891 
WWHW40 PHFO 181311
WSWHFO

URGENT - WINTER WEATHER MESSAGE
National Weather Service Honolulu HI
311 AM HST Sun Feb 18 2018

...WINTER WEATHER ADVISORY FOR BIG ISLAND SUMMITS ABOVE
10500 FEET THROUGH MONDAY AFTERNOON...

.Abundant low to mid level moisture will remain over the Big
Island through the holiday weekend. As a strong upper level
trough moves overhead today and tonight, moderate to heavy snow 
showers and thunderstorms will likely develop.

HIZ028-190215-
/O.CON.PHFO.WW.Y.0006.000000T0000Z-180220T0400Z/
Big Island Summits-
311 AM HST Sun Feb 18 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST
MONDAY...

* WHAT...Snow expected. Plan on hazardous road conditions making
  travel to the summits dangerous. Snow accumulations of 2 to 4 
  inches, with localized amounts up to 6 inches, are expected.

* WHERE...Big Island Summits above 10,500 feet.

* WHEN...through Monday afternoon.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times. Heavy bursts of snow could also be accompanied by 
  lightning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause travel difficulties. Be prepared for snow covered roads and
limited visibilities, and use extreme caution while driving.

$$

Jacobson