322 FPHW3 PHNL 151400 HAWAIIAN ISLANDS SYNOPTIC DISCUSSION AND GUIDANCE NATIONAL WEATHER SERVICE HONOLULU HI 4 AM HST TUE FEB 15 2000 SUMMARY...SHOWERS ARRIVING NORTHERN ISLANDS WEDNESDAY..OTHER ISLANDS WEDNESDAY NIGHT OR THURSDAY. TRADE WINDS FINALLY RETURNING FRIDAY. DISCUSSION...THE FRONT 600 MILES NORTHWEST OF KAUAI IS APPROACHING RAPIDLY. BOTH MODELS AND EXTRAPOLATION HAS ITS SHOWERS BEGINNING ON KAUAI OAHU AND MOLOKAI WEDNESDAY. A YET UNFORMED UPPER LEVEL TROUGH IS PROJECTED TO DEEPEN RAPIDLY AS IT ENTERS THE ISLANDS WEDNESDAY AS WELL. THE TROUGH MAY ENHANCE SHOWER ACTIVITY BEFORE DISSIPATING IT THURSDAY AND FRIDAY AS IT RACES AHEAD OF BAND. THE FRONT WILL BE RELABELED A SHEARLINE AS IT RETURNS OUR LONG ABSENT MODERATE TO FRESH TRADE WINDS ON FRIDAY. LASTLY..HIGH SURF CONTINUES ITS DOWNTREND AND SHOULD SEE THE LOWERING OF ITS ADVISORY LATER THIS MORNING. MATSUDA .PHNL.....WARNINGS.....NONE . WATCHES......NONE . ADVISORIES...HIGH SURF NORTH SHORES ...BEGINNING AT 8 AM HST TODAY..HEADINGS OF ALL PRODUCTS ISSUED FROM THIS FORECAST OFFICE WILL BE CHANGED. THE NEW HEADING FOR THIS DISCUSSION WILL BE FXHW60 PHFO. FOR AWIPS USERS THE ID WILL BE AFDHI... |