Alert archive / Alabama / Flash Flood Warnings in 2011
Flash Flood Warning 11, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Mar 9, 2011, 7:33 AM CST for Monroe 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
- Mar 9, 2011, 7:33 AM CST (13:33 UTC)
- Expired
- Mar 9, 2011, 1:30 PM CST
- In force
- 6 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Monroe County, AL
The radar
The Mobile radar (KMOB), 125 km from the middle of the area, began a volume at 13:34 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
Birmingham, AL (KBMX), launched 12:00Z, 1.6 hours before the alert went out and 190 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 467 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 743 m²/s²
- 0-3 km storm-relative helicity
- 1250 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
248
WGUS54 KMOB 091333
FFWMOB
ALC099-091930-
/O.NEW.KMOB.FF.W.0011.110309T1333Z-110309T1930Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
733 AM CST WED MAR 9 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
THIS INCLUDES THE CITIES OF...MONROEVILLE...FRISCO CITY...
* UNTIL 130 PM CST
* AT 730 AM CST...NATIONAL WEATHER SERVICE RADAR INDICATED A LARGE
AREA OF INTENSE SHOWERS AND THUNDERSTORMS MOVING INTO THE WARNED
AREA. VERY HEAVY RAIN WILL TRAIN ACROSS THE AREA WITH RAINFALL
TOTALS OF 2 TO 4 INCHES LIKELY OVER THE NEXT FEW HOURS.
THIS WILL RESULT IN THE FLASH FLOODING THREAT INCREASING RAPIDLY.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MIDWAY...
TURKESTAN...FRANKLIN...CORDUROY STATION...BEATRICE...AL 47 AND CR
29 RO AND AL 47 AND CR 29
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
REPORT FLASH FLOODING TO YOUR NATIONAL WEATHER SERVICE IN MOBILE AT
AREA CODE 2 5 1...AND THEN 6 3 3 6 4 4 3. OR...YOU MAY CONTACT YOUR
NEAREST LAW ENFORCEMENT AGENCY OR COUNTY EMERGENCY MANAGEMENT...AND
THEY WILL RELAY YOUR REPORT.
LAT...LON 3183 8692 3176 8692 3171 8705 3169 8705
3164 8714 3147 8719 3132 8737 3124 8756
3132 8778 3136 8775 3135 8772 3142 8769
3142 8760 3145 8756 3149 8756 3152 8761
3156 8756 3170 8756 3171 8751 3182 8752
$$
JFB2 follow-up statements
460
WGUS74 KMOB 091635
FFSMOB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1035 AM CST WED MAR 9 2011
ALC099-091930-
/O.CON.KMOB.FF.W.0011.000000T0000Z-110309T1930Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE AL-
1035 AM CST WED MAR 9 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 130 PM CST FOR
MONROE COUNTY...
AT 1026 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES
THAT 2 TO 7 INCHES OF RAIN HAS FALLEN ACROSS OVER MONROE
COUNTY...WITH THE HIGHEST AMOUNTS OF THE NORTHWESTERN AND SOUTHERN
PORTIONS OF THE COUNTY. WIDESPREAD RAIN CONTINUES TO FALL OVER THE
COUNTY AND IT MAY BECOME NECESSARY TO REPLACE THE FLASH FLOOD
WARNING WITH AN AREAL FLOOD WARNING SINCE THE DURATION OF THE
FLOODING WILL BE IN EXCESS OF 6 HOURS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST WEDNESDAY FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.
&&
LAT...LON 3183 8692 3176 8692 3171 8705 3169 8705
3164 8714 3147 8719 3132 8737 3124 8756
3132 8778 3136 8775 3135 8772 3142 8769
3142 8760 3145 8756 3149 8756 3152 8761
3156 8756 3170 8756 3171 8751 3182 8752
$$266
WGUS74 KMOB 091934
FFSMOB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
134 PM CST WED MAR 9 2011
ALC099-091943-
/O.EXP.KMOB.FF.W.0011.000000T0000Z-110309T1930Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE AL-
134 PM CST WED MAR 9 2011
...THE FLASH FLOOD WARNING HAS EXPIRED FOR MONROE COUNTY...
AT 130 PM CST...REPORTS FROM EMERGENCY MANAGEMENT AND LOCAL LAW
ENFORCEMENT INDICATE THAT THE FLOODED AREAS HAVE SUBSIDED...THUS THE
FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE.
LAT...LON 3183 8692 3176 8692 3171 8705 3169 8705
3164 8714 3147 8719 3132 8737 3124 8756
3132 8778 3136 8775 3135 8772 3142 8769
3142 8760 3145 8756 3149 8756 3152 8761
3156 8756 3170 8756 3171 8751 3182 8752
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 8, 7:11 PM CST | Severe Thunderstorm Warning | MOB | Mobile, Washington | 34 min |
| Mar 8, 8:23 PM CST | Severe Thunderstorm Warning | MOB | Washington | 37 min |
| Mar 8, 9:04 PM CST | Severe Thunderstorm Warning | MOB | Clarke, Washington | 41 min |
| Mar 8, 9:44 PM CST | Severe Thunderstorm Warning | MOB | Clarke, Washington, Wilcox | 46 min |
| Mar 9, 1:32 AM CST | Flash Flood Warning | MOB | Choctaw | 118 min |
| Mar 9, 4:20 AM CST | Flash Flood Warning | MOB | Choctaw | 6 hr |
| Mar 9, 4:22 AM CST | Severe Thunderstorm Warning | MOB | Choctaw | 38 min |
| Mar 9, 4:32 AM CST | Tornado Warning | MOB | Choctaw | 33 min |
| Mar 9, 5:07 AM CST | Flash Flood Warning | MOB | Choctaw | 6 hr |
| Mar 9, 5:40 AM CST | Tornado Warning | MOB | Choctaw, Clarke | 33 min |
| Mar 9, 5:51 AM CST | Flash Flood Warning | MOB | Clarke, Washington, Wilcox | 6 hr |
| Mar 9, 6:37 AM CST | Tornado Warning | MOB | Washington | 17 min |
| Mar 9, 7:08 AM CST | Severe Thunderstorm Warning | MOB | Baldwin, Mobile, Washington | 52 min |
| Mar 9, 7:26 AM CST | Flash Flood Warning | MOB | Baldwin, Clarke, Mobile, Washington | 6 hr |
| Mar 9, 7:52 AM CST | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 83 min |
| Mar 9, 7:54 AM CST | Special Marine Warning | MOB | 81 min | |
| Mar 9, 8:01 AM CST | Tornado Warning | MOB | Baldwin, Mobile | 44 min |
| Mar 9, 8:14 AM CST | Severe Thunderstorm Warning | MOB | Conecuh, Covington, Escambia | 61 min |
| Mar 9, 8:27 AM CST | Tornado Warning | MOB | Baldwin, Mobile | 63 min |
| Mar 9, 8:35 AM CST | Tornado Warning | MOB | Conecuh, Covington, Escambia | 40 min |
| Mar 9, 8:41 AM CST | Flash Flood Warning | MOB | Baldwin, Mobile | 4 hr |
| Mar 9, 8:48 AM CST | Flash Flood Warning | MOB | Conecuh, Escambia | 5 hr |
| Mar 9, 8:50 AM CST | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Covington, Crenshaw | 40 min |
| Mar 9, 9:02 AM CST | Severe Thunderstorm Warning | MOB | Baldwin, Escambia | 58 min |
| Mar 9, 9:10 AM CST | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Covington, Crenshaw, Escambia | 65 min |
| Mar 9, 9:10 AM CST | Tornado Warning | MOB | Baldwin | 50 min |
| Mar 9, 9:16 AM CST | Tornado Warning | MOB | Baldwin | 44 min |
| Mar 9, 9:16 AM CST | Tornado Warning | MOB | Covington | 59 min |
| Mar 9, 9:19 AM CST | Special Marine Warning | MOB | 116 min | |
| Mar 9, 9:23 AM CST | Special Marine Warning | MOB | 97 min | |
| Mar 9, 9:25 AM CST | Flash Flood Warning | MOB | Baldwin | 6 hr |
| Mar 9, 9:26 AM CST | Tornado Warning | MOB | Baldwin, Escambia | 49 min |
| Mar 9, 9:26 AM CST | Tornado Warning | MOB | Covington, Crenshaw | 26 min |
| Mar 9, 9:36 AM CST | Flash Flood Warning | MOB | Conecuh, Covington, Escambia | 114 min |
| Mar 9, 9:40 AM CST | Tornado Warning | MOB | Baldwin | 50 min |
| Mar 9, 9:44 AM CST | Areal Flood Advisory | MOB | Butler, Conecuh, Covington, Crenshaw | 4 hr |
| Mar 9, 9:54 AM CST | Tornado Warning | MOB | Covington | 25 min |
| Mar 9, 10:09 AM CST | Severe Thunderstorm Warning | MOB | Covington | 66 min |
| Mar 9, 10:22 AM CST | Areal Flood Warning | MOB | Choctaw | 5 hr |
| Mar 9, 10:55 AM CST | Special Marine Warning | MOB | 80 min | |
| Mar 9, 11:00 AM CST | Areal Flood Warning | MOB | Choctaw | 5 hr |
| Mar 9, 11:14 AM CST | Tornado Warning | MOB | Baldwin | 61 min |
| Mar 9, 11:30 AM CST | River Flood Warning | MOB | Clarke, Monroe, Wilcox | 10 days |
| Mar 9, 11:54 AM CST | Areal Flood Advisory | MOB | Conecuh, Covington, Escambia | 111 min |
| Mar 9, 11:58 AM CST | Special Marine Warning | MOB | 2 hr | |
| Mar 9, 12:00 PM CST | Areal Flood Warning | MOB | Clarke, Washington, Wilcox | 4 hr |
| Mar 9, 2:02 PM CST | Special Marine Warning | MOB | 58 min |
Nearby
Flash Flood Warnings in Alabama, 2011Every flash flood warning in 2011
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.