Alert archive / Alabama / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 52, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jul 13, 1986, 3:59 PM CDT for Madison County, Alabama. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Jul 13, 1986, 3:59 PM CDT (20:59 UTC)
- Expired
- Jul 13, 1986, 5:00 PM CDT
- In force
- 61 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Madison 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
Nashville Metro, TN (KBNA), launched 12:00Z, 9.0 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.
- Mixed-layer CAPE
- 901 J/kg
- Mixed-layer CIN
- -125 J/kg
- Mixed-layer LCL
- 1079 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAAOO KHSV 132059
SVRHSV
ALC089-132200-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
359 PM CDT SUN JUL 13 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 500 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
IN NORTH ALABAMA
..MADISON
AT 400 PM CDT WINDS AT THE HUNTSVILLE MADISON COUNTY JETPLEX REACH 53
MPH. THIS WAS ASSOCIATED WITH A SEVERE THUNDERSTORMS MOVING EASTWARD
AT 15 MPH.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH,
DESTRUCTIVE HAIL, DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.What forecasters said that day
The local office's own words before this severe thunderstorm 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, Jul 13, 3:17 PM CDT, 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 300 PM CDT FRI JUL 11 1986 AT 315 PM HEAVY THUNDERSTORMS ACCOMPANIED BY STRONG GUSTY WINDS.. HEAVY RAIN AND DANGEROUS LIGHTNING WERE LOCATED OVER PORTIONS OF WINSTON AND EASTERN MARION COUNTIES IN NORTH ALABAMA. THESE THUNDERSTORMS WERE MOVING TOWARD THE SOUTHEAST AT 20 MPH AND SHOULD MOVE INTO THE LEWIS SMITH LAKE AREA BETWEEN 3:15 AND 4:00 PM CDT. BOATERS IN THE LEWIS SMITH~ LAKE AREA SHOULD PAY PARTICULAR ATTENTION AND SHOULD BE AWARE THAT NEARBY THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS.
Special weather statement, Jul 13, 3:19 PM CDT, 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 315 PM CDT SUN JUL 13 1986 AT 315 PM HEAVY THUNDERSTORMS ACCOMPANIED BY STRONG GUSTY WINDS.. HEAVY RAIN AND DANGEROUS LIGHTNING WERE LOCATED OVER PORTIONS OF WINSTON AND EASTERN MARION COUNTIES IN NORTH ALABAMA. THESE THUNDERSTORMS WERE MOVING TOWARD THE SOUTHEAST AT 20 MPH AND SHOULD MOVE INTO THE LEWIS SMITH LAKE AREA BETWEEN 3:15 AND 4:00 PM CDT. BOATERS IN THE LEWIS SMITH LAKE AREA SHOULD PAY PARTICULAR ATTENTION AND SHOULD BE AWARE THAT NEARBY THUNDERSTORMS MAY PRODUCE STRONG GUSTY WINDS.
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; the sounding from the Mesonet's radiosonde archive.