Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 65, NWS Fort Worth, TX

April 9, 2021Dallas County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 9, 2021, 7:59 PM CDT for Dallas County, Texas. It was in force for 49 min. 6 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
Apr 9, 2021, 7:59 PM CDT (00:59 UTC)
Expired
Apr 9, 2021, 8:48 PM CDT
In force
49 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Dallas County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 62 km from the middle of the area, began a volume at 00:57 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
Apr 9, 8:09 PM CDTHAIL 0.752 Ese Cockrell Hill, TXREPORT FROM MPING: DIME (0.75 IN.).
Apr 9, 8:09 PM CDTHAIL 24 Ne Duncanville, TXSOCIAL MEDIA IMAGE OF MEASURED 2 INCH HAIL. TIME ESTIMATED VIA RADAR.
Apr 9, 8:13 PM CDTHAIL 22 Se Cockrell Hill, TXSOCIAL MEDIA IMAGE OF MEASURED 2 INCH HAIL. TIME ESTIMATED VIA RADAR.
Apr 9, 8:16 PM CDTHAIL 11 Ese Cockrell Hill, TXREPORT FROM MPING: QUARTER (1.00 IN.).
Apr 9, 8:21 PM CDTHAIL 0.752 Ese Cockrell Hill, TXREPORT FROM MPING: DIME (0.75 IN.).
Apr 9, 8:22 PM CDTHAIL 14 E Dallas, TXREPORT FROM MPING: QUARTER (1.00 IN.).

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
Apr 9, 4:27 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 1.0 hours before the alert went out and 52 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 2021-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3129 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 2021-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 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
3129 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
1600 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.7
Supercell composite
11.7

Open this sounding in Storm Lab

The text

As transmitted.

170 
WUUS54 KFWD 100059
SVRFWD
TXC113-100200-
/O.NEW.KFWD.SV.W.0065.210410T0059Z-210410T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Fort Worth TX
759 PM CDT Fri Apr 9 2021

The National Weather Service in Fort Worth has issued a

* Severe Thunderstorm Warning for...
  Central Dallas County in north central Texas...

* Until 900 PM CDT.

* At 758 PM CDT, a severe thunderstorm was located near Rowlett, 
  moving east at 20 mph. Another severe thunderstorms was located 
  near Cockrell Hill moving east at 20 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Dallas, Garland, Irving, Grand Prairie, Mesquite, Carrollton,
  Richardson, Rowlett, Wylie, Duncanville, Lancaster, Farmers Branch,
  University Park, Sachse, Addison, Highland Park, Cockrell Hill and
  Buckingham.

This includes the following highways...
 Interstate 35E between mile markers 418 and 440.
 Interstate 20 between mile markers 467 and 471.
 Interstate 30 between mile markers 34 and 57.
 Interstate 45 between mile markers 276 and 284.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3298 9652 3262 9676 3272 9704 3299 9685
TIME...MOT...LOC 0058Z 283DEG 17KT 3288 9659 

HAIL...1.00IN
WIND...60MPH
$$

12
2 follow-up statements
811 
WWUS54 KFWD 100121
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
821 PM CDT Fri Apr 9 2021

TXC113-100200-
/O.CON.KFWD.SV.W.0065.000000T0000Z-210410T0200Z/
Dallas TX-
821 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR CENTRAL DALLAS COUNTY...

At 820 PM CDT, a severe thunderstorm was located near Hutchins,
moving east at 30 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Trained weather spotters.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Dallas, Garland, Mesquite, Rowlett, Duncanville, Lancaster and
Sachse.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3298 9652 3262 9676 3268 9693 3298 9661
TIME...MOT...LOC 0120Z 287DEG 25KT 3270 9679 

HAIL...1.00IN
WIND...60MPH
 
$$

12
651 
WWUS54 KFWD 100148
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
848 PM CDT Fri Apr 9 2021

TXC113-100157-
/O.CAN.KFWD.SV.W.0065.000000T0000Z-210410T0200Z/
Dallas TX-
848 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL DALLAS COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.  A severe thunderstorm is 
still ongoing between Hutchins and Seagoville and a warning is in 
effect for Eastern Dallas County until 930 PM CDT.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
north central Texas.

LAT...LON 3298 9652 3262 9676 3268 9693 3298 9661
TIME...MOT...LOC 0145Z 283DEG 17KT 3267 9664 

$$

Dunn

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 7:01 PM CDTSevere Thunderstorm WarningFWDDallas44 min
Apr 9, 7:27 PM CDTSevere Thunderstorm WarningFWDEllis, Hill, Navarro63 min
Apr 9, 7:41 PM CDTSevere Thunderstorm WarningFWDDallas, Hunt, Kaufman, Rockwall49 min
Apr 9, 7:53 PM CDTSevere Thunderstorm WarningFWDCooke, Grayson82 min
Apr 9, 8:08 PM CDTSevere Thunderstorm WarningFWDNavarro82 min
Apr 9, 8:31 PM CDTSevere Thunderstorm WarningFWDDallas, Kaufman, Rockwall30 min
Apr 9, 8:36 PM CDTSevere Thunderstorm WarningFWDAnderson, Henderson, Van Zandt54 min
Apr 9, 8:55 PM CDTSevere Thunderstorm WarningFWDCooke, Grayson65 min
Apr 9, 9:04 PM CDTSevere Thunderstorm WarningFWDAnderson71 min
Apr 9, 9:42 PM CDTSevere Thunderstorm WarningFWDFannin, Lamar78 min
Apr 9, 10:00 PM CDTSevere Thunderstorm WarningFWDAnderson, Freestone, Leon75 min
Apr 9, 10:33 PM CDTSpecial Weather StatementFWDDelta, Hopkins, Hunt42 min
Apr 9, 10:43 PM CDTSevere Thunderstorm WarningFWDDelta, Hopkins, Hunt46 min
Apr 9, 11:24 PM CDTSevere Thunderstorm WarningFWDRains, Van Zandt47 min
Apr 9, 11:40 PM CDTSevere Thunderstorm WarningFWDHenderson, Kaufman, Van Zandt63 min
Apr 10, 12:22 AM CDTSpecial Weather StatementFWDAnderson53 min
Apr 10, 1:15 AM CDTSpecial Weather StatementFWDLeon45 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021Every severe thunderstorm warning in 2021

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.