Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 18, NWS Fort Worth, TX

March 22, 2021Lampasas County, Mills County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 22, 2021, 6:48 PM CDT for Lampasas County, Mills 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: Mar 22, 2021, 6:48 PM CDT (23:48 UTC)
Expired: Mar 22, 2021, 7:45 PM CDT
In force: 57 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Lampasas County, TX, Mills County, TX

The radar

The Ft Hood radar (KGRK), 117 km from the middle of the area, began a volume at 23:51 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
Mar 22, 7:45 PM CDT	HAIL 1.5	12 S Evant, TX	5 MILES EAST OF [ 31.30139, -98.16889 ].

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 22, 6:05 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.8 hours before the alert went out and 211 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 820 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 222 m²/s²
0-3 km storm-relative helicity: 272 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

453 
WUUS54 KFWD 222348
SVRFWD
TXC281-333-230045-
/O.NEW.KFWD.SV.W.0018.210322T2348Z-210323T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Fort Worth TX
648 PM CDT Mon Mar 22 2021

The National Weather Service in Fort Worth has issued a

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

* Until 745 PM CDT.

* At 647 PM CDT, a severe thunderstorm was located near San Saba,
  moving northeast at 50 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...
  Lampasas and Lometa. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3128 9860 3132 9859 3150 9834 3142 9827
      3146 9818 3114 9796 3105 9848 3107 9848
      3108 9846 3111 9846 3112 9850 3109 9853
      3113 9855 3117 9851 3120 9857 3124 9856
      3126 9858 3128 9863
TIME...MOT...LOC 2347Z 247DEG 42KT 3115 9865 

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

Barnes

1 follow-up statement

581 
WWUS54 KFWD 230022
SVSFWD

Severe Weather Statement
National Weather Service Fort Worth TX
722 PM CDT Mon Mar 22 2021

TXC333-230031-
/O.CAN.KFWD.SV.W.0018.000000T0000Z-210323T0045Z/
Mills TX-
722 PM CDT Mon Mar 22 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MILLS 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 midnight CDT for
central Texas.

LAT...LON 3107 9838 3119 9846 3144 9817 3114 9796
TIME...MOT...LOC 0021Z 250DEG 38KT 3123 9827 

$$

TXC281-230045-
/O.CON.KFWD.SV.W.0018.000000T0000Z-210323T0045Z/
Lampasas TX-
722 PM CDT Mon Mar 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR CENTRAL LAMPASAS COUNTY...

At 721 PM CDT, a severe thunderstorm was located 12 miles northwest
of Lampasas, moving east at 45 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...
Lampasas and Lometa. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3107 9838 3119 9846 3144 9817 3114 9796
TIME...MOT...LOC 0021Z 250DEG 38KT 3123 9827 

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

Barnes

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 22, 5:10 PM CDT	Special Weather Statement	FWD	Eastland	35 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.