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Summary for Tropical Depression Nine (AT4/AL092018)
2018-09-08 16:53:38| National Hurricane Center (Atlantic)
...DEPRESSION EXPECTED TO MOVE WESTWARD AND BECOME A TROPICAL STORM LATER TODAY OVER THE EASTERN TROPICAL ATLANTIC... As of 11:00 AM AST Sat Sep 8 the center of Nine was located near 14.6, -36.0 with movement WNW at 6 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 35 mph.
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Tropical Depression Nine Public Advisory Number 4
2018-09-08 16:53:38| National Hurricane Center (Atlantic)
Issued at 1100 AM AST Sat Sep 08 2018 861 WTNT34 KNHC 081453 TCPAT4 BULLETIN Tropical Depression Nine Advisory Number 4 NWS National Hurricane Center Miami FL AL092018 1100 AM AST Sat Sep 08 2018 ...DEPRESSION EXPECTED TO MOVE WESTWARD AND BECOME A TROPICAL STORM LATER TODAY OVER THE EASTERN TROPICAL ATLANTIC... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...14.6N 36.0W ABOUT 1680 MI...2700 KM E OF THE WINDWARD ISLANDS MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 6 MPH...9 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM AST (1500 UTC), the center of Tropical Depression Nine was located near latitude 14.6 North, longitude 36.0 West. The depression is moving toward the west-northwest near 6 mph (9 km/h). A turn toward the west and an increase in forward speed are expected later today and tonight, with a westward motion continuing into early next week. Maximum sustained winds are near 35 mph (55 km/h) with higher gusts. Gradual strengthening is forecast during the next few days, and the depression is expected to become a tropical storm later today and a hurricane by early next week. The estimated minimum central pressure is 1007 mb (29.74 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 500 PM AST. $$ Forecaster Beven
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Tropical Depression Nine Forecast Advisory Number 4
2018-09-08 16:53:38| National Hurricane Center (Atlantic)
Issued at 1500 UTC SAT SEP 08 2018 862 WTNT24 KNHC 081453 TCMAT4 TROPICAL DEPRESSION NINE FORECAST/ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092018 1500 UTC SAT SEP 08 2018 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL DEPRESSION CENTER LOCATED NEAR 14.6N 36.0W AT 08/1500Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT 5 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 14.6N 36.0W AT 08/1500Z AT 08/1200Z CENTER WAS LOCATED NEAR 14.5N 35.7W FORECAST VALID 09/0000Z 14.7N 36.9W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 40NE 0SE 0SW 40NW. FORECAST VALID 09/1200Z 14.8N 38.5W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 40NE 0SE 0SW 40NW. FORECAST VALID 10/0000Z 14.8N 40.8W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 20NE 0SE 0SW 20NW. 34 KT... 50NE 30SE 30SW 40NW. FORECAST VALID 10/1200Z 14.8N 43.5W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 30NE 20SE 0SW 20NW. 34 KT... 60NE 40SE 30SW 50NW. FORECAST VALID 11/1200Z 14.5N 49.0W MAX WIND 75 KT...GUSTS 90 KT. 50 KT... 30NE 20SE 0SW 30NW. 34 KT... 70NE 50SE 40SW 60NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 12/1200Z 14.5N 55.0W MAX WIND 80 KT...GUSTS 100 KT. OUTLOOK VALID 13/1200Z 14.5N 60.0W MAX WIND 75 KT...GUSTS 90 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.6N 36.0W NEXT ADVISORY AT 08/2100Z $$ FORECASTER BEVEN
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Tropical Depression Nine Wind Speed Probabilities Number 4
2018-09-08 16:53:38| National Hurricane Center (Atlantic)
Issued at 1500 UTC SAT SEP 08 2018 864 FONT14 KNHC 081453 PWSAT4 TROPICAL DEPRESSION NINE WIND SPEED PROBABILITIES NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092018 1500 UTC SAT SEP 08 2018 AT 1500Z THE CENTER OF TROPICAL DEPRESSION NINE WAS LOCATED NEAR LATITUDE 14.6 NORTH...LONGITUDE 36.0 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 30 KTS...35 MPH...55 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 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 VIEQUES PR 34 X X( X) X( X) X( X) X( X) X( X) 4( 4) SAINT THOMAS 34 X X( X) X( X) X( X) X( X) X( X) 5( 5) SAINT CROIX 34 X X( X) X( X) X( X) X( X) X( X) 6( 6) SAINT MAARTEN 34 X X( X) X( X) X( X) X( X) X( X) 9( 9) ST KITTS-NEVIS 34 X X( X) X( X) X( X) X( X) X( X) 13(13) ST KITTS-NEVIS 50 X X( X) X( X) X( X) X( X) X( X) 4( 4) ST KITTS-NEVIS 64 X X( X) X( X) X( X) X( X) X( X) 1( 1) BARBUDA 34 X X( X) X( X) X( X) X( X) 1( 1) 14(15) BARBUDA 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) BARBUDA 64 X X( X) X( X) X( X) X( X) X( X) 1( 1) ANTIGUA 34 X X( X) X( X) X( X) X( X) 1( 1) 16(17) ANTIGUA 50 X X( X) X( X) X( X) X( X) X( X) 5( 5) ANTIGUA 64 X X( X) X( X) X( X) X( X) X( X) 1( 1) GUADELOUPE 34 X X( X) X( X) X( X) X( X) 2( 2) 19(21) GUADELOUPE 50 X X( X) X( X) X( X) X( X) X( X) 8( 8) GUADELOUPE 64 X X( X) X( X) X( X) X( X) X( X) 3( 3) AVES 34 X X( X) X( X) X( X) X( X) X( X) 15(15) AVES 50 X X( X) X( X) X( X) X( X) X( X) 4( 4) AVES 64 X X( X) X( X) X( X) X( X) X( X) 1( 1) DOMINICA 34 X X( X) X( X) X( X) X( X) 2( 2) 24(26) DOMINICA 50 X X( X) X( X) X( X) X( X) X( X) 10(10) DOMINICA 64 X X( X) X( X) X( X) X( X) X( X) 4( 4) MARTINIQUE 34 X X( X) X( X) X( X) X( X) 3( 3) 26(29) MARTINIQUE 50 X X( X) X( X) X( X) X( X) 1( 1) 10(11) MARTINIQUE 64 X X( X) X( X) X( X) X( X) X( X) 4( 4) SAINT LUCIA 34 X X( X) X( X) X( X) X( X) 2( 2) 25(27) SAINT LUCIA 50 X X( X) X( X) X( X) X( X) 1( 1) 10(11) SAINT LUCIA 64 X X( X) X( X) X( X) X( X) X( X) 5( 5) SAINT VINCENT 34 X X( X) X( X) X( X) X( X) 1( 1) 21(22) SAINT VINCENT 50 X X( X) X( X) X( X) X( X) X( X) 9( 9) SAINT VINCENT 64 X X( X) X( X) X( X) X( X) X( X) 3( 3) BARBADOS 34 X X( X) X( X) X( X) X( X) 5( 5) 26(31) BARBADOS 50 X X( X) X( X) X( X) X( X) 1( 1) 12(13) BARBADOS 64 X X( X) X( X) X( X) X( X) 1( 1) 5( 6) GRENADA 34 X X( X) X( X) X( X) X( X) 1( 1) 13(14) GRENADA 50 X X( X) X( X) X( X) X( X) X( X) 6( 6) GRENADA 64 X X( X) X( X) X( X) X( X) X( X) 3( 3) TRINIDADTOBAGO 34 X X( X) X( X) X( X) X( X) 1( 1) 11(12) TRINIDADTOBAGO 50 X X( X) X( X) X( X) X( X) X( X) 4( 4) TRINIDADTOBAGO 64 X X( X) X( X) X( X) X( X) X( X) 2( 2) PORT OF SPAIN 34 X X( X) X( X) X( X) X( X) X( X) 6( 6) JUANGRIEGO 34 X X( X) X( X) X( X) X( X) X( X) 6( 6) $$ FORECASTER BEVEN
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Tropical Depression Eighteen-E Graphics
2018-09-08 16:43:30| National Hurricane Center (East Pacific)
5-Day Uncertainty Track last updated Sat, 08 Sep 2018 14:43:30 GMT Wind Speed Probabilities last updated Sat, 08 Sep 2018 14:43:30 GMT
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