578
WTPA41 PHFO 090844
TCDCP1
TROPICAL STORM KIKA DISCUSSION NUMBER 10
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI CP012008
1100 PM HST FRI AUG 08 2008
THE IMPROVED ORGANIZATION THAT KIKA EXHIBITED DURING THE DAYLIGHT
HOURS HAS CONTINUED THIS EVENING...WITH THE LOW-LEVEL CENTER NOW
UNDER PERSISTENT DEEP CONVECTION. THE 0600 UTC SATELLITE INTENSITY
ESTIMATE FROM PHFO WAS 35 KT WHEREAS JTWC AND SAB HAD 30 KT. GIVEN
THE IMPROVED SATELLITE APPEARANCE...AND A JUST-RECEIVED QUIKSCAT
PASS THAT CONTAINED /RAIN-FLAGGED/ 40 KT WINDS...KIKA IS DEEMED TO
BE A TROPICAL STORM ONCE AGAIN.
THE INITIAL MOTION OF 280/12KT REMAINS UNCHANGED SINCE MORNING...AS
DOES THE TRACK PHILOSOPHY. A DEEP ANTICYCLONE NORTH OF THE CYCLONE
WILL KEEP KIKA MOVING SLIGHTLY NORTH OF WEST...WITH THE OFFICIAL
FORECAST CLOSE TO THE TIGHTLY CLUSTERED MODEL GUIDANCE...AND VERY
CLOSE TO THE PREVIOUS FORECAST.
THE INTENSITY FORECAST IS A LITTLE MORE PROBLEMATIC...AS SHEAR HAS
BEEN LIGHT AND SEA SURFACE TEMPERATURES /SST/ SUFFICIENTLY WARM FOR
INTENSIFICATION...YET KIKA HAS NOT DONE SO IN THE 24 HOURS LEADING
UP TO THIS AFTERNOON. HOWEVER...RECENT TRENDS INDICATE THAT KIKA MAY
BE IN LINE FOR FURTHER INTENSIFICATION AS INDICATED BY SHIPS AND
CONSENSUS MODELS...AND THE INTENSITY FORECAST HAS BEEN NUDGED
UPWARD. IF CURRENT TRENDS CONTINUE...THE INTENSITY FORECAST WILL
HAVE TO BE INCREASED FURTHER...AS WEAK EASTERLY SHEAR AND SST ABOVE
OR NEAR 26.5 LIE ALONG THE FORECAST TRACK THROUGH 48 HOURS. BEYOND
72 HOURS...THE SYSTEM IS FORECAST TO MOVE OVER AN AREA OF HIGHER
OCEANIC HEAT CONTENT...YET WESTERLY SHEAR IS FORECAST TO INCREASE
MARGINALLY...WITH ONLY SLIGHT INTENSIFICATION FORECAST.
FORECAST POSITIONS AND MAX WINDS
INITIAL 09/0900Z 10.1N 156.5W 35 KT
12HR VT 09/1800Z 10.4N 158.5W 35 KT
24HR VT 10/0600Z 10.8N 161.1W 35 KT
36HR VT 10/1800Z 11.2N 163.5W 40 KT
48HR VT 11/0600Z 11.6N 166.1W 40 KT
72HR VT 12/0600Z 12.4N 170.9W 40 KT
96HR VT 13/0600Z 13.0N 176.2W 45 KT
120HR VT 14/0600Z 13.3N 178.4E 45 KT
$$
FORECASTER BIRCHARD
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