Alert archive / Alabama / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 40, NWS Mobile, AL

July 26, 1987Baldwin County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 26, 1987, 1:20 AM CDT for Baldwin County, Alabama. It was in force for 55 min. 2 reports 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 26, 1987, 1:20 AM CDT (06:20 UTC)
Expired
Jul 26, 1987, 2:15 AM 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

TimeReportWhereRemark
Jul 26, 1:35 AM CDTHail 1Baldwin, AL
Jul 26, 2:00 AM CDTThunderstorm Wind 0Baldwin, 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 00:00Z, 6.3 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.

Skew-T log-pSkew-T log-p diagram, Boothville, LA at 00:00Z on 1987-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Boothville, LA at 00:00Z on 1987-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMOB 260620
SVRMOB
ALC003-260715-

BULLETIN..IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
120 AM CDT SUN JUL 26 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 215 AM CDT FOR THE FOLLOWING COUNTY IN ALABAMA...

...BALDWIN

AT 115 AM WEATHER SERVICE RADARS INDICATED A CLUSTER OF SEVERE
THUNDERSTORMS CENTERED OVER BAY MINETTE IN BALDWIN COUNTY ALABAMA.
THEY WERE MOVING TOWARD THE SOUTH-SOUTHWEST AT 20 MPH.
LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH THESE THUNDERSTORMS..

PERSONS IN AND AROUND THE CITIES OF BAY MINETTE...STAPELTON...LOXLEY...
FAIRHOPE...SPANISH FORT AND DAPHNE SHOULD PREPARE FOR THESE SEVEREi
THUNDERSTORMS.   MARINE INTERESTS IN MOBILE BAY SHOULD BE ALERT AS A
MARINE WARNING WILL LIKELY BE ISSUED DURING THE NEXT HOUR.

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 25, 11:07 PM CDTSevere Thunderstorm WarningMOBMonroe53 min
Jul 26, 2:15 AM CDTSevere Thunderstorm WarningMOBMobile60 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.