Alert archive / Alabama / Flash Flood Warnings in 2005

Flash Flood Warning 28, NWS Mobile, AL

April 30, 2005Baldwin County, Mobile County, Alabama

NWS Mobile, AL issued this flash flood warning at Apr 30, 2005, 8:14 AM CDT for Baldwin County, Mobile County, Alabama. It was in force for 91 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: Apr 30, 2005, 8:14 AM CDT (13:14 UTC)
Expired: Apr 30, 2005, 9:45 AM CDT
In force: 91 min
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

Counties Baldwin County, AL, Mobile County, AL

The radar

The Mobile radar (KMOB), 31 km from the middle of the area, began a volume at 13:14 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

Jackson, MS (KJAN), launched 12:00Z, 1.2 hours before the alert went out and 272 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 597 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: -180 m²/s²
0-3 km storm-relative helicity: -81 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 
WGUS54 KMOB 301314
FFWMOB
ALC003-097-301445-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
814 AM CDT SAT APR 30 2005

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  BALDWIN COUNTY IN SOUTHWEST ALABAMA
  MOBILE COUNTY IN SOUTHWEST ALABAMA

* UNTIL 945 AM CDT

* AT 810 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM
  GATESWOOD TO DEES...OR ALONG A LINE EXTENDING FROM 15 MILES
  SOUTHEAST OF BAY MINETTE TO 13 MILES EAST OF ESCATAWPA. THE STORMS
  PRODUCING VERY HEAVY RAIN WERE NEARLY STATIONARY.

RAINFALL AMOUNTS OF 2 TO 3 INCHES IN A SHORT PERIOD OF TIME ARE 
LIKELY OVER THE WARNED AREA...WITH LOCALIZED AMOUNTS OF 3 TO 4 
INCHES OVER CENTRAL PORTIONS OF MOBILE COUNTY.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 3090 8767 3071 8841 3041 8840 3065 8742

$$

1 follow-up statement

000 
WGUS74 KMOB 301429
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
929 AM CDT SAT APR 30 2005

ALC003-097-301445-
BALDWIN AL-MOBILE AL-
929 AM CDT SAT APR 30 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 945 AM CDT FOR MOBILE AND
BALDWIN COUNTIES...

AT 925 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS PRODUCING FLASH FLOODING OVER THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MOBILE...
SUMMERDALE...SEMINOLE...PERDIDO BEACH...FOLEY...DELCHAMPS...AND 
CODEN.

RAINFALL AMOUNTS OF 2 TO 3 INCHES HAVE BEEN ESTIMATED ON RADAR IN 
LAST TWO HOURS OVER THE WARNED AREA...WITH LOCALIZED AMOUNTS OF 3 TO 
4 INCHES OVER THE CENTRAL AND SOUTHERN PORTIONS MOBILE COUNTY. 
MOBILE AIRPORT REPORTED 3.42 INCHES IN THE LAST TWO HOURS.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

LAT...LON 3090 8767 3071 8841 3033 8839 3032 8745
      3064 8743

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 4:12 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw	33 min
Apr 30, 4:30 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw	45 min
Apr 30, 4:45 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw	15 min
Apr 30, 5:02 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Washington	43 min
Apr 30, 5:30 AM CDT	Severe Thunderstorm Warning	MOB	Clarke	60 min
Apr 30, 5:47 AM CDT	Severe Thunderstorm Warning	MOB	Washington	43 min
Apr 30, 5:57 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	48 min
Apr 30, 6:03 AM CDT	Severe Thunderstorm Warning	MOB	Monroe, Wilcox	57 min
Apr 30, 6:30 AM CDT	Severe Thunderstorm Warning	MOB	Butler, Conecuh	60 min
Apr 30, 6:41 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	49 min
Apr 30, 7:01 AM CDT	Severe Thunderstorm Warning	MOB	Crenshaw	59 min
Apr 30, 7:11 AM CDT	Tornado Warning	MOB	Butler, Crenshaw	49 min
Apr 30, 7:19 AM CDT	Severe Thunderstorm Warning	MOB	Covington	56 min
Apr 30, 7:24 AM CDT	Special Marine Warning	MOB		2 hr
Apr 30, 7:33 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	42 min
Apr 30, 7:37 AM CDT	Special Marine Warning	MOB		23 min
Apr 30, 7:43 AM CDT	Severe Thunderstorm Warning	MOB	Escambia	47 min
Apr 30, 8:14 AM CDT	Severe Thunderstorm Warning	MOB	Covington	31 min
Apr 30, 8:31 AM CDT	Special Marine Warning	MOB		59 min
Apr 30, 9:20 AM CDT	Special Marine Warning	MOB		115 min
Apr 30, 9:31 AM CDT	Special Marine Warning	MOB		59 min
Apr 30, 9:40 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	56 min
Apr 30, 9:50 AM CDT	Flash Flood Warning	MOB	Baldwin, Mobile	115 min
Apr 30, 10:26 AM CDT	Special Marine Warning	MOB		64 min
Apr 30, 11:13 AM CDT	Special Marine Warning	MOB		2 hr
Apr 30, 11:26 AM CDT	Special Marine Warning	MOB		34 min

Nearby

Flash Flood Warnings in Alabama, 2005 Every flash flood warning in 2005

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.