Issued at 1500 UTC THU AUG 30 2018


923
FONT11 KNHC 301444
PWSAT1

POTENTIAL TROPICAL CYCLONE SIX WIND SPEED PROBABILITIES NUMBER 1
NWS NATIONAL HURRICANE CENTER MIAMI FL AL062018
1500 UTC THU AUG 30 2018

AT 1500Z THE CENTER OF POTENTIAL TROPICAL CYCLONE SIX WAS LOCATED
NEAR LATITUDE 12.9 NORTH...LONGITUDE 18.4 WEST WITH MAXIMUM
SUSTAINED WINDS NEAR 25 KTS...30 MPH...45 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
12Z 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 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 THU 00Z FRI 12Z FRI 00Z SAT 12Z SAT 12Z SUN 12Z MON
PERIODS TO TO TO TO TO TO TO
00Z FRI 12Z FRI 00Z SAT 12Z SAT 12Z SUN 12Z MON 12Z TUE

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

RIBIERA GRANDE 34 X X( X) 2( 2) 12(14) 2(16) X(16) X(16)

PRAIA CVI 34 X 2( 2) 30(32) 7(39) 1(40) X(40) X(40)
PRAIA CVI 50 X X( X) 4( 4) 2( 6) 1( 7) X( 7) X( 7)

SANTA MARIA CV 34 X 2( 2) 12(14) 3(17) 1(18) X(18) X(18)

$$
FORECASTER AVILA



Source: Potential Tropical Cyclone Six Wind Speed Probabilities Number 1


David Cottle

UBB Owner & Administrator