Alert archive / Alabama / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 30, NWS Mobile, AL

June 26, 1987Houston County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 26, 1987, 6:17 PM CDT for Houston County, Alabama. It was in force for 58 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 26, 1987, 6:17 PM CDT (23:17 UTC)
Expired
Jun 26, 1987, 7:15 PM CDT
In force
58 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Houston 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
Jun 26, 6:45 PM CDTThunderstorm Wind 0Houston, 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

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 11.3 hours before the alert went out and 137 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, Eglin AFB/Valpar, FL at 12:00Z on 1987-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 186 joules per kilogram.LCLLFCEL10008507005003002001001 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, Eglin AFB/Valpar, FL at 12:00Z on 1987-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
186 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
733 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
-32 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 KMGM 262317
SVRMGM
ALC069-270015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
617 PM CDT FRI JUN 26 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL  715 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH ALABAMA
          ...HOUSTON
 
AT 615PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES WEST OF
DOTHAN MOVING TOWARD THE SOUTHEAST AT 15 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 FLOOD RO[ADS 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 26, 2:42 PM CDT, 3 hours 35 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
235 PM CDT WED JUN 24 1987

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8 PM CDT FOR ALL OF THE
FLORIDA PANHANDLE COUNTIES AND ADJACENT COASTAL WATERS.

AT 230 PM CDT...THUNDERSTORMS...SOME STRONG...WERE SCATTERED OVER
COASTAL MISSISSIPPI...SOUTHWEST AND SOUTH-CENTRAL ALABAMA. THESE STORMS
WERE INCREASING IN COVERAGE AND STRENGTH. PERSONS IN THE WEST FLORIDA
PANHANDLE AND ADJACENT COASTAL WATERS WILL EXPERIENCE THIS ACTIVITY
DURING THE NEXT 1 TO 2 HOURS MOVEMENT WAS TO THE EAST AROUND 20 MPH.

ELSEWHERE SCATTERED SHOWERS AND A FEW THUNDERSHOWERS WERE OVER THE
APALACHICOLA RIVER DELTA...EXTENDING SOUT:HWEST OVWER THE GILF FOR
90 MILES.
Special weather statement, Jun 26, 2:44 PM CDT, 3 hours 33 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...DATE CORRECTED
NATIONAL WEATHER SERVICE PENSACOLA FL
235 PM CDT FRI JUN 26 1987

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8 PM CDT FOR ALL OF THE
FLORIDA PANHANDLE COUNTIES AND ADJACENT COASTAL WATERS.

AT 230 PM CDT...THUNDERSTORMS...SOME STRONG...WERE SCATTERED OVER
COASTAL MISSISSIPPI...SOUTHWEST AND SOUTH-CENTRAL ALABAMA. THESE STORMS
WERE INCREASING IN COVERAGE AND STRENGTH. PERSONS IN THE WEST FLORIDA
PANHANDLE AND ADJACENT COASTAL WATERS WILL EXPERIENCE THIS ACTIVITY
DURING THE NEXT 1 TO 2 HOURS MOVEMENT WAS TO THE EAST AROUND 20 MPH.

ELSEWHERE SCATTERED SHOWERS AND A FEW THUNDERSHOWERS WERE OVER THE
APALACHICOLA RIVER D<ELTA...EXTENDING SOUTHWEST OVWER THE GILF FOR
90 MILES.
Special weather statement, Jun 26, 3:40 PM CDT, 2 hours 37 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
335 PM CDT FRI JUN 26 1987

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8 PM CDT FOR ALL OF THE
FLORIDA PANHANDLE COUNTIES AND ADJACENT COASTAL WATERS.

A TORNADO WAS REPORTED IN SOUTHERN MOBILE COUNTY DURING THE PAST HOUR.

AT 330 PM CDT...THUNDERSTORMS...SOME STRONG...WERE SCATTERED OVER
COASTAL MISSISSIPPI...SOUTHWEST AND SOUTH-CENTRAL ALABAMA...EXTREME
NORTHWEST FLORIDA. A FEW SHOWERS WERE OVER THE EASTERN FLORIDA PAN-
HANDLE AND ADJACENT COASTAL WATERS.

MOVEMENT WAS TO THE EAST AROUND 15 MPH.
Local storm report, Jun 26, 4:29 PM CDT, 1 hour 48 minutes before
ATTN SELS
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
427 PM CDT FRI JUN 26 1987

315 PM CDT...AN EIGHT INCH DIAMETER TREE WAS BLOWN ACROSS A DRIVEWAY
NEAR THE FOWL RIVER COMMUNITY...5 MILES SOUTHEAST OF IRVINGTON.
ANOTHER REPORT AT ABOUT THE SAME TIME ESTIMATED WINDS TO BE AS HIGH AS
50 MPH.
Special weather statement, Jun 26, 5:58 PM CDT, 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
600 PM CDT FRI JUN 26 1987

...SEVERE THUNDERSTORM WATCH CANCELLED FOR BALDWIN...MONROE...CONECUH
...AND ESCAMBIA COUNTIES OF SOUTHWEST ALABAMA...

AS OF 555 PM CDT SCTTERED THUNDERSTORMS CONTINUED ACROSS THE SOUTHWEST
ALABAMA AND SOUTHEAST MISSISSIPPI.  THE HEAVIEST THUNDERSTORM WAS 10
MILES NORTH OF ATMORE ALABAMA MOVING TO THE SOUTHEAST AT 15 MPH.

WHILE SOME OF THE STORMS MDAY PRODUCE GUSTY WINDS AND HEAVY RAINFALL
THE THREAT OF SEVERE WEATHER IN SOUTHWEST ALABAMA HAS LESSENED AND
THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR BALDWIN...MONROE...
CONECUH...AND ESCAMBIA COUNTIES OF ALABAMA.
Local storm report, Jun 26, 5:59 PM CDT, 18 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PENSACOLA FL
550 PM CDT FRI JUN 26 1987

425 PM CDT...RADIO STATION REPORTED THAT LISTENER CALLED IN A FUNNEL
            CLOUD...SIGHTED 10 MILES NORTHWEST OF PEENSACOLA.

450 PM CDT...PARK SERVICE REPORTED A FUNNEL CLOUD OVER FORT PICKENS
            NATIONAL SEASHORE...JUST SOUTH OF PENSACOLA.

455 PM CDT...PEAK WIND GUST TO 47 MPH AT PENSACOLA NAVAL AIR STATION.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 12:26 PM CDTSevere Thunderstorm WarningMOBElmore, Montgomery64 min
Jun 26, 3:14 PM CDTTornado WarningMOBMobile46 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.