Alert archive / Alabama / Flash Flood Warnings in 2009
Flash Flood Warning 77, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Dec 18, 2009, 7:32 AM CST for Choctaw County, Clarke County, Alabama; Wayne County, Mississippi. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Dec 18, 2009, 7:32 AM CST (13:32 UTC)
- Expired
- Dec 18, 2009, 10:07 AM CST
- In force
- 3 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Choctaw County, AL, Clarke County, AL, Wayne County, MS
The radar
The Mobile radar (KMOB), 152 km from the middle of the area, began a volume at 13:34 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
Birmingham, AL (KBMX), launched 12:00Z, 1.5 hours before the alert went out and 180 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 497 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 265 m²/s²
- 0-3 km storm-relative helicity
- 557 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KMOB 181332
FFWMOB
ALC023-025-MSC153-181630-
/O.NEW.KMOB.FF.W.0077.091218T1332Z-091218T1630Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
732 AM CST FRI DEC 18 2009
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
THIS INCLUDES THE CITY OF WAYNESBORO...
CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
THIS INCLUDES THE CITY OF BUTLER...
NORTHERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
THIS INCLUDES THE CITY OF GROVE HILL...
* UNTIL 1030 AM CST
* AT 730 AM CST...NATIONAL WEATHER SERVICE RADAR INDICATED VERY HEAVY
RAIN OVER THE WARNED AREA WHICH HAS PRODUCED 2 TO 4 INCHES OF
RAINFALL. AN ADDITIONAL 1 TO 2 INCHES IS POSSIBLE BEFORE THE RAIN
ENDS.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO YANTLEY...
ROCK SPRINGS...ROBJOHN...RIDERWOOD...PUSHMATAHA...PENNINGTON...
OAKCHIA...NAHEOLA...MT STERLING...LISMAN...LAVACA...JACHIN...INDIAN
SPRINGS...HINTON...HALSELL...EDNA...DEAS...CYRIL...CROMWELL AND
CHOCTAW CITY
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. MOVE TO HIGHER GROUND.
TO REPORT FLASH FLOODING TO YOUR NATIONAL WEATHER SERVICE...CALL TOLL
FREE AT 1 8 7 7 6 3 3 6 7 7 2.
LAT...LON 3231 8792 3229 8793 3230 8798 3230 8799
3228 8801 3216 8800 3214 8804 3209 8804
3206 8811 3201 8811 3200 8773 3164 8761
3172 8811 3172 8845 3145 8893 3183 8893
3185 8863 3189 8848 3230 8843 3232 8793
$$2 follow-up statements
000
WGUS74 KMOB 181450
FFSMOB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
850 AM CST FRI DEC 18 2009
ALC023-025-MSC153-181630-
/O.CON.KMOB.FF.W.0077.000000T0000Z-091218T1630Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARKE AL-CHOCTAW AL-WAYNE MS-
850 AM CST FRI DEC 18 2009
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 AM CST FOR
NORTHWESTERN WAYNE...CHOCTAW AND NORTHERN CLARKE COUNTIES...
AT 842 AM CST...NWS DOPPLER RADAR INDICATED AN AREA OF LIGHT TO
MODERATE RAINFALL MOVING ACROSS THE AFFECTED AREAS. THIS WILL
CONTINUE THROUGH MID MORNING AND EVENTUALLY END FROM THE WEST.
RAINFALL RATES WILL MOSTLY RANGE UNDER A QUARTER INCH PER HOUR.
IT APPEARS AROUND THREE TO THREE AND ONE-HALF INCHES OF RAIN IN
SIX HOURS IS ENOUGH TO BEGIN FLASH FLOODING. RADAR ESTIMATES
AMOUNTS OVER THE PAST SIX HOURS...ENDING AT 830 AM CST...HAVE BEEN
SLIGHTLY IN EXCESS OF THIS BUT NO REPORTS OF FLASH FLOODING HAVE YET
BEEN RECEIVED.
THE FLASH FLOOD WARNING WILL REMAIN IN EFFECT UNTIL THE RAINFALL
ENDS AND WE HAVE VERIFIED THAT NO REPORTS OF FLOODING HAVE OCCURRED.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO YANTLEY...
ROCK SPRINGS...ROBJOHN...RIDERWOOD...PUSHMATAHA...PENNINGTON...
OAKCHIA...NAHEOLA...MT STERLING...LISMAN...LAVACA...JACHIN...INDIAN
SPRINGS...HINTON...HALSELL...EDNA...DEAS...CYRIL...CROMWELL...CHOCTAW
CITY AND BUTLER
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT FLASH FLOODING TO YOUR NATIONAL WEATHER SERVICE...CALL TOLL
FREE AT 1 8 7 7 6 3 3 6 7 7 2.
&&
LAT...LON 3231 8792 3229 8793 3230 8798 3230 8799
3228 8801 3216 8800 3214 8804 3209 8804
3206 8811 3201 8811 3200 8773 3164 8761
3172 8811 3172 8845 3145 8893 3183 8893
3185 8863 3189 8848 3230 8843 3232 8793
$$000
WGUS74 KMOB 181607
FFSMOB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1007 AM CST FRI DEC 18 2009
ALC023-025-MSC153-181617-
/O.CAN.KMOB.FF.W.0077.000000T0000Z-091218T1630Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARKE AL-CHOCTAW AL-WAYNE MS-
1007 AM CST FRI DEC 18 2009
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHWESTERN
WAYNE...CHOCTAW AND NORTHERN CLARKE COUNTIES...
TO REPORT FLASH FLOODING TO YOUR NATIONAL WEATHER SERVICE...CALL TOLL
FREE AT 1 8 7 7 6 3 3 6 7 7 2.
LAT...LON 3231 8792 3229 8793 3230 8798 3230 8799
3228 8801 3216 8800 3214 8804 3209 8804
3206 8811 3201 8811 3200 8773 3164 8761
3172 8811 3172 8845 3145 8893 3183 8893
3185 8863 3189 8848 3230 8843 3232 8793
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 8:54 PM CST | River Flood Warning | MOB | Escambia | 12 hr |
| Dec 17, 8:54 PM CST | River Flood Warning | MOB | Covington, Escambia | 12 hr |
| Dec 18, 3:44 AM CST | Flash Flood Warning | MOB | Choctaw, Clarke | 4 hr |
| Dec 18, 7:19 AM CST | Special Marine Warning | MOB | 86 min | |
| Dec 18, 8:45 AM CST | River Flood Warning | MOB | Dallas, Monroe, Wilcox | 6 days |
| Dec 18, 9:35 AM CST | River Flood Warning | MOB | Baldwin, Mobile | 8 days |
Nearby
Flash Flood Warnings in Alabama, 2009Flash Flood Warnings in Mississippi, 2009Every flash flood warning in 2009
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.