Alert archive / Alabama / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 112, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Aug 16, 1986, 2:50 PM CDT for Cullman County, Alabama. It was in force for 40 min.
The area
The counties it named.
The facts
- Issued
- Aug 16, 1986, 2:50 PM CDT (19:50 UTC)
- Expired
- Aug 16, 1986, 3:30 PM CDT
- In force
- 40 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 12:00Z, 7.8 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.
- Mixed-layer CAPE
- 1181 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 725 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, 1 hour 10 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.
Special weather statement, Aug 16, 2:48 PM CDT, 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MONTGOMERY AL 245 PM CDT SAT AUG 16 1986 AT 240 PM CDT WEATHER RADAR AT MONTGOMERY SHOWED A SHORT INTENSE LINE OF THUNDER STORMS EXTENDING FROM CENTREVILLE TO NEAR CAMDEN IN WEST CENTRAL ALABAMA. THIS LINE OF THUNDERSTORMS WAS MOVING EAST AT 20 MILES AN HOUR AND WILL PASS OVER SELMA VERY SHORTLY. THESE INTENSE THUNDERSTORMS WILL BE ACCOMPANIED BY HEAVY RAINS AND VERY DANGEROUS LIGHTNING. T,HE THUNDERSTORMS ALSO HAVE THE POTENTIAL FOR STRONG GUSTY WINDS AND SMALL HAIL. PEOPLE IN CENTRAL ALABAMA SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS THROUGHOUT THE REMAINDER OF THIS AFTERNOON AND EVENING.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 2:00 PM CDT | Severe Thunderstorm Warning | BMX | Madison | 60 min |
| 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, 2:54 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.