Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 203, NWS Fort Worth, TX

June 17, 2013Jack County, Palo Pinto County, Parker County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Jun 17, 2013, 4:02 PM CDT for Jack County, Palo Pinto County, Parker County, Texas. It was in force for 58 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: Jun 17, 2013, 4:02 PM CDT (21:02 UTC)
Expired: Jun 17, 2013, 5:00 PM CDT
In force: 58 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon

Counties Jack County, TX, Palo Pinto County, TX, Parker County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 84 km from the middle of the area, began a volume at 21:05 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, 9.0 hours before the alert went out and 76 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: 1179 J/kg
Mixed-layer CIN: -119 J/kg
Mixed-layer LCL: 1309 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 72 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 Jun 17, 3:30 PM CDT, 32 minutes earlier.

Area forecast discussion, Jun 17, 3:30 PM CDT, 32 minutes before

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Hazardous weather outlook, Jun 17, 3:08 PM CDT, 54 minutes before

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In the hours before

Special weather statement, Jun 17, 3:17 PM CDT, 45 minutes before

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Local storm report, Jun 17, 3:49 PM CDT, 13 minutes before

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Special weather statement, Jun 17, 3:51 PM CDT, 11 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
Jun 16, 9:49 PM CDT	Special Weather Statement	FWD	Lamar	56 min
Jun 17, 4:58 AM CDT	Special Weather Statement	FWD	Young	62 min
Jun 17, 5:29 AM CDT	Severe Thunderstorm Warning	FWD	Montague	61 min
Jun 17, 5:38 AM CDT	Special Weather Statement	FWD	Jack	67 min
Jun 17, 6:02 AM CDT	Severe Thunderstorm Warning	FWD	Jack, Wise	58 min
Jun 17, 6:08 AM CDT	Severe Thunderstorm Warning	FWD	Cooke	67 min
Jun 17, 6:39 AM CDT	Severe Thunderstorm Warning	FWD	Denton	66 min
Jun 17, 6:54 AM CDT	Special Weather Statement	FWD	Grayson	66 min
Jun 17, 7:04 AM CDT	Special Weather Statement	FWD	Tarrant	26 min
Jun 17, 7:30 AM CDT	Areal Flood Advisory	FWD	Collin, Dallas, Denton, Tarrant	90 min
Jun 17, 7:45 AM CDT	Special Weather Statement	FWD	Delta, Hunt	30 min
Jun 17, 7:48 AM CDT	Special Weather Statement	FWD	Collin, Dallas, Rockwall	27 min
Jun 17, 7:56 AM CDT	Special Weather Statement	FWD	Ellis, Johnson	34 min
Jun 17, 3:17 PM CDT	Special Weather Statement	FWD	Jack	28 min
Jun 17, 3:26 PM CDT	Severe Thunderstorm Warning	FWD	Young	64 min
Jun 17, 3:51 PM CDT	Special Weather Statement	FWD	Parker	24 min
Jun 17, 4:06 PM CDT	Special Weather Statement	FWD	Denton	24 min

Nearby

Severe Thunderstorm Warnings in Texas, 2013 Every severe thunderstorm warning in 2013

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.