Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 403, NWS Norman, OK

May 14, 2008Foard County, Hardeman County, Texas

NWS Norman, OK issued this severe thunderstorm warning at May 14, 2008, 12:44 AM CDT for Foard County, Hardeman County, Texas. It was in force for 15 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 14, 2008, 12:44 AM CDT (05:44 UTC)
Expired: May 14, 2008, 12:59 AM CDT
In force: 15 min
Issued by: NWS Norman, OK
Area: Storm-based polygon

Counties Foard County, TX, Hardeman County, TX

The radar

The Altus AFB radar (KFDR), 77 km from the middle of the area, began a volume at 05:45 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, 5.7 hours before the alert went out and 248 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: 1108 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 1441 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 247 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 7.1

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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 13, 8:02 PM CDT, 4 hours 42 minutes earlier.

Area forecast discussion, May 13, 8:02 PM CDT, 4 hours 42 minutes before

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Hazardous weather outlook, May 13, 11:50 PM CDT, 54 minutes before

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In the hours before

Special weather statement, May 13, 8:42 PM CDT, 4 hours 2 minutes before

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Local storm report, May 13, 9:07 PM CDT, 3 hours 37 minutes before

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Local storm report, May 13, 9:19 PM CDT, 3 hours 25 minutes before

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Local storm report, May 13, 10:02 PM CDT, 2 hours 42 minutes before

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Special weather statement, May 13, 11:52 PM CDT, 52 minutes before

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Special weather statement, May 14, 12:11 AM CDT, 33 minutes before

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The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 13, 7:24 PM CDT	Severe Thunderstorm Warning	OUN	Pottawatomie, Seminole	35 min
May 13, 7:30 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Pottawatomie	45 min
May 13, 8:11 PM CDT	Severe Thunderstorm Warning	OUN	Hughes	49 min
May 13, 8:49 PM CDT	Severe Thunderstorm Warning	OUN	Hughes, Seminole	41 min
May 13, 9:01 PM CDT	Severe Thunderstorm Warning	OUN	Hughes	29 min
May 13, 9:26 PM CDT	Severe Thunderstorm Warning	OUN	Hughes	35 min
May 13, 7:29 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Clay	46 min
May 13, 9:31 PM CDT	Severe Thunderstorm Warning	OUN	Baylor	44 min
May 14, 12:16 AM CDT	Severe Thunderstorm Warning	OUN	Foard, Hardeman, Knox	29 min

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.