Tropical Storm Olivia Public Advisory #43A, 11 September 2018


Accessed on 11 September 2018, 1410 UTC, Post #686.

Source:

http://www.prh.noaa.gov/cphc/tcpages/?storm=Olivia

Please scroll down to read the current status of Tropical Storm Olivia.

Comment:

According to the Central Pacific Hurricane Center in Honolulu, Tropical Storm Olivia should impact the state sometime between this evening (Tuesday) and early Wednesday morning.  The storm packs maximum winds of 65 mph with higher gusts.  Expect heavy rain, wind, and flooding. Make sure your emergency kits are ready.  Fill up your vehicle’s gas tank and have some cash on hand in case power failures render ATMs and service station pumps inoperable.

Here’s the current status of Tropical Storm Olivia:

WTPA35 PHFO 111200 TCPCP5 BULLETIN Tropical Storm Olivia Intermediate Advisory Number 43A NWS Central Pacific Hurricane Center Honolulu HI EP172018 200 AM HST Tue Sep 11 2018 …OLIVIA CONTINUES MOVING TOWARD HAWAII… SUMMARY OF 200 AM HST…1200 UTC…INFORMATION ———————————————- LOCATION…21.9N 150.7W ABOUT 320 MI…515 KM ENE OF HILO HAWAII ABOUT 470 MI…755 KM E OF HONOLULU HAWAII MAXIMUM SUSTAINED WINDS…65 MPH…100 KM/H PRESENT MOVEMENT…W OR 270 DEGREES AT 10 MPH…17 KM/H MINIMUM CENTRAL PRESSURE…999 MB…29.50 INCHES WATCHES AND WARNINGS ——————– CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for… * Oahu * Maui County…including the islands of Maui, Molokai, Lanai, and Kahoolawe * Hawaii County A Tropical Storm Watch is in effect for… * Kauai County…including the islands of Kauai and Niihau. A Tropical Storm Warning means that tropical storm conditions are expected somewhere in the warning area within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible in the watch area within 48 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 AM HST (1200 UTC), the center of Tropical Storm Olivia was located near latitude 21.9 North, longitude 150.7 West. Olivia is moving toward the west near 10 mph (17 km/h). A turn to the west-southwest is expected later today, with this general motion continuing for the next couple of days. On the forecast track, the center of Olivia will be moving over portions of the main Hawaiian Islands late tonight into Wednesday. Maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Gradual weakening is forecast during the next 48 hours, but Olivia is expected to remain a tropical storm as it moves over the islands. Tropical-storm-force winds extend outward up to 105 miles (165 km) from the center. The estimated minimum central pressure is 999 mb (29.50 inches). HAZARDS AFFECTING LAND ———————- WIND: Tropical storm conditions are expected over Maui County and the Big Island starting later today or tonight. Tropical storm conditions are expected over Oahu starting Wednesday morning. Tropical storm conditions are possible over Kauai County starting Wednesday afternoon or evening. RAINFALL: Olivia is expected to produce total rainfall accumulations of 10 to 15 inches, with isolated maximum amounts of 20 inches possible. This rainfall may produce life-threatening flash flooding. SURF: Large swells generated by Olivia will impact the main Hawaiian Islands over the next couple of days. This will cause surf to build, mainly along exposed east facing shores, and surf may become damaging. NEXT ADVISORY ————- Next complete advisory at 500 AM HST. $$ Forecaster Birchard
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Hawaii Island Amateur/Ham Radio notes:

Assuming we get through Tropical Storm Olivia intact, we can expect an exciting and fun contest on Sunday, 16 September 2018, as the Fifth Annual Hawaiian Islands Grid Madness begins.  The event will run between 1300 and 1700 UTC.  The Aulani Hui Amateru Repeater Club sponsors this fun event “to test your equipment, coverage and operating skills using simplex FM on 2 meters and 70 cm.”  For more information, please visit https://gridmadness.blogspot.com.

For the latest Amateur/Ham Radio news and information, please check the blog sidebars and links.  These news feeds are updated daily and weekly.

Aloha es 73 de

Russell Roberts (KH6JRM0

Public Information Coodinator

Hawaii County, ARRL Pacific Section