Alert archive / Texas / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 159, NWS Fort Worth, TX

May 4, 2006Bosque County, Somervell County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 4, 2006, 4:46 AM CDT for Bosque County, Somervell 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: May 4, 2006, 4:46 AM CDT (09:46 UTC)
Expired: May 4, 2006, 5:30 AM CDT
In force: 44 min
Issued by: NWS Fort Worth, TX
Area: Counties, with a storm outline in the text

Counties Bosque County, TX, Somervell County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 68 km from the middle of the area, began a volume at 09:46 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

Norman, OK (KOUN), launched 00:00Z, 9.8 hours before the alert went out and 352 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: 2529 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 1101 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 98 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 4.6

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 May 4, 4:30 AM CDT, 16 minutes earlier.

Area forecast discussion, May 4, 4:30 AM CDT, 16 minutes before

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Hazardous weather outlook, May 4, 4:00 AM CDT, 46 minutes before

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In the hours before

Special weather statement, May 4, 2:43 AM CDT, 2 hours 3 minutes before

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Special weather statement, May 4, 3:06 AM CDT, 1 hour 40 minutes before

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Special weather statement, May 4, 3:28 AM CDT, 1 hour 18 minutes before

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Special weather statement, May 4, 3:54 AM CDT, 52 minutes before

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Special weather statement, May 4, 4:32 AM CDT, 14 minutes before

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Special weather statement, May 4, 4:34 AM CDT, 12 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
May 4, 12:20 AM CDT	Severe Thunderstorm Warning	FWD	Young	55 min

Nearby

Severe Thunderstorm Warnings in Texas, 2006 Every severe thunderstorm warning in 2006

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.