| HOME | ARCHIVES | FORECASTS | IMAGERY | ABOUT NHC | RECONNAISSANCE |

Hurricane IRMA (Text)


ZCZC MIAPWSAT1 ALL                                                  
TTAA00 KNHC DDHHMM                                                  
                                                                    
HURRICANE IRMA WIND SPEED PROBABILITIES NUMBER  47                  
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL112017               
2100 UTC SUN SEP 10 2017                                            
                                                                    
AT 2100Z THE CENTER OF HURRICANE IRMA WAS LOCATED NEAR LATITUDE 26.2
NORTH...LONGITUDE 81.8 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 95 KTS
...110 MPH...175 KM/H.                                              
                                                                    
Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH)                  
   ATLANTIC STANDARD TIME (AST)...SUBTRACT 4 HOURS FROM Z TIME      
   EASTERN  DAYLIGHT TIME (EDT)...SUBTRACT 4 HOURS FROM Z TIME      
   CENTRAL  DAYLIGHT TIME (CDT)...SUBTRACT 5 HOURS FROM Z TIME      
                                                                    
WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS                 
                                                                    
CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST     
   ...34 KT (39 MPH... 63 KM/H)...                                  
   ...50 KT (58 MPH... 93 KM/H)...                                  
   ...64 KT (74 MPH...119 KM/H)...                                  
FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS               
                                                                    
PROBABILITIES FOR LOCATIONS ARE GIVEN AS OP(CP) WHERE               
    OP  IS THE PROBABILITY OF THE EVENT BEGINNING DURING            
        AN INDIVIDUAL TIME PERIOD (ONSET PROBABILITY)               
   (CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN           
        18Z SUN AND THE FORECAST HOUR (CUMULATIVE PROBABILITY)      
                                                                    
PROBABILITIES ARE GIVEN IN PERCENT                                  
X INDICATES PROBABILITIES LESS THAN 1 PERCENT                       
PROBABILITIES FOR 34 KT AND 50 KT ARE SHOWN AT A GIVEN LOCATION WHEN
THE 5-DAY CUMULATIVE PROBABILITY IS AT LEAST 3 PERCENT.             
PROBABILITIES FOR 34...50...64 KT SHOWN WHEN THE 5-DAY              
64-KT CUMULATIVE PROBABILITY IS AT LEAST 1 PERCENT.                 
                                                                    
                                                                    
  - - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - -   
                                                                    
               FROM    FROM    FROM    FROM    FROM    FROM    FROM 
  TIME       18Z SUN 06Z MON 18Z MON 06Z TUE 18Z TUE 18Z WED 18Z THU
PERIODS         TO      TO      TO      TO      TO      TO      TO  
             06Z MON 18Z MON 06Z TUE 18Z TUE 18Z WED 18Z THU 18Z FRI
                                                                    
FORECAST HOUR    (12)   (24)    (36)    (48)    (72)    (96)   (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
LOCATION       KT                                                   
                                                                    
CHARLOTTE NC   34  X   1( 1)   3( 4)   X( 4)   X( 4)   X( 4)   X( 4)
 
FLORENCE SC    34  X   4( 4)   1( 5)   X( 5)   X( 5)   X( 5)   X( 5)
 
COLUMBIA SC    34  X   9( 9)   1(10)   X(10)   X(10)   X(10)   X(10)
 
GEORGETOWN SC  34  X   7( 7)   X( 7)   X( 7)   X( 7)   X( 7)   X( 7)
 
CHARLESTON SC  34  1  11(12)   X(12)   X(12)   X(12)   X(12)   X(12)
 
BEAUFORT MCAS  34  5  14(19)   1(20)   X(20)   X(20)   X(20)   X(20)
 
ATLANTA GA     34  X  12(12)  18(30)   X(30)   X(30)   X(30)   X(30)
 
AUGUSTA GA     34  X  16(16)   3(19)   X(19)   X(19)   X(19)   X(19)
 
SAVANNAH GA    34  7  24(31)   X(31)   X(31)   X(31)   X(31)   X(31)
 
KINGS BAY GA   34 33  36(69)   X(69)   X(69)   X(69)   X(69)   X(69)
KINGS BAY GA   50  1   5( 6)   X( 6)   X( 6)   X( 6)   X( 6)   X( 6)
 
WAYCROSS GA    34 18  58(76)   X(76)   X(76)   X(76)   X(76)   X(76)
WAYCROSS GA    50  X  11(11)   X(11)   X(11)   X(11)   X(11)   X(11)
 
MAYPORT NS FL  34 46  28(74)   X(74)   X(74)   X(74)   X(74)   X(74)
MAYPORT NS FL  50  2   5( 7)   X( 7)   X( 7)   X( 7)   X( 7)   X( 7)
 
JACKSONVILLE   34 50  31(81)   X(81)   X(81)   X(81)   X(81)   X(81)
JACKSONVILLE   50  2   7( 9)   X( 9)   X( 9)   X( 9)   X( 9)   X( 9)
 
GAINESVILLE FL 34 84  15(99)   X(99)   X(99)   X(99)   X(99)   X(99)
GAINESVILLE FL 50 13  62(75)   X(75)   X(75)   X(75)   X(75)   X(75)
GAINESVILLE FL 64  1  22(23)   X(23)   X(23)   X(23)   X(23)   X(23)
 
DAYTONA BEACH  34 85   3(88)   X(88)   X(88)   X(88)   X(88)   X(88)
DAYTONA BEACH  50 10   4(14)   X(14)   X(14)   X(14)   X(14)   X(14)
DAYTONA BEACH  64  1   X( 1)   X( 1)   X( 1)   X( 1)   X( 1)   X( 1)
 
THE VILLAGES   34 98   1(99)   X(99)   X(99)   X(99)   X(99)   X(99)
THE VILLAGES   50 68  22(90)   X(90)   X(90)   X(90)   X(90)   X(90)
THE VILLAGES   64 15  23(38)   X(38)   X(38)   X(38)   X(38)   X(38)
 
ORLANDO FL     34 96   1(97)   X(97)   X(97)   X(97)   X(97)   X(97)
ORLANDO FL     50 61   2(63)   X(63)   X(63)   X(63)   X(63)   X(63)
ORLANDO FL     64  8   X( 8)   X( 8)   X( 8)   X( 8)   X( 8)   X( 8)
 
COCOA BEACH FL 34 89   X(89)   X(89)   X(89)   X(89)   X(89)   X(89)
COCOA BEACH FL 50 11   1(12)   X(12)   X(12)   X(12)   X(12)   X(12)
COCOA BEACH FL 64  1   X( 1)   X( 1)   X( 1)   X( 1)   X( 1)   X( 1)
 
PATRICK AFB    34 90   X(90)   X(90)   X(90)   X(90)   X(90)   X(90)
PATRICK AFB    50 12   X(12)   X(12)   X(12)   X(12)   X(12)   X(12)
PATRICK AFB    64  1   X( 1)   X( 1)   X( 1)   X( 1)   X( 1)   X( 1)
 
FT PIERCE FL   34 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
FT PIERCE FL   50  7   X( 7)   X( 7)   X( 7)   X( 7)   X( 7)   X( 7)
FT PIERCE FL   64  1   X( 1)   X( 1)   X( 1)   X( 1)   X( 1)   X( 1)
 
W PALM BEACH   34 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
W PALM BEACH   50  5   X( 5)   X( 5)   X( 5)   X( 5)   X( 5)   X( 5)
 
FT LAUDERDALE  34 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
FT LAUDERDALE  50  5   X( 5)   X( 5)   X( 5)   X( 5)   X( 5)   X( 5)
 
MIAMI FL       34 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
MIAMI FL       50 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
 
HOMESTEAD ARB  34 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
HOMESTEAD ARB  50 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
 
MARATHON FL    34 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
MARATHON FL    50 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
 
KEY WEST FL    34 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
KEY WEST FL    50 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
 
NAPLES FL      34 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
NAPLES FL      50 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
NAPLES FL      64 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
 
FT MYERS FL    34 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
FT MYERS FL    50 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
FT MYERS FL    64 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
 
VENICE FL      34 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
VENICE FL      50 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
VENICE FL      64 84   X(84)   X(84)   X(84)   X(84)   X(84)   X(84)
 
TAMPA FL       34 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
TAMPA FL       50 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
TAMPA FL       64 85   1(86)   X(86)   X(86)   X(86)   X(86)   X(86)
 
CEDAR KEY FL   34 95   5(99)   X(99)   X(99)   X(99)   X(99)   X(99)
CEDAR KEY FL   50 42  54(96)   X(96)   X(96)   X(96)   X(96)   X(96)
CEDAR KEY FL   64  8  44(52)   X(52)   X(52)   X(52)   X(52)   X(52)
 
TALLAHASSEE FL 34 19  74(93)   1(94)   X(94)   X(94)   X(94)   X(94)
TALLAHASSEE FL 50  1  43(44)   1(45)   X(45)   X(45)   X(45)   X(45)
TALLAHASSEE FL 64  X   8( 8)   1( 9)   X( 9)   X( 9)   X( 9)   X( 9)
 
ST MARKS FL    34 29  65(94)   1(95)   X(95)   X(95)   X(95)   X(95)
ST MARKS FL    50  2  48(50)   X(50)   X(50)   X(50)   X(50)   X(50)
ST MARKS FL    64  X  12(12)   X(12)   X(12)   X(12)   X(12)   X(12)
 
APALACHICOLA   34 20  39(59)   X(59)   X(59)   X(59)   X(59)   X(59)
APALACHICOLA   50  2   7( 9)   X( 9)   X( 9)   X( 9)   X( 9)   X( 9)
APALACHICOLA   64  X   1( 1)   X( 1)   X( 1)   X( 1)   X( 1)   X( 1)
 
GFMX 290N 850W 34 31  20(51)   X(51)   X(51)   X(51)   X(51)   X(51)
GFMX 290N 850W 50  2   3( 5)   X( 5)   X( 5)   X( 5)   X( 5)   X( 5)
 
PANAMA CITY FL 34  9  26(35)   X(35)   X(35)   X(35)   X(35)   X(35)
PANAMA CITY FL 50  X   3( 3)   1( 4)   X( 4)   X( 4)   X( 4)   X( 4)
 
COLUMBUS GA    34  2  27(29)  39(68)   X(68)   X(68)   X(68)   X(68)
COLUMBUS GA    50  X   1( 1)  12(13)   X(13)   X(13)   X(13)   X(13)
COLUMBUS GA    64  X   X( X)   1( 1)   X( 1)   X( 1)   X( 1)   X( 1)
 
BIRMINGHAM AL  34  X   6( 6)  16(22)   6(28)   1(29)   X(29)   X(29)
BIRMINGHAM AL  50  X   X( X)   2( 2)   1( 3)   X( 3)   X( 3)   X( 3)
 
MONTGOMERY AL  34  X  12(12)  19(31)   1(32)   X(32)   X(32)   X(32)
MONTGOMERY AL  50  X   X( X)   3( 3)   X( 3)   X( 3)   X( 3)   X( 3)
 
WHITING FLD FL 34  4   6(10)   1(11)   X(11)   1(12)   X(12)   X(12)
 
PENSACOLA FL   34  4   6(10)   X(10)   X(10)   X(10)   X(10)   X(10)
 
GFMX 290N 870W 34  5   4( 9)   X( 9)   X( 9)   X( 9)   X( 9)   X( 9)
 
MOBILE AL      34  X   6( 6)   X( 6)   X( 6)   X( 6)   X( 6)   X( 6)
 
GULFPORT MS    34  X   3( 3)   1( 4)   X( 4)   X( 4)   X( 4)   X( 4)
 
GRAND BAHAMA   34 15   2(17)   X(17)   X(17)   X(17)   X(17)   X(17)
 
NEW PROVIDENCE 34  4   X( 4)   X( 4)   X( 4)   X( 4)   X( 4)   X( 4)
 
ANDROS         34  3   X( 3)   X( 3)   X( 3)   X( 3)   X( 3)   X( 3)
 
HAVANA         34  4   X( 4)   X( 4)   X( 4)   X( 4)   X( 4)   X( 4)
 
CIENFUEGOS     34  3   X( 3)   X( 3)   X( 3)   X( 3)   X( 3)   X( 3)
 
$$                                                                  
FORECASTER PASCH                                                    
NNNN                                                                

Standard version of this page

Alternate Formats
About Alternates - E-Mail Advisories - RSS Feeds

Cyclone Forecasts
Latest Advisory - Past Advisories - About Advisories

Marine Forecasts
Latest Products - About Marine Products

Tools & Data
Satellite Imagery - US Weather Radar - Aircraft Recon - Local Data Archive - Forecast Verification - Deadliest/Costliest/Most Intense

Learn About Hurricanes
Storm Names Wind Scale - Prepare - Climatology - NHC Glossary - NHC Acronyms - Frequently Asked Questions - AOML Hurricane-Research Division

About Us
About NHC - Mission/Vision - Other NCEP Centers - NHC Staff - Visitor Information - NHC Library

Contact Us


NOAA/ National Weather Service
National Centers for Environmental Prediction
National Hurricane Center
11691 SW 17th Street
Miami, Florida, 33165-2149 USA
nhcwebmaster@noaa.gov
Disclaimer
Privacy Policy
Credits
About Us
Glossary
Career Opportunities
Page last modified: Thursday, 19-Oct-2017 12:09:25 UTC