Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 124, NWS Tulsa, OK

August 8, 1986Osage County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Aug 8, 1986, 12:13 AM CDT for Osage County, Oklahoma. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Aug 8, 1986, 12:13 AM CDT (05:13 UTC)
Expired
Aug 8, 1986, 1:15 AM CDT
In force
62 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Osage 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, 5.2 hours before the alert went out and 174 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 1986-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2260 joules per kilogram.LCLLFCEL10008507005003002001001 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 1986-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
2260 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
2037 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
TTAAOO KTUL 080513
SVRTUL
OKC113-080615-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1213 AM CDT FRI AUG  8 1986
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL  115 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
 
IN NORTHEAST OKLAHOMA
          ..EAST CENTRAL OSAGE

AT 1214 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM 1 MILE SOUTH OF
BARNSDAHL OKLAHOMA. MOVEMENT WAS TO THE EAST AT 10 MILES AN HOUR.
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
Aug 7, 9:18 PM CDTSevere Thunderstorm WarningTSAOsage57 min
Aug 7, 9:34 PM CDTSevere Thunderstorm WarningTSAMayes, Rogers56 min
Aug 7, 9:48 PM CDTSevere Thunderstorm WarningTSAOsage, Washington57 min
Aug 7, 11:04 PM CDTSevere Thunderstorm WarningTSACraig56 min
Aug 7, 11:29 PM CDTSevere Thunderstorm WarningTSARogers61 min
Aug 7, 11:54 PM CDTSevere Thunderstorm WarningTSAOttawa66 min
Aug 8, 12:01 AM CDTSevere Thunderstorm WarningTSANowata59 min
Aug 8, 12:37 AM CDTSevere Thunderstorm WarningTSARogers, Washington68 min
Aug 8, 5:28 AM CDTFlash Flood WarningTSANowata, Washington4 hr
Aug 8, 5:28 AM CDTFlash Flood WarningTSAOsage4 hr

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.