NASA - National Aeronautics and Space Administration

- Saturday September 20 weather briefing for ARISE Fairbanks, AK mission region -

** Target area of the day:  open water/ice edge portions of 70-77N and 135-155W **

Current synoptic overview and short range forecast for next flight day Sunday Sept. 21:

A large ridge of high pressure (central pressure > 1024hPa) will remain established over the Pole and down
to around 80N along 150W. Further south over Alaska, a vertically stacked low pressure system will weaken and fill.

Sunday September 21 weather briefing for ARISE, Fairbanks Alaska mission region

** target area of the day: satellite underpass tracks in the area of 70-77N and 135-155W  **

Current synoptic overview and short range forecast for the next flight day, Monday Sept. 22:

The Northern Coast of Alaska and Beaufort Sea will be located in the left-front quadrant of
increasing mid-level jet stream energy coming ashore the central part of Alaska. This will allow
a mean trough of low pressure to develop over the entire target region. On Monday, a leading

Monday September 22 weather briefing for ARISE, Fairbanks Alaska mission region

** target area of the day: satellite underpass tracks in the area of 70-77N and 135-155W  **

Current synoptic overview and short range forecast for the next flight day, Tuesday Sept. 23: