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 416 
 WTPA42 PHFO 220619 CCA
 TCDCP2
 
 Hurricane Lane Special Discussion Number  30
 NWS Central Pacific Hurricane Center Honolulu HI   EP142018
 645 PM HST Tue Aug 21 2018
  
 Data from the NOAA P-3 aircraft indicate that Lane has strengthened
 to a category 5 hurricane, and this special advisory represents an
 update to the current intensity, and the forecast intensity through
 the first 36 hours. No changes were made to the remainder of the
 forecast. 
 
  
 KEY MESSAGES:
  
 1. Lane is forecast to move dangerously close to the main Hawaiian
 Islands as a hurricane later this week, potentially bringing
 damaging winds and life-threatening flash flooding from heavy
 rainfall anywhere in the state. As Lane is expected to be
 slow-moving as it nears the islands, it will produce large and
 damaging surf.
  
 2. As Lane moves up from the southeast, the earliest potential
 threat to land will be for the Big Island, where a Hurricane Warning
 is now in effect. Preparations there should be rushed to completion
 as tropical-storm force winds are forecast to arrive in the warning
 area by late Wednesday or early Thursday. A Hurricane Watch remains
 in effect for Maui County, and is now posted for Oahu, with
 tropical-storm force winds possibly beginning Thursday or Thursday
 night.
  
 3. Due to a continued high degree of uncertainty on the forecast
 track and intensity of Lane, hurricane impacts could be felt across
 any of the Hawaiian Islands. It is too early to predict which, if
 any, of the islands are directly impacted. Remember that life
 threatening weather conditions can extend well away from the center
 of the hurricane.  Interests throughout Hawaii are urged to closely
 monitor the progress of Lane during the next few days.
 
  
 FORECAST POSITIONS AND MAX WINDS
  
 INIT  22/0430Z 14.5N 154.0W  140 KT 160 MPH
  12H  22/1200Z 15.0N 155.0W  135 KT 155 MPH
  24H  23/0000Z 16.0N 156.0W  130 KT 150 MPH
  36H  23/1200Z 17.2N 156.8W  120 KT 140 MPH
  48H  24/0000Z 18.6N 157.3W  100 KT 115 MPH
  72H  25/0000Z 21.1N 158.7W   75 KT  85 MPH
  96H  26/0000Z 21.5N 161.5W   50 KT  60 MPH
 120H  27/0000Z 21.0N 164.5W   40 KT  45 MPH
  
 $$
 Forecaster Birchard
 
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