A weak tropical wave stalled over portion of southeast Alabama, and convection flared up during the early morning hours of August 7th. Very heavy rainfall amounts led to flash flooding across the Alabama/Florida border in far northern Holmes county.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS TAE wrote it up.
A weak tropical wave stalled over portion of southeast Alabama, and convection flared up during the early morning hours of August 7th. Very heavy rainfall amounts led to flash flooding across the Alabama/Florida border in far northern Holmes county.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tallahassee, FL wrote its last area forecast discussion before the first event at Aug 7, 3:13 AM CST, 3 hours 47 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TALLAHASSEE FL
513 AM EDT Tue Aug 7 2012
.NEAR TERM [Through Tonight]...
Ridging continues to dominate the western and central U.S., with
troughing entering the Pacific Northwest and across the
northeastern half of the country. Locally the upper level pattern
continues to be dominated by a very weak pressure pattern. At the
surface, weak tropical waves will continue to focus heavy tropical
rains across the local area.
Steady rain has continued across southeast Alabama overnight.
Locally heavy rainfall rates nearing 2 in/hr were found across
portions of Coffee county this morning. This prompted the issuance
of a Flash Flood Watch for all of southeast Alabama through the
early afternoon. The indication is that the low/mid level forcing
for these rains will begin to move east later this afternoon. If
this does not occur as expected, the watch will likely have to be
continued. Additionally, convergent bands of rain are expected
across southwest and south central Georgia, as well as across
north Florida this afternoon. Training storms in the southwesterly
flow regime will be possible all day. Widespread rain amounts of 1
to 2 inches are likely this afternoon with locally higher amounts
between 3 to 6 inches possible. Depending upon just how these
bands of rain set-up and subsequently move, more Flash Flood
Watches may be necessary later today. Have gone with categorical
PoPs everywhere this afternoon. While not all locations will
receive heavy rainfall, most locations will at least see a brief
shower at some point through the day. Outside of flooding
concerns, severe weather is not expected.
Temperatures will be very similar to yesterday with upper 70s
likely in areas receiving the most rain, while middle to upper 80s
are expected elsewhere.
&&
.SHORT TERM [Wednesday Through Thursday]...
The subtropical ridge will ease in from the east on Wednesday
helping to rotate the remaining tropical disturbances northeast
out of the local area. It is likely that portions of southwest and
south-central Georgia will still be feeling the effects of the
tropical waves, at least through Wednesday morning. Elsewhere,
expect a disturbed and enhanced seabreeze convection through the
afternoon. Once we kick the tropical waves, the upper trough is
forecast to expand southward and provide the synoptic forcing
necessary to keep showers and thunderstorms in the forecast. The
upper trough will combine with the seabreeze on Thursday to yield
above average PoPs once again. Temperatures will remain at or
below climatology through the period.
One other forecast hazard to keep an eye on will be the rip
current potential beginning on Wednesday along Panhandle beaches.
Swells from Tropical Storm Ernesto are forecast to reach the
coastline on Wednesday increasing surf to 2 to 4 feet late in the
day. Rip current advisories may be necessary later in the week.
&&
.LONG TERM [Thursday Night through next Tuesday]...
The 00 UTC GFS and ECMWF remain in good agreement with the east
coast Upper Level Trof remaining the predominant feature in
keeping our conditions generally wet and disturbed through at
least Saturday, before the solutions begin to diverge a bit
thereafter. Although both models keep the mean Trof over the SE
U.S through Tuesday, the GFS is showing drier air moving in from
the NW, while the Euro is lingering a bit more deep layer moisture
in through the entire period. Nevertheless, the latest ECMWF
solution has trended drier during this period from the 12 UTC run
(which had another fairly potent impulse moving in with the next
shortwave), so we now expect a gradual transition to more typical
summertime conditions, with afternoon high temperatures and PoPs
returning back towards climo values for the second half of the
weekend and the beginning of next week.
&&
.AVIATION [Beginning 09Z Tuesday]...
Another wet and disturbed period is in store for the terminals
through much of the Taf Cycle as the Low Pressure system which
brought plenty of rain to the area on Monday, moves slowly back to
the east today. Rain with embedded Tstms (some heavy at times) is
already ongoing at DHN and ECP, and this area will continue to
expand eastward with additional showers and storms forming out ahead
of it. Therefore, expect variable conditions at all the Terminals,
which will range from IFR to VFR levels in and out of the rain.
&&
.MARINE...
Winds will generally remain rather light through the short and
extended range forecast under the influence of high pressure.
However, seas are forecast to increase on Wednesday as a result of
increasing swell generated by Tropical Storm Ernesto in the
southern Gulf. Although seas will elevate, they should remain
below cautionary levels through the period. Seas will subside once
again by Thursday night.
&&
.FIRE WEATHER...
A generally wet and disturbed pattern will continue across the
Tri-State area for the rest of the week. This will keep afternoon
relative humidities well above critical thresholds through the
period.
&&
.TAE WATCHES/WARNINGS/ADVISORIES...
FL...None.
GA...None.
AL...FLASH FLOOD WATCH until 1 PM CDT this afternoon FOR all of
southeast Alabama.
GM...None.
&&
NEAR TERM...Harrigan
SHORT TERM...Harrigan
LONG TERM...Gould
AVIATION...Gould
MARINE...Harrigan
FIRE WEATHER...GouldHAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TALLAHASSEE FL 403 AM EDT TUE AUG 7 2012 ALZ065>069-080100- COFFEE-DALE-HENRY-GENEVA-HOUSTON- 303 AM CDT TUE AUG 7 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST ALABAMA. .DAY ONE...TODAY AND TONIGHT... SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A WEAK TROPICAL WAVE HAVE ALIGNED ALONG A CONVERGENT REGION ACROSS SOUTHEAST ALABAMA. SOME OF THE HEAVIEST RAIN PRODUCERS HAVE BEEN DEPOSITING RAIN ON THE ORDER OF 2 INCHES PER HOUR...OR NEAR 4 INCHES IN 3 HOURS. LOCAL GUIDANCE ALIGNS WELL WITH THESE AMOUNTS AND SUGGESTS SIMILAR RAIN RATES COULD CONTINUE THROUGH THE EARLY AFTERNOON. THUS...THERE EXISTS THE POTENTIAL FOR LOCALIZED FLASH FLOODING...ESPECIALLY IN THE SMALL URBAN CENTERS THROUGHOUT THE REGION. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... THE THREAT FOR WIDESPREAD HAZARDOUS WEATHER REMAINS LOW. HOWEVER...THE THREAT FOR HEAVY RAIN WILL CONTINUE THROUGH TOMORROW. ALTHOUGH...THE THREAT IS EXPECTED TO BE LOWER. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE WEBSITE ON THE INTERNET AT WEATHER.GOV...THEN CLICK ON YOUR AREA OF INTEREST ON THE NATIONAL MAP. FLZ108-112-114-115-118-127-128-134-GMZ730-750-755-765-080100- SOUTH WALTON-COASTAL BAY-COASTAL GULF-COASTAL FRANKLIN- COASTAL JEFFERSON-COASTAL WAKULLA-COASTAL TAYLOR-COASTAL DIXIE- APALACHEE BAY OR COASTAL WATERS FROM KEATON BEACH TO OCHLOCKONEE RIVER FL OUT TO 20 NM- COASTAL WATERS FROM APALACHICOLA TO DESTIN FL OUT 20 NM- COASTAL WATERS FROM OCHLOCKONEE RIVER TO APALACHICOLA FL OUT TO 20 NM- COASTAL WATERS FROM SUWANNEE RIVER TO KEATON BEACH OUT 20 NM- 403 AM EDT TUE AUG 7 2012 /303 AM CDT TUE AUG 7 2012/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR COASTAL COMMUNITIES ACROSS THE FLORIDA BIG BEND AND PANHANDLE...AND ADJACENT COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT... SHOWERS AND THUNDERSTORMS ARE EXPECTED TO CONTINUE THROUGH THE DAY TODAY. THERE EXISTS A THREAT FOR WATERSPOUTS NEAR THE COAST THROUGH THE LATE MORNING AND EARLY AFTERNOON. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... THE SOUTHWESTERLY FLOW REGIME WILL CONTINUE TO SUPPORT THE THREAT FOR WATERSPOUTS THROUGH THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. HOWEVER...SPOTTERS ARE URGED TO REPORT ANY WATERSPOUT SIGHTINGS TO THE NATIONAL WEATHER SERVICE IMMEDIATELY AFTER A WATERSPOUT IS SPOTTED. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE WEBSITE ON THE INTERNET AT WEATHER.GOV...THEN CLICK ON YOUR AREA OF INTEREST ON THE NATIONAL MAP. FLZ007>019-026>029-034-GAZ120>131-142>148-155>161-080100- INLAND WALTON-CENTRAL WALTON-HOLMES-WASHINGTON-JACKSON-INLAND BAY- CALHOUN-INLAND GULF-INLAND FRANKLIN-GADSDEN-LEON-INLAND JEFFERSON- MADISON-LIBERTY-INLAND WAKULLA-INLAND TAYLOR-LAFAYETTE- INLAND DIXIE-QUITMAN-CLAY-RANDOLPH-TERRELL-DOUGHERTY-LEE-WORTH- TURNER-TIFT-BEN HILL-IRWIN-EARLY-MILLER-BAKER-MITCHELL-COLQUITT- COOK-BERRIEN-SEMINOLE-DECATUR-GRADY-THOMAS-BROOKS-LOWNDES-LANIER- 403 AM EDT TUE AUG 7 2012 /303 AM CDT TUE AUG 7 2012/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST AND SOUTH CENTRAL GEORGIA...AND THE FLORIDA BIG BEND AND PANHANDLE. .DAY ONE...TODAY AND TONIGHT... SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGHOUT THE AFTERNOON. WIDESPREAD RAIN AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE REGIONWIDE. LOCALLY HEAVIER AMOUNTS BETWEEN 3 TO 6 INCHES ARE POSSIBLE AND DEPENDING ON THE EVOLUTION OF THE STORMS TODAY FLASH FLOOD WATCHES OR WARNINGS MAY BE NECESSARY. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... THE THREAT FOR WIDESPREAD HAZARDOUS WEATHER REMAINS LOW. HOWEVER...THE THREAT FOR HEAVY RAIN WILL CONTINUE THROUGH TOMORROW. ALTHOUGH...THE THREAT IS EXPECTED TO BE LOWER. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE WEBSITE ON THE INTERNET AT WEATHER.GOV...THEN CLICK ON YOUR AREA OF INTEREST ON THE NATIONAL MAP. GMZ770-775-080100- WATERS FROM APALACHICOLA TO DESTIN FL FROM 20 TO 60 NM- WATERS FROM SUWANNEE RIVER TO APALACHICOLA FL FROM 20 TO 60 NM- 403 AM EDT TUE AUG 7 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST ALABAMA... SOUTHWEST AND SOUTH CENTRAL GEORGIA...AND THE FLORIDA BIG BEND AND PANHANDLE...AND ADJACENT COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE WEBSITE ON THE INTERNET AT WEATHER.GOV...THEN CLICK ON YOUR AREA OF INTEREST ON THE NATIONAL MAP. HARRIGAN
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
732 AM EDT TUE AUG 07 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0728 AM FLASH FLOOD 4 E CAMP ALAFLO BSA 31.42N 85.79W
08/07/2012 COFFEE AL PUBLIC
WATER RUSHING ACROSS HWY 27 ON THE COFFEE/DALE COUNTY
BORDER. RADAR ESTIMATES OF 7 INCHES OF RAIN HAVE ALREADY
FALLEN IN THIS AREA...WITH ADDITONAL RAIN STILL FALLING.
&&
GOULDPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
736 AM EDT TUE AUG 07 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0728 AM FLASH FLOOD 5 ENE CAMP ALAFLO BSA 31.43N 85.78W
08/07/2012 DALE AL PUBLIC
WATER RUSHING ACROSS HWY 27 ON THE COFFEE/DALE COUNTY
BORDER. RADAR ESTIMATES OF 7 INCHES OF RAIN HAVE ALREADY
FALLEN IN THIS AREA...WITH ADDITONAL RAIN STILL FALLING.
&&
GOULDPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
812 AM EDT TUE AUG 07 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0807 AM FLASH FLOOD ENTERPRISE 31.31N 85.85W
08/07/2012 COFFEE AL LAW ENFORCEMENT
SIGNIFICANT FLASH FLOODING ALL OVER THE CITY OF
ENTERPRISE ALABAMA AND POINTS NORTH AND EAST. RESCUE
OPERATIONS ARE UNDERWAY FOR PEOPLE TRAPPED IN HOUSES AND
VEHICLES.
&&
GOULDPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
838 AM EDT TUE AUG 07 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0825 AM FLASH FLOOD GENEVA 31.04N 85.88W
08/07/2012 GENEVA AL TRAINED SPOTTER
FLASH FLOODING REPORTED IN THE CITY OF GENEVA. WATER
RUSHING ACROSS AREA ROADS.
&&
GOULDThe Eglin Afb radar (KEVX), 50 km away, was scanning. The volume nearest the first event began at 13:02 UTC.
2 heavy rain, 1 flash flood. Local standard time, as filed.
Flash flooding occurred along the Alabama/Florida border. County Road 53 along the Florida/Alabama border was flooded and closed on the Alabama side of the border.
A few inches of water were reported over Highway 331 between Highway 20 and the bridge in low spots or dips in the road. Motorists driving normal speeds were hydroplaning. Radar estimated approximately 2.50 inches of rain had fallen in the area over the past few hours.
WCTV reported minor urban flooding near the intersections of Apalachee Pkwy and Blairstone Rd as well as Mahan Dr and Weems Rd.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2012Every state in 2012This day in weather historyWarnings in Florida, August 2012
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 392333, 392337, 392339.