Alert archive / Arkansas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 53, NWS Tulsa, OK

April 14, 1986Washington County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 14, 1986, 1:19 AM CST for Washington County, Arkansas. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Apr 14, 1986, 1:19 AM CST (07:19 UTC)
Expired
Apr 14, 1986, 2:15 AM CST
In force
56 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 00:00Z, 7.3 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 00:00Z on 1986-04-14Temperature 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 00:00Z on 1986-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939587897117Sfc1 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
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 KFSM 140728 RRA
SVRFSM
ARC047-087-143-140815-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT SMITH AR
119 AM CST MON APR 14 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 215 AM CST FOR PEOPLE IN THE FOLLOWING
COUNTIES OF

ARKANSAS...FRANKLIN...MADISON AND EASTERN WASHINGTON

AT 115AM A SEVERE THUNDERSTORM WAS INDICATED BY RADAR NEAR
WESTFORK IN WASHINGTON COUNTY ARKANSAS MOVING SOUTHEAST AT
40 MPH. THREE QUARTER INCH HAIL WAS REPORTED AT  WESTFORK
IN WASHINGTON COUNTY AT 110 AM.

LARGE HAIL AND STRONG SURFACE WINDS MAY OCCUR WITH THIS STORM. IF
YOU OBSERVE ANY LARGE HAIL OR STRONG WINDS PLEASE RELAY YOUR
REPORT LTO THE NEAREST LAW ENFORCEMENT AGENCY.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 1:07 AM CSTSevere Thunderstorm WarningTSASebastian68 min
Apr 14, 1:19 AM CSTSevere Thunderstorm WarningTSAFranklin, Madison56 min
Apr 14, 1:37 AM CSTSevere Thunderstorm WarningTSALogan, Scott68 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.