Alert archive / Alabama / Flash Flood Warnings in 2004

Flash Flood Warning 13, NWS Mobile, AL

October 19, 2004Escambia County, Alabama

NWS Mobile, AL issued this flash flood warning at Oct 19, 2004, 10:45 AM CDT for Escambia County, Alabama. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 19, 2004, 10:45 AM CDT (15:45 UTC)
Expired
Oct 19, 2004, 11:45 AM CDT
In force
60 min
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

County Escambia County, AL

The radar

The Mobile radar (KMOB), 94 km from the middle of the area, began a volume at 15:45 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 3.8 hours before the alert went out and 239 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 12:00Z on 2004-10-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1233 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 12:00Z on 2004-10-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.19395878Sfc1 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
1233 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
574 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.3

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMOB 191547
FFWMOB
ALC053-191645-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1045 AM CDT TUE OCT 19 2004

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA

* UNTIL 1145 AM CDT

* AT 1045 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM A CLUSTER OF STRONG THUNDERSTORMS ACROSS THE
  WESTERN HALF OF ESCAMBIA COUNTY. THESE STORMS ARE MOVING TO THE
  EAST AT 20 MPH AND WERE PRODUCING RAINFALL AMOUNTS OF 2 TO 3
  INCHES PER HOUR. 

* THE HEAVY RAIN WILL EFFECT AREAS AROUND...
  ATMORE...MCCULLOUGH...HOLMAN PRISON...ROARCH...SARDINE...
  FREEMANVILLE...LITTLE ROCK AND BREWTON THROUGH 1145 AM CDT

LOCAL SPOTTERS HAVE REPORTED STREET FLOODING IN ATMORE AND BREWTON. 
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...HIGHWAYS...STREETS AND UNDERPASSES...AS WELL AS 
OTHER POUR DRAINAGE AND LOW LYING AREAS.

RESIDENTS LIVING IN FLOOD PRONE AREAS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. REMEMBER...IT ONLY
TAKES A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

LAT...LON 3111 8760 3102 8761 3101 8701 3118 8705

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 19, 7:20 AM CDTTornado WarningMOBMobile40 min
Oct 19, 7:58 AM CDTTornado WarningMOBMobile32 min
Oct 19, 5:23 PM CDTSevere Thunderstorm WarningMOBWilcox37 min
Oct 19, 5:34 PM CDTSevere Thunderstorm WarningMOBChoctaw11 min
Oct 19, 6:23 PM CDTSevere Thunderstorm WarningMOBMonroe, Wilcox37 min
Oct 19, 6:58 PM CDTSevere Thunderstorm WarningMOBConecuh, Monroe32 min

Nearby

Flash Flood Warnings in Alabama, 2004Every flash flood warning in 2004

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; radar from the NEXRAD Level II archive.