Alert archive / Alabama / Flash Flood Warnings in 1992

Flash Flood Warning 12, NWS Mobile, AL

December 16, 1992Baldwin County, Alabama

NWS Mobile, AL issued this flash flood warning at Dec 16, 1992, 9:27 PM CST for Baldwin County, Alabama. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Dec 16, 1992, 9:27 PM CST (03:27 UTC)
Expired
Dec 17, 1992, 12:30 AM CST
In force
3 hr
Issued by
NWS Mobile, AL
Area
Whole counties

County Baldwin County, AL

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 3.5 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 00:00Z on 1992-12-17Temperature 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, Slidell Radar S, LA at 00:00Z on 1992-12-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 198 square meters per square second.1939587897Sfc1 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
527 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
198 m²/s²
0-3 km storm-relative helicity
290 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 170329
FFWMOB
ALC003-170630-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
927 PM CST WED DEC 16 1992
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1230 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST ALABAMA
 
   ...SOUTHERN BALDWIN COUNTY
 
THE FLOOD WARNING IS IN EFFECT SOUTH OF INTERSTATE HIGHWAY 10
 
AT 920 PM THE MOBILE RADAR INDICATED AN AREA OF THUNDERSTORMS COVERING
THE SOUTHERN HALF OF BALDWIN COUNTY. THE AREA SHOWED LITTLE MOVEMENT
WITH THE INDIVIDUAL STORMS MOVING TO THE NORTHEAST AT 40 MPH.
 
AT 920 PM ROBERTSDALE PD REPORTED COUNTY ROAD 55 WEST OF ROBERTSDALE HAS
ABOUT 3 FEET OF WATER ON IT AND IS IMPASSABLE.  ALSO...COUNTY ROAD 104
ALSO WEST OF ROBERSTDALE WAS ALSO UNDER WATER AND THE WATER WAS RISING.
VERY HEAVY RAIN WAS OCCURRING IN ROBERTSDALE AT THE TIME OF THE REPORT.
 
THE THUNDERSTORM AREA EXTENDED INTO THE GULF BEYOND 50 MILES AND A
CLUSTER OF STRONG STORMS WAS LOCATED SOUTH OF THE FORT MORGAN PENINSULA
AND WILL MOVE ONSHORE DURING THE NEXT HOUR.  THESE STORMS WILL PRODUCE
ADDITIONAL HEAVY RAINFALL OF 1 TO 2 INCHES ALONG WITH GUSTY WINDS AND
DANGEROUS LIGHTNING.
 
MOTORISTS SHOULD BE ESPECIALLY CAREFUL DRIVING ON COUNTY ROADS IN THE
DARK. DO NOT CROSS AN AREA OF SWIFTLY FLOWING WATER AND BE ALERT FOR
WASHOUTS AT BRIDGE APPROACHES.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
 
 
&

What forecasters said that day

The local office's own words before this flash flood 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, Dec 16, 4:17 PM CST, 5 hours 10 minutes before
ALZ016-MSZ013-170015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
416 PM CST WED DEC 16 1992

...HEAVY RAINFALL LIKELY FOR JACKSON COUNTY MISSISSIPPI AND MOBILE
COUNTY ALABAMA FOR THE NEXT SEVERAL HOURS...

...A SPECIAL MARINE WARNING IS IN EFFECT FOR THE MISSISSIPPI COASTAL
WATERS UNTIL 600 PM...

AT 410 PM THE MOBILE RADAR INDICATED AN AREA OF THUNDERSTORMS MOVING
INLAND FROM THE GULF INTO JACKSON AND MOBILE COUNTIES.  THEY WERE MOVING
TOWARD THE NORTHEAST AT 40 MPH.

THESE THUNDERSTORMS ARE LIKELY TO PRODUCE SOME VERY HEAVY RAINFALL THAT
WILL CAUSE FLOODING OF STREETS AND ROADS.  IN ADDITION SMALL STREAMS
WILL RISE TO BANKFULL OR HIGHER.

THE THUNDERSTORMS WILjL ALSO PRODUCE GUSTY WINDS...DANGEROUS LIGHTNING
AND POSSIBLY SOME HAIL.

MOTORISTS COMMUTING TO HOME FROM WORK SHOULD PLAN ON SLOWING DOWN AND
DRIVING WITH EXTREME CARE.
Special weather statement, Dec 16, 5:34 PM CST, 3 hours 53 minutes before
FLZ001>004-170025-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
530 PM CST WED DEC 16 1992

AT 525 PM CST...A BAND OF SHOWERS AND THUNDERSTORMS EXTENDED FROM JUST
WEST OF MONTGOMERY SOUTHWEST ACROSS SOUTHWEST ALABAMA AND THE
NORTHWEST CORNER OF ESCAMBIA COUNTY FLORIDA THEN CONTINUED OVER COASTAL
ALABAMA AND OUT INTO THE MISSISSIPPI COASTAL WATERS.  THE BAND WAS
MOVING EAST AT 20 MILES AN HOUR.

AS THESE THUNDERSTORMS PASS OVER THE FLORIDA PANHANDLE THIS EVENING
THEY WILL LIKELY PRODUCE PERIODS OF HEAVY RAIN...GUSTY WINDS AND
FREQUENT LIGHTNING.  DUE TO THE LARGE WIDTH OF THE BAND OF RAIN SOME
LOCALIZED FLOODING OF STREETS...LOW LYING AREAS AND SMALL STREAMS IS
POSSIBLE.

THE INDIVIDUAL THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR.
Special weather statement, Dec 16, 8:38 PM CST, 49 minutes before
FLZ001>004-170325-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
837 PM CST WED DEC 16 1992

AT 825 PM CST...A BAND OF SHOWERS AND THUNDERSTORMS EXTENDED FROM
MONTGOMERY SOUTHWEST THROUGH SOUTHWEST ALABAMA AND THE NORTHWEST CORNER
CORNER OF THE FLORIDA PANHANDLE AND CONTINUED OUT INTO THE ALABAMA
COASTAL WATERS.  THE HEAVIER RAIN WAS IN A SHORT BAND FROM MCDAVID IN
NORTH ESCAMBIA COUNTY FLORIDA SOUTHWEST TO THE COAST IN SOUTH BALDWIN
COUNTY ALABAMA.

AS THIS BAND OF HEAVY RAIN MOVES SLOWLY EAST THIS EVENING...RESIDENTS
OF NORTHWEST FLORIDA CAN EXPECT TO EXPERIENCE PERIODS OF HEAVY RAIN...
GUSTY WINDS AND LIGHTNING ALONG WITH SOME POSSIBLE FLOODING OF STREETS
AND LOW LYING AREAS.

PEOPLE IN NORTHWEST FLORIDA SHOULD BE AWARE FOR POSSIBLE FLOODING...
ESPECIALLY WHEN DRIVING AND STAY ALERT FOR FLOOD WARNINGS IF THEY
BECOME NECESSARY.
Special weather statement, Dec 16, 8:41 PM CST, 46 minutes before
FLZ001>004-170325-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
837 PM CST WED DEC 16 1992

AT 825 PM CST...A BAND OF SHOWERS AND THUNDERSTORMS EXTENDED FROM
MONTGOMERY SOUTHWEST THROUGH SOUTHWEST ALABAMA AND THE NORTHWEST
CORNER OF THE FLORIDA PANHANDLE AND CONTINUED OUT INTO THE ALABAMA
COASTAL WATERS.  THE HEAVIER RAIN WAS IN A SHORT BAND FROM MCDAVID IN
NORTH ESCAMBIA COUNTY FLORIDA SOUTHWEST TO THE COAST IN SOUTH BALDWIN
COUNTY ALABAMA.

AS THIS BAND OF HEAVY RAIN MOVES SLOWLY EAST THIS EVENING...RESIDENTS
OF NORTHWEST FLORIDA CAN EXPECT TO EXPERIENCE PERIODS OF HEAVY RAIN...
GUSTY WINDS AND LIGHTNING ALONG WITH SOME POSSIBLE FLOODING OF STREETS
AND LOW LYING AREAS.

PEOPLE IN NORTHWEST FLORIDA SHOULD BE AWARE FOR POSSIBLE FLOODING...
ESPECIALLY WHEN DRIVING AND STAY ALERT FOR FLOOD WARNINGS IF THEY
BECOME NECESSARY.

Nearby

Flash Flood Warnings in Alabama, 1992Every flash flood warning in 1992

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.