Alert archive / Alabama / Tornado Warnings in 1987

Tornado Warning 5, NWS Birmingham, AL

August 5, 1987Greene County, Alabama

NWS Birmingham, AL issued this tornado warning at Aug 5, 1987, 6:54 PM CDT for Greene County, Alabama. It was in force for 36 min.

The area

The counties it named.

The facts

Issued
Aug 5, 1987, 6:54 PM CDT (23:54 UTC)
Expired
Aug 5, 1987, 7:30 PM CDT
In force
36 min
Issued by
NWS Birmingham, AL
Area
Whole counties

County Greene 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 12:00Z, 11.9 hours before the alert went out and 70 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 12:00Z on 1987-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 445 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 12:00Z on 1987-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -15 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
445 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
1053 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-15 m²/s²
0-3 km storm-relative helicity
17 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 KBHM 052354
TORBHM
ALC063-060030-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
654 PM CDT WED AUG 5 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL  730 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH ALABAMA
          ...SOUTHERN GREENE
 
RADAR INDICATED A POSSIBLE TORNADO IN SOUTHERN GREENE COUNTY AT 654
PM CDT. THE THUNDERSTORM CONTAINING THE POSSIBLE TORNADO WAS JUST
NORTH OF DEMOPOLIS AND WAS MOVING VERY SLOWLY TO THE WEST.
 
 
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...
OR 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 5, 3:59 PM CDT, 2 hours 55 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MONTGOMERY AL
345 PM CDT WED AUG 5 1987

AT 335PM CDT WEATHER RADAR AT MONTGOMERY SHOWED A SHORT LINE OF VERY
STRONG THUNDERSTORMS HAD DEVELOPED OVER CENTRAL ALABAMA BETWEEN CLANTON
AND MONROEVILLE. THE STRONGEST THUNDERSTORM WAS LOCATED OVER WILCOX
COUNTY JUST EAST OF CAMDEN. THIS LINE OF THUNDERSTORMS WAS MOVING EAST
AT 15 MILES AN HOUR.

ELSEWHERE..A FEW INTENSE THUNDERSTORMS WERE OVER...ELM'ORE...MONTGOMERY...
BUTLER AND CRENSHAW COUNTIES.

PERSONS NEAR THESE STORMS MAY EXPECT LOCALLY HEAVY DOWNPOURS OF RAIN...
VERY INTENSE DANGEROUS LIGHTNING AND STRONG GUSTY SURFACE WINDS.
Special weather statement, Aug 5, 5:49 PM CDT, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MONTGOMERY AL
545 PM CDT WED AUG 5 1987

AT 545PM CDT WEATHER RADAR AT MONTGOMERY SHOWED A VERY STRONG
THUNDERSTORMS MID WAY BETWEEN LINDEN AND CAMDEN IN WEST CENTRAL
ALABAMA.  THIS THUNDERSTORMS WAS MOVING SLOWLY TO THE WEST AND HAIL
WAS ALSO INDICATED BY RADAR.

PERSONS NEAR THIS STORM CAN EXPECT HEAVY DOWNPOURS OF RAIN...VERY
INTENSE DANGEROUS LIGHTNING...STRONG GUSTY SURFACE WINDS...AND HAIL.
Special weather statement, Aug 5, 6:43 PM CDT, 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
640 PM CDT WED AUG 5 1987

A VERY STRONG THUNDERSTORM IN NORTH CENTRAL ALABAMA WILL BRING
DANGEROUS LIGHTNING...POSSIBLE STRONG WINDS AND VERY HEAVY RAIN
TO EAST CULLMAN AND NORTH BLOUNT COUNTY IN NORTH CENTRAL ALABAMA.

AT 640 PM...THE VERY STRONG THUNDERSTORM WAS ALONG THE
CULLMAN/BLOUNT COUNTY LINE ABOUT 15 MILES EAST OF THE
CITY OF CULLMAN. THE STRONGEST PART OF THE THUNDERSTORM WAS
NEAR HOLLY POND AND NORTH OF BLOUTSVILLE.

IT WAS MOVING VERY LITTLE.

THE THUNDERSTORM SHOULD DECREASE BEFORE 730 PM. IT WAS PART
OF A STRONG LINE OF THUNDERSTORMS THAT EXTENDED INTO
NORTHEAST ALABAMA NEAR ALBERTVILLE AND COLLINSVILLE.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 5:59 PM CDTSevere Thunderstorm WarningBMXMarengo26 min

Nearby

Tornado Warnings in Alabama, 1987Every tornado warning in 1987Tornadoes in 1987

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.