Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Fort Worth, TX

July 29, 2021Leon County, Texas

NWS Fort Worth, TX issued this special weather statement at Jul 29, 2021, 5:51 PM CDT for Leon 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: Jul 29, 2021, 5:51 PM CDT (22:51 UTC)
Expired: Jul 29, 2021, 6:15 PM CDT
In force: 24 min
Issued by: NWS Fort Worth, TX

County Leon County, TX

The radar

The Ft Hood radar (KGRK), 174 km from the middle of the area, began a volume at 22:51 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.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 10.9 hours before the alert went out and 197 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: 1574 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 1140 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: -17 m²/s²
0-3 km storm-relative helicity: -7 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Fort Worth, TX wrote its last area forecast discussion before this special weather statement went out at Jul 29, 3:15 PM CDT, 2 hours 36 minutes earlier.

Area forecast discussion, Jul 29, 3:15 PM CDT, 2 hours 36 minutes before

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Hazardous weather outlook, Jul 29, 3:34 PM CDT, 2 hours 17 minutes before

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In the hours before

Special weather statement, Jul 29, 5:05 PM CDT, 46 minutes before

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Special weather statement, Jul 29, 5:51 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Fort Worth TX
551 PM CDT Thu Jul 29 2021

TXZ147-148-162-292315-
Anderson TX-Leon TX-Freestone TX-
551 PM CDT Thu Jul 29 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN FREESTONE...
NORTHEASTERN LEON AND SOUTHWESTERN ANDERSON COUNTIES UNTIL 615 PM
CDT...

At 550 PM CDT, Doppler radar was tracking a strong thunderstorm 12
miles northeast of Buffalo, or 19 miles southwest of Palestine,
moving west at 20 mph.

Pea size hail and winds in excess of 40 mph will be possible with
this storm.

 Locations impacted include...
Buffalo, Centerville, Fairfield Lake State Park and Oakwood.

LAT...LON 3152 9571 3150 9574 3137 9584 3121 9602
      3185 9611 3187 9583 3161 9572
TIME...MOT...LOC 2250Z 090DEG 15KT 3153 9586

Prater

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 12:44 PM CDT	Heat Advisory	FWD	Anderson, Collin, Cooke, Dallas, Delta, Denton and 13 more	54 hr
Jul 29, 5:05 PM CDT	Special Weather Statement	FWD	Anderson	40 min
Jul 29, 6:15 PM CDT	Special Weather Statement	FWD	Leon	30 min

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.