Alert archive / Alabama / Flash Flood Warnings in 2005

Flash Flood Warning 19, NWS Mobile, AL

April 1, 2005Baldwin County, Mobile County, Alabama

NWS Mobile, AL issued this flash flood warning at Apr 1, 2005, 9:00 AM CST for Baldwin County, Mobile County, Alabama. It was in force for 3 hr. 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 1, 2005, 9:00 AM CST (15:00 UTC)
Expired
Apr 1, 2005, 12:00 PM CST
In force
3 hr
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), 19 km from the middle of the area, began a volume at 15:01 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 3.0 hours before the alert went out and 166 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 12:00Z on 2005-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1645 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2005-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 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
1645 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
514 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.5
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMOB 011501
FFWMOB
ALC003-097-011800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
900 AM CST FRI APR 1 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 1200 PM CST

* AT 858 AM CST...LOCAL LAW ENFORCEMENT OFFICIALS REPORT NUMEROUS
  FLOODED ROADWAYS COUNTYWIDE IN BALDWIN AND MOBILE COUNTIES. NATIONAL
  WEATHER SERVICE DOPPLER RADAR CONTINUES TO INDICATE ADDITIONAL
  SHOWERS AND THUNDERSTORMS OVER THE GULF WATERS THAT WILL MOVE
  NORTHEAST OVER THE COUNTIES THROUGH NOON.

ADDITIONAL WIDESPREAD RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE 
THROUGH NOON...WITH UP TO 3 INCHES LOCALLY NEAR THE COAST.

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 3039 8835 3039 8746 3116 8771 3108 8832

$$
1 follow-up statement
000 
WGUS74 KMOB 011745
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1144 AM CST FRI APR 1 2005

ALC003-097-011800-
BALDWIN AL-MOBILE AL-
1144 AM CST FRI APR 1 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL NOON CST FOR MOBILE AND
CENTRAL BALDWIN COUNTIES...

AT 1140 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR HAS INDICATED 
THAT THE THUNDERSTORMS THAT PRODUCED THE FLASH FLOODING OVER THE WARNED 
AREA HAVE MOVES EAST OF THE AREA.

THE HIGH FLOOD WATERS CONTINUE TO RECEDE...BUT SOME WATER OVER THE 
ROADS REMAIN. THE EXCESSIVE RUNOFF WILL CONTINUE TO CAUSE FLOODING OF 
SMALL CREEKS AND STREAMS...AND OTHER LOW LYING AREAS THAT ARE SUBJECT 
TO FLOODING.

LAT...LON 3039 8835 3039 8746 3116 8771 3108 8832

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 6:29 PM CSTFlash Flood WarningMOBBaldwin4 hr
Mar 31, 9:21 PM CSTSevere Thunderstorm WarningMOBMobile39 min
Mar 31, 9:46 PM CSTSpecial Marine WarningMOB59 min
Mar 31, 10:23 PM CSTSevere Thunderstorm WarningMOBMobile37 min
Mar 31, 10:28 PM CSTSevere Thunderstorm WarningMOBBaldwin47 min
Mar 31, 10:30 PM CSTFlash Flood WarningMOBBaldwin4 hr
Mar 31, 10:32 PM CSTSpecial Marine WarningMOB13 min
Mar 31, 11:16 PM CSTSevere Thunderstorm WarningMOBMobile29 min
Mar 31, 11:25 PM CSTSpecial Marine WarningMOB65 min
Mar 31, 11:28 PM CSTFlash Flood WarningMOBMobile3 hr
Mar 31, 11:46 PM CSTSevere Thunderstorm WarningMOBMobile29 min
Apr 1, 12:28 AM CSTSpecial Marine WarningMOB2 hr
Apr 1, 12:33 AM CSTSpecial Marine WarningMOB57 min
Apr 1, 12:39 AM CSTSevere Thunderstorm WarningMOBBaldwin36 min
Apr 1, 12:48 AM CSTSpecial Marine WarningMOB27 min
Apr 1, 12:49 AM CSTSevere Thunderstorm WarningMOBMobile26 min
Apr 1, 1:08 AM CSTSevere Thunderstorm WarningMOBChoctaw, Washington64 min
Apr 1, 1:11 AM CSTSevere Thunderstorm WarningMOBMobile, Washington34 min
Apr 1, 1:22 AM CSTSevere Thunderstorm WarningMOBBaldwin23 min
Apr 1, 1:40 AM CSTSevere Thunderstorm WarningMOBMobile, Washington20 min
Apr 1, 1:42 AM CSTSevere Thunderstorm WarningMOBBaldwin18 min
Apr 1, 1:46 AM CSTSevere Thunderstorm WarningMOBBaldwin, Mobile29 min
Apr 1, 1:58 AM CSTSpecial Marine WarningMOB62 min
Apr 1, 2:20 AM CSTSpecial Marine WarningMOB25 min
Apr 1, 2:32 AM CSTFlash Flood WarningMOBBaldwin, Mobile4 hr
Apr 1, 2:55 AM CSTSpecial Marine WarningMOB65 min
Apr 1, 3:39 AM CSTSevere Thunderstorm WarningMOBMobile36 min
Apr 1, 3:56 AM CSTSpecial Marine WarningMOB64 min
Apr 1, 4:08 AM CSTSevere Thunderstorm WarningMOBBaldwin67 min
Apr 1, 4:14 AM CSTSevere Thunderstorm WarningMOBBaldwin, Mobile31 min
Apr 1, 4:23 AM CSTSevere Thunderstorm WarningMOBMobile37 min
Apr 1, 4:40 AM CSTSpecial Marine WarningMOB2 hr
Apr 1, 4:45 AM CSTSevere Thunderstorm WarningMOBBaldwin, Escambia75 min
Apr 1, 4:57 AM CSTSpecial Marine WarningMOB63 min
Apr 1, 5:19 AM CSTSevere Thunderstorm WarningMOBMobile41 min
Apr 1, 5:19 AM CSTSevere Thunderstorm WarningMOBMobile41 min
Apr 1, 5:29 AM CSTFlash Flood WarningMOBBaldwin, Mobile4 hr
Apr 1, 6:00 AM CSTSpecial Marine WarningMOB60 min
Apr 1, 6:07 AM CSTSevere Thunderstorm WarningMOBBaldwin53 min
Apr 1, 6:52 AM CSTSpecial Marine WarningMOB2 hr
Apr 1, 12:22 PM CSTSpecial Marine WarningMOB53 min
Apr 1, 5:32 PM CSTSpecial Marine WarningMOB58 min

Nearby

Flash Flood Warnings in Alabama, 2005Every 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.