ARSC UAF
Mid-Term

Short-Term


Welcome to the Alaska real-time forecast page! This product upgrades our longstanding MM5 forecasts with higher resolution, greater coverage, and longer forecast periods, performed with the WRF model. Comments and suggestions are welcome! (e-mail)


Mid-Term Forecasts (16 days)

Current Cycle: 04/19/2014 12 UTC

Fields Alaska Region
20 km grid
(16 day forecast, output every 6h)
  Days 1–4 Days 5–8 Days 9–12 Days 13–16 16-day Loop
Surface Fields
Sea Level Pressure / Surface Temperature / Winds click  loop click  loop click  loop click  loop click  loop
Accumulated Precipitation click  loop click  loop click  loop click  loop click  loop
Accumulated Precipitation (Convective) click  loop click  loop click  loop click  loop click  loop
Accumulated Precipitation (Large Scale) click  loop click  loop click  loop click  loop click  loop
Precipitation Category click  loop click  loop click  loop click  loop click  loop
Snow Water Equivalent (on ground) click  loop click  loop click  loop click  loop click  loop
Integrated Cloud Water click  loop click  loop click  loop click  loop click  loop
Total Precipitable Water click  loop click  loop click  loop click  loop click  loop
Radar Reflectivity (simulated) click  loop click  loop click  loop click  loop click  loop
Planetary Boundary Layer Height click  loop click  loop click  loop click  loop click  loop
Upper Air Fields
850 hPa Height / Temperature / Winds click  loop click  loop click  loop click  loop click  loop
700 hPa Height / Vertical Velocity / Winds click  loop click  loop click  loop click  loop click  loop
500 hPa Height / Relative Vorticity / Winds click  loop click  loop click  loop click  loop click  loop
300 hPa Height / Potential Vorticity / Winds click  loop click  loop click  loop click  loop click  loop
1000–500 hPa Thickness click  loop click  loop click  loop click  loop click  loop
Cloud Top Temperature click  loop click  loop click  loop click  loop click  loop
Storm Fields
Storm Track / SLP / Winds click  loop click  loop click  loop click  loop click  loop
CAPE click  loop click  loop click  loop click  loop click  loop
LFC click  loop click  loop click  loop click  loop click  loop
LCL click  loop click  loop click  loop click  loop click  loop



Short-Term Forecasts (2 days)

Current Cycle: 04/19/2014 18 UTC

Fields NAM – Alaska
11 km grid
(0–48h, every 3h)
(Domain 1)
Fairbanks Region
3 km grid
(0–48h, every 2h)
(Domain 2)
Fairbanks
1 km grid
(4–48h, every 2h)
(Domain 3)
Anchorage Region
3 km grid
(0–48h, every 2h)
(Domain 4)
Panhandle
6 km grid
(0–48h, every 2h)
(Domain 5)
North Slope
6 km grid
(0–48h, every 2h)
(Domain 6)
Surface Fields
Sea Level Pressure / Surface Temperature / Winds click  loop click  loop click  loop click  loop click  loop click  loop
Accumulated Precipitation click  loop click  loop click  loop click  loop click  loop click  loop
Accumulated Precipitation (Convective) click  loop - - - - -
Accumulated Precipitation (Large Scale) click  loop - - - - -
Precipitation Category click  loop click  loop click  loop click  loop click  loop click  loop
Snow Water Equivalent (on ground) click  loop click  loop click  loop click  loop click  loop click  loop
Integrated Cloud Water click  loop click  loop click  loop click  loop click  loop click  loop
Total Precipitable Water click  loop click  loop click  loop click  loop click  loop click  loop
Radar Reflectivity (simulated) click  loop click  loop click  loop click  loop click  loop click  loop
Planetary Boundary Layer Height click  loop click  loop click  loop click  loop click  loop click  loop
Upper Air Fields
850 hPa Height / Temperature / Winds click  loop click  loop click  loop click  loop click  loop click  loop
700 hPa Height / Vertical Velocity / Winds click  loop - - - click  loop click  loop
500 hPa Height / Relative Vorticity / Winds click  loop - - - click  loop click  loop
300 hPa Height / Potential Vorticity / Winds click  loop - - - click  loop click  loop
1000–500 hPa Thickness click  loop click  loop click  loop click  loop click  loop click  loop
Cloud Top Temperature - click  loop click  loop click  loop click  loop click  loop
Skew-T/log-P - - Fairbanks
loop
Anchorage
loop
Juneau
loop
Barrow
loop
Storm Fields
Storm Track / SLP / Winds click  loop - - - - -
CAPE click  loop click  loop click  loop click  loop click  loop click  loop
LFC click  loop click  loop click  loop click  loop click  loop click  loop
LCL click  loop click  loop click  loop click  loop click  loop click  loop
Aviation Products
Icing Potential click  loop - - click  loop click  loop -
Icing Potential Cross Sections:
Anchorage – Cold Bayclick  loop - - - - -
Anchorage – Kodiakclick  loop - - - - -
Anchorage – Bethelclick  loop - - - - -
Anchorage – Fairbanksclick  loop - - - - -
Anchorage – Nomeclick  loop - - - - -
Fairbanks – Barrowclick  loop - - - - -
Kotzebue – Barrowclick  loop - - - - -
Juneau – Yakutatclick  loop - - - - -
Juneau – Sitka - - - - click  loop -
Sitka – Ketchikan - - - - click  loop -
Ice Type click  loop - - click  loop click  loop -
SLD Potential click  loop - - click  loop click  loop -
Supercooled Liquid Water Cross Sections
Juneau – Sitka - - - - click  loop -
Sitka – Ketchikan - - - - click  loop -
Freezing Level click  loop - - click  loop click  loop -
Estimated Flight Regulation Category click  loop - - click  loop click  loop -

Click geographic region (domain) names to see terrain maps.

Click field names for text descriptions.

Back to the Mesoscale Modeling and Applications Group


Alaska WRF Forecast Team

Jing Zhang
Departments of Physics and Energy & Environmental Systems
North Carolina A&T State University

Jeremy Krieger
Arctic Region Supercomputing Center
University of Alaska Fairbanks


Questions, comments, suggestions? Please contact Jing Zhang.