Alert archive / Alabama / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 71, NWS Birmingham, AL
NWS Birmingham, AL issued this severe thunderstorm warning at Jul 28, 1986, 2:55 PM CDT for Bibb County, Alabama. It was in force for 50 min.
The area
The counties it named.
The facts
- Issued
- Jul 28, 1986, 2:55 PM CDT (19:55 UTC)
- Expired
- Jul 28, 1986, 3:45 PM CDT
- In force
- 50 min
- Issued by
- NWS Birmingham, AL
- Area
- Whole counties
County Bibb 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, 7.9 hours before the alert went out and 13 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
- 1180 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 1110 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBHM 281959 SVRBHM ALC007-282045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BIRMINGHAM AL 255 PM CDT MON JUL 28 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES IN ALABAMA... BIBB. AT 255 PM CST RADAR INDICATED SEVERE THUNDERSTORMS LOCATED OVER NORTH BIBB COUNTY NEAR WEST BLOCKTON AND CENTRAL BIBB COUNTY NEAR CENTREVILLE MOVING SOUTH AT 20 MPH. HEAVY RAIN..DANGEROUS LIGHTNING.. AND DAMAGING WINDS CAN BE EXPECTED WITH THESE THUNDERSTORMS AS THEY MOVE THROUGH BIBB COUNTY UNTIL 345 PM CDT. A SEVERE THUNDERSTORM IS DEFINED AS HAVING WINDS OF 58 MPH OR STRONGER AND/OR HAIL 3/4 INCH IN DIAMETER OR GREATER.
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 28, 12:42 PM CDT, 2 hours 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 1230 PM CDT MON JUL 28 1986 ...THUNDERSTORMS DEVELOPING ACROSS NORTH CENTRAL ALABAMA... SCATTERED HEAVY THUNDERSTORMS HAD BEGUN TO DEVELOP SHORTLY AFTER NOON OVER PARTS OF NORTH CENTRAL ALABAMA. AT 1230 PM CDT RADAR SHOWED AN AREA OF STRONG THUNDERSTORMS THAT STRETCHED FROM EASTER WALKER COUNTY ACROSS SOUTHERN CULLMAN AND WESTERN BLOUNT COUNTIES. ANOTHER THUNDERSTORM WAS LOCATED NEAR GADSDEN AND ALONG THE CALHOUN/TALLADEGA COUNTY LINE NEAR LINCOLN. MOVEMENT OF THESE THUNDERSTORMS WAS TOWARD THE SOUTH AT 20 MPH. MORE THUNDERSTORM DEVELOPMENT IS LIKELY DURING THE AFTERNOON. THE NATIONAL WEATHER SERVICE WILL +KEEP YOU INFORMED SHOULD ANY OF THE THUNDERSTORMS BECOME SEVERE.
Special weather statement, Jul 28, 1:29 PM CDT, 1 hour 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
130 PM CDT MON JUL 28 1986
...THUNDERSTORMS MOVING INTO THE BIRMINGHAM AREA...
SCATTERED HEAVY THUNDERSTORMS HAVE DEVELOPED ACROSS PORTIONS OF NORTH
CENTRAL AND CENTRAL ALABAMA DURING THE PAST HOUR. AT 125 PM RADAR
SHOWED THE HEAVIEST THUNDERSTORMS OVER SOUTHERN WALKER..AND THE
NORTHERN AND WESTERN PORTIONS OF JEFFERSON COUNTY. MOVEMENT OF THESE
STORMS WAS TOWARD THE SOUTH AT 20 MPH.
THE STRONG THUNDERSTORMS IN NORTHWEST JEFFERSON COUNTY WILL LIKELY MOVE
THROUGH PARTS OF THE BIRMINGHAM AREA BETWEEN 130 PM AND 230 PM CDT.
YOU CAN EXPECT SOME BRIEF HEAVY RAIN AND SOME LIGHTNING AS THESE STORMS
PASS THROUGH THE BIRMINGHAM kAREA.
OTHER HEAVY THUNDERSTORMS WERE LOCATED NEAR CULLMAN..ANNISTON..AND
TALLADEGA.Local storm report, Jul 28, 2:44 PM CDT, 11 minutes before
STORM REPORT NATIONAL WEATHER SERVICE BIRMINGHAM AL 240 PM CDT SUN JUL 27 1986 ...AT 150 PM CDT WINDS GUSTED TO 52 MPH WITH HEAVY RAIN..INTENSE LIGHTNING AND SMALL HAIL AT NATIONAL WEATHER SERVICE FORECAST OFFICE IN BIRMINGHAM. ...AT 200 PM CDT PEA SIZE HAIL..VERY HEAVY RAIN..INTENSE LIGHTNING.. NUMEROUS POWER OUTAGES IN HOMEWOOD..SOUTH BIRMINGHAM SUBURB.. REPORTED BY BIRMINGHAM AMATEUR RADIO CLUB. ...AT 200 PM CDT PEA SIZE HAIL AT INTERSTATE 65/59. ...AT 205 PM CDT POWER OUTAGES REPORTED IN WESTERN BIRMINGHAM. ...AT 220 PM CDT TUSCALOOSA STATE POLICE REPORT HIGH WINDS..NO SPEED ESTIMATE. ...AT 225 PM CDT PEA SIZE HAIL/STRONG GUSTY WINDS/NUMEROUS LIGHTNING STRIKES AT ALABASTER/15 MILES S. OF BIRMINGHAM.
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 2:00 PM CDT | Severe Thunderstorm Warning | BMX | Jefferson | 20 min |
| Jul 28, 2:00 PM CDT | Severe Thunderstorm Warning | BMX | Bibb, Tuscaloosa | 60 min |
| Jul 28, 2:00 PM CDT | Severe Thunderstorm Warning | BMX | Shelby | 60 min |
| Jul 28, 5:25 PM CDT | Severe Thunderstorm Warning | BMX | Choctaw | 65 min |
| Jul 28, 6:59 PM CDT | Severe Thunderstorm Warning | BMX | Jackson, Madison | 61 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.