Alert archive / Alabama / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 103, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Nov 26, 1986, 12:48 AM CST for Covington County, Alabama. It was in force for 57 min. 2 reports 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, 12:48 AM CST (06:48 UTC)
- Expired
- Nov 26, 1986, 1:45 AM CST
- In force
- 57 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Covington 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 | Thunderstorm Wind 0 | Covington, AL | |
| Nov 26, 1:30 AM CST | Thunderstorm Wind 0 | Covington, 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, 6.8 hours before the alert went out and 197 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
TTAA00 KMGM 260653 COR
SVRMGM
ALC039-260745-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
1248 AM CST WED NOV 26 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 145 AM CST FOR PEOPLE IN THE FOLLOWING COUNTIES:
IN SOUTH ALABAMA
..COVINGTON
AT 12 50AM CST RADAR INDICATED A SEVERE THUNDERSTORM NEAR ANDALUSIA
ALABAMA MOVING TOWARD THE NORTHEAST AT 35 MPH.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH, LARGE HAIL, AND
DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER,
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOW6S.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, 7:37 PM CST, 5 hours 11 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, 4 hours 5 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, 1 hour 13 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.
Special weather statement, Nov 26, 12:45 AM CST, 3 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 1235 AM CST WED NOV 26 1986 ...A TORNADO WATCH IS IN EFFECT FOR MOST OF THE FLORIDA PANHANDLE EXCEPT ESCAMBIA COUNTY UNTIL 6 AM CST THIS MORNING... AT 1230 AM CST...CLUSTERS OF VERY HEAVY THUNDERSTORMS STRETCHED FROM CENTRAL ALABAMA SOUTHWARD THROUGH BREWTON AND THE PENSACOLA AREA INTO THE GULF FOR MORE THAN 50 MILES. THE BAND OF STORMS WAS MOVING EASTWARD AROUND 20 MPH. FREQUENT LIGHTNING...STRONG GUSTY WIND...AND BRIEF PERIODS OF HEAVY RAIN CAN BE EXPECTED WITH THESE THUNDERSTORMS. ELSEWHERE...SCATTERED PATCHES OF RAIN AND SHOWERS WERE OVER SOUTH ALABAMA...THE PANHANDLE OF FLORIDA WEST OF DE FUNIAK SPR&INGS AND DESTIN AND THE GULF UP TO 200 MILES SOUTH OF THE COAST BETWEEN DAUPHIN ISLAND AND PANAMA CITY. 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, 12:31 AM CST | Severe Thunderstorm Warning | MOB | Montgomery | 59 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.