Hurricane Lane update August 23 2018

 In Event News

Our data partner, Meteorological Connections, has issued the following discussion update for Hurricane Lane:

Hawaii: Most severe threat is flooding; Hurricane Warnings Issued

Location:  16.9 N / 157.4 W (210 miles south-southwest of Kailua-Kona, Hawaii) (Advisory 36 as of August 23 1500z)

Winds:  130 mph (115 KTs) CAT 4

Central Pressure:  949 Mb

Discussion:

According to the Central Pacific Hurricane Center (CPHC), Hurricane Lane has weakened a little and is moving to the northwest at 7 mph.

Hurricane Lane is forecast to continue a slow weakening over the next day or so and then a more rapid weakening is expected.  The track will gradually become more northerly as Oahu is approached but a turn to the west is expected before landfall.  Hurricane Lane is decreasing in organization due to increasing wind shear and interaction with the high mountains, particularly in Hawaii.

The forecast models keep wind speeds at tropical strength  levels across the islands but a Hurricane Warning remains in place for most islands due to the uncertainty (and close call) of the track.

Flooding – especially across the island of Hawaii – is  the most threatening impact.  Rainfall of more than 20 inches across Hawaii is expected with locally more than 30 inches in favored upslope regions.  The steep terrain and high rain rates will cause significant flooding.  Most other islands are under a flooding threat as well.

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