Alert archive / Arkansas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 72, NWS Tulsa, OK

May 15, 1986Washington County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at May 15, 1986, 7:16 AM CDT for Washington County, Arkansas. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
May 15, 1986, 7:16 AM CDT (12:16 UTC)
Expired
May 15, 1986, 8:15 AM CDT
In force
59 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Washington County, AR

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, 0.3 hours before the alert went out and 109 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 1986-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 112 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, Springfield, MO at 12:00Z on 1986-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
112 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
739 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
54 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 KFSM 151216
SVRFSM
ARC143-151315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT SMITH AR
716 AM CDT THU MAY 15 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 815 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

ARK........WASHINGTON

AT 715 AM A SEVERE THUNDERSTORM WAS INDICATED BY RADAR  15
MILES SOUTHWEST OF FAYETTEVILLE MOVING NORTHEAST AT 25 MPH.

DANGEROUS LIGHTNING..LARGE HAIL AND STRONG AND POTENTIALLY DAMAGING
WINDS ARE LIKELY WITH THIS STORM. GO TO A SAFE PLACE IMMEDIATELY.

REPORT ANY LARGE HAIL OR DAMAGING WINDS TO YOUR NEAREST LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 8:56 PM CDTSevere Thunderstorm WarningTSAFranklin, Sebastian64 min
May 14, 10:02 PM CDTSevere Thunderstorm WarningTSACrawford, Sebastian58 min
May 14, 10:02 PM CDTSevere Thunderstorm WarningTSAScott58 min
May 14, 10:56 PM CDTSevere Thunderstorm WarningTSAFranklin, Johnson, Logan, Madison64 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 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.