561
WTPA41 PHFO 240315
TCDCP1
TROPICAL DEPRESSION KILO DISCUSSION NUMBER 14
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI CP032015
500 PM HST SUN AUG 23 2015
THE OVERALL SATELLITE PRESENTATION OF KILO CONTINUES ITS ON AGAIN
OFF AGAIN CYCLE. AFTER A DECENT BURST OF CONVECTION WHICH PEAKED
AROUND SUNRISE THIS MORNING AND ANOTHER SMALLER BURST JUST BEFORE
NOON...OVERALL CONVECTION HAS STEADILY DECREASED. THE LATEST DVORAK
SUBJECTIVE INTENSITY ESTIMATES HAVE NOT CHANGED FROM THE PREVIOUS
PACKAGE...HFO AND JTWC AT 2.0 AND SAB AT 2.5. THE INTENSITY OF KILO
WILL REMAIN AT 30 KT FOR THIS ADVISORY PACKAGE. THE AIRCRAFT FROM
THE 53RD WEATHER RECONNAISSANCE SQUADRON WILL NOT CONDUCT A MISSION
TONIGHT AND HAVE SWITCHED TO A ONCE PER DAY FLIGHTS. THE NEXT FLIGHT
IS SCHEDULED TO SUPPORT THE 00Z FORECAST PACKAGE TOMORROW.
THERE HAVE BEEN NO MARKED CHANGES TO THE ENVIRONMENTAL CONDITIONS
SURROUNDING KILO. SURFACE HIGH PRESSURE REMAINS WELL NORTH OF HAWAII
IN ADDITION TO ANTICYCLONES AT 700 AND 500 MB OVER HAWAII. THIS
ARRANGEMENT HAS KEPT KILO MOVING EITHER DUE WEST OR WEST NORTHWEST.
THE GLOBAL MODELS FORECAST THE SURFACE RIDGE AND LOW TO MID LEVEL
ANTICYCLONES TO WEAKEN OVER THE NEXT 24 HOURS. THIS WEAKNESS SHOULD
ALLOW KILO TO START ITS TURN TOWARD THE NORTHWEST WHICH WE HAVE BEEN
ANTICIPATING FOR THE PAST TWO DAYS. THE TRACK GUIDANCE ENVELOPE
SHIFTED MARKEDLY TO THE LEFT OR WEST THIS TIME AROUND AND THE
OFFICIAL TRACK FORECAST HAS BEEN NUDGED WEST AS WELL. ANY EASTWARD
REGRESSION IN THE TRACK FORECAST WAS REMOVED. THE OFFICIAL TRACK
FORECAST REMAINS ON THE RIGHT OR EASTERN SIDE OF THE GUIDANCE
ENVELOPE IN DAYS 3 THROUGH 5.
KILO REMAINS OVER VERY WARM SEA SURFACE TEMPERATURES...ABUNDANT
OCEAN HEAT CONTENT...AND UNDER LOW VERTICAL WIND SHEAR. KILO HAS
THUS FAR FOUGHT OFF ALL THREE. WITH NO EXPECTED CHANGES...THE 12
HOUR INTENSITY FORECAST HAS BEEN LOWERED TO KEEP KILO AT A TROPICAL
DEPRESSION IN LINE WITH THE GFS. ALTHOUGH GRADUAL INTENSIFICATION IS
STILL EXPECTED...THE INTENSITY FORECAST HAS BEEN SLIGHTLY LOWERED
FROM 24 HOURS AND THEREAFTER....WITH KILO STILL REACHING MINIMUM
HURRICANE STRENGTH AT DAY 3.
A TROPICAL STORM WATCH REMAINS IN EFFECT FOR JOHNSTON ISLAND SINCE
THE SYSTEM IS FORECAST TO PAST CLOSELY TO THE EAST. INTERESTS
IN THE WESTERN MAIN HAWAIIAN ISLANDS...AS WELL AS THE EASTERN
PORTIONS OF THE PAPAHANAUMOKUAKEA NATIONAL MARINE MONUMENT...SHOULD
MONITOR THE PROGRESS OF KILO OVER THE NEXT SEVERAL DAYS.
FORECAST POSITIONS AND MAX WINDS
INIT 24/0300Z 14.5N 166.1W 30 KT 35 MPH
12H 24/1200Z 15.0N 167.1W 30 KT 35 MPH
24H 25/0000Z 15.7N 167.8W 35 KT 40 MPH
36H 25/1200Z 16.4N 167.9W 40 KT 45 MPH
48H 26/0000Z 17.3N 168.0W 50 KT 60 MPH
72H 27/0000Z 18.2N 168.0W 65 KT 75 MPH
96H 28/0000Z 19.2N 168.1W 75 KT 85 MPH
120H 29/0000Z 20.4N 168.8W 80 KT 90 MPH
$$
FORECASTER TANABE
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