Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 294, NWS Norman, OK

May 17, 1986Carter County, Johnston County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at May 17, 1986, 1:05 AM CDT for Carter County, Johnston County, Oklahoma. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
May 17, 1986, 1:05 AM CDT (06:05 UTC)
Expired
May 17, 1986, 2:00 AM CDT
In force
55 min
Issued by
NWS Norman, OK
Area
Whole counties

Counties Carter County, OK, Johnston 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 00:00Z, 6.1 hours before the alert went out and 137 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-pSkew-T log-p diagram, Ok Cty/Will Rgrs, OK at 00:00Z on 1986-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2930 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Ok Cty/Will Rgrs, OK at 00:00Z on 1986-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
2930 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
856 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
1.0
Supercell composite
5.3

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.

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 7:10 PM CDTSevere Thunderstorm WarningOUNWoodward50 min
May 16, 7:10 PM CDTSevere Thunderstorm WarningOUNRoger Mills60 min
May 16, 7:37 PM CDTSevere Thunderstorm WarningOUNDewey33 min
May 16, 7:55 PM CDTSevere Thunderstorm WarningOUNMajor, Woodward50 min
May 16, 8:16 PM CDTTornado WarningOUNBeckham, Custer, Washita29 min
May 16, 8:31 PM CDTSevere Thunderstorm WarningOUNDewey44 min
May 16, 8:54 PM CDTTornado WarningOUNWashita36 min
May 16, 9:08 PM CDTSevere Thunderstorm WarningOUNCleveland, McClain52 min
May 16, 9:35 PM CDTSevere Thunderstorm WarningOUNComanche55 min
May 16, 9:50 PM CDTSevere Thunderstorm WarningOUNCaddo, Canadian55 min
May 16, 9:50 PM CDTSevere Thunderstorm WarningOUNCleveland, Oklahoma55 min
May 16, 9:50 PM CDTSevere Thunderstorm WarningOUNKingfisher55 min
May 16, 10:16 PM CDTSevere Thunderstorm WarningOUNJackson, Tillman59 min
May 16, 10:18 PM CDTSevere Thunderstorm WarningOUNGrady42 min
May 16, 10:26 PM CDTSevere Thunderstorm WarningOUNLogan, Oklahoma64 min
May 16, 10:32 PM CDTTornado WarningOUNCaddo28 min
May 16, 10:36 PM CDTTornado WarningOUNGrady34 min
May 16, 10:45 PM CDTSevere Thunderstorm WarningOUNCanadian, Cleveland, Oklahoma45 min
May 16, 10:45 PM CDTSevere Thunderstorm WarningOUNGrady, McClain45 min
May 16, 10:45 PM CDTTornado WarningOUNTillman30 min
May 16, 11:10 PM CDTTornado WarningOUNCotton, Tillman50 min
May 16, 11:12 PM CDTTornado WarningOUNLogan, Noble, Payne33 min
May 16, 11:20 PM CDTFlash Flood WarningOUNLogan, Oklahoma3 hr
May 16, 11:20 PM CDTFlash Flood WarningOUNCleveland, McClain3 hr
May 16, 11:30 PM CDTSevere Thunderstorm WarningOUNLincoln, Logan, Oklahoma60 min
May 16, 11:30 PM CDTSevere Thunderstorm WarningOUNCleveland, Grady, McClain60 min
May 16, 11:40 PM CDTSevere Thunderstorm WarningOUNPayne50 min
May 16, 11:45 PM CDTSevere Thunderstorm WarningOUNStephens45 min
May 16, 11:47 PM CDTTornado WarningOUNGarvin28 min
May 16, 11:57 PM CDTSevere Thunderstorm WarningOUNPottawatomie48 min
May 17, 12:08 AM CDTFlash Flood WarningOUNCaddo, Grady112 min
May 17, 12:09 AM CDTTornado WarningOUNLincoln31 min
May 17, 12:52 AM CDTSevere Thunderstorm WarningOUNChoctaw, Pushmataha68 min
May 17, 1:05 AM CDTSevere Thunderstorm WarningOUNPontotoc55 min
May 17, 1:30 AM CDTSevere Thunderstorm WarningOUNAtoka, Coal60 min
May 17, 1:30 AM CDTSevere Thunderstorm WarningOUNHughes60 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1986Every 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.