Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 75, NWS Fort Worth, TX

April 9, 2021Henderson County, Kaufman County, Van Zandt County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 9, 2021, 11:40 PM CDT for Henderson County, Kaufman County, Van Zandt County, Texas. It was in force for 63 min. 1 report 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, 11:40 PM CDT (04:40 UTC)
Expired
Apr 10, 2021, 12:43 AM CDT
In force
63 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Henderson County, TX, Kaufman County, TX, Van Zandt County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 140 km from the middle of the area, began a volume at 04:41 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, 11:54 PM CDTHAIL 12 S Gun Barrel City, 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, 4.7 hours before the alert went out and 149 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.

812 
WUUS54 KFWD 100440
SVRFWD
TXC213-257-467-100600-
/O.NEW.KFWD.SV.W.0075.210410T0440Z-210410T0600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Fort Worth TX
1140 PM CDT Fri Apr 9 2021

The National Weather Service in Fort Worth has issued a

* Severe Thunderstorm Warning for...
  Southeastern Kaufman County in north central Texas...
  Southern Van Zandt County in north central Texas...
  Henderson County in central Texas...

* Until 100 AM CDT.

* At 1139 PM CDT, a cluster of severe thunderstorms was located 
  from near Myrtle Springs to Mabank, moving east at 40 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...
  Athens, Gun Barrel City, Canton, Mabank, Chandler, Van, Malakoff,
  Tool, Seven Points, Kemp, Brownsboro, Eustace, Berryville,
  Trinidad, Edom, Enchanted Oaks, Coffee City, Caney City, Purtis
  Creek State Park and Payne Springs.

This includes Interstate 20 between mile markers 520 and 522, and
between mile markers 524 and 542.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3209 9543 3208 9546 3213 9611 3216 9612
      3216 9616 3218 9618 3222 9615 3220 9619
      3225 9624 3226 9629 3230 9630 3231 9634
      3264 9608 3252 9559 3248 9560 3235 9545
      3228 9545 3223 9549 3220 9546 3215 9548
TIME...MOT...LOC 0439Z 288DEG 36KT 3246 9607 

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

Dunn
4 follow-up statements
657 
WWUS54 KFWD 100456
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
1156 PM CDT Fri Apr 9 2021

TXC257-100505-
/O.CAN.KFWD.SV.W.0075.000000T0000Z-210410T0600Z/
Kaufman TX-
1156 PM CDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN KAUFMAN COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
central and north central Texas.

LAT...LON 3209 9543 3213 9611 3214 9610 3216 9612
      3216 9616 3218 9618 3221 9615 3220 9619
      3224 9623 3236 9618 3236 9608 3246 9608
      3260 9592 3252 9559 3248 9560 3235 9545
      3228 9545 3223 9549 3220 9546 3215 9548
TIME...MOT...LOC 0455Z 289DEG 35KT 3239 9593 

$$

TXC213-467-100600-
/O.CON.KFWD.SV.W.0075.000000T0000Z-210410T0600Z/
Van Zandt TX-Henderson TX-
1156 PM CDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT
FOR SOUTHERN VAN ZANDT AND HENDERSON COUNTIES...

At 1155 PM CDT, a line of severe thunderstorms extends from near 
Canton to Gun Barrel City, moving east at 40 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...
Athens, Gun Barrel City, Canton, Mabank, Chandler, Van, Malakoff,
Tool, Seven Points, Brownsboro, Eustace, Berryville, Trinidad, Edom,
Enchanted Oaks, Coffee City, Caney City, Purtis Creek State Park,
Payne Springs and Log Cabin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3209 9543 3213 9611 3214 9610 3216 9612
      3216 9616 3218 9618 3221 9615 3220 9619
      3224 9623 3236 9618 3236 9608 3246 9608
      3260 9592 3252 9559 3248 9560 3235 9545
      3228 9545 3223 9549 3220 9546 3215 9548
TIME...MOT...LOC 0455Z 289DEG 35KT 3239 9593 

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

Dunn
593 
WWUS54 KFWD 100509
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
1209 AM CDT Sat Apr 10 2021

TXC213-467-100600-
/O.CON.KFWD.SV.W.0075.000000T0000Z-210410T0600Z/
Van Zandt TX-Henderson TX-
1209 AM CDT Sat Apr 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT
FOR SOUTHEASTERN VAN ZANDT AND HENDERSON COUNTIES...

At 1208 AM CDT, a line of severe thunderstorms was located from 
near Van to Malakoff, moving southeast at 40 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...
Athens, Chandler, Van, Malakoff, Brownsboro, Eustace, Berryville,
Trinidad, Edom, Enchanted Oaks, Coffee City, Caney City, Payne
Springs, Log Cabin, Murchison, Star Harbor and Moore Station.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3209 9543 3213 9611 3214 9610 3216 9612
      3216 9616 3218 9618 3221 9615 3220 9618
      3221 9618 3231 9606 3248 9583 3256 9577
      3252 9559 3248 9560 3235 9545 3228 9545
      3223 9549 3220 9546 3215 9548
TIME...MOT...LOC 0508Z 293DEG 33KT 3227 9593 

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

Dunn
463 
WWUS54 KFWD 100532
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
1232 AM CDT Sat Apr 10 2021

TXC467-100541-
/O.CAN.KFWD.SV.W.0075.000000T0000Z-210410T0600Z/
Van Zandt TX-
1232 AM CDT Sat Apr 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN VAN ZANDT COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
central and north central Texas.

LAT...LON 3209 9543 3213 9599 3225 9578 3236 9565
      3235 9545 3233 9546 3232 9545 3228 9545
      3223 9549 3220 9546 3215 9548 3211 9546
TIME...MOT...LOC 0531Z 288DEG 35KT 3220 9572 

$$

TXC213-100600-
/O.CON.KFWD.SV.W.0075.000000T0000Z-210410T0600Z/
Henderson TX-
1232 AM CDT Sat Apr 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT
FOR NORTHEASTERN HENDERSON COUNTY...

At 1231 AM CDT, a severe thunderstorm was located near Athens, 
moving east at 40 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is possible.

Locations impacted include...
Athens, Chandler, Brownsboro, Berryville, Edom, Coffee City,
Murchison and Moore Station.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3209 9543 3213 9599 3225 9578 3236 9565
      3235 9545 3233 9546 3232 9545 3228 9545
      3223 9549 3220 9546 3215 9548 3211 9546
TIME...MOT...LOC 0531Z 288DEG 35KT 3220 9572 

HAIL...1.00IN
WIND...<50MPH
 
$$

Dunn
411 
WWUS54 KFWD 100543
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
1243 AM CDT Sat Apr 10 2021

TXC213-100553-
/O.CAN.KFWD.SV.W.0075.000000T0000Z-210410T0600Z/
Henderson TX-
1243 AM CDT Sat Apr 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HENDERSON COUNTY
IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits. Therefore the warning has been cancelled. However gusty winds
and heavy rain are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
central and north central Texas.

LAT...LON 3209 9543 3213 9599 3225 9578 3236 9565
      3235 9545 3233 9546 3232 9545 3228 9545
      3223 9549 3220 9546 3215 9548 3211 9546
TIME...MOT...LOC 0541Z 288DEG 36KT 3216 9558 

$$

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, 7:59 PM CDTSevere Thunderstorm WarningFWDDallas49 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 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.