Alert archive / Alabama / Flash Flood Warnings in 1998

Flash Flood Warning 54, NWS Mobile, AL

September 29, 1998Baldwin County, Escambia County, Alabama; Escambia County, Santa Rosa County, Florida

NWS Mobile, AL issued this flash flood warning at Sep 29, 1998, 4:02 AM CDT for Baldwin County, Escambia County, Alabama; Escambia County, Santa Rosa County, Florida. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 29, 1998, 4:02 AM CDT (09:02 UTC)
Expired
Sep 29, 1998, 11:00 AM CDT
In force
7 hr
Issued by
NWS Mobile, AL
Area
Whole counties

Counties Baldwin County, AL, Escambia County, AL, Escambia County, FL, Santa Rosa County, FL

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 9.0 hours before the alert went out and 236 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 1998-09-29Temperature 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°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 1998-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
615 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
132 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 290906
FFWMOB
ALC003-013-039-053-097-129-FLC033-091-113-291600-

BULLETIN - EAS ACTIVATION REQUESTED WARNING...RESEND
NATIONAL WEATHER SERVICE MOBILE AL
402 AM CDT TUE SEP 29 1998

THE NATIONAL WEATHER SERVICE IN MOBILE HAS EXTENDED THE FLOOD
WARNINGS FOR THE FOLLOWING COUNTIES IN 

SOUTHWEST AND SOUTH CENTRAL ALABAMA 
* MOBILE...BALDWIN...WASHINGTON...BUTLER...COVINGTON...ESCAMBIA...

NORTHWEST FLORIDA
  ESCAMBIA...OKALOOSA...SANTA ROSA

* UNTIL 1100 AM CDT

* AT 400 AM CDT...TROPICAL STORM GEORGES WAS LOCATED NEAR THE         
  MOBILE REGIONAL AIRPORT. PRECIPITATION...HEAVY AT TIMES IN BANDS    
  REMAINS CONFINED TO THE EAST OF THE CENTER...WILL AFFECT THE        
  WARNED AREA THROUGH LATE MORNING AS THE SYSTEM MOVES SLOWLY EAST    
  NORTHEAST.

* THIS WILL CAUSE WIDESPREAD FLOODING OF SMALL STREAMS AND POOR
  DRAINAGE AREAS TO CONTINUE IN THE COUNTIES LISTED ABOVE.

  MANY COUNTY AND SECONDARY ROADS WILL REMAIN CLOSED DUE TO HIGH      
  WATER THROUGH THE REMAINDER OF THE MORNING. SEVERAL BRIDGES REMAIN  
  IMPASSABLE DUE TO SWOLLEN CREEKS AND STREAMS. ADDITIONAL RAINFALL   
  ACCUMULATIONS 1 TO 3 INCHES WILL AGGRAVATE THE FLOODING PROBLEM DUE 
  THE SATURATED GROUND CONDITIONS.

THE FOLLOWING IS A THREE DAY TOTAL OF SOME OF THE LARGER RAINFALL
AMOUNTS FROM SATURDAY TO MONDAY. 

IN ALABAMA...
ALABAMA PORT 13.66 INCHES
ATMORE 6.61 INCHES
AXIS 10.00 INCHES
BAY MINETTE 14.55 INCHES
BREWTON 8.00 INCHES
CHATOM 9.80 INCHES
FRISCO CITY 4.00 INCHES
JACKSON 4.00 INCHES
MOBILE 12.20 INCHES
DOWNTOWN MOBILE 10.99 INCHES
PENNINGTON 6.00 INCHES
SEMINOLE 9.43 INCHES
THOMASVILLE 2.60 INCHES
WHATELY 4.25 INCHES

IN FLORIDA...
MUNSON 25.06 INCHES
NICEVILLE 10.08 INCHES
PENSACOLA AIRPORT 10.08 INCHES
SHALIMAR 8.82 INCHES

IN MISSISSIPPI...
BUCKATUNNA 3.00 INCHES
LEAKESVILLE 8.29 INCHES

MOTORISTS SHOULD NOT DRIVE AROUND ROAD BARRIERS OR ATTEMPT TO DRIVE
THROUGH WATER COVERED ROADWAYS.  NEARLY HALF OF ALL FLASH FLOOD
DEATHS ARE AUTO RELATED.  TWO FEET OF WATER WILL CARRY AWAY MOST
AUTOMOBILES. IN YOUR AUTOMOBILE...LOOK OUT FOR FLOODING IN HIGHWAY
RIDGES AND LOW AREAS.

SPECIFIC INFORMATION ON CREST FORECASTS OF RIVERS AND TRIBUTARIES CAN
BE FOUND I:N FLOOD STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE  
IN MOBILE.


GJM

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 28, 7:23 PM CDTTornado WarningMOBCovington37 min
Sep 28, 7:59 PM CDTFlash Flood WarningMOBButler, Covington8 hr
Sep 28, 7:59 PM CDTFlash Flood WarningMOBEscambia8 hr
Sep 28, 7:59 PM CDTFlash Flood WarningMOBBaldwin, Mobile, Washington8 hr
Sep 28, 8:09 PM CDTTornado WarningMOBCovington36 min
Sep 28, 9:02 PM CDTTornado WarningMOBCovington73 min
Sep 29, 4:02 AM CDTFlash Flood WarningMOBMobile, Washington7 hr
Sep 29, 4:02 AM CDTFlash Flood WarningMOBButler, Covington7 hr
Sep 29, 9:03 AM CDTFlash Flood WarningMOBCrenshaw8 hr
Sep 29, 11:59 AM CDTFlash Flood WarningMOBBaldwin, Mobile, Washington8 hr
Sep 29, 11:59 AM CDTFlash Flood WarningMOBButler, Covington, Crenshaw8 hr
Sep 29, 11:59 AM CDTFlash Flood WarningMOBConecuh, Escambia8 hr
Sep 28, 9:58 PM CDTTornado WarningMOBOkaloosa77 min
Sep 29, 3:08 AM CDTTornado WarningMOBSanta Rosa37 min
Sep 29, 4:02 AM CDTFlash Flood WarningMOBOkaloosa7 hr
Sep 29, 11:59 AM CDTFlash Flood WarningMOBEscambia, Okaloosa, Santa Rosa8 hr

Nearby

Flash Flood Warnings in Alabama, 1998Flash Flood Warnings in Florida, 1998Every flash flood warning in 1998

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.