Alert archive / Alabama / Flash Flood Warnings in 2012
Flash Flood Warning 11, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Mar 22, 2012, 3:45 PM CDT for 6 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 as issued.
The facts
- Issued
- Mar 22, 2012, 3:45 PM CDT (20:45 UTC)
- Expired
- Mar 22, 2012, 9:45 PM CDT
- In force
- 6 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Baldwin County, AL, Clarke County, AL, Escambia County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL
The radar
The Mobile radar (KMOB), 52 km from the middle of the area, began a volume at 20:47 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, 8.8 hours before the alert went out and 192 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
- 2 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 438 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 377 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.3
The text
As transmitted, in the capitals the NWS used until 2016.
314
WGUS54 KMOB 222045
FFWMOB
ALC003-025-053-097-099-129-230245-
/O.NEW.KMOB.FF.W.0011.120322T2045Z-120323T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
345 PM CDT THU MAR 22 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
WESTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
NORTHWESTERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...
SOUTHEASTERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
NORTHEASTERN MOBILE COUNTY IN SOUTHWEST ALABAMA...
SOUTHEASTERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 945 PM CDT
* AT 336 PM CDT...RADAR INDICATED VERY HEAVY RAIN THAT HAS FALLEN
FROM SLOW MOVING THUNDERSTORMS FROM NEAR GROVE HILL TO MCINTOSH TO
PRICHARD ALABAMA. FOUR TO FIVE INCHES OF RAIN HAS FALLEN SINCE 1 PM
ALONG AND TO THE WEST OF THIS LINE. THESE STORMS WILL CONTINUE
MOVING SLOWLY EAST AS INDIVIDUAL CELLS REPEATEDLY MOVE OVER THE
SAME AREAS.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MOWA
CHOCTAW RESERVATION...ROCKVILLE...CALVERT...WHATLEY...WALKER
SPRINGS...CARLTON...URIAH...MCINTOSH...MALCOLM...LEROY AND FAIRFORD
RAINFALL AMOUNTS OF 4 TO 5 INCHES PER THREE HOURS IS POSSIBLE IN THE
WARNED AREAS AS WELL AS 2.5 TO 3.5 INCHES OF RAIN IN AN HOUR.
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 3073 8817 3084 8826 3099 8825 3162 8791
3175 8746 3132 8749 3090 8765 3070 8801
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 22, 8:50 AM CDT | Severe Thunderstorm Warning | MOB | Washington | 55 min |
| Mar 22, 10:26 AM CDT | Special Marine Warning | MOB | 49 min | |
| Mar 22, 11:00 AM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 45 min |
| Mar 22, 11:13 AM CDT | Special Marine Warning | MOB | 2 hr | |
| Mar 22, 11:38 AM CDT | Severe Thunderstorm Warning | MOB | Clarke, Washington | 67 min |
| Mar 22, 1:05 PM CDT | Special Marine Warning | MOB | 115 min | |
| Mar 22, 1:36 PM CDT | Flash Flood Warning | MOB | Clarke, Mobile, Washington | 6 hr |
| Mar 22, 2:53 PM CDT | Areal Flood Advisory | MOB | Mobile | 3 hr |
| Mar 22, 3:17 PM CDT | Special Marine Warning | MOB | 43 min | |
| Mar 22, 4:01 PM CDT | Areal Flood Warning | MOB | Choctaw, Clarke, Washington | 12 hr |
| Mar 22, 4:25 PM CDT | Severe Thunderstorm Warning | MOB | Wilcox | 50 min |
| Mar 22, 5:43 PM CDT | Special Marine Warning | MOB | 62 min | |
| Mar 22, 6:46 PM CDT | Special Marine Warning | MOB | 89 min | |
| Mar 22, 6:51 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Conecuh, Escambia, Monroe | 54 min |
Nearby
Flash Flood Warnings in Alabama, 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.