Alert archive / Alabama / Tornado Warnings in 1986

Tornado Warning 20, NWS Birmingham, AL

May 24, 1986Morgan County, Alabama

NWS Birmingham, AL issued this tornado warning at May 24, 1986, 10:27 PM CDT for Morgan County, Alabama. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
May 24, 1986, 10:27 PM CDT (03:27 UTC)
Expired
May 24, 1986, 11:22 PM CDT
In force
55 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Morgan County, AL

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

Centreville/Bibb, AL (KCKL), launched 00:00Z, 3.5 hours before the alert went out and 176 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 1986-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 770 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 1986-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
770 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
1633 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
46 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 KHSV 250327
TORHSV
ALC103-250430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1027 PM CDT SAT MAY 24 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 1130 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF

EXTREME NORTH ALABAMA...MORGAN

AT 1020 PM A POSSIBLE TORNADO WAS REPORTED IN NORTHEAST
WINSTON COUNTY. THIS TORNADO WAS MOVING NORTHEAST AT 20
TO 25 MPH. THIS WOULD PLACE THE TORNADO IN SOUTHERN MORGAN
COUNTY NEAR LACON WITHIN THE HOUR.

THIS WARNING MEANS THAT A TORNADO HAS BEEN SIGHTED OR IS
INDICATED ON RADAR... TAKE COVER IMMEDIATELY!

AREAS NEAR THIS STORM COULD ALSO EXPERIENCE LARGE HAIL AND
DAMAGING THUNDERSTORM WINDS.

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, May 24, 6:06 PM CDT, 4 hours 21 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
605 PM CDT SAT MAY 24 1986

...ALABAMA STATE TROOPERS REPORT MARBLE SIZE HAIL 5 MILES
   WEST-NORTHWEST OF HAMILTON IN NORTHWEST ALABAMA'S MARIONQ
   COUNTY. THE HAIL OCCURED AT 5:50 PM CDT.
Local storm report, May 24, 6:25 PM CDT, 4 hours 2 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE BIRMINGHAM AL
625 PM CDT SAT MAY 24 1986

...ALABAMA STATE TROOPERS REPORT MARBLE SIZE HAIL CONTINUING
   AT HAMILTON IN NORTHWEST ALABAMA'S MARION COUNTY. BY^ 6:25 PM
   THE HAIL HAD BEEN FALLING ABOUT 20 MINUTES. A FEW HAILSTONES
   WERE LARGER THAN MARBLE SIZE.

   THE HAIL WAS COVERING THE GROUND AT THE STATE TROOPER POST.
Special weather statement, May 24, 6:37 PM CDT, 3 hours 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
635 PM CDT SAT MAY 24 1986

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 11:00
   OCLOCK TONIGHT FOR A LARGE PART OF NORTH AND WEST-CENTRAL
   ALABAMA...

AT 6:35 PM CDT...A LINE OF INTENSE THUNDERSTORMS ACROSS
NORTHWEST ALABAMA EXTENDED FROM EXTREME NORTH LAMAR COUNTY
THROUGH HAMILTON...HACKLEBURG AND PHIL CAMPBELL AND INTO
LAWRENCE COUNTY.

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE CONTINUES A SEVERE
THUNDERSTORM WARNING FOR LAWRENCE AND LIMESTONE COUNTY UNTIL 7PM.
A SEVERE THUNDERSTORM WARNING MAY BE NEEDED AT ANY MOMENT FOR
SOME OTHER COUNTIES.

THE THUNDERSTORMS IN MARION COUNTY ARE ALMOST SEVERE. ASo OF
6:25 PM...MARBLE SIZE HAIL HAD BEEN FALLING IN HAMILTON FOR
ABOUT 20 MINUTES AND ALABAMA STATE TROOPERS REPORTED THAT THE
GROUND WAS COVERED.

THE THUNDERSTORMS WERE MOVING NORTHEAST AT 15 MPH.
Special weather statement, May 24, 7:25 PM CDT, 3 hours 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MONTGOMERY AL
715 PM CST SAT MAY 24 1986

SEVERE THUNDERSTORM WATCH NUMBER 209 REMAINS IN EFFECT UNTIL 11PM CST
FOR COOSA COUNTY OF SOUTH CENTRAL ALABAMA.

WEATHER RADAR SHOWS VERY HEAVY THUNDERSTORMS CONTINUING OVER THE
NORTHWEST CORNER OF ALABAMA. THESE THUNDERSTORMS WERE MOVING TO THE
EAST ABOUT 20 MPH.

NO SEVERE WEATHER HAS BEEN REPORTED TO THIS OFFICE DURING THE PAST
HOUR..HOWEVER PERSONS IN THE WATCH AREA SHOULD REMAIN ON THE ALERT.
Special weather statement, May 24, 8:01 PM CDT, 2 hours 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
800 PM CDT SAT MAY 24 1986

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 11:00
   OCLOCK TONIGHT FOR A LARGE PART OF NORTH AND WEST-CENTRAL
   ALABAMA...

A SEVERE THUNDERSTORM WARNING FOR MARION AND WINSTON COUNTY
EXPIRED AT 8 PM AND IS NOT BEING EXTENDED AT THIS TIME.

AT 8 PM...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM NEAR
SULLIGENT IN NORTH LAMAR COUNTY...NORTHEAST TO DOUBLE SPRINGS
...THEN ACROSS NORTHWEST CULLMAN COUNTY AND INTO THE
TENNESSEE VALLEY.

THE THUNDERSTORMS WERE MOVING NORTHEAST AT 15 MPH. ALTHOUGH THE
THUNDERSTORMS HAVE WEAKENED A LITTLE THEY ARE STILL CAPABLE OF
PRODUCING STRONG WINDS AND POSSIBLE HAIL. AS THE THUNDERSTORMS
PASSED HUNTSVILLE AIRPORT...THEY PRODUCED WINDS OF AT LEAST
46 MPH.
Special weather statement, May 24, 9:18 PM CDT, 1 hour 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MONTGOMERY AL
915 PM CST SAT MAY 24 1986

SEVERE THUNDERSTORM WATCH NUMBER 209 REMAINS IN EFFECT UNTIL 11PM CST
FOR COOSA COUNTY OF SOUTH CENTRAL ALABAMA.

WEATHER RADAR SHOWS VERY HEAVY THUNDERSTORMS CONTINUING OVER THE
NORTHERN THIRD OF ALABAMA. THESE THUNDERSTORMS WERE MOVING TO THE
EAST ABOUT 20 MPH.

NO SEVERE WEATHER HAS BEEN REPORTED TO THIS OFFICE DURING THE PAST
HOUR..HOWEVER PERSONS INX THE WATCH AREA SHOULD REMAIN ON THE ALERT.

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 8:28 PM CDTTornado WarningBMXLamar62 min
May 24, 8:40 PM CDTSevere Thunderstorm WarningBMXMarion50 min
May 24, 9:00 PM CDTSevere Thunderstorm WarningBMXFayette60 min
May 24, 9:13 PM CDTSevere Thunderstorm WarningBMXFranklin62 min
May 24, 9:30 PM CDTTornado WarningBMXWinston60 min
May 24, 10:15 PM CDTSevere Thunderstorm WarningBMXCullman60 min
May 24, 10:22 PM CDTTornado WarningBMXCullman53 min

Nearby

Tornado Warnings in Alabama, 1986Every tornado warning in 1986Tornadoes 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.