FNUS70 PHFO 071900
FWSHFO

SPOT FORECAST FOR NAPAU INCIDENT...NPS
NATIONAL WEATHER SERVICE HONOLULU HI
900 AM HST MON MAR 7 2011

FORECAST IS BASED ON INCIDENT TIME OF 0833 HST ON MARCH 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
SURFACE HIGH PRESSURE FAR NORTH OF THE ISLANDS WILL PRODUCE MODERATE
TO FRESH TRADE WINDS OVER THE VOLCANO THROUGH THE UPCOMING
WEEKEND. AN UPPER LEVEL TROUGH JUST SOUTHEAST OF THE BIG ISLAND
WILL PRODUCE MOIST AND SLIGHTLY UNSTABLE CONDITIONS TODAY...WITH A
SLIGHT CHANCE OF THUNDERSTORMS UPSLOPE OF THE CRATER. STABLE
CONDITIONS WILL GRADUALLY BUILD OVER THE CRATER TONIGHT AND
TUESDAY...WITH SCATTERED SHOWERS OCCURRING MAINLY AT NIGHT AND IN
THE MORNING.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY WITH SHOWERS LIKELY.
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........65 PERCENT.
CHANCE OF PCPN......70 PERCENT.
MIXING HEIGHT.......8000 FT AGL.
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH INCREASING TO
                    15 MPH WITH GUSTS TO 25 MPH AFTER NOON.
TRANSPORT WINDS.....EAST AROUND 20 MPH.
LAL.................1.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY IN THE EVENING BECOMING
                    PARTLY CLOUDY AFTER MIDNIGHT. SCATTERED
                    SHOWERS.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........100 PERCENT.
CHANCE OF PCPN......40 PERCENT.
MIXING HEIGHT.......5000 FT AGL.
20-FOOT WINDS.......NORTHEAST WINDS 12 TO 15 MPH IN THE EVENING
                    BECOMING NORTH 10 MPH BY MIDNIGHT.
TRANSPORT WINDS.....EAST AROUND 15 MPH.
LAL.................1.

.TUESDAY...

SKY/WEATHER.........PARTLY SUNNY WITH SCATTERED SHOWERS.
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........60 PERCENT.
CHANCE OF PCPN......30 PERCENT.
MIXING HEIGHT.......4200 FT AGL.
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH IN THE MORNING
                    INCREASING TO 15 MPH WITH GUSTS TO 25 MPH
                    AFTER NOON.
TRANSPORT WINDS.....EAST AROUND 15 MPH.
LAL.................1.

$$
FORECASTER...WROE
REQUESTED BY...KEN FREUND
TYPE OF REQUEST...HAZMAT
.TAG 20110307.NAPAU.01/HFO