Alert archive / Texas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 213, NWS Fort Worth, TX

August 8, 2014Fannin County, Grayson County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Aug 8, 2014, 6:43 PM CDT for Fannin County, Grayson County, Texas. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 8, 2014, 6:43 PM CDT (23:43 UTC)
Expired: Aug 8, 2014, 7:45 PM CDT
In force: 62 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon

Counties Fannin County, TX, Grayson County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.7 hours before the alert went out and 120 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: 1186 J/kg
Mixed-layer CIN: -236 J/kg
Mixed-layer LCL: 1470 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 130 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 8, 6:30 PM CDT, 13 minutes earlier.

Area forecast discussion, Aug 8, 6:30 PM CDT, 13 minutes before

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Hazardous weather outlook, Aug 8, 4:16 PM CDT, 2 hours 27 minutes before

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In the hours before

Special weather statement, Aug 8, 3:51 PM CDT, 2 hours 52 minutes before

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Special weather statement, Aug 8, 4:12 PM CDT, 2 hours 31 minutes before

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Local storm report, Aug 8, 5:11 PM CDT, 1 hour 32 minutes before

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Special weather statement, Aug 8, 5:43 PM CDT, 1 hour before

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Special weather statement, Aug 8, 6:03 PM CDT, 40 minutes before

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Special weather statement, Aug 8, 6:18 PM CDT, 25 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 8, 2:18 PM CDT	Special Weather Statement	FWD	Jack	27 min
Aug 8, 2:42 PM CDT	Heat Advisory	FWD	Anderson, Bell, Bosque, Collin, Cooke, Coryell and 30 more	52 hr
Aug 8, 2:42 PM CDT	Special Weather Statement	FWD	Jack, Palo Pinto, Wise	33 min
Aug 8, 3:15 PM CDT	Special Weather Statement	FWD	Jack, Wise	30 min
Aug 8, 3:42 PM CDT	Special Weather Statement	FWD	Stephens	33 min
Aug 8, 3:51 PM CDT	Special Weather Statement	FWD	Wise	24 min
Aug 8, 4:12 PM CDT	Special Weather Statement	FWD	Montague	33 min
Aug 8, 4:15 PM CDT	Areal Flood Advisory	FWD	Wise	2 hr
Aug 8, 4:19 PM CDT	Severe Thunderstorm Warning	FWD	Cooke	56 min
Aug 8, 4:41 PM CDT	Severe Thunderstorm Warning	FWD	Cooke	64 min
Aug 8, 5:43 PM CDT	Special Weather Statement	FWD	Fannin	32 min
Aug 8, 6:03 PM CDT	Special Weather Statement	FWD	Collin	27 min
Aug 8, 6:18 PM CDT	Special Weather Statement	FWD	Grayson	27 min

Nearby

Severe Thunderstorm Warnings in Texas, 2014 Every severe thunderstorm warning in 2014

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.