Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 35, NWS Fort Worth, TX

February 16, 2008Johnson County, Tarrant County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Feb 16, 2008, 12:46 PM CST for Johnson County, Tarrant County, Texas. It was in force for 44 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: Feb 16, 2008, 12:46 PM CST (18:46 UTC)
Expired: Feb 16, 2008, 1:30 PM CST
In force: 44 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon

Counties Johnson County, TX, Tarrant County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 2 km from the middle of the area, began a volume at 18:49 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Feb 16, 12:35 PM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 6.8 hours before the alert went out and 29 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 362 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 591 m²/s²
0-3 km storm-relative helicity: 667 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.9

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 Feb 16, 12:44 PM CST, 2 minutes earlier.

Area forecast discussion, Feb 16, 12:44 PM CST, 2 minutes before

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Hazardous weather outlook, Feb 16, 4:09 AM CST, 8 hours 37 minutes before

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In the hours before

Special weather statement, Feb 16, 7:28 AM CST, 5 hours 18 minutes before

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Special weather statement, Feb 16, 7:53 AM CST, 4 hours 53 minutes before

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Special weather statement, Feb 16, 11:54 AM CST, 52 minutes before

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Special weather statement, Feb 16, 12:09 PM CST, 37 minutes before

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Special weather statement, Feb 16, 12:27 PM CST, 19 minutes before

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Special weather statement, Feb 16, 12:35 PM CST, 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
Feb 15, 10:27 PM CST	Special Weather Statement	FWD	Erath	33 min
Feb 15, 10:45 PM CST	Special Weather Statement	FWD	Eastland	30 min
Feb 15, 10:46 PM CST	Severe Thunderstorm Warning	FWD	Erath	44 min
Feb 15, 11:17 PM CST	Special Weather Statement	FWD	Stephens	28 min
Feb 15, 11:28 PM CST	Severe Thunderstorm Warning	FWD	Tarrant	47 min
Feb 15, 11:33 PM CST	Severe Thunderstorm Warning	FWD	Parker	57 min
Feb 15, 11:39 PM CST	Severe Thunderstorm Warning	FWD	Hill, Limestone, McLennan	36 min
Feb 16, 12:05 AM CST	Special Weather Statement	FWD	Young	25 min
Feb 16, 12:12 AM CST	Severe Thunderstorm Warning	FWD	Navarro	48 min
Feb 16, 12:32 AM CST	Severe Thunderstorm Warning	FWD	Stephens, Young	43 min
Feb 16, 12:47 AM CST	Special Weather Statement	FWD	Henderson	28 min
Feb 16, 12:59 AM CST	Severe Thunderstorm Warning	FWD	Navarro	31 min
Feb 16, 1:17 AM CST	Severe Thunderstorm Warning	FWD	Young	43 min
Feb 16, 1:38 AM CST	Severe Thunderstorm Warning	FWD	Henderson, Navarro	37 min
Feb 16, 1:39 AM CST	Special Weather Statement	FWD	Van Zandt	36 min
Feb 16, 1:53 AM CST	Special Weather Statement	FWD	Jack	37 min
Feb 16, 2:29 AM CST	Special Weather Statement	FWD	Van Zandt	31 min
Feb 16, 2:47 AM CST	Special Weather Statement	FWD	Montague	28 min
Feb 16, 2:59 AM CST	Severe Thunderstorm Warning	FWD	Montague	46 min
Feb 16, 4:28 AM CST	Special Weather Statement	FWD	Tarrant	32 min
Feb 16, 6:23 AM CST	Special Weather Statement	FWD	Collin	22 min
Feb 16, 6:28 AM CST	Severe Thunderstorm Warning	FWD	Collin	47 min
Feb 16, 7:03 AM CST	Special Weather Statement	FWD	Grayson	27 min
Feb 16, 7:28 AM CST	Special Weather Statement	FWD	Fannin	32 min
Feb 16, 7:53 AM CST	Special Weather Statement	FWD	Fannin	37 min
Feb 16, 11:54 AM CST	Special Weather Statement	FWD	Palo Pinto, Stephens	36 min
Feb 16, 12:09 PM CST	Special Weather Statement	FWD	Palo Pinto	36 min
Feb 16, 12:16 PM CST	Severe Thunderstorm Warning	FWD	Jack, Palo Pinto, Young	44 min
Feb 16, 12:27 PM CST	Special Weather Statement	FWD	Johnson	33 min
Feb 16, 12:35 PM CST	Special Weather Statement	FWD	Eastland	25 min
Feb 16, 12:58 PM CST	Special Weather Statement	FWD	Jack	32 min
Feb 16, 1:30 PM CST	Special Weather Statement	FWD	Palo Pinto	30 min
Feb 16, 1:34 PM CST	Special Weather Statement	FWD	Ellis	26 min
Feb 16, 1:44 PM CST	Special Weather Statement	FWD	Montague	31 min
Feb 16, 1:58 PM CST	Special Weather Statement	FWD	Denton, Grayson	32 min
Feb 16, 2:06 PM CST	Special Weather Statement	FWD	Limestone	24 min
Feb 16, 2:30 PM CST	Special Weather Statement	FWD	Limestone	30 min
Feb 16, 2:33 PM CST	Special Weather Statement	FWD	Delta, Lamar	27 min
Feb 16, 2:45 PM CST	Severe Thunderstorm Warning	FWD	Lamar	31 min
Feb 16, 2:56 PM CST	Severe Thunderstorm Warning	FWD	Freestone, Limestone, Navarro	49 min
Feb 16, 3:13 PM CST	Severe Thunderstorm Warning	FWD	Henderson, Kaufman, Navarro, Van Zandt	47 min
Feb 16, 3:29 PM CST	Special Weather Statement	FWD	Hopkins, Rains	31 min
Feb 16, 4:20 PM CST	Severe Thunderstorm Warning	FWD	Milam	40 min
Feb 16, 4:22 PM CST	Special Weather Statement	FWD	Van Zandt	23 min
Feb 16, 5:01 PM CST	Severe Thunderstorm Warning	FWD	Falls, Milam, Robertson	26 min
Feb 16, 5:24 PM CST	Special Weather Statement	FWD	Anderson	36 min
Feb 16, 5:31 PM CST	River Flood Warning	FWD	Collin	26 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2008 Every severe thunderstorm warning in 2008

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.