Alert archive / Alabama / Flash Flood Warnings in 2012
Flash Flood Warning 2, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Feb 18, 2012, 3:37 PM CST for 7 counties in Alabama; Escambia County, Florida. It was in force for 113 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Feb 18, 2012, 3:37 PM CST (21:37 UTC)
- Expired
- Feb 18, 2012, 5:30 PM CST
- In force
- 113 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Baldwin County, AL, Clarke County, AL, Conecuh County, AL, Escambia County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Escambia County, FL
The radar
The Mobile radar (KMOB), 56 km from the middle of the area, began a volume at 21:37 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 9.6 hours before the alert went out and 203 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
- 449 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
883
WGUS54 KMOB 182137
FFWMOB
ALC003-025-035-053-097-099-129-FLC033-182330-
/O.NEW.KMOB.FF.W.0002.120218T2137Z-120218T2330Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
337 PM CST SAT FEB 18 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
THIS INCLUDES THE CITY OF CENTURY...
EXTREME SOUTHWESTERN CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...
WESTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
THIS INCLUDES THE CITY OF ATMORE...
SOUTHWESTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
NORTHWESTERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...
THIS INCLUDES THE CITY OF BAY MINETTE...
SOUTH CENTRAL CLARKE COUNTY IN SOUTHWEST ALABAMA...
NORTHEASTERN MOBILE COUNTY IN SOUTHWEST ALABAMA...
THIS INCLUDES THE CITIES OF...SATSUMA...SARALAND...PRICHARD...
MOBILE...CREOLA...CHICKASAW...
SOUTHEASTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 530 PM CST
* AT 328 PM CST...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
THUNDERSTORMS STRETCHING FROM NEAR SATSUMA TO 15 MILES NORTHEAST OF
ATMORE...WITH THE INDIVIDUAL STORMS MOVING EAST AT 30 MPH. THE LINE
ITSELF WAS SAGGING SLOWLY SOUTH.
* THE THUNDERSTORMS PRODUCING VERY HEAVY RAIN ARE EXPECTED TO
AFFECT...
SATUMA...EASTWOOD..CARNEY...DYAS...PERDIDO...AND ATMORE AND NEARBY
AREAS THROUGH 5 PM.
ADDITIONAL RAINFALL AMOUNTS OF 1.5 TO 2.5 ARE POSSIBLE IN THE WARNED
AREA.
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 3065 8817 3118 8822 3141 8736 3093 8728
3091 8729
$$1 follow-up statement
555
WGUS74 KMOB 182325
FFSMOB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
525 PM CST SAT FEB 18 2012
ALC003-025-035-053-097-099-129-FLC033-182335-
/O.EXP.KMOB.FF.W.0002.000000T0000Z-120218T2330Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CONECUH AL-ESCAMBIA AL-MONROE AL-WASHINGTON AL-CLARKE AL-ESCAMBIA FL-
BALDWIN AL-MOBILE AL-
525 PM CST SAT FEB 18 2012
...THE FLASH FLOOD WARNING WILL EXPIRE AT 530 PM CST FOR NORTHEASTERN
MOBILE...NORTHWESTERN BALDWIN...NORTHWESTERN ESCAMBIA...SOUTH CENTRAL
CLARKE...SOUTHEASTERN WASHINGTON...SOUTHWESTERN MONROE...WESTERN
ESCAMBIA AND EXTREME SOUTHWESTERN CONECUH COUNTIES...
A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CST SUNDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
EVEN THOUGH THE HEAVY RAIN HAS MOVED EAST OF THE WARNED
AREA...PONDING OF WATER ON ROADWAYS AND LOW LYING AREAS IS STILL
LIKELY. PLEASE DRIVE WITH CAUTION. ALSO...REMAIN ALERT TO RISES ON
LOCAL STREAMS AND CREEKS.
LAT...LON 3065 8817 3118 8822 3141 8736 3093 8728
3091 8729
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 3:38 AM CST | Wind Advisory | MOB | 38 hr | |
| Feb 18, 1:56 PM CST | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 49 min |
| Feb 18, 2:28 PM CST | Flash Flood Warning | MOB | Mobile, Washington | 32 days |
| Feb 18, 3:13 PM CST | Severe Thunderstorm Warning | MOB | Baldwin, Conecuh, Escambia, Monroe | 47 min |
| Feb 18, 3:28 PM CST | Gale Warning | MOB | 21 hr | |
| Feb 18, 3:59 PM CST | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 61 min |
| Feb 18, 4:01 PM CST | Severe Thunderstorm Warning | MOB | Conecuh, Covington, Escambia | 44 min |
| Feb 18, 4:07 PM CST | Special Marine Warning | MOB | 83 min | |
| Feb 18, 4:19 PM CST | Flash Flood Warning | MOB | Baldwin, Mobile | 116 min |
| Feb 18, 4:21 PM CST | Tornado Warning | MOB | Mobile | 24 min |
| Feb 18, 4:25 PM CST | Areal Flood Advisory | MOB | Choctaw, Clarke, Monroe, Washington, Wilcox | 2 hr |
| Feb 18, 4:30 PM CST | Flash Flood Warning | MOB | Mobile, Washington | 60 min |
| Feb 18, 4:38 PM CST | Severe Thunderstorm Warning | MOB | Conecuh, Covington, Crenshaw, Escambia | 52 min |
| Feb 18, 4:52 PM CST | Flash Flood Warning | MOB | Baldwin | 113 min |
| Feb 18, 4:59 PM CST | Severe Thunderstorm Warning | MOB | Baldwin | 76 min |
| Feb 18, 5:13 PM CST | Flash Flood Warning | MOB | Baldwin, Butler, Conecuh, Covington, Crenshaw, Escambia | 2 hr |
| Feb 18, 5:17 PM CST | Tornado Warning | MOB | Baldwin | 28 min |
| Feb 18, 5:27 PM CST | Special Marine Warning | MOB | 93 min |
Nearby
Flash Flood Warnings in Alabama, 2012Flash Flood Warnings in Florida, 2012Every flash flood warning in 2012
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.