Skip Navigation Links
NOAA NOAA United States Department of Commerce

Hurricane HERNAN


ZCZC MIAPWSEP4 ALL                                                  
TTAA00 KNHC DDHHMM                                                  
HURRICANE HERNAN WIND SPEED PROBABILITIES NUMBER  12                
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP092008               
1500 UTC SAT AUG 09 2008                                            
                                                                    
AT 1500Z THE CENTER OF HURRICANE HERNAN WAS LOCATED NEAR LATITUDE   
15.7 NORTH...LONGITUDE 123.3 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 
105 KTS...120 MPH...195 KM/HR.                                      
                                                                    
Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH)                  
   PACIFIC  DAYLIGHT TIME (PDT)...SUBTRACT  7 HOURS FROM Z TIME     
   HAWAIIAN STANDARD TIME (HST)...SUBTRACT 10 HOURS FROM Z TIME     
                                                                    
                                                                    
I.  MAXIMUM WIND SPEED (INTENSITY) PROBABILITY TABLE                
                                                                    
CHANCES THAT THE MAXIMUM SUSTAINED (1-MINUTE AVERAGE) WIND SPEED OF 
THE TROPICAL CYCLONE WILL BE WITHIN ANY OF THE FOLLOWING CATEGORIES 
AT EACH OFFICIAL FORECAST TIME DURING THE NEXT 5 DAYS.              
PROBABILITIES ARE GIVEN IN PERCENT.  X INDICATES PROBABILITIES LESS 
THAN 1 PERCENT.                                                     
                                                                    
                                                                    
      - - - MAXIMUM WIND SPEED (INTENSITY) PROBABILITIES - - -      
                                                                    
VALID TIME   00Z SUN 12Z SUN 00Z MON 12Z MON 12Z TUE 12Z WED 12Z THU
FORECAST HOUR   12      24      36      48      72      96     120  
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
DISSIPATED       X       X       X       1      15      30      39
TROP DEPRESSION  X       X       1       9      38      43      42
TROPICAL STORM   X       2      27      60      43      26      19
HURRICANE       99      98      72      30       4       1       1
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
HUR CAT 1        1      25      50      24       4       1       1
HUR CAT 2       13      46      17       4       X       X       X
HUR CAT 3       77      24       4       2       X       X       X
HUR CAT 4        9       3       1       X       X       X       X
HUR CAT 5        1       X       X       X       X       X       X
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
FCST MAX WIND  105KT    95KT    80KT    65KT    45KT    35KT    30KT
                                                                    
                                                                    
II. WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS             
                                                                    
CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST     
   ...34 KT (39 MPH... 63 KPH)...                                   
   ...50 KT (58 MPH... 93 KPH)...                                   
   ...64 KT (74 MPH...119 KPH)...                                   
FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS               
                                                                    
PROBABILITIES FOR LOCATIONS ARE GIVEN AS IP(CP) WHERE               
    IP  IS THE PROBABILITY OF THE EVENT BEGINNING DURING            
        AN INDIVIDUAL TIME PERIOD (INDIVIDUAL PROBABILITY)          
   (CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN           
        12Z SAT 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 64 KT ARE SHOWN WHEN THE 5-DAY CUMULATIVE         
PROBABILITY IS AT LEAST 1 PERCENT.                                  
                                                                    
                                                                    
  - - - - WIND SPEED PROBABILITIES FOR SELECTED  LOCATIONS - - - -  
                                                                    
               FROM    FROM    FROM    FROM    FROM    FROM    FROM 
  TIME       12Z SAT 00Z SUN 12Z SUN 00Z MON 12Z MON 12Z TUE 12Z WED
PERIODS         TO      TO      TO      TO      TO      TO      TO  
             00Z SUN 12Z SUN 00Z MON 12Z MON 12Z TUE 12Z WED 12Z THU
                                                                    
FORECAST HOUR    (12)   (24)    (36)    (48)    (72)    (96)   (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
LOCATION       KT                                                   
                                                                    
$$                                                                  
FORECASTER KNABB                                                    
                                                                    
                                                                    
NNNN