Alert archive / Alabama / Tornado Warnings in 1986

Tornado Warning 22, NWS Birmingham, AL

August 10, 1986Cullman County, Alabama

NWS Birmingham, AL issued this tornado warning at Aug 10, 1986, 7:50 PM CDT for Cullman County, Alabama. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Aug 10, 1986, 7:50 PM CDT (00:50 UTC)
Expired
Aug 10, 1986, 8:45 PM CDT
In force
55 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Cullman 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, 0.8 hours before the alert went out and 140 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 1986-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 997 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Centreville/Bibb, AL at 00:00Z on 1986-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
997 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1270 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KBHM 110102 COR
TORBHM
ALC043-110045-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING                         CORRECTION
NATIONAL WEATHER SERVICE BIRMINGHAM AL
750 PM CDT SUN AUG 10 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 845 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:

IN NORTH ALABAMA
          ..CULLMAN

AT 750 PM THE CULLMAN COUNTY SHERIFFS OFFICE REPORTED A TORNADO IN
THE SARDIS AREA MOVING EAST NORTHEAST.

IF YOU ARE IN THE PATH OF A TORNADO, THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE, SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS, PILLOWS, ORu
CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

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

Special weather statement, Aug 10, 2:41 PM CDT, 5 hours 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
240 PM CDT SUN AUG 10 1986

A VERY STRONG THUNDERSTORM ALONG THE NORTH EDGE OF BIRMINGHAM
WILL PRODUCE STRONG WINDS...VERY HEAVY RAIN...DANGEROUS LIGHTNING
AND POSSIBLE HAIL.

MAINLY AFFECTED BY THIS BIG THUNDERSTORM WILL BE THE NORTH AND
NORTHEAST PART OF THE CITY...INCLUDING THE TARRANT-CENTER POINT
WOODLAWN-HUFFMAN-MUNICIPAL AIRPORT AREAS.

THE THUNDERSTORM WAS MOVING NORTHEAST AT 15 MPH.

AT 2:36 PM...ALABAMA STATE TROOPERS REPORTED MARBLE SIZE HAIL,
VERY HEAVY RAIN AND WINDS ESTIMATED TO 45 MPH ALONG 41ST STREET
IN NORTH BIRMINGHAM.
Special weather statement, Aug 10, 3:05 PM CDT, 4 hours 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MONTGOMERY AL
305 PM  CDT SUN AUG 10 1986

RADAR SHOWED INTENSE THUNDERSTORMS MOVING OVER CENTRAL ALABAMA AT
300 PM. THE STRONGEST STORMS WERE NEAR WETUMPKA...LAKE MARTIN...AND
JUST EAST AND SOUTH OF MONTGOMERY. OTHER HEAVY THUNDERSTORMS WERE
SCATTERED ALONG THE FLORIDA BORDER NEAR FLORALA.

THE STORMS WERE MOVING NORTHEAST AT 15 MPH AND WILL BE PRODUCING
STRONG GUSTY WINDS...INTENSE LIGHTNING...BLINDING RAIN...AND SOME HAIL.
TORRENTIAL RAIN AND STRONG WINDS WERE REPORTED IN WETUMPKA AT 245 PM.

BOATERS ON LAKE MARTIN SHOULD SEEK SAFE HARBOR.

DEVAUGHN
Special weather statement, Aug 10, 3:11 PM CDT, 4 hours 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
310 PM CDT SUN AUG 10 1986

A VERY STRONG THUNDERSTORM NORTHEAST AND EAST OF BIRMINGHAM
WILL PRODUCE STRONG WINDS...VERY HEAVY RAIN...DANGEROUS LIGHTNING
AND POSSIBLE HAIL.

MAINLY AFFECTED BY THIS BIG THUNDERSTORM BETWEEN NOW AND ABOUT
3:30 THIS AFTERNOON WILL BE AREA JUST EAST AND NORTHEAST OF
BIRMINGHAM INCLUDING LEEDS AND THE NORTHEAST EDGE OF SHELBY
COUNTY.

THE THUNDERSTORM WAS MOVING EAST-NORTHEAST AT 15 MPH.

EARLIER...AT 2:36 PM...ALABAMA STATE TROOPERS REPORTED MARBLE
SIZE HAIL VERY HEAVY RAIN AND WINDS ESTIMATED TO 45 MPH IN
NORTH BIRMINGHAM. THERE WAS AN UNCONFIRMED REPORT OF SOME TREES
UPROOTED IN FORESTDALE.
Special weather statement, Aug 10, 5:43 PM CDT, 2 hours 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
540 PM CDT SUN AUG 10 1986

VERY STRONG THUNDERSTORMS WERE ENTERING NORTHWEST ALABAMA LATE
THIS AFTERNOON. THESE THUNDERSTORMS WILL PRODUCE STRONG WINDS,
VERY HEAVY RAIN, MUCH DANGEROUS LIGHTNING AND POSSIBLE HAIL.

MAINLY AFFECTED BY THESE THUNDERSTORMS UNTIL ABOUT 7 PM CDT
WILL BE MARION AND LAMAR COUNTIES. THE THUNDERSTORMS APPROACHING
LAMAR COUNTY ARE ESPECIALLY STRONG AND A SPECIFIC WARNING MAY
BE REQUIRED LATER.

AT 5:40 PM...A LINE OF VERY STRONG THUNDERSTORMS EXTENDED FROM
HACKLEBURG AND PHIL CAMPBELL, ALA., SOUTHWEST TO ABDERDEEN
AND WEST POINT, MISS. THEY WERE MOVING EAST ABOUT 25 MPH.

MEANWHILE...TO THE SOUTH...THE NATIONAL WEATHER SERVICE IN
MERIDIAN ISSUED TORNADO WARNINGS LATE THIS AFTERNOON FOR JONES
AND WAYNE COUNTIES IN EAST MISSISSIPPI. THESE POWERFUL
THUNDERSTORMS MAY MOVE INTO WEST-CENTRAL ALABAMA LATER. THEY
WILL BE WATCHED CLOSELY.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 10, 7:54 PM CDTSevere Thunderstorm WarningBMXMadison51 min
Aug 10, 8:45 PM CDTSevere Thunderstorm WarningBMXPickens, Tuscaloosa45 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.