Alert archive / Texas / Tornado Warnings in 2017

Tornado Warning 9, NWS Fort Worth, TX

January 15, 2017Dallas County, Tarrant County, Texas

NWS Fort Worth, TX issued this tornado warning at Jan 15, 2017, 8:33 PM CST for Dallas County, Tarrant County, Texas. It was in force for 27 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, 8:33 PM CST (02:33 UTC)
Expired
Jan 15, 2017, 9:00 PM CST
In force
27 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Dallas County, TX, Tarrant County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 33 km from the middle of the area, began a volume at 02:33 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
Jan 15, 8:43 PM CSTTORNADOGrand Prairie, TXCONFIRMED TORNADO STATE HIGHWAY 161 AND ARKANSAS
Jan 15, 8:55 PM CSTTSTM WND GST 633 E Arlington, TXAT 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.

IssuedProductOfficeLasted
Jan 2, 1:39 AM CSTSevere Thunderstorm WatchSPC59 days
Jan 15, 6:00 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 2.6 hours before the alert went out and 29 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 00:00Z on 2017-01-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 211 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 00:00Z on 2017-01-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 368 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
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.

743 
WFUS54 KFWD 160233
TORFWD
TXC113-439-160300-
/O.NEW.KFWD.TO.W.0009.170116T0233Z-170116T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Fort Worth TX
833 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...
  Northwestern Dallas County in north central Texas...

* Until 900 PM CST
    
* At 831 PM CST, a severe thunderstorm capable of producing a 
  tornado was located south of Grand Prairie moving north at 35 mph. 
  CASA radar indicates that this possible tornado will cross I-20 
  in Grand Prairie in the next few minutes.

  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. 

THIS INCLUDES THE FOLLOWING INTERSTATES... 
 INTERSTATE 35E between MILE MARKERs 437 and 439.
 INTERSTATE 20 between MILE MARKERs 451 and 457.
 INTERSTATE 30 between MILE MARKERs 30 and 37.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or 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 3261 9699 3261 9711 3291 9703 3291 9688
TIME...MOT...LOC 0231Z 199DEG 30KT 3267 9704 

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

$$

Dunn
3 follow-up statements
615 
WWUS54 KFWD 160244
SVSFWD

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

TXC439-160252-
/O.CAN.KFWD.TO.W.0009.000000T0000Z-170116T0300Z/
Tarrant TX-
844 PM CST SUN JAN 15 2017

...THE TORNADO WARNING FOR SOUTHEASTERN TARRANT COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area therefore the warning has been cancelled.

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

LAT...LON 3269 9696 3269 9704 3291 9703 3291 9688
TIME...MOT...LOC 0242Z 194DEG 37KT 3274 9699 

$$

TXC113-160300-
/O.CON.KFWD.TO.W.0009.000000T0000Z-170116T0300Z/
Dallas TX-
844 PM CST SUN JAN 15 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CST FOR
NORTHWESTERN DALLAS COUNTY...
    
At 842 PM CST, a severe thunderstorm capable of producing a tornado
was located north of I-20 in Grand Prairie 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. 

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 3269 9696 3269 9704 3291 9703 3291 9688
TIME...MOT...LOC 0242Z 194DEG 37KT 3274 9699 

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

$$

Dunn
152 
WWUS54 KFWD 160247
SVSFWD

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

TXC113-160300-
/O.CON.KFWD.TO.W.0009.000000T0000Z-170116T0300Z/
Dallas TX-
847 PM CST SUN JAN 15 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CST FOR
NORTHWESTERN DALLAS COUNTY...
    
At 846 PM CST, spotters and media confirmed a tornado near Highway 
161 and Arkansas Lane in Grand Prairie...moving north at 25 mph. 
This tornado will cross I-30 near Beltline soon.

HAZARD...Damaging tornado and quarter size hail. 

SOURCE...Public confirmed tornado. 

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. 


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 3271 9695 3271 9704 3291 9703 3291 9688
TIME...MOT...LOC 0246Z 188DEG 24KT 3276 9700 

TORNADO...OBSERVED
HAIL...1.00IN

$$

Dunn
945 
WWUS54 KFWD 160301
SVSFWD

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

TXC113-160311-
/O.EXP.KFWD.TO.W.0009.000000T0000Z-170116T0300Z/
Dallas TX-
901 PM CST SUN JAN 15 2017

...THE TORNADO WARNING FOR NORTHWESTERN DALLAS COUNTY 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 midnight CST for north
central Texas.

LAT...LON 3271 9695 3271 9704 3291 9703 3291 9688
TIME...MOT...LOC 0301Z 199DEG 30KT 3288 9695 

$$

Dunn

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 15, 6:10 PM CSTTornado WarningFWDBosque35 min
Jan 15, 6:14 PM CSTAreal Flood AdvisoryFWDBosque, Hill, Johnson2 hr
Jan 15, 6:22 PM CSTTornado WarningFWDBosque, Hill38 min
Jan 15, 6:23 PM CSTAreal Flood AdvisoryFWDDenton, Tarrant112 min
Jan 15, 6:26 PM CSTSpecial Weather StatementFWDDenton64 min
Jan 15, 6:53 PM CSTTornado Warning Tornado observedFWDHill, Johnson37 min
Jan 15, 7:23 PM CSTSevere Thunderstorm WarningFWDEllis, Hill, Johnson52 min
Jan 15, 7:34 PM CSTSpecial Weather StatementFWDHood, Parker, Tarrant56 min
Jan 15, 7:45 PM CSTTornado WarningFWDJohnson30 min
Jan 15, 7:50 PM CSTSevere Thunderstorm WarningFWDDallas, Ellis, Johnson, Tarrant40 min
Jan 15, 8:04 PM CSTTornado WarningFWDJohnson16 min
Jan 15, 8:06 PM CSTFlash Flood WarningFWDJohnson, Tarrant3 hr
Jan 15, 8:12 PM CSTSpecial Weather StatementFWDHamilton, Lampasas, Mills63 min
Jan 15, 8:14 PM CSTTornado WarningFWDTarrant31 min
Jan 15, 8:27 PM CSTSpecial Weather StatementFWDJohnson, Tarrant18 min
Jan 15, 8:42 PM CSTSpecial Weather StatementFWDDallas, Denton, Johnson, Somervell, Tarrant63 min
Jan 15, 9:01 PM CSTSevere Thunderstorm WarningFWDDallas, Tarrant44 min
Jan 15, 9:11 PM CSTAreal Flood AdvisoryFWDDallas3 hr
Jan 15, 9:30 PM CSTSevere Thunderstorm WarningFWDCollin, Denton60 min
Jan 15, 9:32 PM CSTAreal Flood AdvisoryFWDCooke3 hr
Jan 15, 9:38 PM CSTAreal Flood AdvisoryFWDCollin3 hr
Jan 15, 9:51 PM CSTSpecial Weather StatementFWDCoryell24 min
Jan 15, 9:57 PM CSTFlash Flood WarningFWDDallas3 hr
Jan 15, 10:01 PM CSTFlash Flood WarningFWDEllis3 hr
Jan 15, 10:05 PM CSTSpecial Weather StatementFWDEllis, Kaufman, Navarro, Rockwall55 min
Jan 15, 10:24 PM CSTSpecial Weather StatementFWDFannin, Hunt51 min
Jan 15, 10:34 PM CSTSpecial Weather StatementFWDCoryell26 min
Jan 15, 10:50 PM CSTAreal Flood AdvisoryFWDBosque, Coryell, Hill, McLennan3 hr
Jan 15, 10:58 PM CSTSpecial Weather StatementFWDMcLennan32 min
Jan 15, 11:04 PM CSTSpecial Weather StatementFWDHenderson, Kaufman, Rains, Van Zandt56 min
Jan 15, 11:16 PM CSTSevere Thunderstorm WarningFWDHopkins, Hunt, Rains59 min
Jan 15, 11:20 PM CSTSpecial Weather StatementFWDDelta, Hunt, Lamar55 min
Jan 15, 11:33 PM CSTSpecial Weather StatementFWDMcLennan42 min
Jan 15, 11:35 PM CSTRiver Flood WarningFWDDallas17 hr
Jan 15, 11:54 PM CSTSpecial Weather StatementFWDAnderson, Freestone, Henderson, Van Zandt66 min
Jan 16, 12:33 AM CSTRiver Flood WarningFWDDallas38 hr
Jan 16, 12:53 AM CSTAreal Flood AdvisoryFWDAnderson, Freestone, Henderson, Van Zandt3 hr
Jan 16, 12:57 AM CSTSpecial Weather StatementFWDHenderson48 min
Jan 16, 1:19 AM CSTSpecial Weather StatementFWDMilam26 min
Jan 16, 2:10 AM CSTSpecial Weather StatementFWDRobertson35 min
Jan 16, 2:43 AM CSTSpecial Weather StatementFWDNavarro32 min
Jan 16, 2:44 AM CSTDense Fog AdvisoryFWDBosque, Collin, Comanche, Cooke, Coryell, Dallas and 24 more7 hr
Jan 16, 3:45 AM CSTSevere Thunderstorm WarningFWDLeon45 min
Jan 16, 3:51 AM CSTTornado WarningFWDLeon24 min
Jan 16, 8:28 AM CSTRiver Flood WarningFWDDenton19 hr

Nearby

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