Alert archive / Alabama / Flash Flood Watches in 2009

Flash Flood Watch 10, NWS Mobile, AL

November 30, 20099 counties in Alabama; 4 counties in Mississippi

NWS Mobile, AL issued this flash flood watch at Nov 30, 2009, 3:54 PM CST for 9 counties in Alabama; 4 counties in Mississippi. It took effect at Dec 1, 2009, 6:00 PM CST. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued: Nov 30, 2009, 3:54 PM CST (21:54 UTC)
In effect from: Dec 1, 2009, 6:00 PM CST
Expired: Dec 2, 2009, 10:59 AM CST
In force: 17 hr
Issued by: NWS Mobile, AL
Flood severity: None

Counties Butler 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, Perry County, MS, Stone County, MS

The radar

The Mobile radar (KMOB), 95 km from the middle of the area, began a volume at 21:57 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 forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Mobile, AL wrote its last area forecast discussion before this flash flood watch went out at Nov 30, 3:45 PM CST, 9 minutes earlier.

Area forecast discussion, Nov 30, 3:45 PM CST, 9 minutes before

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Hazardous weather outlook, Nov 30, 1:15 PM CST, 2 hours 39 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOBILE AL
115 PM CST MON NOV 30 2009

ALZ051>064-FLZ001>006-GMZ630-650-655-670-675-MSZ067-075-076-078-
079-011200-
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-MOBILE BAY-
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM-
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM-
WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM-
WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-WAYNE-PERRY-
GREENE-STONE-GEORGE-
115 PM CST MON NOV 30 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
MISSISSIPPI...SOUTHWEST AND SOUTH CENTRAL ALABAMA...THE WESTERN
FLORIDA PANHANDLE...AND THE ADJACENT GULF COASTAL WATERS OF ALABAMA
AND NORTHWEST FLORIDA.

.DAY ONE...REST OF TODAY AND TONIGHT.

PERIODS OF HEAVY RAIN COMBINED WITH WIND GUSTS TO 25 MPH MAY
ACCOMPANY SOME OF THE HEAVIER SHOWERS MOVING ACROSS THE FORECAST
AREA EARLY THIS AFTERNOON. A COLD FRONT WILL MOVE ACROSS THE REGION
IN THE WAKE OF THIS PRECIPITATION LATE THIS AFTERNOON. SEVERE
WEATHER IS NOT ANTICIPATED AHEAD OR ALONG THE COLD FRONT THROUGH
TONIGHT.

IN THE WAKE OF THE FRONT A MODERATE TO STRONG OFFSHORE FLOW WILL
GIVE WAY TO HAZARDOUS CONDITIONS FOR SMALL CRAFT OVER THE MARINE
AREA LATE THIS AFTERNOON THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

A SURFACE LOW WILL DEVELOP OVER THE WESTERN GULF ON TUESDAY AND
STRENGTHEN AS IT TRACKS TOWARD THE NORTHERN GULF COAST TUESDAY NIGHT
INTO EARLY WEDNESDAY. RAIN CHANCES WILL CONTINUE TO INCREASE LATE
TUESDAY INTO WEDNESDAY. RAINS ARE EXPECTED TO BE HEAVY AT TIMES AND
SEVERAL INCHES OF RAIN IS POSSIBLE ESPECIALLY CLOSER TO THE COAST.
HEAVY RAINS WILL LIKELY PRODUCE LOCALIZED FLOODING IN POOR DRAINAGE
AND URBAN AREAS.

OVER THE MARINE AREA...CONDITIONS ARE FORECAST TO WORSEN WITH WINDS
INCREASING. GALE FORCE GUSTS ARE LIKELY BEGINNING LATER IN THE DAY
TUESDAY. THE DURATION AND STRENGTH OF THE SOUTHERLY FETCH RESULTS IN
SEAS BUILDING TO 10 TO 15 FEET NEAR SHORE TUESDAY NIGHT AND
WEDNESDAY. WELL OFFSHORE...SEAS LOOK TO BE EVEN MORE WELL
DEVELOPED...RANGING FROM 13 TO 18 FEET. EAST OF WHERE THE LOW MOVES
ONSHORE...THERE IS A SLIGHT RISK THAT SOME OF THE STORMS OFFSHORE
AND ALONG THE IMMEDIATE COAST COULD BECOME SEVERE WITH ISOLATED
TORNADOES TUESDAY NIGHT INTO WEDNESDAY MORNING.

THERE IS AN INCREASED RISK OF COASTAL FLOODING ALONG COASTAL
SOUTHWEST ALABAMA AND THE WESTERN FLORIDA PANHANDLE TUESDAY NIGHT
AND WEDNESDAY.

FOR MORE SPECIFIC INFORMATION ON FORECAST WINDS...SEAS AND COASTAL
FLOODING...REFER TO THE LATEST MARINE WEATHER AND COASTAL HAZARD
MESSAGES ISSUED BY THE NATIONAL WEATHER SERVICE IN MOBILE.

HAZARDOUS CONDITIONS OVER THE COASTAL WATERS LOOK TO CONTINUE WITH A
MODERATE OFFSHORE FLOW AND MODERATE SEAS THURSDAY THROUGH SUNDAY.

A STRONG HIGH PRESSURE SYSTEM BRINGS THE RISK OF FREEZING
TEMPERATURES TO THE REGION FRIDAY AND SATURDAY MORNINGS.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT FOR SEVERE
WEATHER IS NOT EXPECTED TO BE REQUIRED TODAY AND TONIGHT.
HOWEVER...ACTIVATION IS EXPECTED TO BE REQUIRED TUESDAY NIGHT AND
WEDNESDAY FOR THE POTENTIAL OF SEVERE WEATHER AND COASTAL
FLOODING.

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 30, 4:51 AM CST	Gale Watch	MOB		18 hr
Nov 30, 4:51 AM CST	Small Craft Advisory	MOB		40 hr
Nov 30, 5:39 AM CST	Coastal Flood Watch	MOB		15 hr
Nov 30, 12:30 PM CST	Areal Flood Advisory	MOB	Baldwin, Mobile	2 hr

Nearby

Flash Flood Watches in Alabama, 2009 Flash Flood Watches in Mississippi, 2009 Flash Flood Watches in Florida, 2009 Every flash flood watch in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.