Skip Navigation Links 
NOAA logo - Click to go to the NOAA homepage National Weather Service   NWS logo - Click to go to the NWS homepage
The Weather Prediction Center



Follow the Weather Prediction Center on Facebook Follow the Weather Prediction Center on Twitter
NCEP Quarterly Newsletter
WPC Home
Analyses and Forecasts
   National High & Low
   WPC Discussions
   Surface Analysis
   Days ½-2½ CONUS
   Days 3-7 CONUS
   Days 4-8 Alaska
   Flood Outlook
   Winter Weather
   Storm Summaries
   Heat Index
   Air Quality
   Tropical Products
   Daily Weather Map
   GIS Products
Current Watches/

Satellite and Radar Imagery
   Satellite Images
   National Radar
Product Archive
WPC Verification
   Medium Range
   Model Diagnostics
   Event Reviews
International Desks
Development and Training
WPC Overview
   About the WPC
   WPC History
   Other Sites
Meteorological Calculators
Contact Us
   About Our Site is the U.S. Government's official web portal to all federal, state, and local government web resources and services.
Hawaii Extended Forecast Discussion
(Caution: Version displayed is not the latest version. - Issued 1239Z Oct 22, 2014)
Version Selection
Versions back from latest:  0   1   2   3   4   5   6   7   8   9   10   
Abbreviations and acronyms used in this product

Hawaii Extended Forecast Discussion
NWS Weather Prediction Center College Park MD
839 AM EDT Wed Oct 22 2014

Valid 00Z Thu Oct 23 2014 - 00Z Thu Oct 30 2014

...Tropical Storm Ana slowly moving away...

Wind, waves, and rainfall associated with Ana continue to diminish
as the cyclone tracks northwestward away from the state through
the end of the week. For additional and updated
information/forecasts on 'Ana', please refer to the Central
Pacific Hurricane Center and your local National Weather Service

In the wake of Ana, weak high pressure north of the islands will
modulate slightly in intensity and position, but otherwise provide
for weak to moderate trades through the weekend and into the
middle of next week, along with scattered mainly windward showers.

large-scale wise, current model guidance shows strong flow
continuing across the north central pacific that leads to growing
spread and uncertainty with a prevailing large-scale trough
continuing over the eastern Pacific that has modest influences
from Ana and a synoptic system crossing the southwest Pacific.
Impacts could be differing strengths of the low level winds across
Hawaii perhaps by this weekend if the systems interact differently
from the model consensus that has average if not slightly below
average confidence associated with it at this time.