Alert archive / Alabama / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 87, NWS Mobile, AL

June 15, 1989Houston County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 15, 1989, 5:45 PM CDT for Houston County, Alabama. It was in force for 45 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 15, 1989, 5:45 PM CDT (22:45 UTC)
Expired
Jun 15, 1989, 6:30 PM CDT
In force
45 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 15, 6:10 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

Apalachicola Mun, FL (KAQQ), launched 12:00Z, 10.8 hours before the alert went out and 161 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, Apalachicola Mun, FL at 12:00Z on 1989-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1821 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, Apalachicola Mun, FL at 12:00Z on 1989-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.193958Sfc1 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
1821 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
707 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
77 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 152247
SVRMGM
ALC069-152330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
545 PM CDT THU JUN 15 1989
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH ALABAMA
          ...HOUSTON
 
AT 5 45PM CDT WEATHER RADAR AT MONTGOMERY SHOWED A SEVERE
THUNDERSTORM JUST WEST OF THE CITY OF DOTHAN MOVING TOWARD THE
NORTHEAST AT ABOUT 35 MPH. OTHER STRONG THUNDERSTORMS WERE ALONG THE
ALABAMA FLORIDA BORDER AND WILL PASS VERY NEAR DOTHAN WITHIN THE HOUR.
 
 
 
 
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 ROADS 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 15, 11:47 AM CDT, 5 hours 58 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
1135 AM CDT THU JUN 15 1989

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 12 NOON THIS THURSDAY
FOR ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...WASHINGTON...JACKSON
AND HOLMES COUNTIES OF NORTHWEST AND THE ADJACENT COASTAL WATERS.

AT 1130 AM CDT...A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN AND GUSTY
WINDS EXTENDED FROM NORTHWEST OF DOTHAN ALABAMA SOUTHEAST ACROSS
DEFUNIAK SPRINGS AND ACROSS FREEPORT INTO THE GULF 100 MILES SOUTH OF
DESTIN.
LARGE PATCHES OF RAIN MIXED WITH SCATTERED THUNDERSTORMS WERE OVER THE
FLORIDA PANHANDLE...SOUTH ALABAMA...SOUTHEAST MISSISSIPPI...AND THE
ADJOINING GULF TO 100 MILES.
THE THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR.
THE THUNDERSTORMS ARE CAPABLE OF PRODUCING  PERIODS OF VERY HEAVY
RAINS CAUSING SOME BRIEF FLOODING OF POOR DRAINAGE AREAS...GUSTY
WINDS AROUND 45 MILES AN HOUR...FREQUENT LIGHTNING...AND POSSIBLE
SMALL HAIL....AND FOR MARINE INTERESTS THE ADDITIONAL ROUGH SEAS.
PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE CONDITIONS.
Special weather statement, Jun 15, 12:42 PM CDT, 5 hours 3 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
1235 PM CDT THU JUN 15 1989

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 7 PM CDT FOR BAY COUNTY
AND THE ADJACENT COASTAL WATERS OF BAY COUNTY OF NORTHWEST FLORIDA...

AT 1230 PM CDT...THUNDERSTORMS WITH VERY HEAVY RAIN AND GUSTY WINDS
WERE FROM AROUND MARIANNA IN JACKSON COUNTY AND EXTENDED SOUTHWEST
ACROSS WASHINGTON AND BAY COUNTIES AND INTO THE GULF 75 MILES SOUTHWEST
OF PANAMA CITY.
THE THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR.

LARGE PATCHES OF RAIN MIXED WITH SCATTERED THUNDERSTORMS WERE OVER THE
FLORIDA PANHANDLE...SOUTH ALABAMA...SOUTHEAST MISSISSIPPI...AND THE
ADJOINING COASTAL WATERS.

THE THUNDERSTORMS ARE CAPABLE OF PRODUCING PERIODS OF VERY HEAVY
RAINS CAUSING SOME BRIEF FLOODING OF POOR DRAINAGE AREAS...GUSTY
WINDS AROUND 45 MILES AN HOUR...FREQUENT LIGHTNING...AND POSSIBLE
SMALL HAIL....AND FOR MARINE INTERESTS THEU ADDITIONAL ROUGH SEAS.

PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE CONDITIONS
WHEN THE THUNDERSTORMS ARE IN THE AREA.
Special weather statement, Jun 15, 2:47 PM CDT, 2 hours 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PENSACOLA FL
245 PM CDT THU JUN 15 1989

THE NATIONAL SEVERE STORMS CENTER IN KANSAS CITY HAS CANCELLED THE
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTHWEST FLORIDA. BAY
AND WASHINGTON COUNTIES WERE IN THAT PORTION OF FLORIDA THAT THE
WATCH WAS CANCELLED.

PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE CONDITIONS
WHEN THE THUNDERSTORMS ARE IN THE AREA.
Local storm report, Jun 15, 2:50 PM CDT, 2 hours 55 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PENSACOLA FL
250 PM CDT THU JUN 15 1989

ESCAMBIA COUNTY...900 AM FALLEN TREES AND LIMBS KNOCKED DOWN POWER LINES
AROUND NINE MILE ROAD IN NORTH PENSACOLA.  (FROM GULF POWER)
Special weather statement, Jun 15, 2:51 PM CDT, 2 hours 54 minutes before
SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE PENSACOLA FL
245 PM CDT THU JUN 15 1989

THE NATIONAL SEVERE STORMS CENTER IN KANSAS CITY HAS CANCELLED THE
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTHWEST FLORIDA. BAY
AND WASHINGTON COUNTIES WERE IN THAT PORTION OF FLORIDA THAT THE
WATCH WAS CANCELLED.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 4:36 AM CDTSevere Thunderstorm WarningMOBBaldwin39 min
Jun 15, 7:35 AM CDTSevere Thunderstorm WarningMOBBaldwin55 min
Jun 15, 11:05 AM CDTSevere Thunderstorm WarningMOBBarbour40 min
Jun 15, 6:35 PM CDTSevere Thunderstorm WarningMOBBaldwin55 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1989Every severe thunderstorm warning in 1989

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.