Alert archive / Alabama / Flash Flood Warnings in 2000

Flash Flood Warning 1, NWS Mobile, AL

January 9, 2000Choctaw County, Alabama

NWS Mobile, AL issued this flash flood warning at Jan 9, 2000, 9:31 PM CST for Choctaw County, Alabama. It was in force for 119 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 9, 2000, 9:31 PM CST (03:31 UTC)
Expired
Jan 9, 2000, 11:30 PM CST
In force
119 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Choctaw County, AL

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 3.5 hours before the alert went out and 174 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 2000-01-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 65 joules per kilogram.LCLLFCEL10008507005003002001001 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 2000-01-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 square meters per square second.1939587897117136Sfc1 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
65 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
815 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMOB 100340
FFWMOB
ALC023-100530-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
931 PM CST SUN JAN 9 2000

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHOCTAW COUNTY IN ALABAMA

* UNTIL 1130 PM CST

* AT 921 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED CONTINUOUS 
HEAVY OVER CHOCTAW COUNTY. A LINE OF THUNDERSTORMS EXTENDING FROM 
SOUTHERN LOUISIANA THROUGH CENTRAL ALABAMA WILL MOVE OVER CHOCTAW 
COUNTY OVER THE NEXT COUPLE OF HOURS. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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.

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 9, 9:15 PM CSTSevere Thunderstorm WarningMOBChoctaw, Marengo75 min
Jan 9, 10:39 PM CSTSevere Thunderstorm WarningMOBChoctaw51 min
Jan 9, 11:01 PM CSTSevere Thunderstorm WarningMOBMarengo59 min
Jan 9, 11:30 PM CSTFlash Flood WarningMOBChoctaw2 hr
Jan 9, 11:32 PM CSTSevere Thunderstorm WarningMOBWilcox43 min
Jan 9, 11:52 PM CSTSevere Thunderstorm WarningMOBButler53 min
Jan 10, 12:24 AM CSTSevere Thunderstorm WarningMOBMobile, Washington36 min
Jan 10, 12:27 AM CSTSevere Thunderstorm WarningMOBClarke63 min
Jan 10, 12:40 AM CSTSevere Thunderstorm WarningMOBBaldwin, Monroe50 min
Jan 10, 12:50 AM CSTTornado WarningMOBBaldwin40 min
Jan 10, 1:17 AM CSTSevere Thunderstorm WarningMOBConecuh43 min

Nearby

Flash Flood Warnings in Alabama, 2000Every flash flood warning in 2000

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.