Alert archive / Texas / Tornado Warnings in 2017

Tornado Warning 13, NWS Fort Worth, TX

March 26, 2017Denton County, Texas

NWS Fort Worth, TX issued this tornado warning at Mar 26, 2017, 7:25 PM CDT for Denton County, Texas. It was in force for 35 min. 9 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
Mar 26, 2017, 7:25 PM CDT (00:25 UTC)
Expired
Mar 26, 2017, 8:00 PM CDT
In force
35 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Tornado
Radar indicated
Hail
2.0 in

County Denton County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 63 km from the middle of the area, began a volume at 00:28 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
Mar 26, 7:47 PM CDTHAIL 1.25Arrgyle, TX$$
Mar 26, 7:47 PM CDTHAIL 1.25Arrgyle, TX
Mar 26, 7:48 PM CDTHAIL 15 E Justin, TXI-35 AND FM407
Mar 26, 7:50 PM CDTHAIL 22 Nnw Argyle, TXDELAYED COCORAHS REPORT
Mar 26, 7:54 PM CDTHAIL 2.75Argyle, TX$$
Mar 26, 7:54 PM CDTHAIL 2.75Argyle, TX
Mar 26, 7:55 PM CDTTSTM WND DMGArgyle, TXBASEBALL HAIL KNOCKING OUT CAR WINDOWS IN ARGYLE.
Mar 26, 7:59 PM CDTHAIL 2.752 W Copper Canyon, TXIN LANTANA
Mar 26, 8:00 PM CDTHAIL 2Ponder, TXDELAYED REPORT: VIA SOCIAL MEDIA 2 INCH HAIL IN PONDER

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
Mar 26, 4:02 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 0.4 hours before the alert went out and 35 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 2017-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 892 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 2017-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 184 square meters per square second.19395878Sfc1 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
892 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
1866 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
184 m²/s²
0-3 km storm-relative helicity
259 m²/s²
Significant tornado parameter
0.2
Supercell composite
12.6

Open this sounding in Storm Lab

The text

As transmitted.

052 
WFUS54 KFWD 270025
TORFWD
TXC121-270100-
/O.NEW.KFWD.TO.W.0013.170327T0025Z-170327T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Fort Worth TX
725 PM CDT SUN MAR 26 2017

The National Weather Service in Fort Worth has issued a

* Tornado Warning for...
  Southwestern Denton County in north central Texas...

* Until 800 PM CDT.

* At 725 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Justin, or 10 miles northwest of Trophy Club, 
  moving northeast at 25 mph.  CASA radar shows strong rotation 
  southwest of Justin now.  Seek shelter now!

  HAZARD...Tornado and hail up to two inches in diameter. 

  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...
  Justin around 735 PM CDT. 
  Roanoke and Northlake around 740 PM CDT. 
  Corral City around 745 PM CDT. 
  Argyle, Double Oak and Bartonville around 755 PM CDT. 
  Flower Mound around 800 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Ponder.

This includes the following interstates...
 Interstate 35 near mile marker 468.
 Interstate 35W between mile markers 70 and 85.
 Interstate 35E between mile markers 464 and 466.

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 3324 9712 3305 9712 3299 9740 3317 9739
TIME...MOT...LOC 0025Z 243DEG 23KT 3306 9736 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

Dunn
3 follow-up statements
473 
WWUS54 KFWD 270040
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
740 PM CDT SUN MAR 26 2017

TXC121-270100-
/O.CON.KFWD.TO.W.0013.000000T0000Z-170327T0100Z/
Denton TX-
740 PM CDT SUN MAR 26 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
SOUTHWESTERN DENTON COUNTY...
    
At 738 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Justin, or 10 miles northwest of Trophy Club, 
moving northeast at 30 mph.  This circulation is near FM-156 and FM-
1384. Seek shelter now!

HAZARD...Tornado and golf ball 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 dangerous storm will be near...
  Ponder around 750 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Ponder.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3324 9712 3306 9712 3300 9736 3318 9735
TIME...MOT...LOC 0038Z 218DEG 28KT 3313 9731 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

Dunn
633 
WWUS54 KFWD 270048
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
748 PM CDT SUN MAR 26 2017

TXC121-270100-
/O.CON.KFWD.TO.W.0013.000000T0000Z-170327T0100Z/
Denton TX-
748 PM CDT SUN MAR 26 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
SOUTHWESTERN DENTON COUNTY...
    
At 748 PM CDT, a severe thunderstorm capable of producing a tornado 
was located near Ponder, or 7 miles west of Denton, moving northeast 
at 25 mph.

HAZARD...Tornado and half dollar 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...

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3324 9712 3306 9712 3301 9731 3309 9733
      3318 9733
TIME...MOT...LOC 0048Z 237DEG 23KT 3318 9726 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

Dunn
485 
WWUS54 KFWD 270058
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
758 PM CDT SUN MAR 26 2017

TXC121-270107-
/O.EXP.KFWD.TO.W.0013.000000T0000Z-170327T0100Z/
Denton TX-
758 PM CDT SUN MAR 26 2017

...THE TORNADO WARNING FOR SOUTHWESTERN DENTON COUNTY WILL EXPIRE AT
800 PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, very large hail and damaging winds remain likely 
and a Severe Thunderstorm Warning remains in effect for the area. 

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

Remember, a Severe Thunderstorm Warning still remains in effect for
Denton County until 815 PM.

LAT...LON 3324 9712 3306 9712 3301 9731 3309 9733
      3318 9733
TIME...MOT...LOC 0057Z 271DEG 27KT 3311 9714 

$$

Dunn

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 26, 7:11 PM CDTSevere Thunderstorm WarningFWDBosque, Erath, Hamilton, Johnson, Somervell64 min
Mar 26, 7:18 PM CDTSevere Thunderstorm WarningFWDCooke27 min
Mar 26, 7:21 PM CDTSpecial Weather StatementFWDMills24 min
Mar 26, 7:21 PM CDTSevere Thunderstorm WarningFWDDenton, Wise54 min
Mar 26, 7:41 PM CDTAreal Flood AdvisoryFWDBosque, Hamilton, Hill, Johnson3 hr
Mar 26, 7:46 PM CDTTornado WarningFWDCooke, Grayson29 min
Mar 26, 7:47 PM CDTSpecial Weather StatementFWDHamilton43 min
Mar 26, 7:55 PM CDTSevere Thunderstorm WarningFWDCoryell, Hamilton, Lampasas, Mills65 min
Mar 26, 7:57 PM CDTSpecial Weather StatementFWDJohnson33 min
Mar 26, 8:07 PM CDTSevere Thunderstorm WarningFWDBosque, Hill53 min
Mar 26, 8:11 PM CDTSevere Thunderstorm WarningFWDCollin, Denton79 min
Mar 26, 8:14 PM CDTSevere Thunderstorm WarningFWDCooke, Grayson46 min
Mar 26, 8:23 PM CDTSevere Thunderstorm WarningFWDCooke, Denton67 min
Mar 26, 8:43 PM CDTSevere Thunderstorm WarningFWDCoryell, Hamilton, Lampasas, Mills62 min
Mar 26, 8:56 PM CDTSevere Thunderstorm WarningFWDBosque, Hill, McLennan64 min
Mar 26, 8:59 PM CDTSevere Thunderstorm WarningFWDGrayson76 min
Mar 26, 9:07 PM CDTSpecial Weather StatementFWDCoryell23 min
Mar 26, 9:20 PM CDTAreal Flood AdvisoryFWDHill3 hr
Mar 26, 9:22 PM CDTSevere Thunderstorm WarningFWDCollin, Fannin, Hunt53 min
Mar 26, 9:23 PM CDTSevere Thunderstorm WarningFWDCoryell, Lampasas67 min
Mar 26, 9:29 PM CDTSevere Thunderstorm WarningFWDCollin, Cooke, Denton46 min
Mar 26, 9:38 PM CDTAreal Flood AdvisoryFWDCoryell, Lampasas3 hr
Mar 26, 9:47 PM CDTSevere Thunderstorm WarningFWDHill, Limestone, Navarro58 min
Mar 26, 10:11 PM CDTSevere Thunderstorm WarningFWDDelta, Fannin, Hunt, Lamar79 min
Mar 26, 10:14 PM CDTSevere Thunderstorm WarningFWDFannin, Grayson19 min
Mar 26, 10:23 PM CDTSevere Thunderstorm WarningFWDBell, Coryell, Falls, McLennan52 min
Mar 26, 10:36 PM CDTSpecial Weather StatementFWDCoryell24 min
Mar 26, 10:44 PM CDTSevere Thunderstorm WarningFWDBell, Coryell46 min
Mar 26, 10:53 PM CDTSpecial Weather StatementFWDFannin52 min
Mar 26, 11:16 PM CDTSevere Thunderstorm WarningFWDCollin, Fannin, Hunt32 min
Mar 26, 11:29 PM CDTSevere Thunderstorm WarningFWDBell, Falls, Milam61 min
Mar 26, 11:53 PM CDTSpecial Weather StatementFWDDelta37 min
Mar 27, 12:22 AM CDTSevere Thunderstorm WarningFWDFalls, Milam, Robertson53 min
Mar 27, 12:24 AM CDTSpecial Weather StatementFWDDelta36 min
Mar 27, 1:58 AM CDTSevere Thunderstorm WarningFWDRobertson32 min

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.