Alert archive / Alabama / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 108, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Aug 16, 1986, 2:00 PM CDT for Madison County, Alabama. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Aug 16, 1986, 2:00 PM CDT (19:00 UTC)
- Expired
- Aug 16, 1986, 3:00 PM CDT
- In force
- 60 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, 7.0 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
- 4010 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 813 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Aug 16, 1:40 PM CDT, 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 138 PM CDT SUN AUG 16 1986 A LINE OF STRONG THUNDERSTORMS WAS MOVING ACROSS NORTHWEST ALABAMA EARLY IN THE AFTERNOON. AT 135PM CDT...THE LINE OF THUNDERSTORMS WAS LOCATED FROM REFORM IN PICKENS COUNTY, TO WINFIELD AND HACKLEBURG IN MARION COUNTY, THEN INTO THE NORTHWEST PORTION OF THE STATE. THIS LINE OF THUNDERSTORMS WAS MOVING TO THE EAST AT 25 TO 30 AND IS EXPECTED TO MOVE THROUGH PICKENS, LAMAR, MARION AND FAYETTE COUNTIES...THEN INTO TUSCALOOSA, WALKER AND WINSTON COUNTIES BY 2 PM CDT. STRONG GUSTY WINDS, BRIEF BUT TORRENTIAL RAIN, AND FREQUENT LIGHTNING WILL ACCOMPANY THESE STORMS. WIND GUSTS TO 48 MPH WERE RECdORDED AT COLUMBUS MS. AND 42 MPH AT TUPELO MS. AS THIS LINE OF THUNDERSTORMS MOVED THROUGH MISSISSIPPI SHORTLY AFTER NOON.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 2:25 PM CDT | Severe Thunderstorm Warning | BMX | Morgan | 35 min |
| Aug 16, 2:25 PM CDT | Severe Thunderstorm Warning | BMX | Walker, Winston | 35 min |
| Aug 16, 2:50 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 40 min |
| Aug 16, 2:50 PM CDT | Severe Thunderstorm Warning | BMX | Cullman | 40 min |
| Aug 16, 2:54 PM CDT | Severe Thunderstorm Warning | BMX | Limestone, Madison, Morgan | 66 min |
| Aug 16, 3:15 PM CDT | Severe Thunderstorm Warning | BMX | Blount | 30 min |
| Aug 16, 3:30 PM CDT | Severe Thunderstorm Warning | BMX | St. Clair, Shelby | 60 min |
| Aug 16, 3:30 PM CDT | Severe Thunderstorm Warning | BMX | Etowah | 60 min |
| Aug 16, 3:30 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 30 min |
| Aug 16, 4:08 PM CDT | Severe Thunderstorm Warning | BMX | Calhoun, Talladega | 52 min |
| Aug 16, 4:08 PM CDT | Severe Thunderstorm Warning | BMX | Cherokee | 52 min |
| Aug 16, 4:30 PM CDT | Severe Thunderstorm Warning | BMX | Randolph | 90 min |
| Aug 16, 4:50 PM CDT | Severe Thunderstorm Warning | BMX | Clay, Cleburne | 45 min |
| Aug 16, 5:08 PM CDT | Severe Thunderstorm Warning | BMX | Perry | 52 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.