Alert archive / Alabama / Flash Flood Warnings in 2001

Flash Flood Warning 2, NWS Mobile, AL

March 3, 2001Greene County, Perry County, Wayne County, Mississippi; 4 counties in Alabama

NWS Mobile, AL issued this flash flood warning at Mar 3, 2001, 1:11 AM CST for Greene County, Perry County, Wayne County, Mississippi; 4 counties in Alabama. It was in force for 6 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, 1:11 AM CST (07:11 UTC)
Expired
Mar 3, 2001, 7:00 AM CST
In force
6 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), 114 km from the middle of the area, began a volume at 07:10 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 00:00Z, 7.2 hours before the alert went out and 187 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 00:00Z 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 00:00Z on 2001-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
589 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
61 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 030714
FFWMOB
ALC023-025-091-129-MSC041-111-153-031300-

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 700 AM CST

* AT 110 AM CST...WEATHER SERVICE DOPPLER RADAR INDICATED A 
DEVELOPING AREA OF SHOWERS AND THUNDERSTORMS OVER PORTIONS OF INLAND 
SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA.  DEVELOPING LOW 
PRESSURE TO THE SOUTHWEST WILL ALLOW FOR CONTINUED EXPANSION OF THE 
HEAVY RAINS. CURRENTLY...FLASH FLOOD GUIDANCE INDICATES THAT AN INCH 
OF RAIN IN ONE HOUR...OR ABOUT 1.5 INCHES IN 2 HOURS WOULD CAUSE 
FLASH FLOODING.  THE LATEST SATELLITE AND RADAR TRENDS INDICATE THAT 
UP TO AN ADDITIONAL 3 INCHES OF RAIN COULD FALL OVER THE WARNED AREA 
BEFORE 7 AM CST.  IT SHOULD BE NOTED THAT SOME STORMS COULD PRODUCE 
UP TO 2 INCHES IN ONE HOUR WHICH FURTHER ELELVATE THE FLASH FLOOD 
POTENTIAL.


RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF SMALL CREEKS 
AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF 
CREEKS AND STREAMS.

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 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. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

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

LAT...LON 3096 8910 3099 8890 3108 8852 3119 8840
          F3121 8799 3144 8777 3148 8762 3170 8761
          3182 8769 3222 8769 3221 8760 3246 8757
          3250 8778 3246 8798 3231 8791 3229 8838
          3188 8844 3180 8887 3142 8891 3139 8911

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 3, 7:15 AM CSTFlash Flood WarningMOBGreene, Perry, Wayne4 hr
Mar 3, 8:50 AM CSTFlash Flood WarningMOBGeorge, Stone2 hr
Mar 3, 11:25 AM CSTFlash Flood WarningMOBGeorge, Greene, Perry, Stone, Wayne6 hr
Mar 3, 5:15 PM CSTFlash Flood WarningMOBGeorge, Greene, Perry, Stone, Wayne6 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, 3:47 PM CSTSevere Thunderstorm WarningMOBClarke, Washington28 min

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.