Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 46, NWS Tulsa, OK

April 13, 1986Muskogee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 13, 1986, 11:56 PM CST for Muskogee County, Oklahoma. It was in force for 64 min.

The area

The counties it named.

The facts

Issued: Apr 13, 1986, 11:56 PM CST (05:56 UTC)
Expired: Apr 14, 1986, 1:00 AM CST
In force: 64 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Muskogee 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 00:00Z, 5.9 hours before the alert went out and 201 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2255 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 353 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 140556
SVRTUL
OKC101-140700-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1156 PM CST SUN APR 13 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 100 AM CST FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

OKLAHOMA...MUSKOGEE

AT 1145 PM  A SEVERE THUNDESTORM WAS 10 MILES WEST OF
MUSKOGEE OKLAHOMA.

THE THUNDERSTORM WAS MOVING TO THE SOUTHEAST AT 45 MILES PER
HOUR.

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

REMEMBER THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO
WITH LITTLE OR NO ADVANCED WARNING SO BE ON THE LOOKOUT.

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.

Issued	Product	Office	Counties	Lasted
Apr 13, 9:39 PM CST	Severe Thunderstorm Warning	TSA	Osage, Pawnee	66 min
Apr 13, 10:24 PM CST	Severe Thunderstorm Warning	TSA	Creek, Tulsa	66 min
Apr 13, 10:24 PM CST	Severe Thunderstorm Warning	TSA	Nowata	66 min
Apr 13, 10:47 PM CST	Severe Thunderstorm Warning	TSA	Craig, Rogers	58 min
Apr 13, 11:35 PM CST	Severe Thunderstorm Warning	TSA	Okmulgee, Wagoner	55 min
Apr 14, 12:09 AM CST	Severe Thunderstorm Warning	TSA	Cherokee	66 min
Apr 14, 12:20 AM CST	Severe Thunderstorm Warning	TSA	McIntosh	55 min
Apr 14, 12:28 AM CST	Severe Thunderstorm Warning	TSA	Haskell	62 min
Apr 14, 12:52 AM CST	Severe Thunderstorm Warning	TSA	LeFlore, Sequoyah	68 min
Apr 14, 1:07 AM CST	Severe Thunderstorm Warning	TSA	LeFlore	68 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.