Alert archive / Alabama / Flash Flood Warnings in 2000

Flash Flood Warning 13, NWS Mobile, AL

November 6, 2000Mobile County, Alabama

NWS Mobile, AL issued this flash flood warning at Nov 6, 2000, 10:20 PM CST for Mobile County, Alabama. It was in force for 85 min. 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: Nov 6, 2000, 10:20 PM CST (04:20 UTC)
Expired: Nov 6, 2000, 11:45 PM CST
In force: 85 min
Issued by: NWS Mobile, AL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Mobile County, AL

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 4.3 hours before the alert went out and 170 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 528 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 746 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 155 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMOB 070423
FFWMOB
ALC097-070545-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1020 PM CST MON NOV 6 2000

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MOBILE COUNTY IN SOUTHWEST ALABAMA
  THIS INCLUDES THE CITIES OF...CHICKASAW...CITRONELLE...PRICHARD...
  SARALAND...TILLMANS CORNER
  
* UNTIL 1145 PM CST

* AT 1020 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY      
  HEAVY RAIN MOVING OVER THE CITY OF MOBILE. RAINFALL TOTALS 
  UP TO 3 INCHES PER HOUR CAN BE EXPECTED FROM THE CITY OF MOBILE 
  STRETCHING NORTHWARD TO CITIES OF PRICHARD...CHICKASAW AND
  SARALAND...AND SOUTHWARD OVER TILLSMANS CORNER DURING THE NEXT HOUR.    

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.

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 3135 8800 3057 8811 3055 8839 3135 8835

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 6, 8:40 PM CST	Severe Thunderstorm Warning	MOB	Mobile	35 min
Nov 6, 9:29 PM CST	Tornado Warning	MOB	Mobile	31 min
Nov 6, 10:03 PM CST	Tornado Warning	MOB	Mobile	27 min
Nov 6, 10:59 PM CST	Tornado Warning	MOB	Baldwin	31 min

Nearby

Flash Flood Warnings in Alabama, 2000 Every 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.