Tropical Storm SAM Advisory 9月28日

ZCZC MIAPWSAT3 ALL
TTAA00 KNHC DDHHMM

HURRICANE SAM WIND SPEED PROBABILITIES NUMBER  21
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL182021
2100 UTC MON SEP 27 2021

AT 2100Z THE CENTER OF HURRICANE SAM WAS LOCATED NEAR LATITUDE 16.3
NORTH...LONGITUDE 52.7 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 105
KTS...120 MPH...195 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 MON 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 MON 06Z TUE 18Z TUE 06Z WED 18Z WED 18Z THU 18Z FRI
PERIODS         TO      TO      TO      TO      TO      TO      TO
             06Z TUE 18Z TUE 06Z WED 18Z WED 18Z THU 18Z FRI 18Z SAT

FORECAST HOUR    (12)   (24)    (36)    (48)    (72)    (96)   (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION       KT

BERMUDA        34  X   X( X)   X( X)   X( X)   X( X)   7( 7)  20(27)
BERMUDA        50  X   X( X)   X( X)   X( X)   X( X)   2( 2)   9(11)
BERMUDA        64  X   X( X)   X( X)   X( X)   X( X)   1( 1)   4( 5)

SAINT MAARTEN  34  X   X( X)   X( X)   X( X)   4( 4)   X( 4)   X( 4)

SABA           34  X   X( X)   X( X)   X( X)   2( 2)   X( 2)   1( 3)

ST EUSTATIUS   34  X   X( X)   X( X)   X( X)   3( 3)   X( 3)   X( 3)

ST KITTS-NEVIS 34  X   X( X)   X( X)   X( X)   3( 3)   X( 3)   X( 3)

BARBUDA        34  X   X( X)   1( 1)   1( 2)   4( 6)   X( 6)   X( 6)

ANTIGUA        34  X   X( X)   X( X)   2( 2)   3( 5)   X( 5)   X( 5)

GUADELOUPE     34  X   X( X)   X( X)   1( 1)   2( 3)   X( 3)   X( 3)

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FORECASTER LATTO
FORECASTER LATTO