Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 142, NWS Fort Worth, TX

May 9, 2021Freestone County, Limestone County, Navarro County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 9, 2021, 4:32 PM CDT for Freestone County, Limestone County, Navarro County, Texas. It was in force for 28 min. 3 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: May 9, 2021, 4:32 PM CDT (21:32 UTC)
Expired: May 9, 2021, 5:00 PM CDT
In force: 28 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Freestone County, TX, Limestone County, TX, Navarro County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 110 km from the middle of the area, began a volume at 21:34 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
May 9, 5:00 PM CDT	TSTM WND DMG	Coolidge, TX	DAMAGE TO A BARN AND MULTIPLE LARGE TREES AT A HOME IN COOLIDGE. TIME ESTIMATED FROM RADAR.
May 9, 5:03 PM CDT	TSTM WND DMG	7 Ssw Tehuacana, TX	DAMAGE TO A HOME NEAR LAKE MEXIA. TREE FELL ON HOUSE CAUSING MAJOR STRUCTURAL DAMAGE.
May 9, 5:04 PM CDT	TSTM WND DMG	7 Wsw Mexia, TX	MULTIPLE LARGE TREES DOWN ACROSS ROAD AT LCR 377 AND LCR 379.

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
May 9, 3:01 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 9.5 hours before the alert went out and 133 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: 1448 J/kg
Mixed-layer CIN: -333 J/kg
Mixed-layer LCL: 846 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 473 m²/s²
0-3 km storm-relative helicity: 499 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

As transmitted.

268 
WUUS54 KFWD 092132
SVRFWD
TXC161-293-349-092200-
/O.NEW.KFWD.SV.W.0142.210509T2132Z-210509T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Fort Worth TX
432 PM CDT Sun May 9 2021

The National Weather Service in Fort Worth has issued a

* Severe Thunderstorm Warning for...
  West central Freestone County in central Texas...
  North central Limestone County in central Texas...
  Southwestern Navarro County in north central Texas...

* Until 500 PM CDT.

* At 432 PM CDT, a severe thunderstorm was located over Hubbard, or
  19 miles northwest of Mexia, 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...
  Mexia, Wortham, Coolidge, Dawson, Angus, Tehuacana, Richland,
  Kirvin and Mustang.

This includes Interstate 45 between mile markers 215 and 225.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3170 9627 3163 9669 3180 9674 3182 9672
      3197 9683 3203 9642
TIME...MOT...LOC 2132Z 263DEG 32KT 3183 9676 

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

Prater

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 3:39 PM CDT	Severe Thunderstorm Warning	FWD	Anderson	30 min
May 9, 4:08 PM CDT	Severe Thunderstorm Warning	FWD	Hill, Limestone, McLennan	52 min
May 9, 4:58 PM CDT	Severe Thunderstorm Warning	FWD	Freestone, Hill, Limestone, Navarro	62 min
May 9, 5:33 PM CDT	Severe Thunderstorm Warning	FWD	Anderson, Freestone	42 min
May 9, 5:49 PM CDT	Severe Thunderstorm Warning	FWD	Anderson, Leon	41 min
May 9, 6:26 PM CDT	Severe Thunderstorm Warning	FWD	Leon	49 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.