THE WEATHER PREDICTION CENTER

COLLEGE PARK, MD


TROPICAL SUMMARY MESSAGE



POST-TROPICAL CYCLONE IRMA ADVISORY NUMBER 55
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD AL112017
500 PM EDT TUE SEP 12 2017

...IRMA CONTINUES TO WEAKEN AS MAINLY LIGHT TO MODERATE SCATTERED
SHOWERS CONTINUE ACROSS THE LOWER MISSISSIPPI VALLEY AND INTO THE
OHIO VALLEY...

SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION
-----------------------------------------------
LOCATION...35.1N 88.2W
ABOUT 65 MILES...100 KM...NE OF TUPELO MISSISSIPPI
ABOUT 100 MILES...165 KM...E OF MEMPHIS TENNESSEE
MAXIMUM SUSTAINED WINDS...10 MPH...15 KM/H
PRESENT MOVEMENT...NW OR 319 DEGREES AT 20 MPH...32 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES


WATCHES AND WARNINGS
--------------------
FLOOD AND COASTAL FLOOD WARNINGS ARE STILL ONGOING ACROSS PORTIONS
OF FLORIDA.

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 500 PM EDT...2100 UTC...THE CENTER OF POST-TROPICAL CYCLONE
IRMA WAS LOCATED NEAR LATITUDE 35.1 NORTH...AND LONGITUDE 88.2
WEST. IRMA IS FORECAST TO WEAKEN TO A REMNANT LOW AS IT MOVES
NORTHWESTWARD INTO THE TENNESSEE VALLEY TONIGHT.

MINIMUM CENTRAL PRESSURE IS 1004 MB...29.65 INCHES.


HAZARDS AFFECTING LAND
-------
RAINFALL...POST-TROPICAL CYCLONE IRMA WILL CONTINUE TO PRODUCE
MAINLY LIGHT TO LOCALLY MODERATE RAINFALL ACROSS WESTERN PORTIONS
OF THE TENNESSEE VALLEY AND INTO THE OHIO VALLEY AND THE
MID-ATLANTIC TONIGHT. THE THREAT FOR WIDESPREAD HEAVY RAINFALL AND
FLASH FLOODING HAS COME TO AN END. HOWEVER...SIGNIFICANT RIVER
FLOODING WILL PERSIST OVER MUCH OF THE FLORIDA PENINSULA IN THE
WAKE OF IRMA...WHILE ADDITIONAL RIVER FLOODING WILL BE POSSIBLE
ACROSS PARTS OF THE SOUTHEAST.

...SELECTED PRELIMINARY STORM TOTAL RAINFALL IN INCHES THROUGH 5
PM EDT

...ALABAMA...
WEST POINT                            4.70                    
BYNUM 1 ENE                           4.25                    
FORNEY 1 WNW                          3.93                    
SEALE 3 ESE                           3.85                    
ALBERTVILLE 4.8 WNW                   3.60                    
GUNTERSVILLE 2.2 SW                   3.57                    
CLAYTON                               3.52                    
EUFAULA MUNI ARPT                     3.25                    
DOUGLAS 6.8 NW                        3.22                    
TALLADEGA 1.6 SSE                     3.20                    
SALEM 3.9 ENE                         3.14                    
DOTHAN RGNL ARPT                      2.76                    
MONTGOMERY                            2.15                    

...FLORIDA...
FT. PIERCE ST. LUCIE CNTY INTL ARP   15.91                    
OVIEDO                               14.76                    
CHEKIKA                              13.83                    
INLIKITA 7 WNW                       13.63                    
GAINESVILLE 2.4 NW                   12.22                    
MIMS 8.5 W                           12.11                    
NAPLES                               11.87                    
NATIONAL KEY DEER NWR                11.74                    
OVIEDO 1.6 SE                        11.54                    
CACHE                                11.49                    
STARKE                               11.33                    
WEST MELBOURNE                       11.21                    
JACKSONVILLE 9.6 SE                  11.17                    
FLEMING ISLAND 2.2 S                 11.11                    
SWITZERLAND 4 WSW                    11.11                    
PANTHER WEST                         11.08                    
ORTEGA 1 WNW                         11.00                    
UNIVERSITY OF FLORIDA 3 NW           10.42                    
FORT MYERS INTL ARPT                 10.33                    
SUMMERFIELD 3 SSE                    10.04                    
OASIS RANGER STATION                  9.67                    
OKEECHOBEE COUNTY ARPT                9.65                    
FORT LAUDERDALE EXEC ARPT             9.57                    
ORLANDO/SANFORD ARPT                  9.42                    
OCHOPEE                               9.27                    
OLUSTEE 3 N                           9.17                    
ALACHUA 5 SE                          8.61                    
MILES CITY                            8.26                    
BELLAIR 3 W                           8.11                    
OPA-LOCKA AIRPORT                     7.99                    
ORLANDO EXECUTIVE ARPT                7.68                    
FORT WHITE 4 SE                       7.57                    
INTERLACHEN 4 NW                      6.22                    
TALLYRAND 2 NNW                       6.15                    
DAYTONA BEACH INTL ARPT               5.86                    
HOLLYWOOD 3.9 SW                      4.68                    
PALM CITY 3.1 NW                      4.58                    
FLEMING ISLAND 1.7 SE                 4.56                    
MIAMI BEACH                           3.95                    
VERO BEACH 2.5 S                      3.25                    

...GEORGIA...
ST MARYS RIVER NEAR KINGSLAND 5SSE   10.12                    
NAHUNTA 6 S                           9.57                    
CUMBERLAND SOUND NEAR ST MARYS 5ENE   9.18                    
HOMELAND                              7.99                    
THALMANN 5 ESE                        7.89                    
BOYS ESTATE 3 S                       7.84                    
FOLKSTON 10 SW                        7.80                    
JESUP 10.0 NNW                        6.96                    
SAVANNAH/HUNTER AAF                   6.88                    
KINGSLAND 3 WSW                       6.85                    
WAYNESBORO 3.3 SW                     6.67                    
ATKINSON 1 WSW                        6.66                    
RICHMOND HILL 7.0 ESE                 6.63                    
BRUNSWICK, MALCOLM MCKINNON ARPT      6.32                    
DECATUR                               6.32                    
SAPELO ISLAND 1 NW                    5.97                    
RINCON 5.3 NNE                        5.00                    
DOUGLASVILLE 3.7 S                    4.83                    
FAYETTEVILLE 1.4 NNW                  4.32                    

...MISSISSIPPI...
ABBEVILLE 8.2 SE                      1.21                    
BATESVILLE 2.2 SSE                    1.17                    
NEW ALBANY 5.3 SSE                    1.15                    

...NORTH CAROLINA...
BUSICK                                6.05                    
FAIRVIEW 3.8 ENE                      5.61                    
SWANNANOA 0.4 NNE                     5.39                    
BURNSVILLE 1.5 WNW                    5.28                    
ST. JAMES 1.9 W                       5.26                    
SALUDA 2 SSW                          5.15                    
HENDERSONVILLE 9.6 ENE                4.70                    
OLD FORT 5 SW                         4.50                    

...SOUTH CAROLINA...
CHARLESTON 5.0 WNW                    8.65                    
SUMMERVILLE 1.9 N                     7.25                    
HOLLY HILL                            7.18                    
MONCKS CORNER 3.2 NE                  7.13                    
DANIEL ISLAND 1.0 SE                  7.11                    
CANADYS 0.4 NW                        7.00                    
DENMARK 3 WNW                         6.80                    
BARNWELL                              6.35                    
CHARLESTON NWS WFO                    6.18                    
EDISTO ISLAND 2 WNW                   6.05                    
BLACKVILLE 2 W                        6.01                    
BEAUFORT MCAS                         5.88                    
WINDSOR 3 ESE                         5.75                    
SANTEE 5 NNE                          5.74                    
FOLLY FIELD 1 SW                      5.67                    
CHARLESTON INTL ARPT                  5.53                    
EASTOVER 6 SW                         4.97                    
NEW ELLENTON 4 S                      4.81                    
EDGEFIELD                             4.12                    
SUMTER                                4.11                    
COLUMBIA METRO AIRPORT                3.14                    

...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...

...ALABAMA...
TROY MUNICIPAL AIRPORT                45                    
WEEDON FIELD AIRPORT                  43                    
ANNISTON ARPT ASOS                    40                    
MONTGOMERY REGIONAL AIRPORT           40                    

...FLORIDA...
NAPLES 2 ENE                         142                    
MARCO ISLAND 1 E                     130                    
LELY 2 ESE                           122                    
BIG PINE KEY 2 NNW                   120                    
QUAIL CREEK ESTATES 2 SSW            112                    
NORTH PERRY AIRPO 2 WNW              109                    
KEY BISCAYNE 8 SSE                    99                    
MIAMI INTERNATIONAL 1 W               99                    
NORTH PERRY AIRPO 3 WSW               98                    
SWEETWATER 2 NE                       96                    
CAPE CANAVERAL 3 NNE                  94                    
OCEAN REEF 8 SE                       93                    
BELLE MEADE 1 S                       92                    
KEY LARGO 8 SSE                       92                    
OCHOPEE 1 W                           92                    
CACHE AT EVERGLADES                   91                    
KEY WEST 2 W                          91                    
ROYAL PALM RANGER S 4 W               91                    
CORAL GABLES 1 ESE                    90                    
OCEAN REEF 8 SSE                      89                    
SOUTHWEST FLORIDA INTL ARPT           89                    
MAYPORT NAVAL STATION                 87                    
PORT EVERGLADES                       87                    
DEERFIELD BEACH 3 W                   86                    
JACKSONVILLE INTL ARPT                86                    
KEY LARGO 1 SE                        85                    
REDLAND 8 NNW                         85                    
FORT MYERS FAA/AP                     84                    
SUNRISE 1 W                           84                    
FLAGLER BEACH                         83                    
GOULDS 1 NE                           83                    
HOMESTEAD PARK 1 WSW                  83                    
OAKLAND PARK 3 NW                     83                    
PINECREST 2 SSW                       82                    
FIU SOUTH CAMPUS                      81                    
HAULOVER CANAL 3 E                    81                    
POMPANO BEACH AIR 1 ESE               81                    
RSW SOUTHWEST FLORIDA A               81                    
IMMOKALEE 2 ESE                       80                    
SOUTH MIAMI 2 W                       80                    
FISHER ISLAND 3 ESE                   79                    
FIU NORTH CAMPUS 1 ESE                79                    
FORT DESOTO PARK 3 W                  79                    
FLORIDA CITY 1 ESE                    78                    
FORT LAUDERDALE 2 W                   78                    
NORTH PERRY AIRPORT                   78                    
SANIBEL 4 ENE                         78                    
SUNRISE 2 E                           78                    
CLEARWATER 4 WNW                      77                    
PARKLAND 2 W                          77                    
WEST MIAMI 2 SE                       77                    
BARTOW 10 SSW                         75                    
DAVIE 2 NE                            75                    
DELRAY BEACH 3 WSW                    75                    
SAINT AUGUSTINE 1 NW                  75                    
LITTLE HAITI 2 SE                     74                    
BUNNELL                               72                    
COUNTRY WALK 1 N                      72                    
HOLIDAY 4 SW                          70                    
INDIAN LAKE ESTATES 2 S               70                    
LITTLE HAVANA 1 NNW                   68                    
LAUDERDALE BY THE 2 NW                67                    
PORT EVERGLADES 1 SSE                 66                    
DOWNTOWN SAINT PETE 4 E               65                    
SANFORD AIRPORT                       65                    
CORAL SPRINGS 1 W                     64                    
DELAND                                63                    
DANIA BEACH 1 NW                      62                    
ST. AUGUSTINE 6 NNW                   62                    
CROSS CITY AIRPORT                    61                    
HIALEAH GARDENS 1 E                   61                    
POMPANO BEACH                         61                    

...GEORGIA...
FORT PULASKI                          70                    
FORT SCREVEN                          70                    
TYBEE ISLAND 1 NNE                    65                    
HARTSFIELD ATLANTA INTL ARPT          64                    
MIDDLE GEORGIA REGIONAL ARPT          61                    
SAVANNAH AIRPORT                      60                    
TALLAPOOSA 4 SSE                      59                    
HABERSHAM COUNTY AP                   58                    
VALDOSTA 2 WNW                        58                    
CLEVELAND                             57                    
LITTLE OCMULGEE STATE PARK            57                    
DUBLIN                                54                    
PERRY                                 54                    
COLUMBUS AIRPORT ASOS                 53                    
VIDALIA                               53                    
ATHENS 3 ESE                          52                    
BANKS CROSSING                        51                    
JASPER 2 SSW                          48                    
TUCKER 2 SE                           47                    
MOODY AFB                             44                    

...NORTH CAROLINA...
HIGHLANDS 2 NNW                       56                    
CASHIERS 1 ESE                        51                    
BOOMER 3 ESE                          47                    
BELMONT                               45                    
CHARLOTTE DOUGLAS INTL ARPT           45                    

...SOUTH CAROLINA...
PARRIS ISLAND 6 E                     76                    
FOLLY BEACH                           72                    
ISLE OF PALMS 1 ESE                   68                    
SULLIVANS ISLAND 1 E                  68                    
BATTERY POINT 1 NNW                   66                    
BEAUFORT                              66                    
CHARLESTON 2 SSW                      66                    
DANIEL FIELD AIRPORT                  58                    
OCONEE COUNTY REGION                  58                    
AUGUSTA BUSH FIELD                    55                    
LANCASTER COUNTY AIRPORT              55                    

...TENNESSEE...
CLINGMANS DOME TOWER                  66                    
GATLINBURG 10 S                       60                    
CHATTANOOGA 4 ESE                     45                    


NEXT ADVISORY
-------------
THIS IS THE LAST PUBLIC ADVISORY ISSUED BY THE WEATHER PREDICTION
CENTER FOR THIS SYSTEM. PLEASE REFER TO YOUR LOCAL NATIONAL
WEATHER SERVICE OFFICE FOR FURTHER INFORMATION ON THIS STORM.

FORECASTER SANTORELLI

FORECAST POSITIONS
------------------
INITIAL 12/2100Z 35.1N 88.2W
12HR VT 13/0600Z 35.9N 89.4W...REMNANT LOW
24HR VT 13/1800Z 39.2N 89.3W...REMNANT LOW
36HR VT 14/0600Z...DISSIPATED




Last Updated: 459 PM EDT TUE SEP 12 2017