Alert archive / Alabama / Flash Flood Warnings in 2005

Flash Flood Warning 11, NWS Mobile, AL

March 31, 2005Mobile County, Alabama

NWS Mobile, AL issued this flash flood warning at Mar 31, 2005, 11:28 PM CST for 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
Mar 31, 2005, 11:28 PM CST (05:28 UTC)
Expired
Apr 1, 2005, 2:30 AM CST
In force
3 hr
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

County Mobile County, AL

The radar

The Mobile radar (KMOB), 28 km from the middle of the area, began a volume at 05:28 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 00:00Z, 5.5 hours before the alert went out and 141 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 00:00Z on 2005-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1854 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 00:00Z on 2005-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 square meters per square second.193958Sfc1 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
1854 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
456 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
1.7
Supercell composite
7.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMOB 010531
FFWMOB
ALC097-010830-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1128 PM CST THU MAR 31 2005

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  MOBILE COUNTY IN SOUTHWEST ALABAMA

* UNTIL 230 AM CST

* AT 1125 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  NUMEROUS SHOWERS AND THUNDERSTORMS TRAINING ACROSS MOBILE COUNTY.
  HEAVY RAINS FROM THESE STORMS WILL PERSIST FOR SEVERAL MORE HOURS 
  AND RAINFALL RATES OF UP TO 1 TO 1.5 INCHES PER HOUR WILL RESULT
  IN FLASH FLOODING MAINLY OVER THE SOUTHERN PORTION OF THE COUNTY.
  BAYOU LA BATRE POLICE DEPARTMENT REPORTED THAT AT THE INTERSECTION
  OF HIGHWAY 188 AND 4 MILE...APPROXIMATELY 4 FEET OF WATER WAS OVER
  THE ROADWAY...UP TO THE TOP OF CAR DOORS.

* OTHER LOCATIONS AFFECTED BY THE HEAVY RAIN INCLUDES LAURENDINE AND
  BELLEFONTAINE.

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.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

LAT...LON 3025 8841 3033 8803 3071 8801 3059 8839

$$

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, 11:46 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, 9:00 AM CSTFlash Flood WarningMOBBaldwin, Mobile3 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.