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Hurricane Isaac Public Advisory Number 14
2024-09-29 10:38:52| National Hurricane Center (Atlantic)
Issued at 900 AM GMT Sun Sep 29 2024 000 WTNT35 KNHC 290838 TCPAT5 BULLETIN Hurricane Isaac Advisory Number 14 NWS National Hurricane Center Miami FL AL102024 900 AM GMT Sun Sep 29 2024 ...ISAAC STILL A HURRICANE... ...LARGE AREA OF DANGEROUS HIGH SEAS SPREADING SEVERAL HUNDRED MILES FROM ISAAC'S CENTER... SUMMARY OF 900 AM GMT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...42.6N 36.5W ABOUT 590 MI...955 KM NW OF THE AZORES MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...NE OR 45 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...969 MB...28.62 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 900 AM GMT (0900 UTC), the center of Hurricane Isaac was located near latitude 42.6 North, longitude 36.5 West. Isaac is moving toward the northeast near 13 mph (20 km/h), and this general motion is expected to continue during the next couple of days, followed by a turn toward the north-northeast to north on Tuesday. Maximum sustained winds have decreased near 80 mph (130 km/h) with higher gusts, and continued weakening is expected over the next few days. Isaac is forecast to become a post-tropical cyclone by early Monday. Hurricane-force winds extend outward up to 45 miles (75 km) from the center and tropical-storm-force winds extend outward up to 205 miles (335 km). The estimated minimum central pressure is 969 mb (28.62 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Swells generated by Isaac and a large wind fetch from a deep-layer trough will affect the Azores over the next few days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 300 PM GMT. $$ Forecaster Roberts
Category:Transportation and Logistics
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Hurricane Isaac Wind Speed Probabilities Number 14
2024-09-29 10:38:49| National Hurricane Center (Atlantic)
Issued at 0900 UTC SUN SEP 29 2024 000 FONT15 KNHC 290838 PWSAT5 HURRICANE ISAAC WIND SPEED PROBABILITIES NUMBER 14 NWS NATIONAL HURRICANE CENTER MIAMI FL AL102024 0900 UTC SUN SEP 29 2024 AT 0900Z THE CENTER OF HURRICANE ISAAC WAS LOCATED NEAR LATITUDE 42.6 NORTH...LONGITUDE 36.5 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 70 KTS...80 MPH...130 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 06Z SUN 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 06Z SUN 18Z SUN 06Z MON 18Z MON 06Z TUE 06Z WED 06Z THU PERIODS TO TO TO TO TO TO TO 18Z SUN 06Z MON 18Z MON 06Z TUE 06Z WED 06Z THU 06Z FRI FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT $$ FORECASTER ROBERTS
Category: Transportation and Logistics
Hurricane Isaac Forecast Advisory Number 14
2024-09-29 10:38:48| National Hurricane Center (Atlantic)
Issued at 0900 UTC SUN SEP 29 2024 000 WTNT25 KNHC 290838 TCMAT5 HURRICANE ISAAC FORECAST/ADVISORY NUMBER 14 NWS NATIONAL HURRICANE CENTER MIAMI FL AL102024 0900 UTC SUN SEP 29 2024 HURRICANE CENTER LOCATED NEAR 42.6N 36.5W AT 29/0900Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE NORTHEAST OR 45 DEGREES AT 11 KT ESTIMATED MINIMUM CENTRAL PRESSURE 969 MB MAX SUSTAINED WINDS 70 KT WITH GUSTS TO 85 KT. 64 KT....... 20NE 40SE 30SW 20NW. 50 KT....... 50NE 70SE 60SW 60NW. 34 KT.......180NE 130SE 120SW 160NW. 12 FT SEAS..240NE 450SE 330SW 270NW. 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 42.6N 36.5W AT 29/0900Z AT 29/0600Z CENTER WAS LOCATED NEAR 42.3N 37.0W FORECAST VALID 29/1800Z 43.5N 34.9W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 50NE 60SE 50SW 60NW. 34 KT...180NE 120SE 120SW 160NW. FORECAST VALID 30/0600Z 44.5N 31.8W...POST-TROPICAL MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 30NE 40SE 20SW 30NW. 34 KT...160NE 130SE 120SW 150NW. FORECAST VALID 30/1800Z 46.0N 28.7W...POST-TROP/EXTRATROP MAX WIND 45 KT...GUSTS 55 KT. 34 KT...130NE 110SE 90SW 120NW. FORECAST VALID 01/0600Z 47.8N 26.3W...POST-TROP/EXTRATROP MAX WIND 40 KT...GUSTS 50 KT. 34 KT...130NE 70SE 30SW 100NW. FORECAST VALID 01/1800Z 49.9N 25.2W...POST-TROP/EXTRATROP MAX WIND 35 KT...GUSTS 45 KT. 34 KT...200NE 70SE 20SW 100NW. FORECAST VALID 02/0600Z 52.0N 24.6W...POST-TROP/EXTRATROP MAX WIND 35 KT...GUSTS 45 KT. 34 KT...200NE 90SE 0SW 80NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 125 NM ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 03/0600Z 56.4N 20.8W...POST-TROP/EXTRATROP MAX WIND 35 KT...GUSTS 45 KT. 34 KT...100NE 60SE 0SW 0NW. OUTLOOK VALID 04/0600Z 60.3N 16.8W...POST-TROP/EXTRATROP MAX WIND 35 KT...GUSTS 45 KT. 34 KT...100NE 60SE 0SW 0NW. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 42.6N 36.5W NEXT ADVISORY AT 29/1500Z $$ FORECASTER ROBERTS
Category: Transportation and Logistics