Alert archive / Alabama / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 19, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 29, 1987, 4:00 PM CST for Mobile 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
- Mar 29, 1987, 4:00 PM CST (22:00 UTC)
- Expired
- Mar 29, 1987, 5:00 PM CST
- In force
- 60 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Mobile 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 |
|---|---|---|---|
| Mar 29, 4:10 PM CST | Thunderstorm Wind 0 | Mobile, 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, 10.0 hours before the alert went out and 190 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
- 910 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 531 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 66 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 292200
SVRMOB
ALC097-292300-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MOBILE AL
400 PM CST SUN MAR 29 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 500 PM CST FOR PEOPLE
IN THE FOLLOWING COUNTY...
IN SOUTHWEST ALABAMA
...MOBILE
AND ADJOINING COASTAL WATERS OF ALABAMA.
AT 359 PM RADAR SHOWED A SEVERE THUNADERSTORM JUST SOUTHWEST OF THE MOBILE
AIRPORT...MOVING TO THE NORTHEAST AT 40 MPH. LARGE HAIL AND DAMAGING
WINDS SHOULD BE EXPECTED WITH THIS STORM.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, Mar 29, 2:41 PM CST, 1 hour 19 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 245 PM CST SUN MAR 29 1987 ...TORNADO WATCH IN EFFECT FOR ALL SOUTHEAST MISSISSIPPI AND ALL SOUTHWEST ALABAMA COUNTIES EXCEPT ESCAMBIA AND CONECUH UNTIL 600 PM... ...SEVERE THUNDERSTORM WARNING IN EFFECT FOR JACKSON COUNTY MISSISSIPPI UNTIL 300 PM CST... AT 240 PM CST MOBILE RADAR SHOWED A CLUSTER OF VERY HEAVY THUNDERSTORMS MOVING THROUGH MOBILE COUNTY ALABAMA AND JACKSON COUNTY MISSISSIPPI. THE THUNDERSTORMS ARE MOVING TO THE NORTHEAST AT 40 MPH. OTHER SHOWERS AND THUNDERSHOWERS COVERED MOST OF SOUTHEAST MISSISSIPPI. THESE SHOWERS ARE MOVING TO THE NORTHEAST AT 40 MPH. RESIDENTS OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA CAN EXPECT BRIEF PERIODS OF HEAVY RAINFALL...STRONG GUSTY WINDS...FREQUENT LIGHTNING AND POSSIBLE SMALL HAIL WITH THE STRONGER STORMS.
Local storm report, Mar 29, 3:36 PM CST, 24 minutes before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 333 PM CST SUN MAR 29 1987 255 PM CST TORNADO REPORTED NEAR HWY 53 ABOUT 10 MILES NORTH NORTHWEST OF GULFPORT MS...TREES DOWN AND ROOF BLOWN OFF A BARN. 300 PM CST TORNADO REPORTED IN DOWNTOWN GULFPORT...WINDOWS BLOWN OUT OF A BUS STATION AND ADJACENT BUILDINGS. 306 PM CST FUNNEL CLOUD TOOK TOPS OFF OF TREES IN THE CHIPWOOD SUBDIVISION...ABOUT 6 MILES NORTH NORTHEAST OF GULFPORT. NO INJURIES REPORTED WITH ANY OF THE ABOVE.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 2:43 PM CST | Severe Thunderstorm Warning | MOB | Mobile | 57 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.