Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 10, NWS Fort Worth, TX

March 17, 20215 counties in Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 17, 2021, 2:26 AM CDT for 5 counties in Texas. It was in force for 79 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: Mar 17, 2021, 2:26 AM CDT (07:26 UTC)
Expired: Mar 17, 2021, 3:45 AM CDT
In force: 79 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Comanche County, TX, Eastland County, TX, Erath County, TX, Hamilton County, TX, Mills County, TX

What was reported inside it

Time	Report	Where	Remark
Mar 17, 3:04 AM CDT	TSTM WND GST 60	1 Nne Comanche, TX
Mar 17, 3:04 AM CDT	NON-TSTM WND GST 60	1 Nne Comanche, TX

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.

Issued	Product	Office	Lasted
Mar 16, 10:26 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 7.4 hours before the alert went out and 167 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1277 J/kg
Mixed-layer CIN: -111 J/kg
Mixed-layer LCL: 1084 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 158 m²/s²
0-3 km storm-relative helicity: 237 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

As transmitted.

330 
WUUS54 KFWD 170726
SVRFWD
TXC093-133-143-193-333-170845-
/O.NEW.KFWD.SV.W.0010.210317T0726Z-210317T0845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Fort Worth TX
226 AM CDT Wed Mar 17 2021

The National Weather Service in Fort Worth has issued a

* Severe Thunderstorm Warning for...
  Hamilton County in central Texas...
  Erath County in north central Texas...
  Eastland County in north central Texas...
  Northern Mills County in central Texas...
  Comanche County in central Texas...

* Until 345 AM CDT.

* At 224 AM CDT, severe thunderstorms were located along a line 
  extending from near Cross Plains to Brookesmith, moving northeast 
  at 55 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...
  Stephenville, Comanche, Eastland, Cisco, Dublin, Hamilton, Ranger,
  De Leon, Hico, Gorman, Rising Star, Gustine, Mullin, Huckabay,
  Carbon and I-20 Near The Callahan-Eastland County Line.

This includes Interstate 20 between mile markers 324 and 368.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning can kill.

&&

LAT...LON 3238 9912 3252 9873 3251 9828 3203 9799
      3200 9800 3175 9782 3153 9835 3142 9885
      3144 9887 3145 9896 3149 9898 3161 9878
      3169 9876 3170 9867 3207 9892 3208 9912
TIME...MOT...LOC 0724Z 245DEG 46KT 3219 9925 3155 9915 

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

Stalley

4 follow-up statements

133 
WWUS54 KFWD 170750
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
250 AM CDT Wed Mar 17 2021

TXC093-133-143-193-333-170845-
/O.CON.KFWD.SV.W.0010.000000T0000Z-210317T0845Z/
Hamilton TX-Erath TX-Eastland TX-Mills TX-Comanche TX-
250 AM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 AM CDT
FOR HAMILTON...ERATH...EASTLAND...NORTHERN MILLS AND COMANCHE
COUNTIES...

At 249 AM CDT, severe thunderstorms were located along a line
extending from Cisco to Zephyr, moving northeast at 55 mph.

HAZARD...65 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated. 63 mph winds were measured in Brownwood. 

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

Locations impacted include...
Stephenville, Comanche, Eastland, Cisco, Dublin, Hamilton, Ranger, De
Leon, Hico, Gorman, Rising Star, Gustine, Mullin, Huckabay, Carbon
and I-20 Near The Callahan-Eastland County Line.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately.

&&

LAT...LON 3238 9912 3252 9873 3251 9828 3203 9799
      3200 9800 3175 9782 3153 9835 3142 9885
      3144 9887 3145 9896 3149 9898 3161 9878
      3169 9876 3170 9867 3207 9892 3208 9912
TIME...MOT...LOC 0749Z 241DEG 49KT 3238 9898 3167 9880 

HAIL...1.25IN
WIND...65MPH
 
$$

Stalley

306 
WWUS54 KFWD 170810
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
310 AM CDT Wed Mar 17 2021

TXC093-133-143-193-333-170845-
/O.CON.KFWD.SV.W.0010.000000T0000Z-210317T0845Z/
Hamilton TX-Erath TX-Eastland TX-Mills TX-Comanche TX-
310 AM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 AM CDT
FOR HAMILTON...ERATH...EASTERN EASTLAND...NORTHEASTERN MILLS AND
COMANCHE COUNTIES...

At 308 AM CDT, severe thunderstorms were located along a line
extending from Ranger to Goldthwaite, moving east at 50 mph.

HAZARD...65 mph wind gusts and quarter size hail.

SOURCE...Radar indicated. 60 to 65 mph winds have been measured with 
         this storm. 

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

Locations impacted include...
Stephenville, Comanche, Eastland, Dublin, Hamilton, Ranger, De Leon,
Hico, Gorman, Gustine, Huckabay and Carbon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately.

&&

LAT...LON 3252 9873 3251 9828 3203 9799 3200 9800
      3175 9782 3153 9835 3147 9862 3170 9867
      3212 9885 3245 9892
TIME...MOT...LOC 0808Z 258DEG 41KT 3247 9867 3146 9851 

HAIL...1.00IN
WIND...65MPH
 
$$

Stalley

117 
WWUS54 KFWD 170827
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
327 AM CDT Wed Mar 17 2021

TXC133-333-170836-
/O.CAN.KFWD.SV.W.0010.000000T0000Z-210317T0845Z/
Eastland TX-Mills TX-
327 AM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN EASTLAND AND
NORTHEASTERN MILLS COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
central and north central Texas.

LAT...LON 3251 9828 3203 9799 3202 9800 3200 9800
      3175 9782 3153 9835 3164 9843 3206 9846
      3251 9847
TIME...MOT...LOC 0826Z 245DEG 46KT 3256 9845 3155 9829 

$$

TXC093-143-193-170845-
/O.CON.KFWD.SV.W.0010.000000T0000Z-210317T0845Z/
Hamilton TX-Erath TX-Comanche TX-
327 AM CDT Wed Mar 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 AM CDT
FOR HAMILTON...ERATH AND SOUTHEASTERN COMANCHE COUNTIES...

At 326 AM CDT, severe thunderstorms were located along a line
extending from near Gordon to 9 miles northwest of Evant, moving
northeast at 55 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...
Stephenville, Dublin, Hamilton, Hico, Gustine and Huckabay. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately.

&&

LAT...LON 3251 9828 3203 9799 3202 9800 3200 9800
      3175 9782 3153 9835 3164 9843 3206 9846
      3251 9847
TIME...MOT...LOC 0826Z 245DEG 46KT 3256 9845 3155 9829 

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

Stalley

022 
WWUS54 KFWD 170845
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
345 AM CDT Wed Mar 17 2021

TXC093-143-193-170853-
/O.EXP.KFWD.SV.W.0010.000000T0000Z-210317T0845Z/
Hamilton TX-Erath TX-Comanche TX-
345 AM CDT Wed Mar 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR HAMILTON...ERATH AND
SOUTHEASTERN COMANCHE COUNTIES WILL EXPIRE AT 345 AM CDT...
    
The storms which prompted the warning have moved out of the area.
Therefore the warning will be allowed to expire. However gusty winds 
are still possible with nearby thunderstorms. A severe thunderstorm 
warning remains in effect for eastern Erath County.

A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
central and north central Texas.

LAT...LON 3251 9828 3203 9799 3202 9800 3200 9800
      3175 9782 3153 9835 3164 9843 3206 9846
      3251 9847
TIME...MOT...LOC 0843Z 245DEG 46KT 3264 9825 3163 9809 

$$

Stalley

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 17, 3:14 AM CDT	Special Weather Statement	FWD	Jack	46 min
Mar 17, 3:38 AM CDT	Severe Thunderstorm Warning	FWD	Bosque, Erath, Hill, Hood, Johnson, Somervell	67 min
Mar 17, 3:40 AM CDT	Severe Thunderstorm Warning	FWD	Denton, Parker, Tarrant, Wise	65 min
Mar 17, 4:38 AM CDT	Severe Thunderstorm Warning	FWD	Dallas, Ellis, Hill, Johnson, Tarrant	82 min
Mar 17, 4:57 AM CDT	Severe Thunderstorm Warning	FWD	Falls, Freestone, Hill, Limestone, McLennan, Navarro	48 min
Mar 17, 5:04 AM CDT	Areal Flood Advisory	FWD	Dallas, Tarrant	116 min
Mar 17, 5:19 AM CDT	Severe Thunderstorm Warning	FWD	Collin, Hunt, Kaufman, Rockwall, Van Zandt	56 min
Mar 17, 6:06 AM CDT	Severe Thunderstorm Warning	FWD	Delta, Hopkins, Hunt, Rains, Van Zandt	54 min
Mar 17, 6:22 AM CDT	Special Weather Statement	FWD	Anderson, Freestone, Henderson	53 min
Mar 17, 6:40 AM CDT	Special Weather Statement	FWD	Bell	50 min
Mar 17, 6:43 AM CDT	Severe Thunderstorm Warning	FWD	Bell	21 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021 Every 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.