Alert archive / Alabama / Flash Flood Warnings in 1992
Flash Flood Warning 11, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Dec 16, 1992, 5:26 PM CST for Mobile County, Alabama. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Dec 16, 1992, 5:26 PM CST (23:26 UTC)
- Expired
- Dec 16, 1992, 7:30 PM CST
- In force
- 2 hr
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Mobile County, AL
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 11.4 hours before the alert went out and 152 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 787 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 162327 FFWMOB ALC097-170130- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOBILE AL 526 PM CST WED DEC 16 1992 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 730 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST ALABAMA ...MOBILE COUNTY AT 520 PM THE MOBILE RADAR INDICATED A 20 MILE WIDE BAND OF THUNDERSTORMS LOCATED FROM JUST EAST OF PASCAGOULA MISSISSIPPI NORTHEAST ACROSS THE WESTERN SECTIONS OF MOBILE THEN NORTHWARD IN TO NORTHEAST MOBILE COUNTY. THE BAND IS MOVING ONLY VERY SLOWLY EAST. THUNDERSTORMS ALONG THE LINE ARE MOVING TOWARD THE NORTHEAST AT 40 MPH. THIS LINE OF THUNDERSTORMS EXTENDS SOUTHWEST TO NEAR THE MOUTH OF THE MISSISSIPPI RIVER. HEAVY RAIN WILL CONTINUE IN MOBILE COUNTY FOR THE NEXT SEVERAL HOURS WITH AN ADDITIONAL 2 TO 4 INCHES OF RAINFALL LIKELY. FLOODING IS NOW LIKELY ON ALL STREETS AND ROADS. RESIDENTS LIVING IN AREAS SUBJECT TO FLOODING SHOULD MOVE TO A SAFE LOCATION OR...IF YOU CHOOSE TO STAY...BE ON THE LOOKOUT FOR RAPIDLY RISING WATER AND MOVE TO A SAFE LOCATION IMMEDIATELY. MOTORISTS SHOULD ONLY MAKE NECESSARY TRIPS UNTIL THE RAIN SUBSIDES. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALLZ ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
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, 1 hour 9 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.
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.