Alert archive / Oklahoma / Tornado Warnings in 1986

Tornado Warning 4, NWS Tulsa, OK

May 14, 1986Nowata County, Oklahoma

NWS Tulsa, OK issued this tornado warning at May 14, 1986, 2:10 PM CDT for Nowata County, Oklahoma. It was in force for 65 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 14, 1986, 2:10 PM CDT (19:10 UTC)
Expired: May 14, 1986, 3:15 PM CDT
In force: 65 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Nowata County, OK

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where	Remark
May 14, 2:13 PM CDT	Tornado F0	Nowata, OK

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 7.2 hours before the alert went out and 162 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: 565 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 793 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 117 m²/s²
0-3 km storm-relative helicity: 117 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 141907
TORTUL
OKC105-142015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
207 PM CDT WED MAY 14 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 315 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF

NORTHEAST OKLAHOMA...EASTERN NORTHERN NOWATA

AT 202  PM ..A TORNADO WAS 2 MILES SOUTH OF WANN OKLAHOMA

THE TORNADO WAS MOVING TO THE NORTHEAST AT 20 MILES PER
HOUR.

THIS IS AN EXTREMELY DANGEROUS SITUATION.  PEOPLE IN THE PATH OF
THIS TORNADO SHOULD MOVE TO A SHELTER BELOW GROUND...IF AVAILABLE.
OTHERWISE...GO TO A SMALL CENTRAL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.   STAY AWAY FROM WINDO'WS AND OUTSIDE WALLS.
ABANDON CARS AND MOBILE HOMES AND SEEK SHELTER IN A REINFORCED
BUILDING OR GET INTO A DITCH OR 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
May 14, 12:06 PM CDT	Severe Thunderstorm Warning	TSA	Washington	69 min
May 14, 12:27 PM CDT	Severe Thunderstorm Warning	TSA	Nowata	63 min
May 14, 1:00 PM CDT	Severe Thunderstorm Warning	TSA	Washington	60 min
May 14, 1:24 PM CDT	Severe Thunderstorm Warning	TSA	Nowata	66 min
May 14, 2:16 PM CDT	Tornado Warning	TSA	Washington	59 min
May 14, 4:48 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	57 min
May 14, 5:18 PM CDT	Severe Thunderstorm Warning	TSA	Creek	57 min
May 14, 6:29 PM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	61 min

Nearby

Tornado Warnings in Oklahoma, 1986 Every tornado warning in 1986 Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.