Alert archive / Alabama / Flash Flood Warnings in 2001

Flash Flood Warning 3, NWS Mobile, AL

March 3, 20014 counties in Alabama; Greene County, Perry County, Wayne County, Mississippi

NWS Mobile, AL issued this flash flood warning at Mar 3, 2001, 7:15 AM CST for 4 counties in Alabama; Greene County, Perry County, Wayne County, Mississippi. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Mar 3, 2001, 7:15 AM CST (13:15 UTC)
Expired
Mar 3, 2001, 11:00 AM CST
In force
4 hr
Issued by
NWS Mobile, AL
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Choctaw County, AL, Clarke County, AL, Marengo County, AL, Washington County, AL, Greene County, MS, Perry County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 120 km from the middle of the area, began a volume at 13:16 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, 1.3 hours before the alert went out and 185 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, Jackson, MS at 12:00Z on 2001-03-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Jackson, MS at 12:00Z on 2001-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
579 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
219 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 031318
FFWMOB
ALC023-025-091-129-MSC041-111-153-031700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
715 AM CST SAT MAR 3 2001

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GREENE COUNTY IN SOUTHEAST MISSISSIPPI
  PERRY COUNTY IN SOUTHEAST MISSISSIPPI
  WAYNE COUNTY IN SOUTHEAST MISSISSIPPI
  CHOCTAW COUNTY IN SOUTHWEST ALABAMA
  CLARKE COUNTY IN SOUTHWEST ALABAMA
  MARENGO COUNTY IN SOUTHWEST ALABAMA
  WASHINGTON COUNTY IN SOUTHWEST ALABAMA

* UNTIL 1100 AM CST

* AT 655 AM CST...AREAS OF FLOODING CONTINUE TO BE REPORTED BY LAW 
ENFORCEMENT OFFICIALS THIS MORNING. MANY ROADS ACROSS THE WARNED 
AREA ARE UNDERWATER WITH SEVERAL HIGHWAYS AND ROADS CLOSED IN 
CHOCTAW AND CLARKE COUNTIES. IN ADDITION...WEATHER SERVICE DOPPLER 
RADAR INDICATED AREAS OF SHOWERS AND THUNDERSTORMS MOVING NORTHEAST 
ACROSS THE SOUTHERN PORTIONS OF LOUISIANA AND MISSISSIPPI. THIS 
PRECIPITATION WILL MOVE OVER THE WARNED AREA WITHIN THE NEXT SEVERAL 
HOURS WITH HEAVY RAINS LIKELY. UP TO 3 INCHES OF ADDITIONAL RAIN 
COULD FALL OVER THE WARNED AREA BEFORE 11 AM CST...THEREFORE THE 
FLASH FLOOD WARNING HAS BEEN EXTENDED.

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

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. 
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. 
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE 
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. MOST FLASH FLOOD DEATHS 
OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR 
OTHER LOW SPOTS IF WATER COVERS THE ROADWAY. IF YOUR VEHICLE STALLS, 
ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. NEVER TRY TO CROSS A 
FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
MOBILE.

LAT...LON 3255 8786 3243 8805 3233 8796 3231 8842
          3188 8847 3183 8893 3144 8892 3145 8915
          3093 8914 3093 8884 3100 8882 3100 8843
          3115 8844 3116 8800 3147 8764 3183 8752
          3183 8770 3215 8765 3215 8754 3249 8753

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 3, 1:11 AM CSTFlash Flood WarningMOBChoctaw, Clarke, Marengo, Washington6 hr
Mar 3, 1:39 AM CSTSevere Thunderstorm WarningMOBMobile, Washington36 min
Mar 3, 1:55 AM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Monroe65 min
Mar 3, 2:45 AM CSTSevere Thunderstorm WarningMOBConecuh45 min
Mar 3, 3:09 AM CSTSevere Thunderstorm WarningMOBButler51 min
Mar 3, 11:24 AM CSTSevere Thunderstorm WarningMOBMobile36 min
Mar 3, 11:25 AM CSTFlash Flood WarningMOBBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 7 more6 hr
Mar 3, 3:47 PM CSTSevere Thunderstorm WarningMOBClarke, Washington28 min
Mar 3, 5:15 PM CSTFlash Flood WarningMOBBaldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 7 more6 hr
Mar 3, 8:50 AM CSTFlash Flood WarningMOBGeorge, Stone2 hr

Nearby

Flash Flood Warnings in Alabama, 2001Flash Flood Warnings in Mississippi, 2001Every flash flood warning in 2001

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.