Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 63, NWS Norman, OK

April 3, 1986Stephens County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Apr 3, 1986, 3:10 PM CST for Stephens County, Oklahoma. It was in force for 50 min.

The area

The counties it named.

The facts

Issued: Apr 3, 1986, 3:10 PM CST (21:10 UTC)
Expired: Apr 3, 1986, 4:00 PM CST
In force: 50 min
Issued by: NWS Norman, OK
Area: Whole counties

County Stephens 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

Ok Cty/Will Rgrs, OK (KOKC), launched 12:00Z, 9.2 hours before the alert went out and 104 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: 1300 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 576 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 195 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 3.7

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

Local storm report, Apr 3, 12:10 PM CST, 3 hours before

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Special weather statement, Apr 3, 1:16 PM CST, 1 hour 54 minutes before

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Special weather statement, Apr 3, 3:00 PM CST, 10 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
Apr 3, 10:21 AM CST	Severe Thunderstorm Warning	OUN	Grady, Stephens	39 min
Apr 3, 11:00 AM CST	Severe Thunderstorm Warning	OUN	Grady, McClain	45 min
Apr 3, 11:22 AM CST	Severe Thunderstorm Warning	OUN	Logan, Oklahoma	38 min
Apr 3, 11:44 AM CST	Severe Thunderstorm Warning	OUN	Cleveland, Oklahoma	36 min
Apr 3, 11:44 AM CST	Severe Thunderstorm Warning	OUN	McClain	36 min
Apr 3, 11:55 AM CST	Severe Thunderstorm Warning	OUN	Cotton, Stephens	35 min
Apr 3, 11:55 AM CST	Severe Thunderstorm Warning	OUN	Grady	35 min
Apr 3, 12:04 PM CST	Severe Thunderstorm Warning	OUN	Noble, Payne	41 min
Apr 3, 12:24 PM CST	Severe Thunderstorm Warning	OUN	Grady, McClain	36 min
Apr 3, 1:05 PM CST	Severe Thunderstorm Warning	OUN	Cleveland, Oklahoma	45 min
Apr 3, 1:45 PM CST	Severe Thunderstorm Warning	OUN	Cleveland, Logan, Oklahoma	45 min
Apr 3, 1:45 PM CST	Severe Thunderstorm Warning	OUN	McClain	45 min
Apr 3, 2:00 PM CST	Severe Thunderstorm Warning	OUN	Garvin, Stephens	45 min
Apr 3, 2:17 PM CST	Severe Thunderstorm Warning	OUN	Lincoln, Pottawatomie	43 min
Apr 3, 2:23 PM CST	Severe Thunderstorm Warning	OUN	Cleveland, McClain	37 min
Apr 3, 2:33 PM CST	Severe Thunderstorm Warning	OUN	Stephens	42 min
Apr 3, 2:54 PM CST	Severe Thunderstorm Warning	OUN	Lincoln, Payne	56 min
Apr 3, 3:10 PM CST	Severe Thunderstorm Warning	OUN	Garvin, McClain	50 min
Apr 3, 4:10 PM CST	Severe Thunderstorm Warning	OUN	Pottawatomie, Seminole	40 min
Apr 3, 4:25 PM CST	Severe Thunderstorm Warning	OUN	Carter, Love	45 min
Apr 3, 5:08 PM CST	Severe Thunderstorm Warning	OUN	Love	37 min
Apr 3, 5:43 PM CST	Severe Thunderstorm Warning	OUN	Marshall	32 min
Apr 3, 5:53 PM CST	Severe Thunderstorm Warning	OUN	Bryan	47 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1986 Every severe thunderstorm warning in 1986

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.