TCPCP1 04:37:42.1767

NOTE: This is not to be used for life critical applications .  Please refer to official National Weather Service/NOAA websites and publications
----------1100 PM HST Mon Oct 01 2018
...WALAKA REMAINS A DANGEROUS CATEGORY 5 HURRICANE HEADING TOWARD JOHNSTON ISLAND...
 SUMMARY OF 1100 PM HST...0900 UTC...INFORMATION ----------------------------------------------- LOCATION...13.7N 170.0W ABOUT 210 MI...340 KM S OF JOHNSTON ISLAND ABOUT 955 MI...1535 KM WSW OF HONOLULU HAWAII MAXIMUM SUSTAINED WINDS...160 MPH...260 KM/H PRESENT MOVEMENT...NNW OR 330 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...921 MB...27.20 INCHES
 WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY:
None.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Hurricane Warning is in effect for... * Johnston Atoll
A Hurricane Watch is in effect for... * Papahanaumokuakea Marine National Monument from Nihoa to French Frigate Shoals to Maro Reef
A Hurricane Warning means that hurricane conditions are expected in the warning area within 36 hours.
A Hurricane Watch means that hurricane conditions are possible within the watch area within 48 hours.
 DISCUSSION AND OUTLOOK ---------------------- At 1100 PM HST (0900 UTC), the center of Hurricane Walaka was located near latitude 13.7 North, longitude 170.0 West. Walaka is moving toward the north-northwest near 8 mph (13 km/h). A turn toward the north is expected later tonight with an increase in forward speed expected Tuesday through Wednesday. On the forecast track, the center of Walaka is expected to pass just to the west of Johnston Island on Tuesday.
Maximum sustained winds are near 160 mph (260 km/h) with higher gusts.  Walaka is a category 5 hurricane on the Saffir-Simpson Hurricane Wind Scale. Little change in intensity is expected through Tuesday, with a weakening trend expected to begin late Tuesday night or early Wednesday.
Hurricane-force winds extend outward up to 45 miles (75 km) from the center and tropical-storm-force winds extend outward up to 185 miles (295 km).
The estimated minimum central pressure is 921 mb (27.20 inches).
 HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm force winds are expected across Johnston Island starting late tonight, with hurricane conditions expected by Tuesday afternoon.
SURF: Large surf will continue to affect the Johnston Island reefs and shorelines through Wednesday.
RAINFALL: Heavy rainfall associated with Walaka will continue across Johnston Island through early Wednesday.
 NEXT ADVISORY ------------- Next intermediate advisory at 200 AM HST. Next complete advisory at 500 AM HST.
$$ Forecaster Jelsema
---------- tags: weatherwire,weather,update