Alert archive / Alabama / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 95, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Nov 20, 1986, 11:25 AM CST for Baldwin County, Mobile County, Alabama. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Nov 20, 1986, 11:25 AM CST (17:25 UTC)
- Expired
- Nov 20, 1986, 12:30 PM CST
- In force
- 65 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Baldwin County, AL, Mobile 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
Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 5.4 hours before the alert went out and 143 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
- 491 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 668 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 201727 SVRMOB ALC097-003-201830- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE MOBILE AL 1125 AM CST THU NOV 20 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING UNTIL 1230 PM CST FOR PEOPLE IN THE FOLLOWING COUNTIES IN SOUTHWEST ALABAMA: BALDWIN AND SOUTHERN MOBILE...INCLUDING MOBILE BAY AND ALL ADJACENT COASTAL WATERS AT 1125 AM CST THE MOBILE RADAR SHOWED A LINE OF STRONG THUNDERSTORMS EXTENDING FROM NEAR STOCKTON ALABAMA TO THE MOBILE AREA. DAMAGING WINDS, VERY HEAVY RAIN, AND FREQUENT LIGHTNING SHOULD BE EXPECTED WITH THIS LINE OF THUNDERSTORMS. THE LINE IS MOVING TO THE SOUTHEAST AT 25 MPH. o
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 20, 7:50 AM CST, 3 hours 35 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 735 AM CST THU NOV 20 1986 AT 730 AM CST...HEAVY THUNDERSTORMS WERE SCATTERED IN A LINE THAT STRETCHED FROM NEAR CRESTVIEW FLORIDA TO PENSACOLA THEN ON SOUTHWEST INTO THE GULF. THUNDERSTORMS WERE HEAVIEST AND MOST NUMEROUS IN SOUTHERN ESCAMBIA COUNTY OF FLORIDA...JUST WEST OF PENSACOLA...AND IN THE SOUTHEAST CORNER OF BALDWIN COUNTY OF ALABAMA. THE THUNDERSTORMS WERE MOVING NORTHEAST ABOUT 35 MILES AN HOUR. VERY HEAVY RAIN CAN BE EXPECTED FROM THE THUNDERSTORMS AS THEY PASS THROUGH OR NEAR THE PENSACOLA AREA. MOTORISTS ARE URGED TO SLOW DOWN AND DRIVE WITH THEIR HEADLIGHTS ON. FLOODING OF STREETS AND LOW PLACES IN URBAN AREAS IS ALSO LIKELY.
Special weather statement, Nov 20, 9:18 AM CST, 2 hours 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL. 915 AM CST THU NOV 20 1986 ...A NEARLY SOLID LINE OF THUNDERSTORMS IS MOVING ACROSS SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA... AT 910 AM CST MOBILE RADAR SHOWED A NEARLY SOLID LINE OF THUNDERSTORMS EXTENDING FROM MONTGOMERY TO JACKSON ALABAMA AND ON SOUTHWESTWARD THROUGH LUMBERTON MISSISSIPPI. SOME OF THESE THUNDERSTORMS ARE PRODUCING VERY HEAVY RAINFALL AND STRONG GUSTY WINDS. THE HEAVIEST STORMS ARE LOCATED 10 MILES WEST OF JACKSON ALABAMA...NEAR WHATLEY...AND NEAR LUMBERTON. THIS LINE OF THUNDERSTORMS IS MOVING SOUTHEAST AT 25 MPH AND WILL MOVE THROUGH ALL OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA DURING TMHE NEXT FEW HOURS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 AM CST FOR CLARKE COUNTY IN SOUTHWEST ALABAMA AND LAMAR COUNTY IN SOUTHEAST MISSISSIPPI. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER BULLETINS.
Special weather statement, Nov 20, 9:19 AM CST, 2 hours 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 915 AM CST THU NOV 20 1986 ...A NEARLY SOLID LINE OF THUNDERSTORMS IS MOVING ACROSS SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA... AT 910 AM CST MOBILE RADAR SHOWED A NEARLY SOLID LINE OF THUNDERSTORMS EXTENDING FROM MONTGOMERY TO JACKSON ALABAMA AND ON SOUTHWESTWARD THROUGH LUMBERTON MISSISSIPPI. SOME OF THESE THUNDERSTORMS ARE PRODUCING VERY HEAVY RAINFALL AND STRONG GUSTY WINDS. THE HEAVIEST STORMS ARE LOCATED 10 MILES WEST OF JACKSON ALABAMA...NEAR WHATLEY...AND NEAR LUMBERTON. THIS LINE OF THUNDERSTORMS IS MOVING SOUTHEAST AT 25 MPH AND WILL MOVE THROUGH ALL OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA DURING THOE NEXT FEW HOURS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 AM CST FOR CLARKE COUNTY IN SOUTHWEST ALABAMA AND LAMAR COUNTY IN SOUTHEAST MISSISSIPPI. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER BULLETINS.
Local storm report, Nov 20, 10:43 AM CST, 42 minutes before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 1035 AM CST THU NOV 20 1986 BETWEEN 905 AND 910 AM CST TREES AND POWER LINES WERE DOWNED IN THE FULTON...DICKINSON...AND SCYRENE...AREAS+ OF NORTHEAST CLARKE COUNTY ALABAMA. RECEIVED AN UNCONFIRMED REPORT OF A TRAILER OVERTURNED IN THAT AREA AS WELL.
Special weather statement, Nov 20, 10:47 AM CST, 38 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 935 AM CST THU NOV 20 1986 AT 930 AM CST...A SOLID LINE OF VERY HEAVY THUNDERSTORMS STRETCHED FROM SOUTHEAST OF MONTGOMERY ALABAMA TO MOBILE AND THE COASTAL SECTIONS OF MISSISSIPPI. THE LEADING EDGE OF THE LINE WAS ABOUT TO ENTER THE NORTHERNMOST SECTIONS OF ESCAMBIA COUNTY FLORIDA. THE THUNDERSTORMS WILL PRODUCE STRONG GUSTY WINDS, VERY HEAVY DOWNPOURS OF RAIN, AND FREQUENT LIGHTNING STRIKES AS THEY PASS EASTWARD THROUGH THE NORTHERN PORTIONS OF THE WESTERNMOST COUNTIES OF THE FLORIDA PANHANDLE. SCATTERED SHOWERS AND WIDELY SCATTERED THUNDERSTORMS WERE OVER EXTREME SOUTHEAST ALABAMA, THE WESTERN FLORIDA PANHANDLE WEST OF THE APALACHICOLA RIVER, AND THE COASTAL MARINE AREA JUST OFFSHORE FROM PENSACOLA TO WEST PANAMA CITY BEACHES. WIDESPREAD LIGHT RAIN TRAILED THE SOLID LINE OF THUNDERSTORMS IN ALABAMA AND EXTENDED NORTHWARD OF THE LINE FOR 50 MILES.8 MOVEMENT OF ALL ACTIVITY IS TO THE EAST AT NEAR 40 MPH WHILE THE LINE OF STORMS HAS A SLIGHT TENDENCY TO DRIFT A LITTLE TO THE SOUTHEAST.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 20, 10:20 AM CST | Severe Thunderstorm Warning | MOB | Mobile | 60 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.