Categorized | Hurricane, News, Weather

Hurricane Iselle closes in on the Big Island, Hurricane Warning issued

20140806-2300HST-Hurricane-Iselle-track

Hawaii County Civil Defense Message

Information on closures due to Hurricane Iselle.

Currently Hurricane Iselle is a Category One Hurricane and may still be hurricane strength when it reaches the Big Island.

For a reminder of how to prepare for a possible hurricane read this or go to our ‘Be Prepared’ menu near the top of this page.

HURRICANE ISELLE ADVISORY NUMBER  29
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   EP092014
1100 PM HST WED AUG 06 2014
 
...ISELLE STILL HEADING FOR THE BIG ISLAND...MAINTAINING HURRICANE 
INTENSITY...
 
 
SUMMARY OF 1100 PM HST...0900 UTC...INFORMATION
-----------------------------------------------
LOCATION...18.1N 149.1W
ABOUT 405 MI...655 KM ESE OF HILO HAWAII
ABOUT 615 MI...985 KM ESE OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 18 MPH...30 KM/H
MINIMUM CENTRAL PRESSURE...982 MB...29.00 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
NONE.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A HURRICANE WARNING IS IN EFFECT FOR...
* HAWAII COUNTY
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* MAUI COUNTY...INCLUDING THE ISLANDS OF MAUI...MOLOKAI...LANAI...
  AND KAHOOLAWE.
* OAHU
 
A TROPICAL STORM 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. PREPARATIONS TO PROTECT LIFE AND
PROPERTY SHOULD BE RUSHED TO COMPLETION.
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE SOMEWHERE WITHIN THE WATCH AREA WITHIN THE NEXT 48 HOURS.
 
INTERESTS IN THE NORTHWEST HAWAIIAN ISLANDS SHOULD MONITOR THE
PROGRESS OF ISELLE.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
HONOLULU HAWAII.
 
 
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 PM HST...0900 UTC...THE CENTER OF HURRICANE ISELLE WAS
LOCATED NEAR LATITUDE 18.1 NORTH...LONGITUDE 149.1 WEST. ISELLE IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 18 MPH...30 KM/H...AND THIS
MOTION IS EXPECTED TO CONTINUE THROUGH THURSDAY...WITH SOME SLOWING 
IN FORWARD SPEED ON FRIDAY. ON THE FORECAST TRACK...THE CENTER OF 
ISELLE IS EXPECTED TO PASS VERY NEAR OR OVER THE BIG ISLAND THURSDAY 
NIGHT...AND PASS JUST SOUTH OF THE SMALLER ISLANDS FRIDAY.  
 
MAXIMUM SUSTAINED WINDS ARE NEAR 90 MPH...150 KM/H...WITH HIGHER
GUSTS. SOME WEAKENING IS FORECAST DURING THE NEXT 48 HOURS...BUT 
ISELLE IS NOW EXPECTED TO BE A HURRICANE AS IT PASSES NEAR OR OVER 
THE BIG ISLAND.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140
MILES...220 KM.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 982 MB...29.00 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
WIND...THE ONSET OF TROPICAL STORM CONDITIONS IS EXPECTED ON THE
BIG ISLAND OF HAWAII THURSDAY AFTERNOON...WITH HURRICANE CONDITIONS
EXPECTED THURSDAY NIGHT. TROPICAL STORM CONDITIONS ARE EXPECTED
OVER MAUI COUNTY THURSDAY NIGHT...AND FOR OAHU LATE THURSDAY NIGHT 
AND FRIDAY. TROPICAL STORM CONDITIONS ARE POSSIBLE FOR KAUAI COUNTY 
ON FRIDAY.
 
SURF...SWELLS GENERATED BY ISELLE WILL CONTINUE TO BUILD ALONG EAST
FACING SHORES AND VERY LARGE...DAMAGING SURF IS EXPECTED ALONG
MAINLY EAST AND SOUTHEAST FACING SHORES STARTING EARLY THURSDAY.
 
RAINFALL...RAINFALL TOTALS OF 5 TO 8 INCHES...WITH ISOLATED MAXIMUM
AMOUNTS TO 12 INCHES...ARE EXPECTED ALONG THE TRACK OF ISELLE.
THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AS WELL AS
ROCK AND MUD SLIDES.
 
STORM SURGE...THE COMBINATION OF A DANGEROUS STORM SURGE AND THE
TIDE WILL CAUSE NORMALLY DRY AREAS NEAR THE COAST TO BE FLOODED BY
RISING WATERS. THE WATER COULD REACH THE FOLLOWING HEIGHTS ABOVE
GROUND IF THE PEAK SURGE OCCURS AT THE TIME OF HIGH TIDE...
 
BIG ISLAND WINDWARD AND KAU...1 TO 3 FT
 
THE HIGHEST WATER WILL OCCUR ALONG THE IMMEDIATE COAST IN AREAS OF
ONSHORE FLOW. THE SURGE WILL BE ACCOMPANIED BY LARGE AND DAMAGING
WAVES. SURGE RELATED FLOODING DEPENDS ON THE RELATIVE TIMING OF THE
SURGE AND THE TIDAL CYCLE...AND CAN VARY GREATLY OVER SHORT
DISTANCES.
 
 
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...200 AM HST.
NEXT COMPLETE ADVISORY...500 AM HST.
Central Pacific Infrared Images

Central Pacific Infrared Images

For links to the latest weather forecasts, reports, radar and satellite imagery visit our Weather Page at hawaii247.com/weather

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.

 

 

Become a fan on facebook

 

 

Quantcast
%d bloggers like this: