Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 21, NWS Tulsa, OK

April 4, 1986Latimer County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 4, 1986, 2:39 PM CST for Latimer County, Oklahoma. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Apr 4, 1986, 2:39 PM CST (20:39 UTC)
Expired
Apr 4, 1986, 3:45 PM CST
In force
66 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Latimer 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, 8.7 hours before the alert went out and 221 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 12:00Z on 1986-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1986-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1337 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTUL 042039
SVRTUL
OKC077-042145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
239 PM CST FRI APR 4 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 345 PM CST FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

OKLAHOMA...LATIMER

AT 237  PM  A SEVERE THUNDESTORM WAS 20 MILES SOUTHEAST OF
HARTSHORNE, OK.

THE THUNDERSTORM WAS MOVING TO THE EAST NORTHEAST AT 25 MPH.

IF YOU ARE IN OR NEAR THE WARNING AREA GET TO A REINFORCED SHELTER
AND PREPARE FOR STRONG DAMAGING WIND...LARGE HAIL...VERY HEAVY
RAINFALL AND LIGHTNING.  PEOPLE IN MOBILE HOMES SHOULD SEEK
SHELTER IN A NEARBY REINFORCED; BUILDING OR GET INTO A DITCH OR
OTHER GROUND DEPRESSION.

KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 10:23 PM CSTSevere Thunderstorm WarningTSASequoyah67 min
Apr 3, 10:23 PM CSTSevere Thunderstorm WarningTSALeFlore67 min
Apr 4, 9:05 AM CSTSevere Thunderstorm WarningTSACherokee55 min
Apr 4, 9:13 AM CSTSevere Thunderstorm WarningTSASequoyah62 min
Apr 4, 10:24 AM CSTSevere Thunderstorm WarningTSAPittsburg66 min
Apr 4, 11:31 AM CSTSevere Thunderstorm WarningTSALatimer, Pittsburg59 min
Apr 4, 12:18 PM CSTSevere Thunderstorm WarningTSASequoyah57 min
Apr 4, 12:31 PM CSTSevere Thunderstorm WarningTSALatimer59 min
Apr 4, 12:47 PM CSTSevere Thunderstorm WarningTSALeFlore58 min
Apr 4, 1:33 PM CSTFlash Flood WarningTSALatimer, Pittsburg4 hr
Apr 4, 4:57 PM CSTSevere Thunderstorm WarningTSALeFlore63 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.