Alert archive / Alabama / Flash Flood Warnings in 2012
Flash Flood Warning 21, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Jun 11, 2012, 8:55 AM CDT for Baldwin County, 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
- Jun 11, 2012, 8:55 AM CDT (13:55 UTC)
- Expired
- Jun 11, 2012, 2:45 PM CDT
- In force
- 6 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Baldwin County, AL
The radar
The Mobile radar (KMOB), 50 km from the middle of the area, began a volume at 13:55 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, 1.9 hours before the alert went out and 197 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
- 3562 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 443 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
449
WGUS54 KMOB 111355
FFWMOB
ALC003-111945-
/O.NEW.KMOB.FF.W.0021.120611T1355Z-120611T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
855 AM CDT MON JUN 11 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL BALDWIN COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 245 PM CDT
* AT 845 AM CDT...EMERGENCY MANAGEMENT OFFICIALS REPORTED FLASH
FLOODING OVER THE WARNED AREA AND RADAR ESTIMATES SHOW 2 TO 3
INCHES OF RAINFALL HAS OCCURRED OVER THE PAST HOUR...AND UP TO 7
INCHES SINCE 5 AM. THIS IS CAUSING EXTREMELY DANGEROUS FLASH
FLOODING IN THE WARNED AREA.
* FLASH FLOODING IS ESPECIALLY BAD IN THE BAY MINETTE AREA
DOWNSTREAM OF THE VERY HEAVY RAIN. THE BALDWIN COUNTY EMERGENCY
MANAGER HAS REPORTED THAT HOME EVACUATIONS HAVE BEGUN NEAR HIGHWAY
31 AND HURRICANE ROAD.
* LOCATIONS IMPACTED INCLUDE...
STAPLETON... I65 AND AL 59... I65 AND AL 225...
BAY MINETTE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A VERY DANGEROUS AND LIFE THREATENING FLOODING SITUATION. YOU
SHOULD NOT ATTEMPT TO TRAVEL. STAY HOME UNLESS YOU ARE FORCED TO
EVACUATE TO HIGHER GROUND.
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 3079 8793 3095 8789 3095 8788 3095 8787
3096 8762 3087 8763 3084 8762 3078 8756
3071 8770
$$
PURDYThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 8:47 PM CDT | River Flood Warning | MOB | Mobile | 30 hr |
| Jun 11, 5:47 AM CDT | Areal Flood Advisory | MOB | Baldwin | 118 min |
| Jun 11, 6:43 AM CDT | Areal Flood Advisory | MOB | Baldwin, Mobile | 2 hr |
| Jun 11, 3:28 PM CDT | Severe Thunderstorm Warning | MOB | Conecuh, Escambia, Monroe | 62 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.