Alert archive / Alabama / Flash Flood Watches in 2012
Flash Flood Watch 2, NWS Mobile, AL
NWS Mobile, AL issued this flash flood watch at May 3, 2012, 4:16 AM CDT for 10 counties in Alabama; George County, Greene County, Wayne County, Mississippi. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- May 3, 2012, 4:16 AM CDT (09:16 UTC)
- Expired
- May 3, 2012, 2:20 PM CDT
- In force
- 10 hr
- Issued by
- NWS Mobile, AL
- Flood severity
- None
Counties Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, George County, MS, Greene County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 112 km from the middle of the area, began a volume at 09:19 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 00:00Z, 9.3 hours before the alert went out and 200 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
- 1350 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1384 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
352 WGUS64 KMOB 030916 FFAMOB URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE MOBILE AL 416 AM CDT THU MAY 3 2012 ...A FLASH FLOOD WATCH IS IN EFFECT FOR PORTIONS OF SOUTHEASTERN MISSISSIPPI...ALL OF SOUTHWEST AND SOUTH CENTRAL ALABAMA...AND THE WESTERN FLORIDA PANHANDLE UNTIL 7 PM CDT THIS EVENING... .AN UPPER LEVEL TROUGH OF LOW PRESSURE WILL SLOWLY MOVE ACROSS THE REGION TODAY...AND WILL INTERACT WITH DEEP MOISTURE TO PRODUCE NUMEROUS SHOWERS AND THUNDERSTORMS CAPABLE OF PRODUCING VERY HEAVY RAINS. RAINFALL AMOUNTS OF 2 TO 4 INCHES...WITH LOCALIZED HIGHER AMOUNTS WILL BE POSSIBLE...PARTICULARLY WHERE THUNDERSTORMS TRAIN OVER THE SAME LOCATIONS. EXCESSIVE RUNOFF FROM HEAVY RAINS MAY RESULT IN FLASH FLOODING. ALZ051>064-FLZ001>006-MSZ067-076-079-031815- /O.NEW.KMOB.FF.A.0002.120503T0916Z-120504T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE- LOWER BALDWIN-INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-WAYNE-GREENE- GEORGE- INCLUDING THE CITIES OF...BUTLER...LISMAN...SILAS...CHATOM... MILLRY...JACKSON...THOMASVILLE...GROVE HILL...CAMDEN... PINE HILL...HOMEWOOD...MONROEVILLE...EVERGREEN...GREENVILLE... LUVERNE...BRANTLEY...ATMORE...BREWTON...EAST BREWTON... ANDALUSIA...OPP...MOBILE...PRICHARD...SARALAND...BAY MINETTE... TILLMANS CORNER...THEODORE...DAPHNE...FAIRHOPE...FOLEY... SPANISH FORT...CENTURY...FLOMATON...MOLINO...FERRY PASS...BRENT... WEST PENSACOLA...BELLVIEW...ENSLEY...MYRTLE GROVE...JAY...PACE... MILTON...CRESTVIEW...WRIGHT...NICEVILLE...SEMINOLE...EGLIN AFB... WAYNESBORO...LEAKESVILLE...MCLAIN...LUCEDALE 416 AM CDT THU MAY 3 2012 ...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING... THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * FLASH FLOOD WATCH FOR PORTIONS OF ALABAMA...THE WESTERN FLORIDA PANHANDLE AND SOUTHEAST MISSISSIPPI...INCLUDING THE FOLLOWING AREAS...IN ALABAMA...BUTLER...CHOCTAW...CLARKE...CONECUH... COVINGTON...CRENSHAW...ESCAMBIA...LOWER BALDWIN...LOWER MOBILE... MONROE...UPPER BALDWIN...UPPER MOBILE...WASHINGTON AND WILCOX. IN THE WESTERN FLORIDA PANHANDLE...COASTAL ESCAMBIA...COASTAL OKALOOSA...COASTAL SANTA ROSA...INLAND ESCAMBIA...INLAND OKALOOSA AND INLAND SANTA ROSA. IN SOUTHEAST MISSISSIPPI...GEORGE...GREENE AND WAYNE. * THROUGH EARLY THIS EVENING * HEAVY RAINFALL WILL LIKELY IMPACT MUCH OF SOUTHEAST MISSISSIPPI... SOUTHWEST AND SOUTH CENTRAL ALABAMA AND THE WESTERN FLORIDA PANHANDLE AS A SLOW MOVING UPPER LEVEL STORM SYSTEM INTERACTS WITH A VERY MOIST AIRMASS ACROSS THE REGION TODAY. RAINFALL AMOUNTS OF 2 TO 4 INCHES...WITH LOCALIZED HIGHER AMOUNTS WILL BE POSSIBLE ACROSS THE WATCH AREA TODAY. EXCESSIVE RUNOFF FROM HEAVY RAINS MAY RESULT IN FLASH FLOODING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
1 follow-up statement
474 WGUS64 KMOB 031920 FFAMOB FLOOD WATCH NATIONAL WEATHER SERVICE MOBILE AL 220 PM CDT THU MAY 3 2012 ...THE FLASH FLOOD WATCH THAT WAS IN EFFECT FOR PORTIONS OF SOUTHEASTERN MISSISSIPPI...ALL OF SOUTHWEST AND SOUTH CENTRAL ALABAMA...AND THE WESTERN FLORIDA PANHANDLE UNTIL 7 PM CDT THIS EVENING HAS BEEN CANCELLED... .AN UPPER LEVEL LOW AND ASSOCIATED TROUGH OF LOW PRESSURE WILL LIFT NORTH AND EAST AWAY FROM THE REGION THROUGH TONIGHT. WHILE THIS WILL CONTINUE TO BRING A MOIST SOUTHEASTERLY FLOW ACROSS THE REGION...RAIN CHANCES WILL BE DIMINISHING AS MID TO UPPER LEVEL HIGH PRESSURE BEGINS TO RIDGE INTO THE REGION FROM THE WEST. SOME SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE THROUGH TONIGHT...SOME WITH LOCALLY HEAVY RAIN...BUT THE THREAT OF WIDESPREAD HEAVY RAINFALL OVER THE REGION HAS ENDED. ALZ051>064-FLZ001>006-MSZ067-076-079-032030- /O.CAN.KMOB.FF.A.0002.000000T0000Z-120504T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE- LOWER BALDWIN-INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-WAYNE-GREENE- GEORGE- INCLUDING THE CITIES OF...BUTLER...LISMAN...SILAS...CHATOM... MILLRY...JACKSON...THOMASVILLE...GROVE HILL...CAMDEN... PINE HILL...HOMEWOOD...MONROEVILLE...EVERGREEN...GREENVILLE... LUVERNE...BRANTLEY...ATMORE...BREWTON...EAST BREWTON... ANDALUSIA...OPP...MOBILE...PRICHARD...SARALAND...BAY MINETTE... TILLMANS CORNER...THEODORE...DAPHNE...FAIRHOPE...FOLEY... SPANISH FORT...CENTURY...FLOMATON...MOLINO...FERRY PASS...BRENT... WEST PENSACOLA...BELLVIEW...ENSLEY...MYRTLE GROVE...JAY...PACE... MILTON...CRESTVIEW...WRIGHT...NICEVILLE...SEMINOLE...EGLIN AFB... WAYNESBORO...LEAKESVILLE...MCLAIN...LUCEDALE 220 PM CDT THU MAY 3 2012 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF ALABAMA...NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI HAS BEEN CANCELLED. AN UPPER LEVEL LOW AND ASSOCIATED TROUGH OF LOW PRESSURE WILL LIFT NORTH AND EAST AWAY FROM THE REGION THROUGH TONIGHT. WHILE THIS WILL CONTINUE TO BRING A MOIST SOUTHEASTERLY FLOW ACROSS THE REGION...RAIN CHANCES WILL BE DIMINISHING AS MID TO UPPER LEVEL HIGH PRESSURE BEGINS TO RIDGE INTO THE REGION FROM THE WEST. SOME SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE THROUGH TONIGHT...SOME WITH LOCALLY HEAVY RAIN...BUT THE THREAT OF WIDESPREAD HEAVY RAINFALL OVER THE REGION HAS ENDED. $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 8:15 PM CDT | Areal Flood Warning | MOB | Baldwin, Mobile | 8 hr |
| May 2, 9:59 PM CDT | River Flood Warning | MOB | Mobile | 16 hr |
| May 3, 2:02 PM CDT | Rip Current Statement | MOB | 5 hr |
Nearby
Flash Flood Watches in Alabama, 2012Flash Flood Watches in Mississippi, 2012Flash Flood Watches in Florida, 2012Every flash flood watch 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.