Mount Ada is a mountain
summit
A summit is a point on a surface that is higher in elevation than all points immediately adjacent to it. The topographic terms acme, apex, peak (mountain peak), and zenith are synonymous.
The term (mountain top) is generally used only for ...
in
Alaska
Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the north ...
, United States.
Description
Mount Ada is located on
Baranof Island and north of
Port Alexander, Alaska.
It is set within the
South Baranof Wilderness on land managed by
Tongass National Forest.
[ The peak ranks as the highest summit in the wilderness and sixth-highest in Sitka Borough.''Alaska Solitude: Wilderness Areas of the Tongass National Forest'']
U.S. Department of Agriculture, Forest Service, 1981, p. 21.
Retrieved 2024-01-24. Precipitation runoff from the mountain's slopes drains north to Gut Bay, south to Patterson Bay, or east to Yermak Lake and
Chatham Strait. Although modest in elevation,
topographic relief is significant as the summit rises 4,528 feet (1,380 m) above tidewater of Chatham Strait in and 4,170 feet (1,271 m) above Yermak Lake in . The peak's name was applied in 1917 by the
United States Coast and Geodetic Survey
The United States Coast and Geodetic Survey ( USC&GS; known as the Survey of the Coast from 1807 to 1836, and as the United States Coast Survey from 1836 until 1878) was the first scientific agency of the Federal government of the United State ...
and the toponym was officially adopted in 1918 by the
United States Board on Geographic Names
The United States Board on Geographic Names (BGN) is a Federal government of the United States, federal body operating under the United States Secretary of the Interior. The purpose of the board is to establish and maintain uniform usage of geogr ...
.
The mountain's namesake is Ada Lester Jones (1847–1920) who was the mother of
Ernest Lester Jones, the superintendent of U.S. Coast and Geodetic Survey.
Climate
Based on the
Köppen climate classification
The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (te ...
, Mount Ada is located in a
subpolar oceanic climate zone with long, cold, snowy winters, and cool summers.
Weather systems coming off the
Gulf of Alaska are forced upwards by the mountains (
orographic lift), causing heavy precipitation in the form of rain and snow. Winter temperatures can drop to 10 °F with wind chill factors below 0 °F. This climate supports an unnamed glacier on the mountain's east slope.
See also
*
List of mountain peaks of Alaska
*
Geography of Alaska
References
External links
* Mount Ada
Weather forecast
{{DEFAULTSORT:Ada, Mount
Mountains of Sitka, Alaska
One-thousanders of the United States