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Remnants of ISAAC Advisory Number 41
 
Issued 09:00Z Aug 31, 2012
 
Advisory Selection
View advisory number:  46   45   44   43   42   41   40   


TROPICAL DEPRESSION ISAAC ADVISORY NUMBER 41
NWS HYDROMETEOROLOGICAL PREDICTION CENTER COLLEGE PARK MD AL092012
400 AM CDT FRI AUG 31 2012

...TROPICAL DEPRESSION ISAAC BRINGING HEAVY RAINFALL AND THE
THREAT OF FLASH FLOODING TO THE LOWER AND MIDDLE MISSISSIPPI RIVER
VALLEY...

SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION
-----------------------------------------------
LOCATION...34.7N 93.9W
ABOUT 52 MILES...83 KM...SE OF FORT SMITH.
ABOUT 95 MILES...155 KM...W OF LITTLE ROCK.
MAXIMUM SUSTAINED WINDS...25 MPH...40 KM/H
PRESENT MOVEMENT...NNW OR 335 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES


WATCHES AND WARNINGS
--------------------
A TORNADO WATCH IS IN EFFECT FOR CENTRAL AND SOUTHERN MISSISSIPPI
IN ADDITION TO EXTREME EASTERN ARKANSAS.
FLOOD AND FLASH FLOOD WATCHES AND WARNINGS ARE IN EFFECT FOR THE
AREAS OF ARKANSAS...CENTRAL AND SOUTHERN MISSISSIPPI...AND
SOUTHEASTERN LOUISIANA.
COASTAL FLOOD WARNINGS ARE IN EFFECT FOR PORTIONS OF THE LOUISIANA
AND MISSISSIPPI COASTLINES.

FOR INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE WATCHES
AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE AT WWW.WEATHER.GOV.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 400 AM CDT...0900 UTC...THE CENTER OF ISAAC WAS LOCATED NEAR
LATITUDE 34.7 NORTH...AND LONGITUDE 93.9 WEST. THE SYSTEM IS
EXPECTED TO CONTINUE MOVING NORTHWARD INTO THE MIDDLE MISSISSIPPI
RIVER VALLEY ON FRIDAY BEFORE TURNING NORTHEASTWARD INTO THE OHIO
RIVER VALLEY BY SATURDAY NIGHT.

MAXIMUM SUSTAINED WINDS ARE NEAR 25 MPH...40 KM/H...WITH HIGHER
GUSTS.

MINIMUM CENTRAL PRESSURE IS 999 MB...29.50 INCHES.


HAZARDS
-------
RAINFALL...AN ADDITIONAL 3 TO 5 INCHES OF RAIN...WITH LOCALIZED
AMOUNTS AS HIGH AS 8 INCHES...WILL BE POSSIBLE FOR MUCH OF THE
LOWER TO MIDDLE MISSISSIPPI RIVER VALLEY THROUGH LATE SATURDAY.
THESE HEAVY RAINFALL AMOUNTS WILL SPREAD INTO THE OHIO RIVER
VALLEY ON SUNDAY. BY SUNDAY NIGHT INTO MONDAY AND TUESDAY...HEAVY
RAINS WILL REACH THE CENTRAL APPALACHIANS. WHILE THE ONGOING
DROUGHT WILL TEND TO KEEP THE THREAT FOR FLASH FLOODING DOWN
INITIALLY...VERY HEAVY RAINFALL OVER THE SAME AREAS WILL LEAD TO
AN INCREASING FLASH FLOOD THREAT OVER TIME.


RAINFALL TOTALS
---------------
SELECTED STORM TOTAL RAINFALL IN INCHES THROUGH 7 PM CDT

...ALABAMA...
GRAND BAY 0.6 NW                    11.07                     
MOBILE/BATES FIELD                   9.67                     
WILMER 7.9 SE                        8.75                     
FAIRHOPE 2.3 N                       6.42                     
DAPHNE 1.8 ESE                       5.87                     
THEODORE 8.0 SSE                     5.12                     
POINT CLEAR 1.6 SSW                  5.04                     
SILVERHILL 0.9 SSE                   4.34                     
FOLEY 2.0 SSW                        3.71                     

...ARKANSAS...
MONTICELLO AIRPORT                   2.91                     
PINE BLUFF/GRIDER FIELD              2.63                     
EL DORADO/GOODWIN FIELD              1.71                     

...FLORIDA...
VERO BEACH 5.2 S                    16.60                     
ROYAL PALM BEACH 5.0 W              16.29                     
BOYNTON BEACH 1.9 NNW               14.41                     
PORT ST LUCIE 1.5 NE                13.04                     
ABERDEEN 4.2 NNW                    12.41                     
PALM CITY 4.0 SW                    11.69                     
HOMESTEAD AFB                        9.37                     
FORT PIERCE/ST LUCIE                 9.18                     
WEST PALM BEACH INTL ARPT            8.64                     
VERO BEACH MUNI ARPT                 7.66                     
FORT LAUDERDALE EXECUTIVE APT        7.02                     
MIAMI/OPA LOCKA                      6.64                     
POMPANO BEACH AIRPARK                5.33                     
WINTER HAVEN GILBERT ARPT            5.19                     
ORLANDO/HERNDON                      5.12                     
HOLLYWOOD/NORTH PERRY ARPT           5.12                     

...GEORGIA...
GUYTON 1.9 S                         5.60                     
BROOKLET 13.1 SE                     4.60                     
RINCON 1.2 NNW                       4.03                     
MONROE 5.6 NNE                       3.11                     
JESUP 7.1 N                          3.04                     
AUGUSTA/BUSH FIELD                   2.53                     
ALMA/BACON CO. ARPT                  2.49                     
SAVANNAH MUNI ARPT                   2.47                     
FORT STEWART/WRIGHT AAF              2.06                     
AUGUSTA/DANIEL FIELD                 1.95                     
MOODY AFB/VALDOSTA                   1.50                     

...LOUISIANA...
NEW ORLEANS                         20.08                     
RESERVE 0.5 SSE                     13.46                     
LIVINGSTON                          13.16                     
HAMMOND 2.3 WSW                     11.93                     
TERRYTOWN 3.3 S                     10.56                     
SLIDELL                             10.40                     
ABITA SPRINGS 1.9 NE                10.15                     
BATON ROUGE/RYAN MUNI ARPT           4.57                     
BOOTHVILLE                           4.20                     
MONROE RGNL ARPT                     2.37                     
PATTERSON MEMORIAL ARPT              2.00                     
LAFAYETTE RGNL ARPT                  1.55                     
ALEXANDRIA/ESLER                     1.50                     

...MISSISSIPPI...
KILN 3.3 N                          17.04                     
MARION RAWS/COLUMBIA                15.02                     
SAUCIER 1.7 NNE                     12.78                     
PICAYUNE 5.6 ENE                    12.17                     
DIAMONDHEAD 1.5 NE                  12.04                     
LONG BEACH 0.7 S                    11.95                     
MCCOMB/LEWIS FIELD                  10.93                     
GULFPORT-BILOXI                     10.85                     
PASCAGOULA                          10.67                     
KEESLER AFB/BILOXI                  10.17                     
HATTIESBURG/CHAIN MUNI ARPT          9.44                     
HATTIESBURG/LAUREL                   7.93                     
JACKSON/HAWKINS FIELD                4.03                     
MERIDIAN/KEY FIELD                   4.00                     
JACKSON WFO                          3.93                     
MERIDIAN NAS/MCCAIN                  1.72                     

...NORTH CAROLINA...
WILMINGTON/NEW HANOVER CO. ARPT      4.07                     
JACKSONVILLE/ELLIS AIRPORT           1.50                     

...SOUTH CAROLINA...
MOUNT PLEASANT 5.5 NNE               9.08                     
PAWLEYS ISLAND 5.6 NNE               8.36                     
CHARLESTON 2.8 NE                    7.36                     
JOHNS ISLAND 9.0 SE                  6.44                     
MEGGETT 1.8 W                        4.85                     
BEAUFORT MCAS                        3.59                     
ROCK HILL-YORK CO. ARPT              2.89                     
DARLINGTON                           1.75                     


NEXT ADVISORY
-------------
NEXT ADVISORY ISSUED AT 1000 AM CDT. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR FURTHER INFORMATION ON THIS
STORM.

FORECASTER FANNING

FORECAST POSITIONS
------------------
INITIAL 31/0900Z 34.7N 93.9W
12HR VT 31/1800Z 36.0N 93.8W
24HR VT 01/0600Z 37.4N 93.3W...
36HR VT 01/1800Z 38.2N 92.6W...
48HR VT 02/0600Z 38.8N 90.9W...
72HR VT 03/0600Z 40.0N 87.0W...POST-TROP/EXTRATROP
96HR VT 04/0600Z 40.5N 83.0W...POST-TROP/EXTRATROP
120HR VT 05/0600Z 42.5N 73.0W