Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 481, NWS Norman, OK

July 5, 2005Tillman County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jul 5, 2005, 6:46 AM CDT for Tillman County, Oklahoma. 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: Jul 5, 2005, 6:46 AM CDT (11:46 UTC)
Expired: Jul 5, 2005, 7:30 AM CDT
In force: 44 min
Issued by: NWS Norman, OK
Area: Counties, with a storm outline in the text

County Tillman County, OK

The radar

The Altus AFB radar (KFDR), 5 km from the middle of the area, began a volume at 11:47 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, 11.8 hours before the alert went out and 168 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: 918 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 1352 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 44 m²/s²
Significant tornado parameter: 0.1
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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 5, 3:51 AM CDT, 2 hours 55 minutes earlier.

Area forecast discussion, Jul 5, 3:51 AM CDT, 2 hours 55 minutes before

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Hazardous weather outlook, Jul 5, 6:41 AM CDT, 5 minutes before

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In the hours before

Local storm report, Jul 5, 5:15 AM CDT, 1 hour 31 minutes before

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Special weather statement, Jul 5, 5:21 AM CDT, 1 hour 25 minutes before

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Special weather statement, Jul 5, 5:41 AM CDT, 1 hour 5 minutes before

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Special weather statement, Jul 5, 5:44 AM CDT, 1 hour 2 minutes before

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Special weather statement, Jul 5, 5:58 AM CDT, 48 minutes before

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Special weather statement, Jul 5, 6:14 AM CDT, 32 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
Jul 5, 12:30 AM CDT	Severe Thunderstorm Warning	OUN	Murray	45 min
Jul 5, 2:29 AM CDT	Severe Thunderstorm Warning	OUN	Major	46 min
Jul 5, 3:07 AM CDT	Flash Flood Warning	OUN	Murray	4 hr
Jul 5, 3:15 AM CDT	Flash Flood Warning	OUN	Atoka	5 hr
Jul 4, 8:18 PM CDT	Severe Thunderstorm Warning	OUN	Archer	42 min
Jul 4, 8:56 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Clay	49 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2005 Every severe thunderstorm warning in 2005

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.