NWS Hurricane Lane Intermediate Advisory Number 34A

WTPA32 PHFO 230558 TCPCP2  

BULLETIN 

Hurricane Lane Intermediate Advisory Number 34A 

NWS Central Pacific Hurricane Center Honolulu HI   

EP142018 800 PM HST Wed Aug 22 2018  

...DANGEROUS HURRICANE LANE TRACKING NORTHWEST AND ON COURSE TO PASS VERY CLOSE TO THE ISLANDS THURSDAY AND FRIDAY...  

SUMMARY OF 800 PM HST...0600 UTC...

INFORMATION ---------------------------------------------- 

LOCATION...16.0N 156.7W 

ABOUT 260 Miles...415 Kilometers South OF KAILUA-KONA HAWAII 

ABOUT 375 Miles...605 Kilometers South-Southeast OF HONOLULU HAWAII 

MAXIMUM SUSTAINED WINDS...145 Miles Per Hour...230 Kilometers Per Hour 

PRESENT MOVEMENT...Northwesterly OR 315 DEGREES AT 7 Miles Per Hour...11 Kilometers Per Hour 

MINIMUM CENTRAL PRESSURE...939 MB...27.73 INCHES  

  

WATCHES AND WARNINGS -------------------- 

CHANGES WITH THIS ADVISORY:  None.

  

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:  

A Hurricane Warning is in effect for... *Oahu *Maui County...including the islands of Maui, Lanai, Molokai and Kahoolawe *Hawaii County  

A Hurricane Watch is in effect for... *Kauai County...including the islands of Kauai and Niihau  

A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. A warning is typically issued 36 hours before the anticipated first occurrence of tropical-storm- force winds, conditions that make outside preparations difficult or dangerous. Preparations to protect life and property should be rushed to completion.  

A Hurricane Watch means that hurricane conditions are possible within the watch area. A watch is typically issued 48 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations difficult or dangerous.  

Interests in the the Northwestern Hawaiian Islands should monitor the progress of Hurricane Lane.  

For storm information specific to your area, please monitor products issued by the National Weather Service office in Honolulu Hawaii.  


DISCUSSION AND OUTLOOK ---------------------- 

At 800 PM HST (0600 UTC), the eye of Hurricane Lane was located near latitude 16.0 North, longitude 156.7 West. Lane is moving toward the northwest near 7 mph (11 km/h). This motion is expected to continue tonight, with a turn toward the north and a slower forward motion expected on Friday. A turn back toward the west is expected on Saturday. On the forecast track, the center of Lane will move very close to or over the main Hawaiian Islands tomorrow through Friday.  

Maximum sustained winds remain near 145 mph (230 km/h) with higher gusts. Lane is a powerful category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Some weakening is forecast during the next few days, but Lane is expected to remain a hurricane as it approaches the islands.  

Hurricane-force winds extend outward up to 40 miles (65 km) from the center and tropical-storm-force winds extend outward up to 140 miles (220 km).  

The estimated minimum central pressure is 939 mb (27.73 inches).  


HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are expected on portions of the Big Island beginning early Thursday morning, with hurricane conditions expected in some areas Thursday afternoon or Thursday night. Tropical storm conditions are expected to begin over portions of Maui county on Thursday, with hurricane conditions expected in some areas Thursday night into Friday. Tropical storm conditions are expected to begin on Oahu late Thursday night, with hurricane conditions expected Friday into Friday night.  

RAINFALL: Rain bands from Hurricane Lane will continue to gradually overspread the Hawaiian Islands tonight and Thursday. Excessive rainfall associated with Lane is expected to affect portions of the Hawaiian Islands from late today into the weekend. This could lead to major flash flooding and landslides. Lane is expected to produce total rain accumulations of 10 to 15 inches with localized amounts in excess of 20 inches over the Hawaiian Islands.  

SURF: As Lane is slow-moving, large swells generated by Lane will severely impact the Hawaiian Islands over the next couple of days. These swells will produce very large and likely damaging surf along exposed west and south facing shorelines.  

STORM SURGE: The combination of a dangerous storm surge and large breaking waves will raise water levels by as much as 2 to 4 feet above normal tide levels along south and west facing shores near the center of Lane. The surge will be accompanied by large and destructive waves.  


NEXT ADVISORY ------------- 

Next complete advisory at 1100 PM HST.  

$$ Forecaster Birchard

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