Alert archive / Texas / Tornado Warnings in 2002

Tornado Warning 12, NWS Fort Worth, TX

April 16, 2002Johnson County, Texas

NWS Fort Worth, TX issued this tornado warning at Apr 16, 2002, 6:59 PM CDT for Johnson County, Texas. It was in force for 31 min. 2 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
Apr 16, 2002, 6:59 PM CDT (23:59 UTC)
Expired
Apr 16, 2002, 7:30 PM CDT
In force
31 min
Issued by
NWS Fort Worth, TX
Area
Counties, with a storm outline in the text

County Johnson County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 30 km from the middle of the area, began a volume at 00:02 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
Apr 16, 7:07 PM CDTTornado F0Grandview, TXThe tornado touched down in open country with no known damage.
Apr 16, 7:11 PM CDTTornado F0Grandview, TXThe tornado touched down in open country with no known damage.

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
Apr 16, 4:45 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 12.0 hours before the alert went out and 57 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 2002-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1027 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, Fort Worth, TX at 12:00Z on 2002-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
1027 J/kg
Mixed-layer CIN
-236 J/kg
Mixed-layer LCL
707 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
58 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.

000 
WFUS54 KFWD 162359
TORFTW
TXC251-170030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
659 PM CDT TUE APR 16 2002

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* TORNADO WARNING FOR...
  JOHNSON COUNTY IN NORTH CENTRAL TEXAS

* UNTIL 730 PM CDT

* AT 659 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO 8 MILES
  SOUTH OF VENUS...MOVING NORTHEAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  VENUS AROUND 715 PM CDT

EVACUATE MOBILE HOMES FOR A STORM SHELTER OR PERMANENT BUILDING. IF
NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH AND COVER
YOUR HEAD.

LAT...LON 3233 9721 3226 9718 3228 9710 3245 9709

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 4:30 PM CDTSevere Thunderstorm WarningFWDTarrant60 min
Apr 16, 4:40 PM CDTSevere Thunderstorm WarningFWDBosque65 min
Apr 16, 4:45 PM CDTSevere Thunderstorm WarningFWDJohnson60 min
Apr 16, 4:53 PM CDTSevere Thunderstorm WarningFWDJohnson52 min
Apr 16, 4:58 PM CDTTornado WarningFWDBosque47 min
Apr 16, 5:25 PM CDTSevere Thunderstorm WarningFWDDenton, Wise50 min
Apr 16, 5:30 PM CDTSevere Thunderstorm WarningFWDHill45 min
Apr 16, 5:31 PM CDTTornado WarningFWDTarrant29 min
Apr 16, 5:47 PM CDTSevere Thunderstorm WarningFWDJohnson58 min
Apr 16, 5:54 PM CDTTornado WarningFWDHill, Johnson51 min
Apr 16, 5:56 PM CDTTornado WarningFWDTarrant34 min
Apr 16, 6:03 PM CDTSevere Thunderstorm WarningFWDCollin42 min
Apr 16, 6:24 PM CDTTornado WarningFWDDallas51 min
Apr 16, 6:30 PM CDTSevere Thunderstorm WarningFWDTarrant45 min
Apr 16, 6:37 PM CDTSevere Thunderstorm WarningFWDEllis, Johnson53 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; radar from the NEXRAD Level II archive.