Alert archive / Alabama / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 21, NWS Mobile, AL

March 16, 1986Macon County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 16, 1986, 2:00 AM CST for Macon County, Alabama. It was in force for 60 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
Mar 16, 1986, 2:00 AM CST (08:00 UTC)
Expired
Mar 16, 1986, 3:00 AM CST
In force
60 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Macon County, AL

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 16, 2:30 AM CSTHail 1Macon, AL

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

Centreville/Bibb, AL (KCKL), launched 00:00Z, 8.0 hours before the alert went out and 152 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, Centreville/Bibb, AL at 00:00Z on 1986-03-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 116 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, Centreville/Bibb, AL at 00:00Z on 1986-03-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
116 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1675 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 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 KMGM 160808
SVRMGM
ALC087-160900-

BULLETIN...IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
200 AM CST SUN MAR 16 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 3 AM CST FOR MACON COUNTY OF SOUTH ALABAMA.

AT 2 AM CST RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES WEST OF
TUSKEGEE MOVING EAST AT 30 MPH.

AT 140AM CST HAIL 2 INCHES DEEP UP TO DIME SIZE WAS REPORTED AT
FT. DEPOSIT IN LOWNDES COUNTY BY FT DEPOSIT POLICE DEPARTEMENT.

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 15, 11:39 PM CSTSevere Thunderstorm WarningMOBWashington36 min
Mar 16, 1:00 AM CSTSevere Thunderstorm WarningMOBMontgomery30 min
Mar 16, 1:30 AM CSTSevere Thunderstorm WarningMOBCrenshaw, Lowndes, Montgomery60 min

Nearby

Severe Thunderstorm Warnings in Alabama, 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.