Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 55, NWS Norman, OK

March 14, 1990Jackson County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Mar 14, 1990, 12:52 AM CST for Jackson County, Oklahoma. It was in force for 53 min.

The area

The counties it named.

The facts

Issued: Mar 14, 1990, 12:52 AM CST (06:52 UTC)
Expired: Mar 14, 1990, 1:45 AM CST
In force: 53 min
Issued by: NWS Norman, OK
Area: Whole counties

County Jackson County, OK

The radar

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

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 6.9 hours before the alert went out and 197 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: 1624 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 695 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 115 m²/s²
0-3 km storm-relative helicity: 128 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.7

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, 9:42 PM CST, 3 hours 10 minutes before

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Special weather statement, Mar 13, 10:00 PM CST, 2 hours 52 minutes before

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Special weather statement, Mar 13, 11:00 PM CST, 1 hour 52 minutes before

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Special weather statement, Mar 14, 12:02 AM CST, 50 minutes before

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Local storm report, Mar 14, 12:11 AM CST, 41 minutes before

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Local storm report, Mar 14, 12:18 AM CST, 34 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
Mar 13, 6:01 PM CST	Tornado Warning	OUN	Jefferson, Stephens	29 min
Mar 13, 6:23 PM CST	Tornado Warning	OUN	Lincoln, Pottawatomie	37 min
Mar 13, 6:26 PM CST	Tornado Warning	OUN	Jefferson, Stephens	34 min
Mar 13, 6:45 PM CST	Severe Thunderstorm Warning	OUN	Cotton, Stephens	60 min
Mar 13, 6:57 PM CST	Tornado Warning	OUN	Jefferson, Stephens	33 min
Mar 13, 7:04 PM CST	Severe Thunderstorm Warning	OUN	Pottawatomie, Seminole	41 min
Mar 13, 7:04 PM CST	Severe Thunderstorm Warning	OUN	Lincoln	41 min
Mar 13, 7:10 PM CST	Severe Thunderstorm Warning	OUN	Carter, Garvin, Murray	65 min
Mar 13, 7:18 PM CST	Severe Thunderstorm Warning	OUN	Lincoln, Oklahoma	57 min
Mar 13, 7:31 PM CST	Tornado Warning	OUN	Carter	29 min
Mar 13, 7:34 PM CST	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Stephens	56 min
Mar 13, 7:52 PM CST	Tornado Warning	OUN	Garvin	38 min
Mar 13, 8:18 PM CST	Tornado Warning	OUN	Garvin	42 min
Mar 13, 8:42 PM CST	Tornado Warning	OUN	Garvin, McClain	48 min
Mar 13, 8:42 PM CST	Tornado Warning	OUN	Pottawatomie	48 min
Mar 13, 8:53 PM CST	Severe Thunderstorm Warning	OUN	Jackson, Kiowa, Tillman	67 min
Mar 13, 9:20 PM CST	Severe Thunderstorm Warning	OUN	Pontotoc, Pottawatomie, Seminole	55 min
Mar 13, 9:36 PM CST	Severe Thunderstorm Warning	OUN	Caddo, Kiowa, Washita	69 min
Mar 13, 9:48 PM CST	Severe Thunderstorm Warning	OUN	Hughes	57 min
Mar 13, 10:26 PM CST	Severe Thunderstorm Warning	OUN	Blaine, Garfield, Kingfisher, Major	64 min
Mar 13, 10:26 PM CST	Severe Thunderstorm Warning	OUN	Custer	64 min
Mar 13, 10:26 PM CST	Severe Thunderstorm Warning	OUN	Grant	64 min
Mar 13, 11:43 PM CST	Severe Thunderstorm Warning	OUN	Garfield, Noble	47 min
Mar 14, 1:38 AM CST	Severe Thunderstorm Warning	OUN	Logan	37 min
Mar 14, 2:00 AM CST	Severe Thunderstorm Warning	OUN	Payne	30 min
Mar 14, 2:34 AM CST	Severe Thunderstorm Warning	OUN	Canadian, Grady	26 min
Mar 14, 4:50 AM CST	Severe Thunderstorm Warning	OUN	Coal, Pontotoc	35 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; the sounding from the Mesonet's radiosonde archive.