Expires:No;;950754 ACPN60 PHFO 011200 TWSCP TROPICAL WEATHER SUMMARY FOR THE CENTRAL NORTH PACIFIC NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI 200 AM HST MON SEP 1 2008 FOR THE CENTRAL NORTH PACIFIC...BETWEEN 140W AND 180 THERE WAS ONE TROPICAL CYCLONE IN THE CENTRAL PACIFIC HURRICANE CENTER /CPHC/ AREA OF RESPONSIBILITY DURING THE MONTH OF AUGUST 2008. THE FIRST TROPICAL CYCLONE TO DEVELOP OVER THE CENTRAL NORTH PACIFIC SINCE 2006 OCCURRED IN AUGUST 2008. THE SYSTEM WHICH EVENTUALLY BECAME TROPICAL DEPRESSION ONE-C WAS FIRST NOTED WHEN IT WAS A WEAK DISTURBANCE ALONG AN EAST TO WEST ORIENTED SURFACE TROUGH THAT EXTENDED EAST OF LONGITUDE 140W. THIS WEAK DISTURBANCE WAS FIRST IDENTIFIED BY FORECASTERS AT CPHC OVER THE NORTHEAST PACIFIC EARLY ON THE MORNING OF 4 AUGUST NEAR 10N 136W. THIS DISTURBANCE MOVED WESTWARD AT ABOUT 15 MPH DURING THE NEXT TWO DAYS...AND WAS DESIGNATED TROPICAL DEPRESSION ONE-C BY CPHC ON THE AFTERNOON OF 6 AUGUST WHEN IT WAS ABOUT 850 MILES SOUTHEAST OF HILO...HAWAII. SIX HOURS LATER...TROPICAL DEPRESSION ONE-C WAS UPGRADED TO A TROPICAL STORM AND WAS ASSIGNED THE NAME KIKA. TROPICAL STORM KIKA WAS A RELATIVELY SMALL TROPICAL CYCLONE THAT MOVED WESTWARD AT ABOUT 15 MPH SOUTH OF A SUBTROPICAL RIDGE. KIKA NEVER STRENGTHENED BEYOND A MINIMAL TROPICAL STORM...EVEN THOUGH THE ENVIRONMENT SURROUNDING THE TROPICAL CYCLONE APPEARED TO BE SOMEWHAT FAVORABLE FOR SOME SLIGHT INTENSIFICATION. THE SEA SURFACE TEMPERATURES WERE AROUND 27C ALONG ITS PATH...WHICH WAS GENERALLY ALONG LATITUDE 10N. THE VERTICAL WIND SHEAR IN THE VICINITY OF THE TROPICAL CYCLONE WAS ESTIMATED TO BE 10 TO 15 MPH FROM THE EAST. ON THE MORNING OF 08 AUGUST...THE FIRST VISIBLE IMAGES INDICATED THAT THE LOW LEVEL CIRCULATION CENTER OF KIKA HAD BECOME SEPARATED FROM THE DEEP CONVECTION. AS A RESULT...KIKA WAS DOWNGRADED TO A TROPICAL DEPRESSION. THIS WEAKENED CONDITION WAS TEMPORARY...AND KIKA WAS UPGRADED TO TROPICAL STORM INTENSITY AGAIN BY THE EVENING OF 8 AUGUST. ANALYSES FROM UW/CIMSS INDICATED THE VERTICAL WIND SHEAR WAS 10 MPH OR LESS AT THIS TIME. THE TROPICAL STORM...WHICH TRAVELLED WESTWARD AT 10 TO 15 MPH DURING THE NEXT COUPLE OF DAYS...WAS MOVING OVER 26.5C TO 27C SEA SURFACE TEMPERATURES. KIKA EVENTUALLY WEAKENED AGAIN...AND WAS DOWNGRADED TO A TROPICAL DEPRESSION BY THE AFTERNOON OF 10 AUGUST WHEN IT WAS ABOUT 875 MILES SOUTH SOUTHWEST OF HONOLULU...HAWAII. THE TROPICAL DEPRESSION CONTINUED TO WEAKEN...AND THE FINAL ADVISORY FOR THIS SYSTEM WAS ISSUED BY CPHC DURING THE EVENING OF 11 AUGUST. THE REMNANTS OF FORMER TROPICAL DEPRESSION KIKA CROSSED THE DATELINE INTO THE NORTHWEST PACIFIC LATE ON 13 AUGUST. SUMMARY TABLE NAME DATES MAX. WIND EST. MINIMUM PRESSURE -------------------------------------------------------------- TS KIKA 6-11 AUG 35 KT/40 MPH 1007 MB/29.74 IN FOR ADDITIONAL INFORMATION...VISIT THE CENTRAL PACIFIC HURRICANE CENTER WEB SITE AT.../IN LOWERCASE/...WWW.WEATHER.GOV/CPHC THE NEXT TROPICAL WEATHER SUMMARY WILL BE ISSUED ON OCTOBER 1... 2008. $$ HOUSTON/POWELL