221 
WWHW40 PHFO 280055
WSWHFO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Honolulu HI
255 PM HST Mon Feb 27 2017

...WINTER STORM WATCH FOR BIG ISLAND SUMMITS ABOVE 11000 FEET...

.An upper level trough northwest of the state will destabilize
the atmosphere and allow deep moisture to spread over the islands
early this week. The summits of Mauna Loa and Mauna Kea will have
the potential to receive heavy snow accumulations. The Winter
Storm Watch has been cancelled for tonight, but remains in effect
for Tuesday and Tuesday night, and has been extended into
Wednesday.

HIZ028-281400-
/O.EXT.PHFO.WS.A.0001.170228T1600Z-170302T0400Z/
Big Island Summits-
255 PM HST Mon Feb 27 2017

...WINTER STORM WATCH NOW IN EFFECT FROM TUESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

* LOCATION...Big Island summits above 11000 feet elevation.

* HAZARD TYPE...Heavy snow and cloud to ground lightning strikes.

* ACCUMULATIONS...Snowfall of more than 6 inches possible.

* TIMING...Tuesday into Wednesday.

* IMPACTS...Poor visibility and very slick, snow covered roads.

* WINDS...South 10 to 15 mph with higher gusts.

* VISIBILITIES...Less than 1/4 mile at times in clouds and
  heavier precipitation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Storm Watch means there is a potential for significant
snow accumulations that may adversely impact travel and create
very dangerous conditions for hikers. Continue to monitor the
latest forecasts and consider postponing trips to the summits
until the weather improves.

&&

$$
R Ballard