Skip Navigation Links weather.gov 
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
   QPF
   PQPF
   Flood Outlook
   Winter Weather
   Storm Summaries
   Heat Index
   Tropical Products
   Daily Weather Map
   GIS Products
Current Watches/
Warnings

Satellite and Radar Imagery
   Satellite Images
   National Radar
Product Archive
WPC Verification
   QPF
   Medium Range
   Model Diagnostics
   Event Reviews
International Desks
Development and Training
   Development
WPC Overview
   About the WPC
   Staff
   WPC History
   Accomplishments
   Other Sites
   FAQs
Meteorological Calculators
Contact Us
   About Our Site
 
USA.gov is the U.S. Government's official web portal to all federal, state, and local government web resources and services.
 
Alaska Extended Forecast Discussion
 
(Caution: Version displayed is not the latest version. - Issued 1849Z Apr 10, 2015)
 
Version Selection
Versions back from latest:  0   1   2   3   4   5   6   7   8   9   10   
 
Abbreviations and acronyms used in this product
 
View Alaska Map


ALASKA EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
249 PM EDT FRI APR 10 2015

VALID 12Z TUE APR 14 2015 - 12Z SAT APR 18 2015

THE 10/00Z ECENS...DETERMINISTIC ECMWF AND 10/12Z DETERMINISTIC
GFS SERVED AS THE BASELINE 'BLEND' FOR THE ALASKA MEDIUM RANGE
PACKAGE. THE CURRENT MEDIUM RANGE FORECAST REMAINS PRETTY
STRAIGHT-FORWARD.

THESE CHOICES WILL ALLOW FOR A SEQUENCING OF SURFACE LOWS TO TRACK
EASTWARD FROM THE DATELINE---ALONG 50N LATITUDE TO A POINT NEAR
150W LONGITUDE---THEN TURN NORTH-NORTHEASTWARD INTO THE SOUTH
COAST AND DECAY INLAND. PERIODS OF MID-LEVEL WARM ADVECTION ARE
EXPECTED TO AFFECT THE PANHANDLE---AND FOR MID APRIL---THE DEPTH
OF THE INDIVIDUAL SURFACE LOWS MOVING INTO THE NORTHWEST GULF OF
ALASKA WILL BE ON THE STRONG SIDE---THE SUB-992 MB CATEGORY. TO GO
ALONG WITH THE SURFACE DEPTH---THE 850MB HEIGHTS
ANOMALIES---ASSOCIATED WITH THESE CYCLONES WILL BE ON THE ORDER OF
2-3 STANDARD DEVIATIONS BELOW NORMAL.

VOJTESAK