Aug 05, 2000 Near St. Paul Island
![Map of Alaska with locations in scenario](media/graphics/scenario_location_map01.jpg)
We left Dutch Harbor at dawn and are steaming north.
![MSLP in the Alaska region. Climate Forecast System Reanalysis valid 18 UTC 05 Aug 2000](media/graphics/cfsr_mslp_18z5aug00_01.jpg)
Looking at the surface chart we see the ridge of high pressure building over the eastern Bering Sea from the northern Pacific as the low moves northeast to the Barrow area.
![500 mb Heights in the Alaska region. Climate Forecast System Reanalysis valid 18 UTC 05 Aug 2000](media/graphics/cfsr_500mb_18z5aug00.jpg)
A quick check of the 500-mb chart shows the corresponding height rises, consistent with the low moving out ahead of the ridge.