Skip Navigation Links
NOAA NOAA United States Department of Commerce

Hurricane GREG


ZCZC MIAPWSEP2 ALL                                                  
TTAA00 KNHC DDHHMM                                                  
                                                                    
HURRICANE GREG WIND SPEED PROBABILITIES NUMBER   6                  
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP072011               
0300 UTC THU AUG 18 2011                                            
                                                                    
AT 0300Z THE CENTER OF HURRICANE GREG WAS LOCATED NEAR LATITUDE 17.5
NORTH...LONGITUDE 108.3 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 65   
KTS...75 MPH...120 KM/H.                                            
                                                                    
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   12Z THU 00Z FRI 12Z FRI 00Z SAT 00Z SUN 00Z MON 00Z TUE
FORECAST HOUR   12      24      36      48      72      96     120  
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
DISSIPATED       X       X       X       1       5      22      41
TROP DEPRESSION  X       X       1       5      24      37      37
TROPICAL STORM   7       6      29      52      58      38      21
HURRICANE       93      94      70      43      14       4       1
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
HUR CAT 1       81      44      48      32      12       3       1
HUR CAT 2       11      36      16       7       2       X       X
HUR CAT 3        2      12       5       3       X       X       X
HUR CAT 4        X       2       1       X       X       X       X
HUR CAT 5        X       X       X       X       X       X       X
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
FCST MAX WIND   75KT    85KT    75KT    65KT    50KT    35KT    25KT
                                                                    
                                                                    
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           
        00Z THU 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       00Z THU 12Z THU 00Z FRI 12Z FRI 00Z SAT 00Z SUN 00Z MON
PERIODS         TO      TO      TO      TO      TO      TO      TO  
             12Z THU 00Z FRI 12Z FRI 00Z SAT 00Z SUN 00Z MON 00Z TUE
                                                                    
FORECAST HOUR    (12)   (24)    (36)    (48)    (72)    (96)   (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
LOCATION       KT                                                   
                                                                    
ISLA SOCORRO   34 84   9(93)   1(94)   X(94)   X(94)   X(94)   X(94)
ISLA SOCORRO   50 28  20(48)   X(48)   X(48)   X(48)   X(48)   X(48)
ISLA SOCORRO   64  1   3( 4)   X( 4)   X( 4)   X( 4)   X( 4)   X( 4)
 
ISLA CLARION   34  1  47(48)  35(83)   3(86)   X(86)   X(86)   X(86)
ISLA CLARION   50  X  11(11)  39(50)   3(53)   X(53)   X(53)   X(53)
ISLA CLARION   64  X   1( 1)  12(13)   2(15)   X(15)   X(15)   X(15)
 
$$                                                                  
FORECASTER BROWN                                                    
NNNN