Alert archive / Alabama / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 47, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 20, 1986, 5:35 PM CDT for Baldwin County, Alabama. It was in force for 55 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
- Jul 20, 1986, 5:35 PM CDT (22:35 UTC)
- Expired
- Jul 20, 1986, 6:30 PM CDT
- In force
- 55 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Baldwin 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 |
|---|---|---|---|
| Jul 20, 6:10 PM CDT | Thunderstorm Wind 0 | Baldwin, 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
Boothville, LA (KBVE), launched 12:00Z, 10.6 hours before the alert went out and 217 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
- 3541 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 702 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 37 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 KMOB 202230
SVRMOB
ALC003-202330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE, AL
535 PM CDT SUN JUL 20 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
IN SOUTHWEST ALABAMA
..BALDWIN
AT 530 PM CDT, NATIONAL WEATHER SERVICE RADAR IN MOBILE SHOWED A
POSSIBLE SEVERE THUNDERSTORM JUST NORTH OF LOXLEY ALABAMA. THE STORM
SHOWED LITTLE MOVEMENT.
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.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 20, 1:09 PM CDT, 4 hours 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 110 PM CDT SUN JUL 20 1986 ...WIDELY SCATTERED STRONG THUNDERSTORMS EXPECTED FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI THIS AFTERNOON... THE MOBILE RADAR AT 100 PM SHOWED WIDELY SCATTERED THUNDERSTORMS DEVELOPING IN A RANDOM PATTERN OVER THE SOUTHERN SECTIONS OF ALABAMA AND MISSISSIPPI. THE THUNDERSTORMS WERE MOVING SOUTH 5 TO 10 MPH. THE THUNDERSTORMS WILL CONTINUE TO DEVELOP DURING THE NEXT FEW HOURS AND SOME WILL BECOME QUITE STRONG WITH DANGEROUS AND FREQUENT LIGHTNING ..STRONG GUSTY WINDS..INTENSE RAINFALL AND POSSIBLE HAIL. RESIDENTS OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA SHOULD WATCH FOR THESE THUNDERSTORMS AND MOVE INDOORS UNTIL THEY PASS. ADDITIONAL STATEMENTS OR POSSIBLE WARNINGS MAY BE ISSUED LATER. MEANWHILE..OUTSIDE THE SHOWERS..THE HEAT GOES ON...
Special weather statement, Jul 20, 4:40 PM CDT, 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE, AL. 440 PM CDT SUN JUL 20 1986 ...VERY HEAVY THUNDERSTORMS REMAIN SCATTERED OVER SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA... MOBILE RADAR AT 435 PM CDT SHOWED SCATTERED VERY HEAVY THUNDERSTORMS OVER SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA. THE HEAVIER STORMS WERE FROM NORTH JACKSON COUNTY OF SOUTHEAST MISSISSIPPI TO THE CENTRAL PART OF BALDWIN COUNTY ALABAMA WITH OTHER VERY HEAVY THUNDERSTORMS IN THE SOUTHERN PART OF ESCAMBIA COUNTY OF ALABAMA. THE STORMS SHOWED LITTLE MOVEMENT. PERSONS IN THE AFFECTED AREAS MAY EXPERIENCE BRIEF PERIODS OF VERY HEAVY RAINFALL, STRONG GUSTY WINDS, AND DANGEROUS LIGHTNING STRIKES FOR THE NEXT COUPLE HOURS AS THE STORMS MOVES THROUGH THE AREA. ALSO..WITH THE VERY HEAVY RAINFALL..BRIEF FLOODING OF STREETS COULD OCCUR. MOTORISTS ARE URGED TO USE CAUTION WHILE DRIVING IN THE HEAVIER STORMS. < LISTEN TO NOAA WEATHER RADIO, COMMERICAL RADIO OR TV FOR LATER STATEMENTS ON THIS WEATHER PROBLEM AS IT MOVES ACROSS SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA UNTIL EARLY EVENING.
Special weather statement, Jul 20, 4:45 PM CDT, 50 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 435 PM CDT SUN JUL 20 1986 AT 430 PM CDT...THUNDERSTORMS..SOME VERY HEAVY..WERE SCATTERED OVER THE FLORIDA PANHANDLE..SOUTH ALABAMA..SOUTHEAST MISSISSIPPI..AND SOUTHEAST LOUISIANA. IN THE FLORIDA PANHANDLE THE STRONGER THUNDERSTORMS WERE OVER ESCAMBIA COUNTY NEAR MOLINO..OVER SANTA ROSA COUNTY NEAR MILTON AND MUNSON..AND NEAR VERNON IN WASHINGTON COUNTY. THE THUNDERSTORMS WERE REMAINING NEAR STATIONARY. THE HEAVIER THUNDERSTORMS WILL PRODUCE PERIODS OF HEAVY RAIN..FREQUENT LIGHTNING STRIKES..AND GUSTY WIND AROUND 40 MILES AN HOUR..POSSIBLE SMALL HAIL..AND SOME FLOODING OF STREETS AND OTHER POOR DRAINAGE AREAS. PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE CONDITIONS AND EXERCISE THUNDERSTORM AND LIGHTNING SAFETY PRECAUTIONS.
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.