Flash Flood Warning 22, NWS Honolulu, HI

077 
WGHW70 PHFO 111444
FFSHFO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HONOLULU HI
444 AM HST THU DEC 11 2008

HIC007-111700-
/O.CON.PHFO.FF.W.0022.000000T0000Z-081211T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KAUAI IN KAUAI COUNTY-
444 AM HST THU DEC 11 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR THE ISLAND OF KAUAI IN
KAUAI COUNTY UNTIL 700 AM HST...

HEAVY RAIN CONTINUES OVER SOUTHEAST KAUAI...WHERE RAIN GAGES 
INDICATE RAINFALL RATES BETWEEN 3 AND 4 INCHES PER HOUR. IN 
ADDITION...A LINE OF HEAVY SHOWERS WILL SWEEP ACROSS THE ISLAND FROM 
WEST TO EAST...BRINGING HEAVY RAIN TO THE ENTIRE ISLAND THROUGH 530 
AM. AFTER THE LINE PASSES...HEAVY SHOWERS WILL DIMINISH AFTER 530 
AM. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WAILUA...
LIHUE...KAPAA...AND KOLOA.

A FLASH FLOOD WARNING MEANS FLASH FLOODING IS IMMINENT OR OCCURRING
IN STREAMS...ROADS AND LOW LYING AREAS. MOVE TO HIGHER GROUND NOW.

DO NOT CROSS FAST FLOWING OR RISING WATER IN YOUR VEHICLE OR ON FOOT.
TURN AROUND...DON/T DROWN.

THIS WARNING MAY NEED TO BE EXTENDED BEYOND 700 AM HST IF FLASH
FLOODING PERSISTS.

RUNOFF FROM THIS STORM MAY ALSO CAUSE ROCK AND MUDSLIDES IN STEEP
TERRAIN.

LAT...LON 2198 15970 2213 15925 2188 15928 2186 15962

$$

BIRCHARD

423 
WGHW70 PHFO 111648
FFSHFO

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HONOLULU HI
648 AM HST THU DEC 11 2008

HIC007-111655-
/O.CAN.PHFO.FF.W.0022.000000T0000Z-081211T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KAUAI IN KAUAI COUNTY-
648 AM HST THU DEC 11 2008

...THE FLASH FLOOD WARNING IS CANCELLED FOR THE ISLAND OF KAUAI IN
KAUAI COUNTY...

...A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT FOR 
KAUAI COUNTY...

THE HEAVY RAINS AND FLOODING HAVE SUBSIDED...BUT RUNOFF IS STILL
OCCURRING AND STREAMS WILL REMAIN HIGH FOR SEVERAL HOURS.

LAT...LON 2198 15970 2213 15925 2188 15928 2186 15962

$$
KODAMA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HONOLULU HI
833 PM HST WED DEC 10 2008

.SYNOPSIS...
A STRONG KONA LOW WILL CONTINUE TO DEVELOP NORTHWEST OF THE STATE
TONIGHT AND REMAIN IN PLACE ON THURSDAY. STRONG SOUTHERLY WINDS
WILL BUFFET KAUAI AND OAHU THROUGH THURSDAY. THE HIGHEST THREAT FOR
HEAVY RAINFALL WILL BE OVER KAUAI TONIGHT...THEN SPREAD OVER OAHU
THURSDAY MORNING. THE LOW WILL MOVE AWAY FROM THE ISLANDS FRIDAY
THROUGH THE WEEKEND...WITH WINDS DECREASING THURSDAY EVENING. A VERY
MOIST AIRMASS WILL PERSIST OVER THE ISLANDS INTO NEXT WEEK...LEADING
TO SHOWERY AND UNSETTLED WEATHER.

&&

.DISCUSSION...
SOUTHERLY WINDS CONTINUE TO INCREASE TONIGHT AS A KONA LOW
DEVELOPS 650 MILES NORTHWEST OF KAUAI. RADAR DERIVED WINDS OVER
KAUAI SHOW WIND SPEEDS APPROACHING 50 MPH AT 1000 FEET ABOVE THE
SURFACE. GUSTS AT LIHUE AIRPORT...KEKAHA...AND MOLOAA DAIRY
REACHED 30 MPH AT 7 PM. WINDS ACROSS THE STATE WILL INCREASE
TONIGHT AND CONTINUE THROUGH THURSDAY. A WIND ADVISORY IS NOW IN
EFFECT ACROSS THE BIG ISLAND AND HALEAKALA SUMMITS AND OVER
NIIHAU...KAUAI AND MOST OF OAHU.

FAST MOVING SHOWERS HAVE BUFFETED KAUAI THIS EVENING AND
CONDITIONS WILL WORSEN AS THE NIGHT GOES ON. AS OF 745 PM...THE
LEADING EDGE OF A RAINBAND ASSOCIATED WITH THE KONA LOW IS 100
MILES NORTHWEST OF KAUAI AND IS MOVING EASTWARD AT 30 MPH. THE
RAINBAND CONTAINS MODERATE TO HEAVY SHOWERS WITH THUNDERSTORMS
EMBEDDED WITHIN THE SHOWERS. THE RAINBAND IS EXPECTED TO REACH
KAUAI BETWEEN 10 AND 11 PM INCREASING THE CHANCE OF FLASH FLOODING
AS WELL AS INTRODUCING THE POSSIBILITY OF SEVERE STRAIGHT LINE
WINDS INDUCED BY THE FAST MOVING THUNDERSTORMS.

THE RAINBAND IS EXPECTED TO SLOW SOMEWHAT IN ITS EASTWARD MOTION
TONIGHT
AND SHOULD REACH OAHU EARLY THURSDAY MORNING. THE MAIN THREAT
FOR HEAVY RAIN...THUNDERSTORMS AND POSSIBLE FLASH FLOODING CONTINUES
ALL DAY FOR KAUAI AND OAHU. GUSTY SOUTH WINDS WILL CONTINUE AS THE
KONA LOW REMAINS TO THE NORTHWEST OF THE STATE. SCATTERED SHOWERS
WITH LOCALLY HEAVY RAINFALL AND BREEZY CONDITIONS WILL BE OVER
MAUI COUNTY AND BIG ISLAND...WITH CONDITIONS WORSENING DURING THE
DAY OVER WESTERN MAUI COUNTY.

FOR THURSDAY NIGHT...THE KONA LOW BEGINS TO PULL NORTH AND THE WINDS
EASE OFF. THE THREAT OF WIDESPREAD SHOWERS CONTINUES OVER THE SMALLER
ISLANDS AS AN UPPER TROUGH REMAINS WEST OF THE AREA...AND A
SURFACE TROUGH REMAINS OVER THE ISLANDS.

FOR FRIDAY THROUGH THE WEEKEND...THE UPPER LOW CENTER LIFTS AWAY
FROM THE STATE ON FRIDAY...BUT AN UPPER LEVEL TROUGH AXIS REMAINS
POSITIONED WEST OF THE ISLANDS THROUGH THE WEEKEND. THE GLOBAL
MODELS ARE HINTING AT A WEAK SURFACE LOW FORMING SOUTHWEST OF THE
ISLANDS AND THE LOW...ALONG WITH THE UPPER LEVEL INSTABILITY...WILL
LEAD TO A SHOWERY PATTERN STATEWIDE...WITH THE BEST CHANCE OVER
THE SMALLER ISLANDS. THE UNSETTLED WEATHER PATTERN REMAINS THROUGH
THE MIDDLE OF NEXT WEEK.

THE FLASH FLOOD WATCH MAY BE EXTENDED INTO THURSDAY NIGHT AND FRIDAY
IF THE MODELS PERSIST IN SHOWING A VERY MOIST...UNSTABLE...SOUTHERLY
FLOW OVER THE STATE.

&&

.MARINE...
GUSTY SOUTH WINDS INCREASING OVER THE COASTAL WATERS. THESE WINDS
WILL CONTINUE THROUGH THURSDAY PRODUCING STEEP...SHORT PERIOD WIND
WAVES. SMALL CRAFT ADVISORY WILL LIKELY BE EXTENDED THROUGH
THURSDAY AS WELL AS EXPANDED IN THE 10 PM COASTAL WEATHER
FORECAST.

A MODERATE NORTHWEST SWELL IS EXPECTED TO ARRIVE THURSDAY NIGHT
AND CONTINUE INTO THE WEEKEND. THIS UPCOMING SWELL WILL BE FROM
THE KONA LOW NORTHWEST OF KAUAI. SURF HEIGHTS MAY REACH ADVISORY
LEVELS ON FRIDAY.

&&

.HFO WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH FROM 6 AM HST THURSDAY THROUGH LATE THURSDAY
NIGHT FOR OAHU.

FLASH FLOOD WATCH THROUGH LATE THURSDAY NIGHT FOR NIIHAU-KAUAI.

WIND ADVISORY UNTIL 6 PM HST THURSDAY FOR NIIHAU-KAUAI-OAHU
NORTH SHORE-OAHU KOOLAU-OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS.

WIND ADVISORY UNTIL 10 AM HST THURSDAY FOR HALEAKALA SUMMIT-BIG
ISLAND SUMMITS.

SMALL CRAFT ADVISORY UNTIL 6 AM HST THURSDAY FOR KAUAI NORTHWEST
WATERS-KAUAI WINDWARD WATERS-KAUAI LEEWARD WATERS-KAUAI CHANNEL-
OAHU WINDWARD WATERS-OAHU LEEWARD WATERS.

&&

MORRISON