Alert archive / Arkansas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 4, NWS Tulsa, OK

March 10, 1986Crawford County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 10, 1986, 1:05 AM CST for Crawford County, Arkansas. It was in force for 55 min. 2 reports 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
Mar 10, 1986, 1:05 AM CST (07:05 UTC)
Expired
Mar 10, 1986, 2:00 AM CST
In force
55 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Crawford County, AR

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

TimeReportWhereRemark
Mar 10, 1:30 AM CSTThunderstorm Wind 0Crawford, AR
Mar 10, 1:45 AM CSTThunderstorm Wind 0Crawford, AR

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 00:00Z, 7.1 hours before the alert went out and 151 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 1986-03-10Temperature 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 1986-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 square meters per square second.19395878Sfc1 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
1521 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
242 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 100705
SVRFSM
ARC033-100800-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT SMITH AR
105 AM CST MON MAR 10 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 200 AM CST FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

ARKANSAS...CRAWFORD

AT 0055AM RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
FROM SILOAM SPRINGS ARKANSAS TO SALLISAW OKLAHOMA MOVING
TOWARD THE NORTHEAST AT 50 MILES AN HOUR.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 5 AM CST THIS MONDAY M
ORNING.

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

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 10, 12:56 AM CSTSevere Thunderstorm WarningTSABenton, Washington64 min
Mar 10, 1:11 AM CSTSevere Thunderstorm WarningTSASebastian64 min
Mar 10, 1:26 AM CSTSevere Thunderstorm WarningTSAFranklin, Madison64 min
Mar 10, 2:04 AM CSTSevere Thunderstorm WarningTSALogan, Scott56 min
Mar 10, 2:10 AM CSTSevere Thunderstorm WarningTSAJohnson65 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.