Tropical Storm HELENE

ZCZC MIAPWSAT2 ALL                                                  
TTAA00 KNHC DDHHMM                                                  
                                                                    
TROPICAL STORM HELENE WIND SPEED PROBABILITIES NUMBER  10           
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL072012               
0300 UTC SAT AUG 18 2012                                            
                                                                    
AT 0300Z THE CENTER OF TROPICAL STORM HELENE WAS LOCATED NEAR       
LATITUDE 21.0 NORTH...LONGITUDE 96.4 WEST WITH MAXIMUM SUSTAINED    
WINDS NEAR 35 KTS...40 MPH...65 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      
                                                                    
                                                                    
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 SAT 00Z SUN 12Z SUN 00Z MON 00Z TUE 00Z WED 00Z THU
FORECAST HOUR   12      24      36      48      72      96     120  
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
DISSIPATED       2       9      14      24      NA      NA      NA
TROP DEPRESSION 30      36      34      29      NA      NA      NA
TROPICAL STORM  66      50      46      41      NA      NA      NA
HURRICANE        2       4       6       6      NA      NA      NA
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
HUR CAT 1        2       3       5       6      NA      NA      NA
HUR CAT 2        X       1       X       X      NA      NA      NA
HUR CAT 3        X       X       X       X      NA      NA      NA
HUR CAT 4        X       X       X       X      NA      NA      NA
HUR CAT 5        X       X       X       X      NA      NA      NA
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
FCST MAX WIND   40KT    45KT    30KT    25KT    NA      NA      NA  
                                                                    
                                                                    
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 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       00Z SAT 12Z SAT 00Z SUN 12Z SUN 00Z MON 00Z TUE 00Z WED
PERIODS         TO      TO      TO      TO      TO      TO      TO  
             12Z SAT 00Z SUN 12Z SUN 00Z MON 00Z TUE 00Z WED 00Z THU
                                                                    
FORECAST HOUR    (12)   (24)    (36)    (48)    (72)    (96)   (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
LOCATION       KT                                                   
                                                                    
BROWNSVILLE TX 34  X   X( X)   1( 1)   5( 6)   X( 6)   X( 6)   X( 6)
 
GFMX 250N 960W 34  X   X( X)   3( 3)   6( 9)   X( 9)   X( 9)   X( 9)
 
LA PESCO MX    34  X   3( 3)   9(12)   8(20)   X(20)   X(20)   X(20)
LA PESCO MX    50  X   1( 1)   1( 2)   2( 4)   X( 4)   X( 4)   X( 4)
 
TAMPICO MX     34  9  20(29)   8(37)   2(39)   X(39)   X(39)   X(39)
TAMPICO MX     50  1   3( 4)   3( 7)   1( 8)   X( 8)   X( 8)   X( 8)
TAMPICO MX     64  X   1( 1)   X( 1)   X( 1)   X( 1)   X( 1)   X( 1)
 
TUXPAN MX      34 19   7(26)   4(30)   X(30)   X(30)   X(30)   X(30)
TUXPAN MX      50  1   2( 3)   1( 4)   X( 4)   X( 4)   X( 4)   X( 4)
 
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FORECASTER AVILA                                                    
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