Alert archive / Alabama / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 27, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 18, 1987, 2:30 PM CDT for Montgomery County, Alabama. It was in force for 60 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
- Jun 18, 1987, 2:30 PM CDT (19:30 UTC)
- Expired
- Jun 18, 1987, 3:30 PM CDT
- In force
- 60 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 |
|---|---|---|---|
| Jun 18, 3:00 PM CDT | Thunderstorm Wind 0 | 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 12:00Z, 7.5 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
- 153 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 665 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 19 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 KMGM 181930
SVRMGM
ALC101-182030-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
230 PM CDT THU JUN 18 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 330 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH ALABAMA
...MONTGOMERY
AT 2 30 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES
SOUTHWEST OF MONTGOMERY MOVING TOWARD THE NORTHEAST AT 30 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 AFLOOD 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, Jun 18, 8:50 AM CDT, 5 hours 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 850 AM CDT THU JUN 18 1987 ...LARGE PATCHES OF LIGHT TO MODERATE RAIN MOVING INTO SOUTHEAST MISSISSIPPI... MOBILE RADAR AT 845 AM CDT SHOWED LARGE PATCHES OF LIGHT TO MODERATE RAIN WITH A FEW VERY HEAVY THUNDERSTORMS EMBEDDED. THE RAIN WAS MOVING EAST AT 15 MPH. THE HEAVIEST RAINFALL WAS OCCURING ON THE LEADING EDGE FROM JUST EAST OF HATTIESBURG TO THE COAST NEAR BILOXI THEN INTO THE GULF WATERS 50 MILES. PERSONS IN SOUTHEAST MISSISSIPPI MAY EXPERIENCE BRIEF FLOODING OF ROADWAYS DUE TO THE HEAVY RAINFALL...STRONG LIGHTNING STRIKES AND WIND GUST IN THE LOW 30 RANGE. ADDITIONAL STATEMENTS WILL BE ISSUED AS NEEDED.
Special weather statement, Jun 18, 10:15 AM CDT, 4 hours 15 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1015 AM CDT THU JUN 18 1987 ...VERY HEAVY THUNDERSTORMS MOVING INTO MOBILE COUNTY OF ALABAMA FROM THE WEST... MOBILE RADAR AT 1010 AM CDT SHOWED VERY HEAVY THUNDERSTORMS EMBEDDED IN AN AREA OF LIGHT TO MODERATRE RAIN MOVING INTO THE SOUTHWEST ALABAMA COUNTIES OF WASHINGTON AND MOBILE FROM SOUTHEAST MISSISSIPPI. THE HEAVIEST STORMS WERE FROM LEAKSVILLE MISSISSIPPI TO GRAND BAY ALABAMA. THE STORMS WERE MOVING NORTHEAST AT 15 MPH. PERSONS IN EXTREME SOUTHEAST MISSISSIPPI COUNTIES AND SOUTHWEST ALABAMA MAY EXPERIENCE BRIEF FLOODING OF ROADWAYS DUE TO THE HEAVY RAINFALL... STRONG LIGHTNING STRIKES AND WIND GUST IN THE LOW5 30 RANGE. ADDITIONAL STATEMENTS WILL BE ISSUED AS NEEDED.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 2:52 PM CDT | Severe Thunderstorm Warning | MOB | Autauga, Elmore | 53 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1987Every severe thunderstorm warning in 1987
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.