Alert archive / Texas / Tornado Warnings in 2017

Tornado Warning 8, NWS Fort Worth, TX

January 15, 2017Tarrant County, Texas

NWS Fort Worth, TX issued this tornado warning at Jan 15, 2017, 8:14 PM CST for Tarrant 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: Jan 15, 2017, 8:14 PM CST (02:14 UTC)
Expired: Jan 15, 2017, 8:45 PM CST
In force: 31 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Tarrant County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 26 km from the middle of the area, began a volume at 02:13 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

Time	Report	Where	Remark
Jan 15, 8:30 PM CST	TSTM WND DMG	Mansfield, TX	SHINGLES OFF ROOF NEAR 360 AND NORTH HOLLAND ROAD
Jan 15, 8:55 PM CST	TSTM WND GST 63	3 E Arlington, TX	AT KGPM

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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 2, 1:39 AM CST	Severe Thunderstorm Watch	SPC	59 days
Jan 15, 6:00 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 2.2 hours before the alert went out and 25 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: 211 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 548 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 368 m²/s²
0-3 km storm-relative helicity: 509 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.2

Open this sounding in Storm Lab

The text

As transmitted.

832 
WFUS54 KFWD 160214
TORFWD
TXC439-160245-
/O.NEW.KFWD.TO.W.0008.170116T0214Z-170116T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Fort Worth TX
814 PM CST SUN JAN 15 2017

The National Weather Service in Fort Worth has issued a

* Tornado Warning for...
  Southeastern Tarrant County in north central Texas...

* Until 845 PM CST
    
* At 813 PM CST, a severe thunderstorm capable of producing a 
  tornado was located south of Mansfield near Highway 287.  This 
  storm will move north toward Highway 287 in Mansfield at 30 mph.

  HAZARD...Tornado and quarter size hail. 

  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. 

* Locations impacted include...
  Mansfield and Arlington

THIS INCLUDES THE FOLLOWING INTERSTATES...
 INTERSTATE 20 between MILE MARKERs 446 and 453.
 INTERSTATE 30 between MILE MARKERs 26 and 32.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3274 9703 3273 9704 3255 9704 3255 9720
      3281 9714 3281 9703
TIME...MOT...LOC 0213Z 186DEG 26KT 3253 9712 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Dunn

2 follow-up statements

913 
WWUS54 KFWD 160223
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
823 PM CST SUN JAN 15 2017

TXC439-160245-
/O.CON.KFWD.TO.W.0008.000000T0000Z-170116T0245Z/
Tarrant TX-
823 PM CST SUN JAN 15 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM CST FOR
SOUTHEASTERN TARRANT COUNTY...
    
At 821 PM CST, a severe thunderstorm capable of producing a tornado 
was located just west of Highway 360 and Holland Road in Mansfield 
moving north at 40 mph.

HAZARD...Tornado and quarter size hail. 

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. 

Locations impacted include...
Mansfield and eastern Arlington 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3274 9703 3273 9704 3255 9704 3255 9714
      3281 9713 3281 9703
TIME...MOT...LOC 0221Z 192DEG 33KT 3260 9708 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Dunn

219 
WWUS54 KFWD 160241
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
841 PM CST SUN JAN 15 2017

TXC439-160250-
/O.EXP.KFWD.TO.W.0008.000000T0000Z-170116T0245Z/
Tarrant TX-
841 PM CST SUN JAN 15 2017

...THE TORNADO WARNING FOR SOUTHEASTERN TARRANT COUNTY WILL EXPIRE AT
845 PM CST...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.  A line of storms 
is still moving through Tarrant County.  Gusty winds and heavy 
rainfall will still occur over the next 30 minutes.

LAT...LON 3274 9703 3273 9704 3255 9704 3255 9714
      3281 9713 3281 9703
TIME...MOT...LOC 0240Z 186DEG 26KT 3274 9706 

$$

Dunn

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 15, 6:10 PM CST	Tornado Warning	FWD	Bosque	35 min
Jan 15, 6:14 PM CST	Areal Flood Advisory	FWD	Bosque, Hill, Johnson	2 hr
Jan 15, 6:22 PM CST	Tornado Warning	FWD	Bosque, Hill	38 min
Jan 15, 6:23 PM CST	Areal Flood Advisory	FWD	Denton, Tarrant	112 min
Jan 15, 6:26 PM CST	Special Weather Statement	FWD	Denton	64 min
Jan 15, 6:53 PM CST	Tornado Warning Tornado observed	FWD	Hill, Johnson	37 min
Jan 15, 7:23 PM CST	Severe Thunderstorm Warning	FWD	Ellis, Hill, Johnson	52 min
Jan 15, 7:34 PM CST	Special Weather Statement	FWD	Hood, Parker, Tarrant	56 min
Jan 15, 7:45 PM CST	Tornado Warning	FWD	Johnson	30 min
Jan 15, 7:50 PM CST	Severe Thunderstorm Warning	FWD	Dallas, Ellis, Johnson, Tarrant	40 min
Jan 15, 8:04 PM CST	Tornado Warning	FWD	Johnson	16 min
Jan 15, 8:06 PM CST	Flash Flood Warning	FWD	Johnson, Tarrant	3 hr
Jan 15, 8:12 PM CST	Special Weather Statement	FWD	Hamilton, Lampasas, Mills	63 min
Jan 15, 8:27 PM CST	Special Weather Statement	FWD	Johnson, Tarrant	18 min
Jan 15, 8:33 PM CST	Tornado Warning	FWD	Dallas, Tarrant	27 min
Jan 15, 8:42 PM CST	Special Weather Statement	FWD	Dallas, Denton, Johnson, Somervell, Tarrant	63 min
Jan 15, 9:01 PM CST	Severe Thunderstorm Warning	FWD	Dallas, Tarrant	44 min
Jan 15, 9:11 PM CST	Areal Flood Advisory	FWD	Dallas	3 hr
Jan 15, 9:30 PM CST	Severe Thunderstorm Warning	FWD	Collin, Denton	60 min
Jan 15, 9:32 PM CST	Areal Flood Advisory	FWD	Cooke	3 hr
Jan 15, 9:38 PM CST	Areal Flood Advisory	FWD	Collin	3 hr
Jan 15, 9:51 PM CST	Special Weather Statement	FWD	Coryell	24 min
Jan 15, 9:57 PM CST	Flash Flood Warning	FWD	Dallas	3 hr
Jan 15, 10:01 PM CST	Flash Flood Warning	FWD	Ellis	3 hr
Jan 15, 10:05 PM CST	Special Weather Statement	FWD	Ellis, Kaufman, Navarro, Rockwall	55 min
Jan 15, 10:24 PM CST	Special Weather Statement	FWD	Fannin, Hunt	51 min
Jan 15, 10:34 PM CST	Special Weather Statement	FWD	Coryell	26 min
Jan 15, 10:50 PM CST	Areal Flood Advisory	FWD	Bosque, Coryell, Hill, McLennan	3 hr
Jan 15, 10:58 PM CST	Special Weather Statement	FWD	McLennan	32 min
Jan 15, 11:04 PM CST	Special Weather Statement	FWD	Henderson, Kaufman, Rains, Van Zandt	56 min
Jan 15, 11:16 PM CST	Severe Thunderstorm Warning	FWD	Hopkins, Hunt, Rains	59 min
Jan 15, 11:20 PM CST	Special Weather Statement	FWD	Delta, Hunt, Lamar	55 min
Jan 15, 11:33 PM CST	Special Weather Statement	FWD	McLennan	42 min
Jan 15, 11:35 PM CST	River Flood Warning	FWD	Dallas	17 hr
Jan 15, 11:54 PM CST	Special Weather Statement	FWD	Anderson, Freestone, Henderson, Van Zandt	66 min
Jan 16, 12:33 AM CST	River Flood Warning	FWD	Dallas	38 hr
Jan 16, 12:53 AM CST	Areal Flood Advisory	FWD	Anderson, Freestone, Henderson, Van Zandt	3 hr
Jan 16, 12:57 AM CST	Special Weather Statement	FWD	Henderson	48 min
Jan 16, 1:19 AM CST	Special Weather Statement	FWD	Milam	26 min
Jan 16, 2:10 AM CST	Special Weather Statement	FWD	Robertson	35 min
Jan 16, 2:43 AM CST	Special Weather Statement	FWD	Navarro	32 min
Jan 16, 2:44 AM CST	Dense Fog Advisory	FWD	Bosque, Collin, Comanche, Cooke, Coryell, Dallas and 24 more	7 hr
Jan 16, 3:45 AM CST	Severe Thunderstorm Warning	FWD	Leon	45 min
Jan 16, 3:51 AM CST	Tornado Warning	FWD	Leon	24 min
Jan 16, 8:28 AM CST	River Flood Warning	FWD	Denton	19 hr

Nearby

Tornado Warnings in Texas, 2017 Every tornado warning in 2017 Tornadoes in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.