Alert archive / Alabama / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 55, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 30, 1987, 4:15 PM CDT for Baldwin County, Alabama. It was in force for 45 min.
The area
The counties it named.
The facts
- Issued
- Jul 30, 1987, 4:15 PM CDT (21:15 UTC)
- Expired
- Jul 30, 1987, 5:00 PM CDT
- In force
- 45 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.
The nearest sounding before it
Boothville, LA (KBVE), launched 12:00Z, 9.3 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
- 3609 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 606 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 44 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 302116
SVRMOB
ALC003-302200-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
415 PM CDT THU JUL 30 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 500 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHWEST ALABAMA
...BALDWIN
AT 414 PM CDT RADAR SHOWED A SEVERE THUNDERSTORM 7 MILES EAST OF
LOXLEY MOVING SOUTH AT 10 MPH.
DAMAGING WINDS AmND HAIL ARE POSSIBLE WITH THIS THUNDERSTORM.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
Local storm report, Jul 30, 3:37 PM CDT, 38 minutes before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 336 PM CDT THU JUL 30 1987 319 PM CDT...MOBILE POLICE DEPARTMENT REPORTED A TREE FELL INTO A POWER LINE ON ROCHESTER ROAD NEAR THE MUNICIPAL. PARK IN MOBILE.
Special weather statement, Jul 30, 3:47 PM CDT, 28 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 345 PM CDT THU JUL 30 1987 SCATTERED VERY STRONG THUNDERSTORMS WERE OVER THE FLORIDA PANHANDLE... SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI WITH THE HEAVIEST NEAR MOBILE...BETWEEN MILTON AND CRESTVIEW...OVER THE APALACHICOLA RIVER AREA AND OVER GEORGE AND HARRISON COUNTIES IN MISSISSIPPI. THESE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAIN...FREQUENT LIGHTNING.. JSTRONG GUSTY WINDS...AND POSSIBLE HAIL. PERSONS IN THESE AREAS SHOULD PREPARE TO TAKE SHELTER FROM THE POTENTIALLY DANGEROUS WEATHER. THE THUNDERSTORMS WERE MOVING SLOWLY SOUTHEAST AT 7 MILES AN HOUR.
Local storm report, Jul 30, 4:07 PM CDT, 8 minutes before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 403 PM CDT THU JUL 30 1987 320 PM CDT...THREE PINE TREES DOWNED BY HIGH WINDS AT BIT AND SPUR ROAD AND WESTFIELD IN MOBILE. ONE TREE FELL INTO A HOUSE...THE LARGEST TREE WAS ONE AND A HALF FEET IN DIAMETER. ALSO SEVERAL TREES WERE REPORTEDLY KNOCKED DOWN BY HIGH WINDS AT THE UNIVERSITY OF SOUTH ALABAMA IN THE SAME GENERAL VICINITY. SIGN DAMAGE ALSO REPORTED INCLUDING A 5 BY 9 FOOT APcARTMENT SIGN BLOWN INTO THE ROAD SOUTH OF AIRPORT BLVD NEAR GRELOT ROAD.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 3:07 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 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; the sounding from the Mesonet's radiosonde archive.