Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 90, NWS Fort Worth, TX

April 23, 2021Lampasas County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 23, 2021, 5:33 PM CDT for Lampasas County, Texas. It was in force for 57 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 23, 2021, 5:33 PM CDT (22:33 UTC)
Expired: Apr 23, 2021, 6:30 PM CDT
In force: 57 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Tornado: Possible
Hail: 1.25 in
Wind: 60.0 mph

County Lampasas County, TX

The radar

The Ft Hood radar (KGRK), 109 km from the middle of the area, began a volume at 22:33 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

Time	Report	Where	Remark
Apr 23, 6:06 PM CDT	HAIL 1	4 Nnw Lampasas, TX	SOCIAL MEDIA IMAGE OF 1 INCH HAIL. TIME ESTIMATED VIA RADAR.

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
Apr 23, 12:37 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 10.6 hours before the alert went out and 215 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: 14 J/kg
Mixed-layer CIN: -89 J/kg
Mixed-layer LCL: 578 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 397 m²/s²
0-3 km storm-relative helicity: 249 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

032 
WUUS54 KFWD 232233
SVRFWD
TXC281-232330-
/O.NEW.KFWD.SV.W.0090.210423T2233Z-210423T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Fort Worth TX
533 PM CDT Fri Apr 23 2021

The National Weather Service in Fort Worth has issued a

* Severe Thunderstorm Warning for...
  Lampasas County in central Texas...

* Until 630 PM CDT.

* At 533 PM CDT, a severe thunderstorm was located over Bend, or 14
  miles east of San Saba, moving east at 25 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Copperas Cove, Lampasas, Kempner and Lometa. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3144 9816 3108 9792 3103 9832 3103 9844
      3106 9848 3108 9846 3110 9847 3111 9846
      3111 9847 3112 9850 3109 9853 3113 9855
      3117 9851 3118 9854 3119 9854 3119 9856
TIME...MOT...LOC 2233Z 249DEG 21KT 3112 9848 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
$$

Barnes

2 follow-up statements

883 
WWUS54 KFWD 232252
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
552 PM CDT Fri Apr 23 2021

TXC281-232330-
/O.CON.KFWD.SV.W.0090.000000T0000Z-210423T2330Z/
Lampasas TX-
552 PM CDT Fri Apr 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR LAMPASAS COUNTY...

At 552 PM CDT, a severe thunderstorm was located 9 miles east of
Bend, or 12 miles northwest of Lampasas, moving east at 35 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Copperas Cove, Lampasas, Kempner and Lometa. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3139 9813 3108 9792 3103 9832 3103 9844
      3106 9848 3108 9846 3110 9847 3111 9846
      3111 9847 3119 9848
TIME...MOT...LOC 2252Z 249DEG 28KT 3115 9836 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
 
$$

Barnes

144 
WWUS54 KFWD 232304
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
604 PM CDT Fri Apr 23 2021

TXC281-232330-
/O.CON.KFWD.SV.W.0090.000000T0000Z-210423T2330Z/
Lampasas TX-
604 PM CDT Fri Apr 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR EASTERN LAMPASAS COUNTY...

At 604 PM CDT, a severe thunderstorm was located 8 miles northwest of
Lampasas, moving east at 35 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...
Copperas Cove, Lampasas and Kempner. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3139 9813 3108 9792 3103 9832 3122 9836
TIME...MOT...LOC 2304Z 251DEG 29KT 3117 9824 

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

Barnes

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 23, 12:45 PM CDT	Special Weather Statement	FWD	Parker	30 min
Apr 23, 1:13 PM CDT	Special Weather Statement	FWD	Tarrant	32 min
Apr 23, 1:32 PM CDT	Special Weather Statement	FWD	Tarrant	28 min
Apr 23, 1:44 PM CDT	Special Weather Statement	FWD	Jack	31 min
Apr 23, 1:47 PM CDT	Special Weather Statement	FWD	Dallas, Rockwall	28 min
Apr 23, 2:03 PM CDT	Severe Thunderstorm Warning	FWD	Jack, Montague, Wise	42 min
Apr 23, 2:08 PM CDT	Special Weather Statement	FWD	Dallas	37 min
Apr 23, 2:27 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Dallas, Rockwall	63 min
Apr 23, 2:32 PM CDT	River Flood Warning	FWD	Hunt	42 hr
Apr 23, 2:32 PM CDT	River Flood Warning	FWD	Hunt, Kaufman, Rockwall	38 hr
Apr 23, 2:42 PM CDT	Severe Thunderstorm Warning	FWD	Cooke, Montague	39 min
Apr 23, 3:12 PM CDT	Severe Thunderstorm Warning	FWD	Hunt	63 min
Apr 23, 3:16 PM CDT	Special Weather Statement	FWD	Johnson	29 min
Apr 23, 3:28 PM CDT	Special Weather Statement	FWD	McLennan	47 min
Apr 23, 3:42 PM CDT	River Flood Warning	FWD	Dallas	14 hr
Apr 23, 3:46 PM CDT	Severe Thunderstorm Warning	FWD	Bosque, McLennan	23 min
Apr 23, 4:10 PM CDT	Special Weather Statement	FWD	Cooke	35 min
Apr 23, 4:17 PM CDT	Special Weather Statement	FWD	Kaufman	28 min
Apr 23, 4:35 PM CDT	Special Weather Statement	FWD	Wise	25 min
Apr 23, 5:10 PM CDT	Special Weather Statement	FWD	Comanche	35 min
Apr 23, 5:48 PM CDT	Severe Thunderstorm Warning	FWD	Bosque, Comanche, Erath, Hamilton	57 min
Apr 23, 6:25 PM CDT	Special Weather Statement	FWD	Coryell	35 min
Apr 23, 6:34 PM CDT	Special Weather Statement	FWD	Johnson	26 min
Apr 23, 6:38 PM CDT	Special Weather Statement	FWD	Bosque	37 min
Apr 23, 6:45 PM CDT	Tornado Warning	FWD	Denton	19 min
Apr 23, 6:57 PM CDT	Special Weather Statement	FWD	Bell	33 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; radar from the NEXRAD Level II archive.