLOSSOM AND SUN VALLEY AROUND 330 PM 

IF YOU ARE IN YOUR CAR WHEN A TORNADO APPROACHES...DRIVE AT A RIGHT
ANGLE TO THE TORNADO PATH. IF YOU CANNOT DRIVE OUT OF THE TORNADO
PATH...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO STRUCTURE IS
NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT. DO NOT STOP UNDER
HIGHWAY OVERPASSES.

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 A MOBILE HOME...EVACUATE 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.

LAT...LON 3376 9559 3365 9558 3366 9531 3388 9534

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 3, 11:09 PM CDT	Severe Thunderstorm Warning	FWD	Parker	51 min
May 3, 11:15 PM CDT	Severe Thunderstorm Warning	FWD	Tarrant	45 min
May 3, 11:23 PM CDT	Severe Thunderstorm Warning	FWD	Wise	52 min
May 4, 12:11 AM CDT	Tornado Warning	FWD	Wise	34 min
May 4, 12:45 AM CDT	Tornado Warning	FWD	Denton, Wise	30 min
May 4, 4:54 AM CDT	Severe Thunderstorm Warning	FWD	Cooke	36 min
May 4, 11:45 AM CDT	Severe Thunderstorm Warning	FWD	Montague	45 min
May 4, 12:01 PM CDT	Severe Thunderstorm Warning	FWD	Wise	44 min
May 4, 12:13 PM CDT	Severe Thunderstorm Warning	FWD	Hood, Parker	47 min
May 4, 12:18 PM CDT	Severe Thunderstorm Warning	FWD	Cooke	42 min
May 4, 12:28 PM CDT	Severe Thunderstorm Warning	FWD	Tarrant	47 min
May 4, 12:41 PM CDT	Tornado Warning	FWD	Hood, Parker	34 min
May 4, 12:47 PM CDT	Severe Thunderstorm Warning	FWD	Denton	43 min
May 4, 12:51 PM CDT	Tornado Warning	FWD	Tarrant	39 min
May 4, 1:00 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Grayson	45 min
May 4, 1:00 PM CDT	Severe Thunderstorm Warning	FWD	Cooke	45 min
May 4, 1:06 PM CDT	Tornado Warning	FWD	Collin	24 min
May 4, 1:16 PM CDT	Severe Thunderstorm Warning	FWD	Hopkins	44 min
May 4, 1:24 PM CDT	Severe Thunderstorm Warning	FWD	Denton	51 min
May 4, 1:29 PM CDT	Severe Thunderstorm Warning	FWD	Tarrant	46 min
May 4, 1:35 PM CDT	Severe Thunderstorm Warning	FWD	Fannin	40 min
May 4, 1:52 PM CDT	Severe Thunderstorm Warning	FWD	Van Zandt	23 min
May 4, 2:07 PM CDT	Severe Thunderstorm Warning	FWD	Lamar	53 min
May 4, 2:09 PM CDT	Severe Thunderstorm Warning	FWD	Dallas	51 min
May 4, 2:17 PM CDT	Severe Thunderstorm Warning	FWD	Fannin	28 min
May 4, 2:55 PM CDT	Severe Thunderstorm Warning	FWD	Dallas	50 min
May 4, 3:04 PM CDT	Severe Thunderstorm Warning	FWD	Lamar	41 min
May 4, 3:24 PM CDT	Severe Thunderstorm Warning	FWD	Kaufman, Van Zandt	36 min
May 4, 3:38 PM CDT	Severe Thunderstorm Warning	FWD	Hopkins, Hunt, Rains	37 min
May 4, 3:59 PM CDT	Severe Thunderstorm Warning	FWD	Kaufman, Van Zandt	61 min
May 4, 4:21 PM CDT	Severe Thunderstorm Warning	FWD	Rains	54 min
May 4, 4:36 PM CDT	Tornado Warning	FWD	Rains, Van Zandt	24 min
May 4, 4:46 PM CDT	Tornado Warning	FWD	Kaufman	29 min
May 4, 4:55 PM CDT	Severe Thunderstorm Warning	FWD	Ellis, Henderson, Navarro	50 min
May 4, 4:55 PM CDT	Tornado Warning	FWD	Ellis, Henderson, Navarro	50 min
May 4, 5:25 PM CDT	Tornado Warning	FWD	Kaufman	50 min
May 4, 6:04 PM CDT	Severe Thunderstorm Warning	FWD	Anderson, Freestone	56 min
May 4, 6:40 PM CDT	Tornado Warning	FWD	Anderson	35 min

Nearby

Tornado Warnings in Texas, 1999 Every tornado warning in 1999 Tornadoes in 1999

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.