Alert archive / Alabama / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 50, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 28, 1987, 4:25 PM CDT for Escambia County, Alabama. It was in force for 50 min.
The area
The counties it named.
The facts
- Issued
- Jul 28, 1987, 4:25 PM CDT (21:25 UTC)
- Expired
- Jul 28, 1987, 5:15 PM CDT
- In force
- 50 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Escambia 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, 9.4 hours before the alert went out and 96 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
- 3203 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 772 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 51 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 282119
SVRMOB
ALC053-282215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
425 PM CDT TUE JUL 28 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH ALABAMA
...WESTERN ESCAMBIA
AT 415 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES WEST OF
BREWTON. IT WAS MOVING TO THE WEST AT 15 MILES AN HOUR TOWARD ATMORE.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.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 28, 3:31 PM CDT, 54 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 335 PM CDT TUE JUL 28 1987 ...VERY STRONG THUNDERSTORMS OVER SOUTH ALABAMA WERE MOVING TOWARD NORTHWEST FLORIDA... AT 330 PM CDT...SCATTERED THUNDERSTORMS...SEVERAL VERY STRONG...OVER SOUTHEAST MISSISSIPPI...SOUTH ALABAMA AND NORTHWEST FLORIDA...WERE INCREASING IN INTENSITY. STRONGEST WERE OVER BALDWIN...GENEVA...AND HOUSTON COUNTIES OF ALABAMA. THEY WERE MOVING] TOWARD THE SOUTH ABOUT 10 MILES AN HOUR. FREQUENT LIGHTNING...STRONG GUSTY WINDS...BRIEF PERIODS OF HEAVY RAIN AND POSSIBLE HAIL IS LIKELY WITH THE PASSAGE OF THESE THUNDERSTORMS.
Local storm report, Jul 28, 3:43 PM CDT, 42 minutes before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 337 PM CDT TUE JUL 28 1987 335 PM CDT...HAIL UP TO NICKEL SIZE REPORTED IN STAPLETON ALABAMA JUST SOUTH OF BAY MINETTE. 336 PM CDT...WiINDS ESTIMATED AT AROUND 50 MPH BY STATE TROOPER EAST OF ROBERTSDALE...CENTRAL BALDWIN COUNTY...REPORTEDLY HAD TROUBLE STAYING ON THE ROAD.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 2:35 PM CDT | Severe Thunderstorm Warning | MOB | Dale | 55 min |
| Jul 28, 2:43 PM CDT | Severe Thunderstorm Warning | MOB | Houston | 62 min |
| Jul 28, 3:00 PM CDT | Severe Thunderstorm Warning | MOB | Geneva | 60 min |
| Jul 28, 3:00 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 60 min |
| Jul 28, 4:35 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 55 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.