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NOAA NOAA United States Department of Commerce

Hurricane ISELLE


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BULLETIN
HURRICANE ISELLE ADVISORY NUMBER  17
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP092014
800 AM PDT MON AUG 04 2014

...ISELLE REACHES CATEGORY 4 STATUS...


SUMMARY OF 800 AM PDT...1500 UTC...INFORMATION
----------------------------------------------
LOCATION...16.2N 136.5W
ABOUT 1245 MI...2005 KM E OF HILO HAWAII
MAXIMUM SUSTAINED WINDS...140 MPH...220 KM/H
PRESENT MOVEMENT...W OR 275 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...947 MB...27.97 INCHES


WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 800 AM PDT...1500 UTC...THE EYE OF HURRICANE ISELLE WAS LOCATED
NEAR LATITUDE 16.2 NORTH...LONGITUDE 136.5 WEST.  ISELLE IS MOVING
TOWARD THE WEST NEAR 10 MPH...17 KM/H.  A SLIGHT DECREASE IN
FORWARD SPEED IS EXPECTED LATER TODAY AND TONIGHT.  ISELLE SHOULD
THEN TURN WEST-NORTHWESTWARD AND ACCELERATE ON TUESDAY.

MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 140 MPH...220 KM/H...
WITH HIGHER GUSTS.  ISELLE IS A CATEGORY FOUR HURRICANE ON THE
SAFFIR-SIMPSON HURRICANE WIND SCALE.  LITTLE CHANGE IN STRENGTH IS
EXPECTED TODAY...BUT GRADUAL WEAKENING IS FORECAST DURING THE NEXT
COUPLE OF DAYS.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105
MILES...165 KM.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 947 MB...27.97 INCHES.


HAZARDS AFFECTING LAND
----------------------
NONE


NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...200 PM PDT.

$$
FORECASTER BERG

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