Alert archive / Alabama / Flash Flood Warnings in 2001

Flash Flood Warning 5, NWS Mobile, AL

March 3, 200113 counties in Alabama; 5 counties in Mississippi; Escambia County, Florida

NWS Mobile, AL issued this flash flood warning at Mar 3, 2001, 11:25 AM CST for 13 counties in Alabama; 5 counties in Mississippi; Escambia County, Florida. It was in force for 6 hr. 1 report came from 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, with what was reported inside it.

The facts

Issued
Mar 3, 2001, 11:25 AM CST (17:25 UTC)
Expired
Mar 3, 2001, 5:00 PM CST
In force
6 hr
Issued by
NWS Mobile, AL
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Baldwin County, AL, Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Marengo County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, Escambia County, FL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 100 km from the middle of the area, began a volume at 17:25 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.

What was reported inside it

TimeReportWhereRemark
Mar 3, 1:30 PM CSTFlash FloodGluckstadt, MSSeveral roads flooded in the Gluckstadt area.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 5.4 hours before the alert went out and 213 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 031726
FFWMOB
ALC003-013-023-025-035-039-041-053-091-097-099-129-131-FLC033-MSC039-
041-111-131-153-032300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1125 AM CST SAT MAR 3 2001

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN ESCAMBIA COUNTY IN NORTHWEST FLORIDA
  GEORGE COUNTY IN SOUTHEAST MISSISSIPPI
  GREENE COUNTY IN SOUTHEAST MISSISSIPPI
  PERRY COUNTY IN SOUTHEAST MISSISSIPPI
  STONE COUNTY IN SOUTHEAST MISSISSIPPI
  WAYNE COUNTY IN SOUTHEAST MISSISSIPPI
  NORTHERN BALDWIN COUNTY IN SOUTHWEST ALABAMA
  BUTLER COUNTY IN SOUTHWEST ALABAMA
  CHOCTAW COUNTY IN SOUTHWEST ALABAMA
  CLARKE COUNTY IN SOUTHWEST ALABAMA
  CONECUH COUNTY IN SOUTHWEST ALABAMA
  COVINGTON COUNTY IN SOUTHWEST ALABAMA
  CRENSHAW COUNTY IN SOUTHWEST ALABAMA
  ESCAMBIA COUNTY IN SOUTHWEST ALABAMA
  MARENGO COUNTY IN SOUTHWEST ALABAMA
  MOBILE COUNTY IN SOUTHWEST ALABAMA
  MONROE COUNTY IN SOUTHWEST ALABAMA
  WASHINGTON COUNTY IN SOUTHWEST ALABAMA
  WILCOX COUNTY IN SOUTHWEST ALABAMA

* UNTIL 500 PM CST

* AT 1115 AM CST...WEATHER SERVICE DOPPLER RADAR INDICATED AREAS OF 
HEAVY RAIN OVER A PORTIONS SOUTHEAST MISSISSIPPI...MOST OF SOUTHWEST 
ALABAMA AND EXTREME NORTHWEST FLORIDA PANHANDLE. MANY ROADS ACROSS 
THE WARNED AREA ARE UNDERWATER WITH SEVERAL HIGHWAYS AND ROADS 
CLOSED. NUMEROUS SHOWERS AND THUNDERSTORMS EXTENDING SOUTHWEST 
ACROSS MISSISSIPPI AND LOUISIANA AND INTO THE WESTERN GULF WILL MOVE 
NORTHEAST ACROSS THE WARNED AREAS. PERIODS OF RAIN WILL OCCUR 
THROUGHOUT THE AFTERNOON WITH LOCALIZED HEAVY RAINFALL LIKELY.
 
DEVELOPING LOW PRESSURE TO THE SOUTHWEST WILL ALLOW FOR CONTINUED 
EXPANSION OF THE HEAVY RAINS. THEREFORE...THE FLASH FLOOD WARNING 
HAS BEEN EXTENDED UNTIL 5 PM AND EXPANDED EAST TO INCLUDE MOST OF 
SOUTHWEST ALABAMA AND EXTREME NORTHWEST FLORIDA PANHANDLE. IT SHOULD 
BE NOTED THAT SOME STORMS COULD PRODUCE UP TO 2 INCHES IN ONE HOUR 
WHICH FURTHER ELELVATE THE FLASH FLOOD POTENTIAL.

EXCESSIVE RUNOFF FROM THIS STORM 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.

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID
CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.

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

LAT...LON 3254 8789 3242 8806 3232 8795 3231 8843
          3188 8847 3183 8894 3144 8894 3144 8914
          3092 8913 3092 8934 3067 8935 3068 8887
          3074 8887 3074 8842 3046 8842 3072 8731
          3091 8731 3102 8718 3100 8619 3197 8619
          3196 8687 3207 8688 3207 8717 3232 8753
          3248 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, 7:15 AM CSTFlash Flood WarningMOBChoctaw, Clarke, Marengo, Washington4 hr
Mar 3, 11:24 AM CSTSevere Thunderstorm WarningMOBMobile36 min
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, 2001Flash Flood Warnings in Florida, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.