Alert archive / Texas / Tornado Warnings in 2018

Tornado Warning 2, NWS Fort Worth, TX

January 21, 20184 counties in Texas

NWS Fort Worth, TX issued this tornado warning at Jan 21, 2018, 5:58 PM CST for 4 counties in Texas. It was in force for 32 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: Jan 21, 2018, 5:58 PM CST (23:58 UTC)
Expired: Jan 21, 2018, 6:30 PM CST
In force: 32 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Hunt County, TX, Kaufman County, TX, Rains County, TX, Van Zandt County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 127 km from the middle of the area, began a volume at 00:01 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
Jan 21, 3:05 PM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 12.0 hours before the alert went out and 122 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: 5 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 632 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 205 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

152 
WFUS54 KFWD 212358
TORFWD
TXC231-257-379-467-220030-
/O.NEW.KFWD.TO.W.0002.180121T2358Z-180122T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Fort Worth TX
558 PM CST SUN JAN 21 2018

The National Weather Service in Fort Worth has issued a

* Tornado Warning for...
  Southern Hunt County in north central Texas...
  Northeastern Kaufman County in north central Texas...
  Northwestern Van Zandt County in north central Texas...
  Northwestern Rains County in north central Texas...

* Until 630 PM CST.

* At 557 PM CST, a severe thunderstorm capable of producing a tornado
  was located near Terrell, moving northeast at 45 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Lake Tawakoni State Park around 615 PM CST. 
  Quinlan and Hawk Cove around 620 PM CST. 
  West Tawakoni and East Tawakoni around 625 PM CST. 

Other locations impacted by this tornadic thunderstorm include Oak
Ridge, Lone Oak and Point.

This includes the following interstates...
 Interstate 20 between mile markers 498 and 512.
 Interstate 30 between mile markers 89 and 98.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 3258 9616 3268 9634 3317 9612 3304 9586
      3298 9586 3298 9573 3296 9569
TIME...MOT...LOC 2357Z 212DEG 38KT 3270 9621 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

30

2 follow-up statements

033 
WWUS54 KFWD 220015
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
615 PM CST SUN JAN 21 2018

TXC231-257-379-467-220030-
/O.CON.KFWD.TO.W.0002.000000T0000Z-180122T0030Z/
Hunt TX-Kaufman TX-Van Zandt TX-Rains TX-
615 PM CST SUN JAN 21 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CST FOR
SOUTHEASTERN HUNT...NORTHEASTERN KAUFMAN...NORTHWESTERN VAN ZANDT AND
NORTHWESTERN RAINS COUNTIES...
    
At 615 PM CST, a severe thunderstorm capable of producing a tornado
was located over Hawk Cove, or 11 miles northwest of Wills Point,
moving northeast at 45 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  West Tawakoni around 620 PM CST. 
  East Tawakoni around 625 PM CST. 

Other locations impacted by this tornadic thunderstorm include Lone
Oak and Point.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter now!  Get to an
interior room on the lowest floor of a sturdy building and avoid
windows.

&&

LAT...LON 3273 9610 3283 9618 3317 9612 3304 9586
      3298 9586 3298 9573 3296 9569
TIME...MOT...LOC 0015Z 212DEG 38KT 3286 9609 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

Carlaw

045 
WWUS54 KFWD 220030
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
630 PM CST SUN JAN 21 2018

TXC231-257-379-467-220040-
/O.EXP.KFWD.TO.W.0002.000000T0000Z-180122T0030Z/
Hunt TX-Kaufman TX-Van Zandt TX-Rains TX-
630 PM CST SUN JAN 21 2018

...THE TORNADO WARNING FOR SOUTHEASTERN HUNT...NORTHEASTERN
KAUFMAN...NORTHWESTERN VAN ZANDT AND NORTHWESTERN RAINS COUNTIES HAS
EXPIRED...
                
The rotation associated with the storm that prompted the Tornado
Warning has weakened, and no longer appears capable of producing a
tornado. Therefore the Tornado Warning has been allowed to expire.

A tornado watch remains in effect until 1100 PM CST for north central
Texas.

LAT...LON 3273 9610 3283 9618 3317 9612 3304 9586
      3298 9586 3298 9573 3296 9569
TIME...MOT...LOC 0030Z 212DEG 38KT 3299 9600 

$$

Carlaw

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 21, 4:55 AM CST	Fire Weather Watch	FWD	Bell, Bosque, Collin, Comanche, Cooke, Coryell and 22 more	24 hr
Jan 21, 2:40 PM CST	Special Weather Statement	FWD	Rockwall	50 min
Jan 21, 3:18 PM CST	Special Weather Statement	FWD	Fannin	27 min
Jan 21, 3:26 PM CST	Special Weather Statement	FWD	Johnson	34 min
Jan 21, 3:34 PM CST	Severe Thunderstorm Warning	FWD	Johnson, Parker, Tarrant	41 min
Jan 21, 3:42 PM CST	Special Weather Statement	FWD	Lamar	33 min
Jan 21, 3:56 PM CST	Severe Thunderstorm Warning	FWD	Delta, Fannin, Lamar	64 min
Jan 21, 4:08 PM CST	Special Weather Statement	FWD	Denton	52 min
Jan 21, 4:12 PM CST	Special Weather Statement	FWD	Hunt	33 min
Jan 21, 4:17 PM CST	Special Weather Statement	FWD	Tarrant	28 min
Jan 21, 4:31 PM CST	Tornado Warning	FWD	Lamar	29 min
Jan 21, 4:45 PM CST	Special Weather Statement	FWD	Grayson	30 min
Jan 21, 4:46 PM CST	Special Weather Statement	FWD	Dallas	29 min
Jan 21, 5:14 PM CST	Special Weather Statement	FWD	Collin	46 min
Jan 21, 5:29 PM CST	Special Weather Statement	FWD	Hopkins	46 min
Jan 21, 5:42 PM CST	Special Weather Statement	FWD	Kaufman	33 min
Jan 21, 5:46 PM CST	Severe Thunderstorm Warning	FWD	Kaufman	29 min

Nearby

Tornado Warnings in Texas, 2018 Every tornado warning in 2018 Tornadoes in 2018

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.