Alert archive / Alabama / Flash Flood Warnings in 2004

Flash Flood Warning 10, NWS Mobile, AL

July 15, 2004Monroe County, Alabama

NWS Mobile, AL issued this flash flood warning at Jul 15, 2004, 7:22 PM CDT for Monroe County, Alabama. It was in force for 53 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: Jul 15, 2004, 7:22 PM CDT (00:22 UTC)
Expired: Jul 15, 2004, 8:15 PM CDT
In force: 53 min
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

County Monroe County, AL

The radar

The Mobile radar (KMOB), 135 km from the middle of the area, began a volume at 00:23 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 00:00Z, 0.4 hours before the alert went out and 178 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 894 J/kg
Mixed-layer CIN: -168 J/kg
Mixed-layer LCL: 1462 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 64 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMOB 160024
FFWMOB
ALC099-160115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
722 PM CDT THU JUL 15 2004

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MONROE COUNTY IN SOUTH CENTRAL ALABAMA

* UNTIL 815 PM CDT

* AT 718 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN HAVE FALLEN FROM A THUNDERSTORM NEAR KEITH...OR 
  ABOUT 10 MILES NORTHWEST OF MONROEVILLE...WITH MULTIPLE STORMS
  MOVING SOUTHEAST AT 10 MPH ACROSS THE AREA.

* THE THUNDERSTORM PRODUCING HEAVY RAIN WILL EFFECT AREAS AROUND...
   FOUNTAIN...KEITH AND FITCHBURG THROUGH 815 PM CDT

RAINFALL AMOUNTS OF 4 TO 5 INCHES IN A SHORT PERIOD OF TIME HAVE
FALLEN OVER THE WARNED AREA...WITH AN ADDITIONAL INCH OF RAIN LIKELY.

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 3180 8747 3163 8756 3147 8738 3167 8721

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 7:07 PM CDT	Severe Thunderstorm Warning	MOB	Covington	38 min
Jul 15, 7:11 PM CDT	Severe Thunderstorm Warning	MOB	Covington	34 min
Jul 15, 7:29 PM CDT	Severe Thunderstorm Warning	MOB	Crenshaw	31 min
Jul 15, 7:45 PM CDT	Severe Thunderstorm Warning	MOB	Covington	45 min
Jul 15, 8:00 PM CDT	Severe Thunderstorm Warning	MOB	Wilcox	30 min
Jul 15, 9:56 PM CDT	Special Marine Warning	MOB		79 min
Jul 15, 10:55 PM CDT	Special Marine Warning	MOB		110 min
Jul 15, 11:42 PM CDT	Special Marine Warning	MOB		2 hr
Jul 16, 2:23 AM CDT	Special Marine Warning	MOB		37 min
Jul 16, 2:50 AM CDT	Special Marine Warning	MOB		40 min
Jul 16, 2:50 AM CDT	Special Marine Warning	MOB		40 min
Jul 16, 3:30 AM CDT	Special Marine Warning	MOB		45 min
Jul 16, 3:30 AM CDT	Special Marine Warning	MOB		45 min
Jul 16, 1:19 PM CDT	Severe Thunderstorm Warning	MOB	Washington	26 min
Jul 16, 2:26 PM CDT	Severe Thunderstorm Warning	MOB	Clarke, Monroe, Wilcox	64 min
Jul 16, 2:54 PM CDT	Severe Thunderstorm Warning	MOB	Conecuh	51 min

Nearby

Flash Flood Warnings in Alabama, 2004 Every 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.