Alert archive / Alabama / Flash Flood Warnings in 1998

Flash Flood Warning 38, NWS Mobile, AL

September 27, 1998Escambia County, Alabama

NWS Mobile, AL issued this flash flood warning at Sep 27, 1998, 11:51 PM CDT for Escambia County, Alabama. It was in force for 69 min. 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 27, 1998, 11:51 PM CDT (04:51 UTC)
Expired
Sep 28, 1998, 1:00 AM CDT
In force
69 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Escambia County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 4.9 hours before the alert went out and 231 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, Birmingham, AL at 00:00Z on 1998-09-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 547 joules per kilogram.LCLLFCEL10008507005003002001001 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, Birmingham, AL at 00:00Z on 1998-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.1939Sfc1 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
547 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
1206 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
58 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 280451
FFWMOB
ALC053-280600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1151 PM CDT SUN SEP 27 1998

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN ESCAMBIA COUNTY IN SOUTHWESTERN ALABAMA

* UNTIL 100 AM CDT

* AT 1151 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AT MOBILE
INDICATED RAINFALL TOTALS TO NEAR 5 INCHES LOCALLY IN SOME PARTS OF
OF WESTERN ESCAMBIA COUNTY ALABAMA. FLOODING OF SOME ROADS INCLUDING
US 31 NEAR ATMORE HAVE BEEN REPORTED.

*CONTINUED FLOODING OF SMALL STREAMS AND POOR DRAINAGE AREAS WILL BE
LIKELY THROUGH MONDAY NIGHT. STAY TUNED FOR FURTHER UPDATES.

DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 28, 1:02 AM CDTFlash Flood WarningMOBBaldwin, Escambia7 hr
Sep 28, 6:00 AM CDTFlash Flood WarningMOBBaldwin, Mobile6 hr
Sep 28, 6:00 AM CDTFlash Flood WarningMOBEscambia6 hr
Sep 28, 7:48 AM CDTTornado WarningMOBCovington42 min
Sep 28, 8:41 AM CDTTornado WarningMOBCovington79 min
Sep 28, 10:41 AM CDTTornado WarningMOBBaldwin79 min
Sep 28, 11:15 AM CDTFlash Flood WarningMOBButler, Covington6 hr
Sep 28, 11:54 AM CDTFlash Flood WarningMOBEscambia8 hr
Sep 28, 11:54 AM CDTFlash Flood WarningMOBButler, Covington, Crenshaw8 hr
Sep 28, 11:54 AM CDTFlash Flood WarningMOBBaldwin, Mobile, Washington8 hr
Sep 28, 2:01 PM CDTTornado WarningMOBCrenshaw44 min

Nearby

Flash Flood Warnings in Alabama, 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.