Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 255, NWS Norman, OK

June 13, 1997Choctaw County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 13, 1997, 4:42 PM CDT for Choctaw County, Oklahoma. It was in force for 48 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 13, 1997, 4:42 PM CDT (21:42 UTC)
Expired: Jun 13, 1997, 5:30 PM CDT
In force: 48 min
Issued by: NWS Norman, OK
Area: Whole counties

County Choctaw County, OK

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 13, 4:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 9.7 hours before the alert went out and 209 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: 2302 J/kg
Mixed-layer CIN: -260 J/kg
Mixed-layer LCL: 1030 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 250 m²/s²
0-3 km storm-relative helicity: 216 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Jun 13, 3:40 PM CDT, 1 hour 2 minutes earlier.

Area forecast discussion, Jun 13, 3:40 PM CDT, 1 hour 2 minutes before

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In the hours before

Local storm report, Jun 13, 12:39 PM CDT, 4 hours 3 minutes before

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Special weather statement, Jun 13, 12:39 PM CDT, 4 hours 3 minutes before

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Local storm report, Jun 13, 2:22 PM CDT, 2 hours 20 minutes before

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Local storm report, Jun 13, 2:52 PM CDT, 1 hour 50 minutes before

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Local storm report, Jun 13, 2:52 PM CDT, 1 hour 50 minutes before

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Local storm report, Jun 13, 3:17 PM CDT, 1 hour 25 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
Jun 12, 8:13 PM CDT	Severe Thunderstorm Warning	OUN	Ellis	47 min
Jun 12, 9:20 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper	55 min
Jun 12, 9:25 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Roger Mills	65 min
Jun 12, 9:50 PM CDT	Severe Thunderstorm Warning	OUN	Woodward	40 min
Jun 12, 10:05 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Woods	40 min
Jun 12, 10:20 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Dewey	40 min
Jun 12, 10:30 PM CDT	Severe Thunderstorm Warning	OUN	Roger Mills	45 min
Jun 12, 10:38 PM CDT	Severe Thunderstorm Warning	OUN	Major, Woodward	52 min
Jun 12, 10:45 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa	45 min
Jun 12, 10:56 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Custer, Washita	64 min
Jun 12, 10:56 PM CDT	Severe Thunderstorm Warning	OUN	Woods	49 min
Jun 12, 11:42 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Grant	48 min
Jun 12, 11:42 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Canadian, Kingfisher	48 min
Jun 12, 11:42 PM CDT	Severe Thunderstorm Warning	OUN	Major	48 min
Jun 12, 11:47 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Kiowa, Washita	43 min
Jun 13, 12:10 AM CDT	Severe Thunderstorm Warning	OUN	Canadian, Cleveland, Grady, Kingfisher, Logan, McClain and 1 more	65 min
Jun 13, 12:20 AM CDT	Severe Thunderstorm Warning	OUN	Kay, Noble	40 min
Jun 13, 1:03 AM CDT	Severe Thunderstorm Warning	OUN	Noble, Payne	42 min
Jun 13, 1:42 AM CDT	Severe Thunderstorm Warning	OUN	Custer	48 min
Jun 13, 2:04 AM CDT	Severe Thunderstorm Warning	OUN	Stephens	41 min
Jun 13, 2:08 AM CDT	Severe Thunderstorm Warning	OUN	Washita	37 min
Jun 13, 3:13 AM CDT	Severe Thunderstorm Warning	OUN	Carter	32 min
Jun 13, 3:27 AM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain	48 min
Jun 13, 3:38 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Love	37 min
Jun 13, 3:41 AM CDT	Flash Flood Warning	OUN	Cleveland, McClain	3 hr
Jun 13, 3:50 AM CDT	Severe Thunderstorm Warning	OUN	Marshall	25 min
Jun 13, 4:03 AM CDT	Severe Thunderstorm Warning	OUN	Washita	42 min
Jun 13, 4:14 AM CDT	Severe Thunderstorm Warning	OUN	Bryan, Marshall	46 min
Jun 13, 4:48 AM CDT	Severe Thunderstorm Warning	OUN	Bryan	42 min
Jun 13, 5:55 AM CDT	Severe Thunderstorm Warning	OUN	Canadian, Oklahoma	50 min
Jun 13, 3:24 PM CDT	Severe Thunderstorm Warning	OUN	Bryan, Choctaw	51 min
Jun 13, 3:56 PM CDT	Severe Thunderstorm Warning	OUN	Choctaw	49 min
Jun 13, 6:48 PM CDT	Severe Thunderstorm Warning	OUN	Pushmataha	42 min
Jun 12, 7:44 PM CDT	Severe Thunderstorm Warning	OUN	Baylor	46 min
Jun 12, 8:14 PM CDT	Severe Thunderstorm Warning	OUN	Archer	46 min
Jun 12, 8:35 PM CDT	Severe Thunderstorm Warning	OUN	Wichita	40 min
Jun 12, 8:56 PM CDT	Severe Thunderstorm Warning	OUN	Archer	64 min
Jun 12, 9:57 PM CDT	Severe Thunderstorm Warning	OUN	Archer	63 min
Jun 12, 10:33 PM CDT	Tornado Warning	OUN	Archer	27 min
Jun 12, 10:40 PM CDT	Flash Flood Warning	OUN	Archer	3 hr
Jun 12, 11:03 PM CDT	Severe Thunderstorm Warning	OUN	Archer	27 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1997 Every severe thunderstorm warning in 1997

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.