000
FNUS70 PHFO 091505
FWSHFO

SPOT FORECAST FOR PRESIDENTS DAY
NATIONAL WEATHER SERVICE HONOLULU HI 
505 AM HST FRI MAY 9 2008

IF CONDITIONS BECOME UNREPRESENTATIVE...PLEASE CONTACT
THE NATIONAL WEATHER SERVICE.

.DISCUSSION...RIDGING TO THE NORTH OF THE ISLANDS IS MAINTAINING
STRONG TRADE WINDS TODAY. THE TRADE WINDS...WHICH ARE EXPECTED TO 
PEAK LATER TODAY OR TONIGHT...ARE FORECAST TO PERSIST INTO EARLY
NEXT WEEK. THE TRADE WINDS WILL LIKELY CONTINUE TO CARRY THE
VOLCANIC EMISSIONS SOUTH SOUTHWEST OVER THE KAU DISTRICT...THEN
OVER THE OCEAN WEST OF THE BIG ISLAND. THE LONG RANGE FORECAST...
WHICH REMAINS SOMEWHAT UNCERTAIN...INDICATES SURFACE WINDS WILL
SHIFT TO A SOUTHEAST DIRECTION AND WEAKEN STARTING NEXT TUESDAY.
IF SO...A DEGRADATION IN AIR QUALITY WILL LIKELY OCCUR NEAR AND
DOWNWIND OF THE SOURCE OF THE VOLCANIC EMISSIONS. THESE ADVERSE
CONDITIONS MAY PERSIST FOR 36 TO 48 HOURS ONCE THEY BEGIN TUESDAY
OR TUESDAY NIGHT.


.TODAY...
SKY/WEATHER.........PARTLY SUNNY. ISOLATED SHOWERS. 
MAX TEMPERATURE.....AROUND 69. 
MIN HUMIDITY........55 PERCENT. 
20-FOOT WINDS.......NORTHEAST AROUND 16 MPH. 
MIXING HEIGHT.......4000 FT AGL. 
TRANSPORT WINDS.....EAST 20 TO 25 MPH. 

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS. 
MIN TEMPERATURE.....AROUND 52. 
MAX HUMIDITY........100 PERCENT. 
20-FOOT WINDS.......NORTH AROUND 8 MPH. 
MIXING HEIGHT.......4000 FT AGL. 
TRANSPORT WINDS.....EAST AROUND 25 MPH. 

.SATURDAY...
SKY/WEATHER.........PARTLY SUNNY. ISOLATED SHOWERS. 
MAX TEMPERATURE.....AROUND 69. 
MIN HUMIDITY........55 PERCENT. 
20-FOOT WINDS.......NORTHEAST AROUND 12 MPH. 
MIXING HEIGHT.......4000 FT AGL. 
TRANSPORT WINDS.....EAST 20 TO 25 MPH. 

$$
FORECASTER...HOUSTON
REQUESTED BY...NPS 
REASON FOR REQUEST...VOLCANIC EMISSIONS