Alert archive / Alabama / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 45, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jun 7, 1986, 12:28 PM CDT for Madison County, Alabama. It was in force for 62 min.
The area
The counties it named.
The facts
- Issued
- Jun 7, 1986, 12:28 PM CDT (17:28 UTC)
- Expired
- Jun 7, 1986, 1:30 PM CDT
- In force
- 62 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, 5.5 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
- 687 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 873 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 86 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 071726
SVRHSV
ALC089-071830-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1228 PM CDT SAT JUN 7 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 130 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
IN NORTH ALABAMA
..MADISON
AT 1228 PM CDT RADAR SHOWED A SEVERE THUNDERSTORM IN EASTERN
LIMESTONE COUNTY, JUST SOUTHEAST OF CAPSHAW. THIS THUNDERSTORM WILL
MOVE INTO MADISON COUNTY ALABAMA WITHIN THE NEXT 10 MINUTES.
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, Jun 7, 9:38 AM CDT, 2 hours 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 940 AM CDT SAT MAY 7 1986 STRONG THUNDERSTORMS...PRODUCING HEAVY RAIN...WERE CLUSTERED ACROSS NORTH-CENTRAL ALABAMA AT MID-MORNING. THEY WERE MOVING NORTHEAST AT 35 MPH. AT 9:40 AM...THE STRONGEST THUNDERSTORMS WERE ALONG THE SHELBY/ JEFFERSON COUNTY LINE ABOUT 15 MILES SOUTHEAST OF BIRMINGHAM AND NEAR U. S. 280. THEY WILL CONTINUE NORTHEAST ACROSS NORTHEAST SHELBY COUNTY TOWARD LEEDS AND INTO SOUTHERN ST CLAIR COUNTY. OTHER STRONG THUNDERSTORMS WERE OVER NORTHERN BIBB AND NORTHEAST TUSCALOOSA COUNTY. STILL OTHER SHOWERS AND THUNDERSTORMS WERE MOVING INTO NORTHWEST ALABAMA'S FRANKLIN, MARION AND FAYETTE COUNTIES. RTHE STRONGEST THUNDERSTORMS WERE PRODUCING MOSTLY VERY HEAVY RAIN AND LIGHTNING BUT...SO FAR...VERY LITTLE WIND.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 12:00 PM CDT | Severe Thunderstorm Warning | BMX | Limestone | 60 min |
| Jun 7, 12:00 PM CDT | Severe Thunderstorm Warning | BMX | Morgan | 35 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; the sounding from the Mesonet's radiosonde archive.