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Tropical Storm Ernesto Wind Speed Probabilities Number 12

2018-08-18 04:32:28| National Hurricane Center (Atlantic)

Issued at 0300 UTC SAT AUG 18 2018 220 FONT15 KNHC 180232 PWSAT5 TROPICAL STORM ERNESTO WIND SPEED PROBABILITIES NUMBER 12 NWS NATIONAL HURRICANE CENTER MIAMI FL AL052018 0300 UTC SAT AUG 18 2018 AT 0300Z THE CENTER OF TROPICAL STORM ERNESTO WAS LOCATED NEAR LATITUDE 50.4 NORTH...LONGITUDE 25.6 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 40 KTS...45 MPH...75 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 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 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 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 $$ FORECASTER BRENNAN

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Summary for Tropical Storm Ernesto (AT5/AL052018)

2018-08-18 04:31:57| National Hurricane Center (Atlantic)

...ERNESTO RACING ACROSS THE NORTH ATLANTIC... ...EXPECTED TO BECOME POST-TROPICAL SATURDAY MORNING... As of 11:00 PM AST Fri Aug 17 the center of Ernesto was located near 50.4, -25.6 with movement ENE at 35 mph. The minimum central pressure was 999 mb with maximum sustained winds of about 45 mph.

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Tropical Storm Ernesto Public Advisory Number 12

2018-08-18 04:31:57| National Hurricane Center (Atlantic)

Issued at 1100 PM AST Fri Aug 17 2018 305 WTNT35 KNHC 180231 TCPAT5 BULLETIN Tropical Storm Ernesto Advisory Number 12 NWS National Hurricane Center Miami FL AL052018 1100 PM AST Fri Aug 17 2018 ...ERNESTO RACING ACROSS THE NORTH ATLANTIC... ...EXPECTED TO BECOME POST-TROPICAL SATURDAY MORNING... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...50.4N 25.6W ABOUT 860 MI...1380 KM N OF THE AZORES MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...ENE OR 60 DEGREES AT 35 MPH...56 KM/H MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM AST (0300 UTC), the center of Tropical Storm Ernesto was located near latitude 50.4 North, longitude 25.6 West. Ernesto is moving toward the east-northeast near 35 mph (56 km/h), and this motion is expected to continue for the next day or so. On the forecast track the post-tropical cyclone and its remnants will move across Ireland and the United Kingdom Saturday night and early Sunday. Maximum sustained winds are near 45 mph (75 km/h) with higher gusts. Ernesto is expected to become post-tropical overnight, and slight weakening is forecast to occur Saturday while Ernesto merges with a frontal zone by Saturday night. Tropical-storm-force winds extend outward up to 175 miles (280 km) mainly to the south and southeast of the center. The estimated minimum central pressure is 999 mb (29.50 inches). HAZARDS AFFECTING LAND ---------------------- Information on rainfall and wind forecasts for Ireland can be found in products issued by Met Eireann at www.met.ie and for the United Kingdom in products issued by the United Kingdom Met Office at www.metoffice.gov/uk. NEXT ADVISORY ------------- Next complete advisory at 500 AM AST. $$ Forecaster Brennan

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Tropical Storm Ernesto Forecast Advisory Number 12

2018-08-18 04:31:57| National Hurricane Center (Atlantic)

Issued at 0300 UTC SAT AUG 18 2018 304 WTNT25 KNHC 180231 TCMAT5 TROPICAL STORM ERNESTO FORECAST/ADVISORY NUMBER 12 NWS NATIONAL HURRICANE CENTER MIAMI FL AL052018 0300 UTC SAT AUG 18 2018 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL STORM CENTER LOCATED NEAR 50.4N 25.6W AT 18/0300Z POSITION ACCURATE WITHIN 40 NM PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR 60 DEGREES AT 30 KT ESTIMATED MINIMUM CENTRAL PRESSURE 999 MB MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT. 34 KT....... 0NE 150SE 130SW 0NW. 12 FT SEAS.. 90NE 210SE 300SW 90NW. 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 50.4N 25.6W AT 18/0300Z AT 18/0000Z CENTER WAS LOCATED NEAR 49.8N 27.7W FORECAST VALID 18/1200Z 52.3N 18.8W...POST-TROPICAL MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 0NE 150SE 130SW 0NW. FORECAST VALID 19/0000Z 54.1N 10.0W...POST-TROP/EXTRATROP MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 0NE 150SE 130SW 0NW. FORECAST VALID 19/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 50.4N 25.6W NEXT ADVISORY AT 18/0900Z $$ FORECASTER BRENNAN

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