Alert archive / Alabama / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 102, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Nov 26, 1986, 12:31 AM CST for Montgomery County, Alabama. It was in force for 59 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Nov 26, 1986, 12:31 AM CST (06:31 UTC)
- Expired
- Nov 26, 1986, 1:30 AM CST
- In force
- 59 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Montgomery County, AL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 26, 1:00 AM CST | Tornado F1 | Montgomery, AL |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Centreville/Bibb, AL (KCKL), launched 00:00Z, 6.5 hours before the alert went out and 120 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
- 1199 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 545 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 187 m²/s²
- 0-3 km storm-relative helicity
- 277 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAAOO KMGM 260631
SVRMGM
ALC101-260730-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
1231 AM CST WED NOV 26 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 130 AM CST FOR PEOPLE IN THE FOLLOWING COUNTIES:
IN SOUTH ALABAMA
..MONTGOMERY
AT 12 30 AM CST RADAR INDICATED A SEVERE THUNDERSTORM OVER RAMER
ALABAMA MOVING TOWARD THE NORTHEAST AT 40 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, Nov 25, 6:35 PM CST, 5 hours 56 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 640 PM CST TUE NOV 25 1986 A TORNADO WATCH IS IN EFFECT UNTIL 8 PM CST FOR ALL OF NORTHWEST FLORIDA. AT 630 PM CST...SCATTERED HEAVY THUNDERSTORMS AND WIDESPREAD LIGHT RAIN WERE OVER ALL OF SOUTHWEST ALABAMA...PART OF SOUTHEAST MISSISSIPPI... THE EXTREME WESTERN END OF THE FLORIDA PANHANDLE...AND INTO THE GULF TO MORE THAN 225 MILES SOUTH OF THE ALABAMA COASTLINnE. MOVEMENT WAS TO THE NORTHEAST AT NEAR 40 MPH.
Special weather statement, Nov 25, 7:37 PM CST, 4 hours 54 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 740 PM CST TUE NOV 25 1986 A TORNADO WATCH IS IN EFFECT UNTIL 8 PM CST FOR ALL OF NORTHWEST FLORIDA. AT 730 PM CST...SCATTERED HEAVY THUNDERSTORMS AND WIDESPREAD LIGHT RAIN WERE OVER ALL OF SOUTHWEST ALABAMA...PART OF SOUTHEAST MISSISSIPPI... THE EXTREME WESTERN END OF THE FLORIDA PANHANDLE...AND INTO THE GULF TO MORE THAN 225 MILES SOUTH OF PENSACOLA. MOVEMENT WAS TO THE NORTHEAST AT NEAR 40 MPH.
Special weather statement, Nov 25, 8:43 PM CST, 3 hours 48 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 840 PM CST TUE NOV 25 1986 THE TORNADO WATCH IS NO LONGER IN EFFECT FOR NORTHWEST FLORIDA...IT HAS BEEN CANCELLED. AT 830 PM CST...SCATTERED HEAVY THUNDERSTORMS AND WIDESPREAD LIGHT RAIN WERE OVER ALL OF SOUTH ALABAMA...PART OF SOUTHEAST MISSISSIPPI... THE WESTERN END OF THE FLORIDA PANHANDLE...AND INTO THE GULF TO MORE THAN 225 MILES SOUTH OF PENSACOLA. MOVEMENT WAS TO THE NORTHEAST AT NEAR 40 MPH.
Special weather statement, Nov 25, 11:35 PM CST, 56 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 1140 PM CST TUE NOV 25 1986 AT 1130 PM CST...A LINE-LIKE BAND OF HEAVY THUNDERSTORMS STRETCHED FROM CENTRAL ALABAMA SOUTHWARD TO PENSACOLA AND INTO THE GULF FOR 50 MILES. THE BAND OF STORMS WAS MOVING EASTWARD THROUGH THE WESTERN FLORIDA PANHANDLE AT NEAR 20 MPH. FREQUENT LIGHTNING...STRONG GUSTY WINDS...AND BRIEFLY HEAVY DOWNPOURS OF RAIN ACCOMPANY THIS SYSTEM. SCATTERED PATCHES OF LIGHT RAIN SURROUNDED THE BAND OF THUNDERSTORMS AND STRETCHED FROM MONTGOMERY ALABAMA SOUTHWARD ACROSS THE EXTREME WESTERN END OF THE FLORIDA PANHANDLE AND INTO THE GULF...WHERE COVERAGE WAS HIGHER...TO 200 MILES SOUTH OF PENSACOLA. INDIVIDUAL MOVEMENT OF THE THUNDERSTORMS AND LIGHT RAIN WAS TO THE NORTHEAST AT 40 MILES AN HOUR.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 25, 10:05 PM CST | Severe Thunderstorm Warning | MOB | Barbour, Dale | 60 min |
| Nov 25, 11:15 PM CST | Severe Thunderstorm Warning | MOB | Barbour | 60 min |
| Nov 26, 12:24 AM CST | Severe Thunderstorm Warning | MOB | Elmore | 66 min |
| Nov 26, 12:48 AM CST | Severe Thunderstorm Warning | MOB | Covington | 57 min |
| Nov 26, 1:02 AM CST | Severe Thunderstorm Warning | MOB | Pike | 58 min |
| Nov 26, 1:40 AM CST | Severe Thunderstorm Warning | MOB | Coffee | 65 min |
| Nov 26, 2:08 AM CST | Severe Thunderstorm Warning | MOB | Dale | 67 min |
| Nov 26, 2:20 AM CST | Tornado Warning | MOB | Dale | 55 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.