Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 13, NWS Tulsa, OK

April 4, 1986Cherokee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 4, 1986, 9:05 AM CST for Cherokee County, Oklahoma. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Apr 4, 1986, 9:05 AM CST (15:05 UTC)
Expired
Apr 4, 1986, 10:00 AM CST
In force
55 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Cherokee 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

Springfield, MO (KUMN), launched 12:00Z, 3.1 hours before the alert went out and 154 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, Springfield, MO 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, Springfield, MO at 12:00Z on 1986-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 square meters per square second.1939587897Sfc1 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
1334 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
138 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 041505
SVRTUL
OKC021-041600-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1000 AM CST FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

OKLAHOMA...CHEROKEE

AT 859  AM  A SEVERE THUNDESTORM WAS ABOUT 5 NORTHWEST OF
HULBERT OKLAHOMA.

THE THUNDERSTORM WAS MOVING TO THE NORTHEAST AT 40 MPH.

THIS THUNDERSTORM WILL LIKELY PRODUCE WINDS IN EXCESS OF 60
MILES AN HOUR AND HAIL 3/4 INCH OR LARGER IN DIAMETER.

IF YOU ARE IN OR NEAR THE WARNING AREA GET TO A REINFORCED SHELTER
AND PREPARE FOR STRONG DAMAGING WINaD...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, 9:13 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, 2:39 PM CSTSevere Thunderstorm WarningTSALatimer66 min
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.