FNUS70 PHFO 291852
FWSHFO

SPOT FORECAST FOR HELEMAUMAU...NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE HONOLULU HI
852 AM HST FRI JUL 29 2011

FORECAST IS BASED ON IGNITION TIME OF 0800 HST ON JULY 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A TROUGH PASSING OVER THE STATE NOW HAS AN AXIS NEAR
KAUAI...WITH THE LOW-LEVEL FLOW FROM THE SOUTHEAST OVER THE BIG
ISLAND THIS MORNING. THIS IS LIKELY RESPONSIBLE FOR THIS MORNING/S
VOGGY CONDITIONS. AS THE TROUGH MOVES WEST AWAY FROM THE BIG ISLAND...
THE LOW LEVEL FLOW WILL BECOME INCREASINGLY EASTERLY. THIS IS EXPECTED
TO BEGIN BY THIS AFTERNOON...WITH A MORE TYPICAL EASTERLY FLOW BECOMING
RE-ESTABLISHED TONIGHT AND SATURDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY EARLY. INCREASING CLOUDS WITH SHOWERS
                    LIKELY AFTER MID-MORNING. AREAS OF HAZE.
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........73 PERCENT.
MIXING HEIGHT.......4200 FT AGL.
20-FOOT WINDS.......EAST-SOUTHEAST WINDS 8 TO 13 MPH.
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH THIS MORNING.
                    EAST-SOUTHEAST 10 TO 15 MPH THIS AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS...MAINLY IN THE
                    EVENING.
MIN TEMPERATURE.....AROUND 57.
MAX HUMIDITY........100 PERCENT.
MIXING HEIGHT.......4200 FT AGL.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH.
TRANSPORT WINDS.....EAST AROUND 10 MPH.

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS.
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........66 PERCENT.
MIXING HEIGHT.......4200 FT AGL.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 14 MPH.
TRANSPORT WINDS.....NORTHEAST 15 TO 20 MPH.

$$

FORECASTER...BIRCHARD
REQUESTED BY...BILL GREINEISEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20110729.HELEM.01/HFO