Menu of Text Products for the Hawaiian Islands and the Tropical Pacific/Atlantic Oceans: Select a text product: Hawaiian Islands Synoptic Discussion and Guidance Hawaiian Islands Short Term Forecast Hawaiian Islands 7-day Zone Forecast Urgent Weather Message Special Marine Warning Terminal Aerodome Foreasts (TAFS) Area Forecast for Hawaii and Adjacent Coastal Waters AIRMETs for IFR Conditions, Turbulence, and Icing Hawaiian Islands Satellite Interpetation Message Oahu Surf Observation and Forecast/Coastal Forecast for Hawaiian Waters Offshore Forecast for Hawaiian Waters North Pacific High Seas Forecast South Pacific High Seas Forecast Hawaiian Islands Automated Surface Observation System Hourly Weather Roundup Hawaiian Islands Wind Data Hawaiian Islands Rainfall Summary East Pacific Tropical Weather Outlook West Pacific Tropical Weather Outlook Narrow the Menu List Select Time Limit: 12 hours | 24 hours | 48 hours | 72 hours | No time limit Select Product Type: All | Routine Bulletins/FCSTS | Warnings/Watches/Advisories | HAWN Weather | Tropical | Marine | Aviation | Daily Obs | Special Hawaiian Islands Satellite Interpetation Message 733 ATHW40 PHFO 211225 SIMHI HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI 1230 UTC TUE MAY 21 2013 BASED ON DATA THROUGH 1200 UTC MAY 21 2013 AN AREA OF BROKEN TO OVERCAST LAYERED CLOUDS COVERS AN AREA BOUNDED BY 35N153W 30N146W 24N150W 30N157W 35N153W...DESCRIBING AN ARC 470 TO 900 MILES NORTH NORTHEAST OF THE MAIN HAWAIIAN ISLANDS. THESE CLOUDS MARK THE NORTHEAST SEMICIRCULAR FLANK OF A LOW NEAR 28N156W...ABOUT 490 MILES NORTH OF THE ISLANDS. BROKEN TO OVERCAST SHOWERY LOW CLOUDS EXTEND SOUTHWEST FROM THIS LAYERED CLOUD ARC ACROSS THE ISLAND CHAIN...MAINLY AFFECTING THE ISLANDS OF MAUI COUNTY AND WATERS ADJACENT TO THE BIG ISLAND. LOW CLOUDS AFFECTING THE MAIN HAWAIIAN ISLANDS ARE LOOSELY ORGANIZED INTO A SERIES OF NORTHEAST TO SOUTHWEST ORIENTED BANDS...WITH THE THICKEST BAND EXTENDING ACROSS MAUI COUNTY. RADAR SHOWS ISOLATED MODERATE TO BRIEFLY HEAVY SHOWERS WITHIN THIS BAND...WHICH ALSO SEPARATES NORTHERLY WINDS ACROSS KAUAI AND OAHU FROM SOUTHERLY WINDS ACROSS AND AROUND THE BIG ISLAND. ONE PARTICULARLY HEAVY SHOWER IS NOTED WITHIN THE ALENUIHAHA CHANNEL MOVING SLOWLY TOWARD THE NORTHEAST. KAUAI REMAINS COMPLETELY COVERED BY BROKEN TO OVERCAST LOW CLOUDS...BUT OAHU APPEARS TO HAVE ALMOST COMPLETELY CLEARED FROM LAST EVENING. A RECENTLY-FORMED PATCH OF BROKEN HIGH CLOUDS IS BLOCKING A GOOD VIEW OF LOW CLOUDS ACROSS MAUI COUNTY...BUT EARLIER IMAGERY SHOWED THE WESTERN HALF OF MOLOKAI HAS ONLY SCATTERED LOW CLOUDS TO CLEAR SKIES. THE VIEW OF LOW CLOUDS ACROSS MAUI AND LANAI IS BLOCKED. THE BIG ISLAND...LIKE OAHU...APPEARS TO HAVE COMPLETELY CLEARED SINCE LAST EVENING. SATELLITE LOOP SHOWS LOW CLOUDS ARE MOVING NO FASTER THAN 10 MPH ON EITHER SIDE OF THE CLOUD BAND ACROSS MAUI COUNTY. $$ POWELL Bulletins, Forecasts and Observations are courtesy of Honolulu National Weather Service Forecast Office This page is maintained voluntarily by the MKWC and the UHMET faculty, staff, and students. It was last modified on: Tue, Sep 21 2010 - 2314 UTC Send comments to: Ryan Lyman