Alert archive / Florida / Flash Flood Warnings in 1998

Flash Flood Warning 15, NWS Mobile, AL

March 8, 1998Escambia County, Florida

NWS Mobile, AL issued this flash flood warning at Mar 8, 1998, 3:50 AM CST for Escambia County, Florida. It was in force for 2 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
Mar 8, 1998, 3:50 AM CST (09:50 UTC)
Expired
Mar 8, 1998, 5:55 AM CST
In force
2 hr
Issued by
NWS Mobile, AL
Area
Whole counties

County Escambia County, FL

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 9.8 hours before the alert went out and 230 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 1998-03-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 65 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1998-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 530 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
65 J/kg
Mixed-layer CIN
-254 J/kg
Mixed-layer LCL
520 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
530 m²/s²
0-3 km storm-relative helicity
619 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMOB 080952
FFWMOB
FLC033-081150-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
350 AM CST SUN MAR 8 1998


THE NATIONAL WEATHER SERVICE IN MOBILE AL HAS ISSUED A 
FLASH FLOOD WARNING EFFECTIVE UNTIL 555 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWESTERN FLORIDA

   ...ESCAMBIA COUNTY

MOBILE DOPPLER WEATHER SHOWED BETWEEN TWO TO THREE INCHES OF RAIN HAS
FALLEN ACROSS THE NORTH PART OF THE COUNTY SINCE 100 AM.
THUNDERSTORMS ARE MOVING THROUGH THE COUNTY AND AN ADDITIONAL ONE TO
TWO INCHES OF RAINFALL CAN BE EXPECTED.  MANY STREETS AND POOR
DRAINAGE AREAS WILL LIKELY BECOME FLOODED BY THE ADDITIONAL RAINS.

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. IT IS VERY DIFFICULT
AT NIGHT TO TELL HOW MUCH WATER IS ON ROADS. MOTORISTS SHOULD NOT
DRIVE THROUGH WATER OF UNKNOWN DEPTH.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY AND THE ROAD BENEATH MAYn NOT BE INTACT. VEHICLES
CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. IT ONLY TAKES
A FOOT OR TWO OF FLOWING WATER TO WASH MOST CARS AWAY. REMEMBER...
MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 8, 4:32 AM CSTSevere Thunderstorm WarningMOBEscambia33 min
Mar 8, 4:44 AM CSTSevere Thunderstorm WarningMOBSanta Rosa36 min
Mar 8, 5:58 AM CSTFlash Flood WarningMOBEscambia4 hr
Mar 8, 10:14 AM CSTFlash Flood WarningMOBOkaloosa, Santa Rosa5 hr
Mar 8, 10:14 AM CSTFlash Flood WarningMOBEscambia5 hr
Mar 8, 2:08 PM CSTSevere Thunderstorm WarningMOBEscambia, Santa Rosa62 min
Mar 8, 2:47 PM CSTSevere Thunderstorm WarningMOBOkaloosa63 min
Mar 8, 3:30 PM CSTFlash Flood WarningMOBEscambia, Santa Rosa6 hr
Mar 8, 3:30 PM CSTFlash Flood WarningMOBOkaloosa6 hr

Nearby

Flash 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.