Alert archive / Alabama / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 88, NWS Mobile, AL

June 15, 1989Baldwin County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 15, 1989, 6:35 PM CDT for Baldwin County, Alabama. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Jun 15, 1989, 6:35 PM CDT (23:35 UTC)
Expired
Jun 15, 1989, 7:30 PM 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.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.6 hours before the alert went out and 192 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, Slidell Radar S, LA at 12:00Z on 1989-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1427 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, Slidell Radar S, LA at 12:00Z on 1989-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 square meters per square second.19395878Sfc1 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
1427 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
588 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.3

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 12:42 PM CDT, 5 hours 53 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, 3 hours 48 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, 3 hours 45 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, 3 hours 44 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, 5:45 PM CDTSevere Thunderstorm WarningMOBHouston45 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; the sounding from the Mesonet's radiosonde archive.