Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 29, NWS Norman, OK

March 13, 1990Woods County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Mar 13, 1990, 8:49 AM CST for Woods County, Oklahoma. It was in force for 41 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Mar 13, 1990, 8:49 AM CST (14:49 UTC)
Expired: Mar 13, 1990, 9:30 AM CST
In force: 41 min
Issued by: NWS Norman, OK
Area: Whole counties

County Woods County, OK

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where	Remark
Mar 13, 8:50 AM CST	Thunderstorm Wind 52	Woods, OK

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 2.8 hours before the alert went out and 144 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: 1480 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 829 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 262 m²/s²
0-3 km storm-relative helicity: 238 m²/s²
Significant tornado parameter: 1.8
Supercell composite: 9.9

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.

In the hours before

Special weather statement, Mar 13, 6:07 AM CST, 2 hours 42 minutes before

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Special weather statement, Mar 13, 8:27 AM CST, 22 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 13, 8:11 AM CST	Severe Thunderstorm Warning	OUN	Ellis	49 min
Mar 13, 8:27 AM CST	Severe Thunderstorm Warning	OUN	Harper, Woodward	63 min
Mar 13, 2:38 PM CST	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Tillman	67 min
Mar 13, 3:15 PM CST	Severe Thunderstorm Warning	OUN	Caddo	45 min
Mar 13, 3:32 PM CST	Severe Thunderstorm Warning	OUN	Canadian, Grady	58 min
Mar 13, 3:42 PM CST	Severe Thunderstorm Warning	OUN	Comanche	48 min
Mar 13, 3:57 PM CST	Severe Thunderstorm Warning	OUN	Logan, Oklahoma	48 min
Mar 13, 4:00 PM CST	Severe Thunderstorm Warning	OUN	Caddo	60 min
Mar 13, 4:27 PM CST	Severe Thunderstorm Warning	OUN	Blaine, Garfield, Kingfisher, Major	63 min
Mar 13, 4:32 PM CST	Severe Thunderstorm Warning	OUN	Comanche, Grady, McClain	58 min
Mar 13, 4:43 PM CST	Tornado Warning	OUN	McClain	32 min
Mar 13, 5:06 PM CST	Severe Thunderstorm Warning	OUN	Cleveland	54 min
Mar 13, 5:13 PM CST	Tornado Warning	OUN	McClain	32 min
Mar 13, 5:31 PM CST	Tornado Warning	OUN	McClain	29 min
Mar 13, 5:32 PM CST	Tornado Warning	OUN	Grant	43 min
Mar 13, 5:41 PM CST	Severe Thunderstorm Warning	OUN	Cotton	49 min
Mar 13, 5:54 PM CST	Tornado Warning	OUN	Cleveland, Pottawatomie	36 min
Mar 13, 5:57 PM CST	Severe Thunderstorm Warning	OUN	Cleveland	33 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1990 Every severe thunderstorm warning in 1990

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.