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NOAA NOAA United States Department of Commerce

Post-Tropical Cyclone ALVIN


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POST-TROPICAL CYCLONE ALVIN WIND SPEED PROBABILITIES NUMBER  16
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP012019
1500 UTC SAT JUN 29 2019

AT 1500Z THE CENTER OF POST-TROPICAL CYCLONE ALVIN WAS LOCATED NEAR
LATITUDE 20.7 NORTH...LONGITUDE 120.5 WEST WITH MAXIMUM SUSTAINED
WINDS NEAR 25 KTS...30 MPH...45 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

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
        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 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       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

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FORECASTER LATTO/BEVEN
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