TCPCP1 20:03:21.2267

NOTE: This is not to be used for life critical applications .  Please refer to official National Weather Service/NOAA websites and publications
----------200 PM HST Tue Oct 02 2018
...EYE OF WALAKA ONLY 60 MILES SOUTHWEST OF JOHNSTON ATOLL AND WILL PASS NEARBY TO THE WEST OF THE ATOLL THIS EVENING...
 SUMMARY OF 200 PM HST...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...16.1N 170.2W ABOUT 60 MI...95 KM SW OF JOHNSTON ISLAND ABOUT 590 MI...950 KM SSW OF FRENCH FRIGATE SHOALS MAXIMUM SUSTAINED WINDS...150 MPH...240 KM/H PRESENT MOVEMENT...N OR 355 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...932 MB...27.53 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 * Papahanaumokuakea Marine National Monument from French Frigate Shoals to Maro Reef
A Tropical Storm Warning is in effect for... * Papahanaumokuakea Marine National Monument from Nihoa to French Frigate Shoals
A Hurricane Warning means that hurricane conditions are expected in the warning area within 36 hours.
A Tropical Storm Warning means that tropical storm conditions are expected within the warning area within 36 hours.
For storm information specific to your area, please monitor products issued by the National Weather Service office in Honolulu Hawaii.
 DISCUSSION AND OUTLOOK ---------------------- At 200 PM HST (0000 UTC), the center of Hurricane Walaka was located near latitude 16.1 North, longitude 170.2 West. Walaka is moving toward the north near 12 mph (19 km/h). This general motion is expected to continue through Wednesday night with a steady increase in forward speed. On the forecast track, the center of Walaka is expected to pass just to the west of Johnston Atoll early this evening, then across portions of the Papahanaumokuakea Marine National Monument on Wednesday night.
Maximum sustained winds are near 150 mph (240 km/h) with higher gusts.  Walaka is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale.  Slight weakening is expected through tonight, with rapid weakening forecast Wednesday and Thursday.
Hurricane-force winds extend outward up to 40 miles (65 km) from the center and tropical-storm-force winds extend outward up to 185 miles (295 km).
The estimated minimum central pressure is 932 mb (27.53 inches).
 HAZARDS AFFECTING LAND ---------------------- WIND: Hurricane conditions expected to begin soon on Johnston Atoll, continuing through this evening. Tropical storm force winds are expected across the Papahanaumokuakea Marine National Monument from Nihoa to French Frigate Shoals to Maro Reef beginning late Wednesday, with hurricane conditions expected over portions of the area Wednesday night.
SURF: Large surf associated with Walaka will continue to affect the Johnston Atoll through Wednesday. Large surf will affect the Papahanaumokuakea Marine National Monument from Nihoa to French Frigate Shoals to Maro Reef beginning early Wednesday.
RAINFALL: Heavy rainfall associated with Walaka will continue across Johnston Atoll through early Wednesday, and will reach the Papahanaumokuakea Marine National Monument from Nihoa to French Frigate Shoals to Maro Reef on Wednesday.
 NEXT ADVISORY ------------- Next complete advisory at 500 PM HST.
$$ Forecaster R Ballard
---------- tags: weatherwire,weather,update