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High- and Low-Pressure Zones, January

WorldPhysical Environment

Locations of high- and low-atmospheric pressure at mean sea level during January.

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A map illustrates high- and low-pressure zones worldwide for January, with high-pressure zones marked in red and low-pressure zones in blue.

High-Pressure Zones are found in Western North America (1,022 millibars), Northwest Africa (1,024 millibars), North-central Asia (1,044 millibars), Southeast Pacific (1,018 millibars), South Atlantic (1,022 millibars), South Indian Ocean (1,022 millibars)

Low-Pressure Zones are found in North Pacific near the Aleutian Islands (984 millibars), North Atlantic near Greenland and Iceland (992 millibars), along the equator in the Central Pacific Ocean, Central Africa, and Western Pacific Ocean, and around the coasts of Antarctica (three lows at 980 millibars).

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High- and Low-Pressure Zones, January

Population Undernourished

Crude Birth Rate

Major Dams

High

Class

Rank

Percent

Class

Rank

Live births per 1,000 people

Bersimis

Caniapiscau Barrage

Churchill Falls

Daniel Johnson

Denis-Perron

Ear Falls Dam

Eastmain-1

Fort Peck Dam

Gabbro Control Dam

Gardiner

Garrison Dam

Gouin

Grand Rapids

Hoover

Hugh Keenleyside

Isle Maligne Spillway 1

Jenpeg

Kenney

La Grande 2

La Grande 3

La Grande 4

Libby

Manicouagan 3

Mica

Oahe Dam

Opinaca

Outardes 4

Passes Dangereuses

Pine Portage Main

Rapides des Quinze

Revelstoke

Structure 193

Toledo Bend

W.A.C. Bennett

Whitesand Rapids

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