Alert archive / Mississippi / Flash Flood Warnings in 2012
Flash Flood Warning 26, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Aug 29, 2012, 2:52 PM CDT for 4 counties in Mississippi; Mobile 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
- Aug 29, 2012, 2:52 PM CDT (19:52 UTC)
- Expired
- Aug 29, 2012, 8:45 PM CDT
- In force
- 6 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Mobile County, AL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS
The radar
The Mobile radar (KMOB), 39 km from the middle of the area, began a volume at 19:52 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 |
|---|---|---|---|
| Aug 29, 5:00 PM CDT | FLOOD | 9 Wsw Basin, MS | EMERGENCY MANAGER REPORTED RED CREEK WAS BANK FULL AND RISING. |
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, 7.9 hours before the alert went out and 120 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
- 625 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 465 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 298 m²/s²
- 0-3 km storm-relative helicity
- 338 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 8.7
The text
As transmitted, in the capitals the NWS used until 2016.
186
WGUS54 KMOB 291952
FFWMOB
ALC097-MSC039-041-111-131-300145-
/O.NEW.KMOB.FF.W.0026.120829T1952Z-120830T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
252 PM CDT WED AUG 29 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
STONE COUNTY IN SOUTHEAST MISSISSIPPI...
MOBILE COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 845 PM CDT
* AT 250 PM CDT...VERY HEAVY RAINFALL CONTINUED TO SPREAD OVER THE
WARNED AREA AS PERSISTENT HEAVY RAIN BANDS MOVE FROM SOUTHEAST TO
NORTHWEST. RADAR ESTIMATES SHOW 1 TO 3 INCHES OF RAIN HAS FALLEN
OVER THE PAST FEW HOURS...WHICH HAS FALLEN ON ALREADY SATURATED
GROUND. STORM TOTALS OF 4 TO 7 INCHES HAVE BEEN REPORTED IN SOUTHERN
AND CENTRAL PORTIONS OF MOBILE COUNTY AND PORTIONS OF GEORGE...
STONE...AND PERRY COUNTIES. THESE FACTORS WILL LIKELY CAUSE FLASH
FLOODING IN THE WARNED AREA.
* LOCATIONS IMPACTED INCLUDE...
REGIONAL AIRPORT IN WEST MOBILE... MIDTOWN MOBILE...
DOWNTOWN MOBILE... CODEN... TILLMANS CORNER...
THEODORE... SEMMES... SATSUMA...
SARALAND... WIGGINS... LUCEDALE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT OR OCCURRING. SEEK
HIGHER GROUND IMMEDIATELY. DO NOT DRIVE OR WALK INTO AREAS WHERE
WATER CROSSES A ROAD. TURN AROUND - DON'T DROWN!
&&
LAT...LON 3091 8935 3092 8914 3142 8915 3143 8845
3112 8843 3113 8832 3098 8801 3081 8798
3078 8802 3071 8801 3057 8808 3033 8812
3039 8833 3039 8840 3073 8842 3073 8888
3067 8889 3067 8923 3064 8924 3065 8935
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 11:46 PM CDT | Areal Flood Advisory | MOB | George | 119 min |
| Aug 29, 5:33 AM CDT | Tornado Warning | MOB | George, Stone | 27 min |
| Aug 29, 7:51 AM CDT | Tornado Warning | MOB | George, Perry, Stone | 39 min |
| Aug 29, 8:46 AM CDT | Flash Flood Warning | MOB | George, Greene, Perry, Stone | 6 hr |
| Aug 29, 9:36 AM CDT | Tornado Warning | MOB | George, Greene, Perry | 39 min |
| Aug 29, 10:18 AM CDT | Wind Advisory | MOB | George, Greene, Perry, Stone | 14 hr |
| Aug 29, 12:35 PM CDT | Tornado Warning | MOB | Greene, Perry, Wayne | 40 min |
| Aug 29, 1:17 PM CDT | Tornado Warning | MOB | Greene, Perry, Wayne | 36 min |
| Aug 29, 1:27 PM CDT | Tornado Warning | MOB | Stone | 48 min |
| Aug 28, 9:21 PM CDT | River Flood Warning | MOB | Mobile | 9 hr |
| Aug 28, 11:49 PM CDT | Areal Flood Advisory | MOB | Baldwin | 116 min |
| Aug 29, 12:49 AM CDT | Tornado Warning | MOB | Baldwin, Mobile | 29 min |
| Aug 29, 1:49 AM CDT | Areal Flood Advisory | MOB | Mobile | 116 min |
| Aug 29, 9:24 AM CDT | River Flood Warning | MOB | Mobile | 31 hr |
| Aug 29, 10:04 AM CDT | High Surf Warning | MOB | 30 hr |
Nearby
Flash Flood Warnings in Mississippi, 2012Flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.