Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Fort Worth, TX

July 18, 2021Erath County, Texas

NWS Fort Worth, TX issued this special weather statement at Jul 18, 2021, 3:33 PM CDT for Erath County, Texas. It was in force for 27 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 18, 2021, 3:33 PM CDT (20:33 UTC)
Expired: Jul 18, 2021, 4:00 PM CDT
In force: 27 min
Issued by: NWS Fort Worth, TX

County Erath County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 84 km from the middle of the area, began a volume at 20:33 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.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 8.6 hours before the alert went out and 95 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: 241 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 1347 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: 15 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 18, 3:10 PM CDT, 23 minutes earlier.

Area forecast discussion, Jul 18, 3:10 PM CDT, 23 minutes before

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Hazardous weather outlook, Jul 18, 3:09 PM CDT, 24 minutes before

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In the hours before

Special weather statement, Jul 18, 3:33 PM CDT, 0 minutes before

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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.