Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Fort Worth, TX

October 27, 2021Hood County, Somervell County, Texas

NWS Fort Worth, TX issued this special weather statement at Oct 27, 2021, 2:21 AM CDT for Hood County, Somervell County, Texas. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Oct 27, 2021, 2:21 AM CDT (07:21 UTC)
Expired: Oct 27, 2021, 2:45 AM CDT
In force: 24 min
Issued by: NWS Fort Worth, TX
Hail: 0.00 in
Wind: 50

Counties Hood County, TX, Somervell County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 49 km from the middle of the area, began a volume at 07:21 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.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 7.4 hours before the alert went out and 73 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: 1353 J/kg
Mixed-layer CIN: -69 J/kg
Mixed-layer LCL: 1163 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 147 m²/s²
0-3 km storm-relative helicity: 323 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.2

Open this sounding in Storm Lab

The text

As transmitted.

319 
WWUS84 KFWD 270721
SPSFWD

Special Weather Statement
National Weather Service Fort Worth TX
221 AM CDT Wed Oct 27 2021
 
TXZ131>133-270745-
Hood TX-Johnson TX-Somervell TX-
221 AM CDT Wed Oct 27 2021

...Strong thunderstorms will impact portions of Somervell, western
Johnson and Hood Counties through 245 AM CDT...

At 220 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Granbury to near Dinosaur Valley State
Park. Movement was east at 40 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Cleburne, Granbury, Pecan Plantation, Glen Rose, Godley, Cleburne
State Park, Dinosaur Valley State Park, Oak Trail Shores and Tolar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
north central Texas. A Severe Thunderstorm Watch also remains in
effect until 800 AM CDT for central and north central Texas.

&&

LAT...LON 3256 9791 3255 9742 3217 9747 3216 9751
      3214 9752 3214 9753 3215 9757 3218 9757
      3218 9760 3219 9759 3220 9759 3221 9763
      3209 9787 3221 9794 3231 9798
TIME...MOT...LOC 0720Z 282DEG 35KT 3249 9776 3229 9790 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

$$

Barnes

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 26, 7:16 PM CDT	Wind Advisory	FWD	Bell, Bosque, Collin, Comanche, Cooke, Coryell and 23 more	27 hr
Oct 27, 12:35 AM CDT	Special Weather Statement	FWD	Eastland, Stephens	25 min
Oct 27, 1:00 AM CDT	Special Weather Statement	FWD	Eastland, Palo Pinto, Stephens	30 min
Oct 27, 1:07 AM CDT	Severe Thunderstorm Warning	FWD	Jack, Palo Pinto, Stephens, Young	53 min
Oct 27, 1:44 AM CDT	Severe Thunderstorm Warning	FWD	Jack, Palo Pinto, Parker, Wise	61 min
Oct 27, 2:30 AM CDT	Severe Thunderstorm Warning	FWD	Denton, Parker, Tarrant, Wise	60 min
Oct 27, 2:53 AM CDT	Severe Thunderstorm Warning Considerable damage threat	FWD	Denton	37 min
Oct 27, 3:18 AM CDT	Severe Thunderstorm Warning	FWD	Collin, Cooke, Denton, Grayson	57 min
Oct 27, 2:08 PM CDT	Wind Advisory	FWD	Anderson, Bell, Bosque, Collin, Comanche, Cooke and 40 more	34 hr

Nearby

Special Weather Statements in Texas, 2021 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.