WTPA31 PHFO 211446 TCPCP1 BULLETIN Tropical Storm Fernanda Advisory Number 39 NWS Central Pacific Hurricane Center Honolulu HI EP062017 500 AM HST Fri Jul 21 2017 ...FERNANDA WEAKENS WELL TO THE EAST OF HAWAII... SUMMARY OF 500 AM HST...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...18.6N 143.6W ABOUT 755 MI...1215 KM E OF HILO HAWAII ABOUT 945 MI...1525 KM E OF HONOLULU HAWAII MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 500 AM HST (1500 UTC), the center of Tropical Storm Fernanda was located near latitude 18.6 North, longitude 143.6 West. Fernanda is moving toward the west near 12 mph (19 km/h) and a general motion toward the west-northwest is expected during the next couple of days. Maximum sustained winds are near 45 mph (75 km/h) with higher gusts. Some weakening is forecast during the next 48 hours, and Fernanda is expected to become a tropical depression later today or tonight. Tropical-storm-force winds extend outward up to 80 miles (130 km) from the center. The estimated minimum central pressure is 1002 mb (29.59 inches). HAZARDS AFFECTING LAND ---------------------- Surf...Large swells generated by Fernanda will continue to build through the weekend along east facing shores of the main Hawaiian islands. The resultant surf will be large and potentially dangerous. See products issued by the National Weather Service forecast office in Honolulu for details. NEXT ADVISORY ------------- Next complete advisory at 1100 AM HST. $$ Forecaster Jelsema