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Tropical Storm Helene Public Advisory Number 36
2018-09-16 10:42:11| National Hurricane Center (Atlantic)
Issued at 500 AM AST Sun Sep 16 2018 940 WTNT33 KNHC 160842 TCPAT3 BULLETIN Tropical Storm Helene Advisory Number 36 NWS National Hurricane Center Miami FL AL082018 500 AM AST Sun Sep 16 2018 ...HELENE QUICKLY TRANSITIONING TO AN EXTRATROPICAL LOW... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...42.5N 28.4W ABOUT 270 MI...435 KM N OF FAIAL ISLAND IN THE CENTRAL AZORES MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...NE OR 50 DEGREES AT 25 MPH...41 KM/H MINIMUM CENTRAL PRESSURE...993 MB...29.33 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: None. Interests in Ireland and the United Kingdom should consult products from their local meteorological service for information about potential impacts from Helene in those locations. Local forecasts and warnings for the UK can be found on the website of the UK Met Office at https://www.metoffice.gov.uk/. Local forecasts and warnings for Ireland can be found on the website of Met Eireann at https://www.met.ie/. DISCUSSION AND OUTLOOK ---------------------- At 500 AM AST (0900 UTC), the center of Tropical Storm Helene was located near latitude 42.5 North, longitude 28.4 West. Helene is moving toward the northeast near 25 mph (41 km/h), and this motion is expected to continue with an increase in forward speed during the next couple of days. On the forecast track, Helene should move away from the Azores today and then approach Ireland and the United Kingdom tonight and Monday. Maximum sustained winds have decreased to near 50 mph (85 km/h) with higher gusts. Little, if any, change in strength is forecast, and Helene is expected to become an extratropical cyclone today. Tropical-storm-force winds extend outward up to 160 miles (260 km) from the center. The estimated minimum central pressure is 993 mb (29.33 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Winds should continue to abate in the Azores. morning. SURF: Swells generated by Helene are affecting portions of the Azores. These swells are likely to continue for another couple of days and could cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 1100 AM AST. $$ Forecaster Roberts
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