Alert archive / Alabama / Flash Flood Warnings in 2012
Flash Flood Warning 20, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Jun 10, 2012, 3:07 AM CDT for Mobile County, Alabama. It was in force for 4 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 10, 2012, 3:07 AM CDT (08:07 UTC)
- Expired
- Jun 10, 2012, 7:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Mobile County, AL
The radar
The Mobile radar (KMOB), 15 km from the middle of the area, began a volume at 08:07 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 00:00Z, 8.1 hours before the alert went out and 162 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
- 708 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 465 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
372
WGUS54 KMOB 100807
FFWMOB
ALC097-101200-
/O.NEW.KMOB.FF.W.0020.120610T0807Z-120610T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
307 AM CDT SUN JUN 10 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MOBILE COUNTY IN SOUTHWEST ALABAMA...
* UNTIL 700 AM CDT
* AT 306 AM CDT...SHOWERS AND THUNDERSTORMS WERE LOCATED FROM NEAR
BAYOU LE BATRE...TO TILLMANS CORNER...TO WEST MOBILE...TO NEAR
SARALAND. VERY HEAVY RAINFALL WAS INDICATED OVER THE WARNED
AREA AND RADAR ESTIMATES SHOW 1 TO 2 INCHES OF RAINFALL HAS
OCCURRED OVER THE PAST HOUR WHICH HAS FALLEN ON THE ALREADY
SATURATED GROUND. THIS HEAVY RAINFALL WILL LIKELY CAUSE FLASH
FLOODING IN THE WARNED AREA.
* LOCATIONS IMPACTED INCLUDE...
DOWNTOWN MOBILE... MIDTOWN MOBILE... WEST MOBILE...
CODEN... TILLMANS CORNER... THEODORE...
TANNER WILLIAMS... SEMMES... SATSUMA...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 3040 8834 3095 8837 3098 8794 3090 8796
3088 8799 3086 8797 3079 8799 3076 8803
3074 8801 3064 8803 3063 8805 3059 8805
3057 8808 3053 8807 3051 8809 3037 8810
$$1 follow-up statement
221
WGUS74 KMOB 101052
FFSMOB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
552 AM CDT SUN JUN 10 2012
ALC097-101200-
/O.CON.KMOB.FF.W.0020.000000T0000Z-120610T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOBILE AL-
552 AM CDT SUN JUN 10 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 AM CDT FOR
MOBILE COUNTY...
AT 544 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS AND THUNDERSTORMS CAPABLE OF PRODUCING VERY HEAVY RAINFALL
MOVING BACK INTO SOUTHERN MOBILE COUNTY...EXTENDING FROM NEAR GRAND
BAY TO TILLMANS CORNER. ADDITIONAL SHOWERS AND STORMS MAY DEVELOP
AND TRAIN ACROSS THE WARNING AREA. HEAVY RAINS FALLING OVER ALREADY
SATURATED GROUND MAY LEAD TO FLASH FLOODING IN THE WARNED AREA.
LOCATIONS IMPACTED INCLUDE...
DOWNTOWN MOBILE... MIDTOWN MOBILE... WEST MOBILE...
TILLMANS CORNER... THEODORE... TANNER WILLIAMS...
SEMMES... SATSUMA... SARALAND...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
NEVER TRY TO CROSS OR PLAY IN AN URBAN SPILLWAY OR FLOWING CREEK...
EVEN A SMALL ONE. URBAN FLASH FLOODING IS A MAJOR KILLER.
&&
LAT...LON 3040 8834 3095 8837 3098 8794 3090 8796
3088 8799 3086 8797 3079 8799 3076 8803
3074 8801 3064 8803 3063 8805 3059 8805
3057 8808 3053 8807 3051 8809 3037 8810
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 5:28 AM CDT | Rip Current Statement | MOB | 39 hr | |
| Jun 10, 7:50 AM CDT | Small Craft Advisory | MOB | 24 hr | |
| Jun 10, 8:40 AM CDT | Special Marine Warning | MOB | 95 min | |
| Jun 10, 9:02 AM CDT | Areal Flood Advisory | MOB | Baldwin, Mobile, Washington | 118 min |
| Jun 10, 9:12 AM CDT | Special Marine Warning | MOB | 93 min | |
| Jun 10, 9:50 AM CDT | Tornado Warning | MOB | Covington | 40 min |
| Jun 10, 10:56 AM CDT | Special Marine Warning | MOB | 2 hr | |
| Jun 10, 12:39 PM CDT | Special Marine Warning | MOB | 51 min | |
| Jun 10, 12:42 PM CDT | Tornado Warning | MOB | Covington | 18 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.