Alert archive / Texas / Tornado Warnings in 1999

Tornado Warning 35, NWS Fort Worth, TX

June 1, 1999Denton County, Wise County, Texas

NWS Fort Worth, TX issued this tornado warning at Jun 1, 1999, 6:53 PM CDT for Denton County, Wise County, Texas. It was in force for 67 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
Jun 1, 1999, 6:53 PM CDT (23:53 UTC)
Expired
Jun 1, 1999, 8:00 PM CDT
In force
67 min
Issued by
NWS Fort Worth, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Denton County, TX, Wise County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 58 km from the middle of the area, began a volume at 23:54 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.

IssuedProductOfficeLasted
Jun 1, 5:00 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.9 hours before the alert went out and 30 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, Fort Worth, TX at 12:00Z on 1999-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2199 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, Fort Worth, TX at 12:00Z on 1999-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 197 square meters per square second.193958Sfc1 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
2199 J/kg
Mixed-layer CIN
-300 J/kg
Mixed-layer LCL
804 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
197 m²/s²
0-3 km storm-relative helicity
183 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

026 
WFUS1 KFTW 012354 RRA
TORFTW
TXC121-497-020100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
653 PM CDT TUE JUN 1 1999

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS REISSUED A

* TORNADO WARNING FOR...
  DENTON COUNTY IN NORTH CENTRAL TEXAS...
  WISE COUNTY IN NORTH CENTRAL TEXAS...

* UNTIL 800 PM CDT...

* AT 653 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES WEST OF
  JUSTIN...MOVING EAST AT 5 MPH.

* THE TORNADO WILL BE NEAR...
  JUSTIN AROUND 755 PM...

DO NOT STOP UNDER BRIDGES OR HIGHWAY OVERPASSES SINCE THEY OFFER NO
PROTECTION FROM TORNADO WINDS. STOPPING INDER BRIDGES WILL BLOCK THE
ROAD PREVENTING YOU AN OTHERS FROM REACHING SAFE SHELTER.

LAT...LON 3314 9751 3301 9753 3300 9712 3317 9712

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 9:52 PM CDTSevere Thunderstorm WarningFWDYoung38 min
Jun 1, 5:12 PM CDTSevere Thunderstorm WarningFWDWise48 min
Jun 1, 5:13 PM CDTSevere Thunderstorm WarningFWDPalo Pinto47 min
Jun 1, 5:20 PM CDTSevere Thunderstorm WarningFWDParker40 min
Jun 1, 5:40 PM CDTTornado WarningFWDPalo Pinto, Parker35 min
Jun 1, 5:52 PM CDTTornado WarningFWDWise23 min
Jun 1, 6:05 PM CDTSevere Thunderstorm WarningFWDDenton55 min
Jun 1, 6:10 PM CDTSevere Thunderstorm WarningFWDTarrant65 min
Jun 1, 6:15 PM CDTSevere Thunderstorm WarningFWDParker60 min
Jun 1, 6:17 PM CDTSevere Thunderstorm WarningFWDWise58 min
Jun 1, 6:19 PM CDTSevere Thunderstorm WarningFWDCooke41 min
Jun 1, 6:24 PM CDTTornado WarningFWDParker51 min
Jun 1, 6:27 PM CDTTornado WarningFWDErath, Palo Pinto48 min
Jun 1, 6:27 PM CDTTornado WarningFWDCooke, Grayson33 min
Jun 1, 6:31 PM CDTTornado WarningFWDWise29 min
Jun 1, 6:42 PM CDTTornado WarningFWDTarrant33 min
Jun 1, 6:56 PM CDTTornado WarningFWDGrayson49 min

Nearby

Tornado Warnings in Texas, 1999Every tornado warning in 1999Tornadoes 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; radar from the NEXRAD Level II archive.