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Coalman Glacier

The Coalman Glacier (also Coleman Glacier) is a glacier located on the upper slopes of Mount Hood in the U.S. state of Oregon. It is the mountain's highest glacier ranging from about 11,200 to 10,500 ft (3,400 to 3,200 m), located within the crater rim, southwest of the peak.[2] It was named for Elija Coalman[3] (variously spelled Elijah Coleman[4]), an early mountain guide who climbed Mount Hood 586 times.[5]

Coalman Glacier
Bergschrund on Coalman Glacier
Coalman Glacier
Location in Oregon
TypeMountain glacier
LocationClackamas / Hood River counties, Oregon, U.S.
Coordinates45°22′19″N 121°41′54″W / 45.37194°N 121.69833°W / 45.37194; -121.69833[1]
Area20 acres (8.1 ha)
TerminusTalus
StatusRetreating
A group of climbers from The Mazamas ascend Mount Hood's Hogsback summer 1963

Coalman Glacier is the second most frequently visited glacier on the mountain because it is part of the popular South Climbing route from Timberline Lodge. It lies entirely within Mount Hood Wilderness. The most well known feature of Coalman is the Hogsback: a snow ridge running southwest to northeast from Crater Rock toward the summit ridge. The Bergschrund is another widely known feature where the glacier pulls away from the stagnant ice leaving a large crevasse. In 2007, it had become large enough to cause most climbers to use another route.[6]

The glacier is a remnant of the massive glaciers that formed during the last ice age. It is historically known to change configuration dramatically, at times a gradual, smooth surface to Hot Rocks; at other times the same place has a 40 ft (12 m) ice cliff.[3]

The glacier flows southwest, and is bounded on the north and east by the summit, on the northwest by the rocky crater wall known as Castle Crags (also Hawkins Cliffs), on the west by Hot Rocks, and on southeast by the back side of Steel Cliff.

Climate edit

Hawkins Ridge lies on the upper western edge of Coalman Glacier. There is no weather station, but this climate table contains interpolated data.

Climate data for Hawkins Ridge 45.3703 N, 121.7039 W, Elevation: 9,646 ft (2,940 m) (1991–2020 normals)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Mean daily maximum °F (°C) 25.1
(−3.8)
24.4
(−4.2)
25.3
(−3.7)
28.9
(−1.7)
37.6
(3.1)
44.6
(7.0)
55.6
(13.1)
55.9
(13.3)
50.7
(10.4)
40.2
(4.6)
28.5
(−1.9)
23.9
(−4.5)
36.7
(2.6)
Daily mean °F (°C) 19.5
(−6.9)
17.5
(−8.1)
17.5
(−8.1)
20.0
(−6.7)
27.6
(−2.4)
33.8
(1.0)
43.3
(6.3)
43.6
(6.4)
39.2
(4.0)
30.8
(−0.7)
22.4
(−5.3)
18.5
(−7.5)
27.8
(−2.3)
Mean daily minimum °F (°C) 14.0
(−10.0)
10.6
(−11.9)
9.7
(−12.4)
11.2
(−11.6)
17.6
(−8.0)
23.1
(−4.9)
31.0
(−0.6)
31.4
(−0.3)
27.6
(−2.4)
21.4
(−5.9)
16.4
(−8.7)
13.1
(−10.5)
18.9
(−7.3)
Average precipitation inches (mm) 16.62
(422)
12.61
(320)
13.52
(343)
10.52
(267)
7.17
(182)
5.49
(139)
1.30
(33)
1.80
(46)
4.39
(112)
10.29
(261)
16.10
(409)
18.10
(460)
117.91
(2,994)
Source: PRISM Climate Group[7]

See also edit

References edit

  1. ^ "Coalman Glacier". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved August 5, 2012.
  2. ^ Mount Hood South, OR (Map). TopoQwest (United States Geological Survey Maps). Retrieved August 5, 2012.
  3. ^ a b Jack Grauer (July 1975). Mount Hood: A Complete History. self published. p. 291. ISBN 0-930584-01-5.
  4. ^ Thomas P. Deering, Jr. (July 2, 2004) [1986]. "Mountain Architecture: An Alternative Design Proposal for the Wy'East Day Lodge, Mount Hood Oregon". Retrieved August 16, 2007.
  5. ^ . Gorge.net. Archived from the original on July 7, 2007. Retrieved August 16, 2007. citing "Legacy". Hood River News.
  6. ^ Previous noticed posted at "Mount Hood Climbing Report, May 17th". United States Forest Service. Retrieved May 17, 2007.
  7. ^ "PRISM Climate Group, Oregon State University". PRISM Climate Group, Oregon State University. Retrieved October 5, 2023. To find the table data on the PRISM website, start by clicking Coordinates (under Location); copy Latitude and Longitude figures from top of table; click Zoom to location; click Precipitation, Minimum temp, Mean temp, Maximum temp; click 30-year normals, 1991-2020; click 800m; click Interpolate grid cell values; click Retrieve Time Series button.


coalman, glacier, this, article, about, glacier, mount, hood, glacier, mount, baker, coleman, glacier, washington, also, coleman, glacier, glacier, located, upper, slopes, mount, hood, state, oregon, mountain, highest, glacier, ranging, from, about, located, w. This article is about the glacier on Mount Hood For the glacier on Mount Baker see Coleman Glacier Washington The Coalman Glacier also Coleman Glacier is a glacier located on the upper slopes of Mount Hood in the U S state of Oregon It is the mountain s highest glacier ranging from about 11 200 to 10 500 ft 3 400 to 3 200 m located within the crater rim southwest of the peak 2 It was named for Elija Coalman 3 variously spelled Elijah Coleman 4 an early mountain guide who climbed Mount Hood 586 times 5 Coalman GlacierBergschrund on Coalman GlacierCoalman GlacierLocation in OregonTypeMountain glacierLocationClackamas Hood River counties Oregon U S Coordinates45 22 19 N 121 41 54 W 45 37194 N 121 69833 W 45 37194 121 69833 1 Area20 acres 8 1 ha TerminusTalusStatusRetreating A group of climbers from The Mazamas ascend Mount Hood s Hogsback summer 1963 Coalman Glacier is the second most frequently visited glacier on the mountain because it is part of the popular South Climbing route from Timberline Lodge It lies entirely within Mount Hood Wilderness The most well known feature of Coalman is the Hogsback a snow ridge running southwest to northeast from Crater Rock toward the summit ridge The Bergschrund is another widely known feature where the glacier pulls away from the stagnant ice leaving a large crevasse In 2007 it had become large enough to cause most climbers to use another route 6 The glacier is a remnant of the massive glaciers that formed during the last ice age It is historically known to change configuration dramatically at times a gradual smooth surface to Hot Rocks at other times the same place has a 40 ft 12 m ice cliff 3 The glacier flows southwest and is bounded on the north and east by the summit on the northwest by the rocky crater wall known as Castle Crags also Hawkins Cliffs on the west by Hot Rocks and on southeast by the back side of Steel Cliff Climate editHawkins Ridge lies on the upper western edge of Coalman Glacier There is no weather station but this climate table contains interpolated data Climate data for Hawkins Ridge 45 3703 N 121 7039 W Elevation 9 646 ft 2 940 m 1991 2020 normals Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Mean daily maximum F C 25 1 3 8 24 4 4 2 25 3 3 7 28 9 1 7 37 6 3 1 44 6 7 0 55 6 13 1 55 9 13 3 50 7 10 4 40 2 4 6 28 5 1 9 23 9 4 5 36 7 2 6 Daily mean F C 19 5 6 9 17 5 8 1 17 5 8 1 20 0 6 7 27 6 2 4 33 8 1 0 43 3 6 3 43 6 6 4 39 2 4 0 30 8 0 7 22 4 5 3 18 5 7 5 27 8 2 3 Mean daily minimum F C 14 0 10 0 10 6 11 9 9 7 12 4 11 2 11 6 17 6 8 0 23 1 4 9 31 0 0 6 31 4 0 3 27 6 2 4 21 4 5 9 16 4 8 7 13 1 10 5 18 9 7 3 Average precipitation inches mm 16 62 422 12 61 320 13 52 343 10 52 267 7 17 182 5 49 139 1 30 33 1 80 46 4 39 112 10 29 261 16 10 409 18 10 460 117 91 2 994 Source PRISM Climate Group 7 See also editList of glaciers in the United StatesReferences edit Coalman Glacier Geographic Names Information System United States Geological Survey United States Department of the Interior Retrieved August 5 2012 Mount Hood South OR Map TopoQwest United States Geological Survey Maps Retrieved August 5 2012 a b Jack Grauer July 1975 Mount Hood A Complete History self published p 291 ISBN 0 930584 01 5 Thomas P Deering Jr July 2 2004 1986 Mountain Architecture An Alternative Design Proposal for the Wy East Day Lodge Mount Hood Oregon Retrieved August 16 2007 1910 Famous Early Mount Hood Climber Gorge net Archived from the original on July 7 2007 Retrieved August 16 2007 citing Legacy Hood River News Previous noticed posted at Mount Hood Climbing Report May 17th United States Forest Service Retrieved May 17 2007 PRISM Climate Group Oregon State University PRISM Climate Group Oregon State University Retrieved October 5 2023 To find the table data on the PRISM website start by clicking Coordinates under Location copy Latitude and Longitude figures from top of table click Zoom to location click Precipitation Minimum temp Mean temp Maximum temp click 30 year normals 1991 2020 click 800m click Interpolate grid cell values click Retrieve Time Series button nbsp This article about a glacier in the United States is a stub You can help Wikipedia by expanding it vte nbsp This Clackamas County Oregon state location article is a stub You can help Wikipedia by expanding it vte nbsp This Hood River County Oregon state location article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Coalman Glacier amp oldid 1181056556, wikipedia, wiki, book, books, library,

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