Alert archive / Alabama / Flash Flood Warnings in 2012
Flash Flood Warning 10, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Mar 22, 2012, 1:36 PM CDT for George County, Greene County, Mississippi; Clarke County, Mobile County, Washington County, Alabama. It was in force for 6 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 22, 2012, 1:36 PM CDT (18:36 UTC)
- Expired
- Mar 22, 2012, 7:30 PM CDT
- In force
- 6 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clarke County, AL, Mobile County, AL, Washington County, AL, George County, MS, Greene County, MS
The radar
The Mobile radar (KMOB), 51 km from the middle of the area, began a volume at 18:38 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 22, 3:00 PM CDT | FLASH FLOOD | Mcintosh, AL | SEVERAL ROADS FLOODED DUE TO HEAVY RAINFALL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 6.6 hours before the alert went out and 171 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.
970
WGUS54 KMOB 221836
FFWMOB
ALC025-097-129-MSC039-041-230030-
/O.NEW.KMOB.FF.W.0010.120322T1836Z-120323T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
136 PM CDT THU MAR 22 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
SOUTHEASTERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
SOUTH CENTRAL CLARKE COUNTY IN SOUTHWEST ALABAMA...
NORTHERN MOBILE COUNTY IN SOUTHWEST ALABAMA...
SOUTHERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 730 PM CDT
* AT 129 PM CDT...VERY HEAVY RAIN THAT HAS FALLEN FROM THUNDERSTORMS
DURING THE PAST THREE HOURS. SOME 3 TO 4 INCHES OF RAIN HAS FALLEN
DURING THE PAST THREE HOURS.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SIMS
CHAPEL...MOWA CHOCTAW RESERVATION...CALVERT...WAGARVILLE...VINEGAR
BEND...TIBBIE...MCINTOSH...MALCOLM...LEROY...FAIRFORD AND DEER PARK
AN ADDITIONAL TWO TO THREE INCHES OF RAIN MAY FALL OVER THE WARNED
AREA THIS AFTERNOON AND EARLY EVENING AS A SECOND LINE OF
THUNDERSTORMS SLOWLY APPROACHES FROM THE WEST AND INDIVIDUAL STORMS
REPEATEDLY MOVE OVER THE SAME 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 3097 8855 3111 8849 3137 8831 3156 8786
3134 8786 3118 8794 3094 8811 3084 8852
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 10:11 PM CDT | River Flood Warning | MOB | George, Greene, Perry | 9 days |
| Mar 22, 2:02 AM CDT | Flash Flood Warning | MOB | Stone | 3 hr |
| Mar 22, 2:04 AM CDT | Tornado Warning | MOB | Perry | 23 min |
| Mar 22, 3:31 AM CDT | Flash Flood Warning | MOB | Perry | 3 hr |
| Mar 22, 9:41 AM CDT | Flash Flood Warning | MOB | George, Greene, Perry, Stone, Wayne | 6 hr |
| Mar 22, 9:58 AM CDT | River Flood Warning | MOB | George, Greene, Jackson | 9 days |
| Mar 22, 10:00 AM CDT | River Flood Warning | MOB | George, Greene, Wayne | 9 days |
| Mar 22, 4:01 PM CDT | Areal Flood Warning | MOB | Greene, Wayne | 12 hr |
| 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, 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, 3:45 PM CDT | Flash Flood Warning | MOB | Baldwin, Clarke, Escambia, Mobile, Monroe, Washington | 6 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, 2012Flash Flood Warnings in Mississippi, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.