Alert archive / Texas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 21, NWS Fort Worth, TX

March 13, 2019Denton County, Johnson County, Tarrant County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 13, 2019, 4:08 AM CDT for Denton County, Johnson County, Tarrant County, Texas. It was in force for 52 min. 7 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 13, 2019, 4:08 AM CDT (09:08 UTC)
Expired
Mar 13, 2019, 5:00 AM CDT
In force
52 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Denton County, TX, Johnson County, TX, Tarrant County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 4 km from the middle of the area, began a volume at 09:09 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 13, 4:23 AM CDTTSTM WND GST 75Fort Worth, TXFORT WORTH NAS ASOS REPORTS 75 MPH WIND GUST
Mar 13, 4:25 AM CDTTSTM WND DMGGodley, TXEM REPORTS TREES BLOWN OVER AND SOME ROOF DAMAGE IN GODLEY. TIME ESTIMATED BASED ON RADAR
Mar 13, 4:30 AM CDTTSTM WND DMGCleburne, TX*** 1 INJ *** ONE OCCUPANT INJURED IN SMALL MODULAR HOME SW OF CLEBURNE. TIME ESTIMATED BASED ON RADAR.
Mar 13, 4:40 AM CDTTSTM WND DMGFort Worth, TXSEVERAL REPORTS OF POWER LINES, TREES, AND FENCES DOWN ACROSS PARTS TARRANT COUNTY. VIA CHAT AND SOCIAL MEDIA
Mar 13, 4:40 AM CDTTSTM WND DMGSanger, TXSOCIAL MEDIA REPORTS 18 WHEELER FLIPPED ON I-35 NEAR SANGER
Mar 13, 4:50 AM CDTTSTM WND DMGGrapevine, TXLOGISTICS FACILITY ON AIRFIELD DR AT DFW AIRPORT HAD ROOF DAMAGE. MULTIPLE CARS DAMAGED. TIME ESTIMATED BASED ON RADAR.
Mar 13, 4:52 AM CDTTSTM WND GST 78Grapevine, TXWIND GUST TO 78 MPH AT DALLAS/FORT WORTH INTERNATIONAL AIRPORT (KDFW).

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 13, 1:51 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 9.1 hours before the alert went out and 26 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 2019-03-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 22 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2019-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 402 square meters per square second.1939587897117Sfc1 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
22 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
558 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
402 m²/s²
0-3 km storm-relative helicity
368 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

659 
WUUS54 KFWD 130908
SVRFWD
TXC121-251-439-131000-
/O.NEW.KFWD.SV.W.0021.190313T0908Z-190313T1000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Fort Worth TX
408 AM CDT WED MAR 13 2019

The National Weather Service in Fort Worth has issued a

* Severe Thunderstorm Warning for...
  Johnson County in north central Texas...
  Denton County in north central Texas...
  Tarrant County in north central Texas...

* Until 500 AM CDT.

* At 407 AM CDT, severe thunderstorms were located along a line 
  extending from near Decatur to near Glen Rose, moving east at 45 
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Fort Worth, Arlington, Plano, Grand Prairie, Carrollton, Frisco,
  Denton, Lewisville, Flower Mound, Mansfield, Euless, Bedford,
  Grapevine, Haltom City, Keller, Coppell, Hurst, Burleson, The
  Colony and Cleburne.

This includes the following highways...
 Interstate 35 between mile markers 468 and 481.
 Interstate 35W between mile markers 14 and 85.
 Interstate 35E between mile markers 446 and 466.
 Interstate 20 between mile markers 423 and 453.
 Interstate 30 between mile markers 2 and 31.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection get inside a sturdy structure and stay away from
windows.

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

&&

LAT...LON 3341 9684 3299 9684 3299 9703 3255 9704
      3255 9709 3226 9709 3218 9747 3216 9751
      3213 9751 3215 9757 3218 9757 3217 9760
      3220 9759 3220 9761 3255 9762 3256 9755
      3299 9754 3299 9740 3343 9738
TIME...MOT...LOC 0907Z 249DEG 36KT 3318 9755 3219 9770 

HAIL...<.75IN
WIND...60MPH
 
$$

Stalley
1 follow-up statement
182 
WWUS54 KFWD 130927
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
427 AM CDT WED MAR 13 2019

TXC121-251-439-131000-
/O.CON.KFWD.SV.W.0021.000000T0000Z-190313T1000Z/
Johnson TX-Denton TX-Tarrant TX-
427 AM CDT WED MAR 13 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 AM CDT
FOR JOHNSON...DENTON AND TARRANT COUNTIES...

At 427 AM CDT, severe thunderstorms were located along a line 
extending from Krum to Cleburne, moving east at 45 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Fort Worth, Arlington, Plano, Grand Prairie, Carrollton, Frisco,
Denton, Lewisville, Flower Mound, Mansfield, Euless, Bedford,
Grapevine, Haltom City, Keller, Coppell, Hurst, Burleson, The Colony
and Cleburne.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection stay inside a sturdy structure and keep away from
windows.

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

&&

LAT...LON 3341 9684 3299 9684 3299 9703 3255 9704
      3255 9709 3226 9709 3218 9747 3216 9751
      3213 9751 3215 9757 3218 9757 3217 9760
      3220 9759 3220 9761 3255 9762 3256 9755
      3299 9754 3299 9740 3343 9738
TIME...MOT...LOC 0927Z 249DEG 36KT 3324 9737 3225 9752 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...70MPH
 
$$

Stalley

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 13, 2:05 AM CDTSevere Thunderstorm WarningFWDJack, Palo Pinto, Stephens, Young70 min
Mar 13, 2:31 AM CDTSevere Thunderstorm WarningFWDEastland59 min
Mar 13, 2:39 AM CDTTornado WarningFWDEastland36 min
Mar 13, 3:12 AM CDTSevere Thunderstorm WarningFWDErath, Hood, Palo Pinto, Parker, Somervell78 min
Mar 13, 3:17 AM CDTWind AdvisoryFWDCollin, Comanche, Cooke, Dallas, Delta, Denton and 20 more16 hr
Mar 13, 3:19 AM CDTSpecial Weather StatementFWDJack, Montague, Wise56 min
Mar 13, 3:29 AM CDTSevere Thunderstorm WarningFWDJack, Montague, Wise61 min
Mar 13, 3:38 AM CDTSevere Thunderstorm WarningFWDBosque, Comanche, Coryell, Erath, Hamilton, Lampasas and 1 more52 min
Mar 13, 4:41 AM CDTSevere Thunderstorm WarningFWDHill49 min
Mar 13, 4:48 AM CDTSevere Thunderstorm WarningFWDDallas, Ellis72 min
Mar 13, 5:00 AM CDTSevere Thunderstorm WarningFWDCollin, Grayson51 min
Mar 13, 5:02 AM CDTSevere Thunderstorm WarningFWDDenton10 min
Mar 13, 5:21 AM CDTSevere Thunderstorm WarningFWDNavarro69 min
Mar 13, 5:23 AM CDTSevere Thunderstorm WarningFWDKaufman, Rockwall54 min
Mar 13, 5:35 AM CDTSevere Thunderstorm WarningFWDFannin, Hunt44 min
Mar 13, 5:45 AM CDTSevere Thunderstorm WarningFWDHenderson60 min
Mar 13, 6:06 AM CDTSevere Thunderstorm WarningFWDDelta, Hopkins, Lamar, Rains, Van Zandt51 min
Mar 13, 7:40 AM CDTRiver Flood WarningFWDDallas13 hr
Mar 13, 11:31 AM CDTRiver Flood WarningFWDDenton8 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2019Every severe thunderstorm warning in 2019

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.