Death Valley

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Death Valley
Death Valley from space.JPG
Death Valley as seen from Space Shuttle Columbia in October 1995
Relief map of California.png
Red pog.svg
Death Valley
California
Floor elevation−282 ft (−86 m) [1]
Area3,000 square miles (7,800 km2)
Geography
Coordinates 36°14′49″N116°49′01″W / 36.24694°N 116.81694°W / 36.24694; -116.81694 Coordinates: 36°14′49″N116°49′01″W / 36.24694°N 116.81694°W / 36.24694; -116.81694 [2]
RiversFurnace Creek
Amargosa River

Death Valley is a desert valley in Eastern California, in the northern Mojave Desert, bordering the Great Basin Desert. During summer, it is the hottest place on Earth. [3]

Contents

Death Valley's Badwater Basin is the point of lowest elevation in North America, at 282 feet (86 m) below sea level. [1] It is 84.6 miles (136.2 km) east-southeast of Mount Whitney, the highest point in the contiguous United States, with an elevation of 14,505 feet (4,421 m). [4] On the afternoon of July 10, 1913, the United States Weather Bureau recorded a high temperature of 134 °F (56.7 °C) at Furnace Creek in Death Valley, [5] which stands as the highest ambient air temperature ever recorded on the surface of the Earth. [6] This reading, however, and several others taken in that period, a century ago, are disputed by some modern-day experts. [7]

Lying mostly in Inyo County, California, near the border of California and Nevada, in the Great Basin, east of the Sierra Nevada mountains, Death Valley constitutes much of Death Valley National Park and is the principal feature of the Mojave and Colorado Deserts Biosphere Reserve. It runs from north to south between the Amargosa Range on the east and the Panamint Range on the west; the Grapevine Mountains and the Owlshead Mountains form its northern and southern boundaries, respectively. [8] It has an area of about 3,000 sq mi (7,800 km2). [9] The highest point in Death Valley National Park is Telescope Peak, in the Panamint Range, which has an elevation of 11,043 feet (3,366 m). [10]

Geology

Death Valley, California, July 3, 2017, Sentinel-2 true-color satellite image, scale 1:250,000. DeathValley03July17-250.tif
Death Valley, California, July 3, 2017, Sentinel-2 true-color satellite image, scale 1:250,000.
Map showing the system of once-interconnected Pleistocene lakes in eastern California (USGS) California Pleistocene Lakes USGS.png
Map showing the system of once-interconnected Pleistocene lakes in eastern California (USGS)

Death Valley is a graben—a downdropped block of land between two mountain ranges. [11] It lies at the southern end of a geological trough, Walker Lane, which runs north to Oregon. The valley is bisected by a right lateral strike slip fault system, comprising the Death Valley Fault and the Furnace Creek Fault. The eastern end of the left lateral Garlock Fault intersects the Death Valley Fault. Furnace Creek and the Amargosa River flow through part of the valley and eventually disappear into the sands of the valley floor.

Death Valley also contains salt pans. According to current geological consensus, at various times during the middle of the Pleistocene era, which ended roughly 10,000–12,000 years ago, an inland lake, Lake Manly, formed in Death Valley. The lake was nearly 100 miles (160 km) long and 600 feet (180 m) deep. The end-basin in a chain of lakes that began with Mono Lake, in the north, and continued through basins down the Owens River Valley, through Searles and China Lakes and the Panamint Valley, to the immediate west. [12]

As the area turned to desert, the water evaporated, leaving an abundance of evaporitic salts, such as common sodium salts and borax, which were later exploited during the modern history of the region, primarily 1883 to 1907. [13]

Climate

Death Valley has a subtropical, hot desert climate (Köppen: BWh), with long, extremely hot summers; short, mild winters; and little rainfall.

The valley is extremely dry, because it lies in the rain shadow of four major mountain ranges (including the Sierra Nevada and Panamint Range). Moisture moving inland from the Pacific Ocean must pass eastward over the mountains to reach Death Valley; as air masses are forced upward by each range, they cool and moisture condenses, to fall as rain or snow on the western slopes. When the air masses reach Death Valley, most of the moisture in the air has already been lost and thus there is little left to fall as precipitation. [14]

The extreme heat of Death Valley is attributable to a confluence of geographic and topographic factors. Scientists have identified a number of key contributors: [14]

Severe heat and dryness contribute to perpetual drought-like conditions in Death Valley and prevent much cloud formation from passing through the confines of the valley, where precipitation is often in the form of a virga. [17]

The depth and shape of Death Valley strongly influence its climate. The valley is a long, narrow basin that descends below sea level and is walled by high, steep mountain ranges. The clear, dry air and sparse plant cover allow sunlight to heat the desert surface. Summer nights provide little relief: overnight lows may dip just into the 82 to 98 °F (28 to 37 °C) range. Moving masses of super-heated air blow through the valley, creating extremely high ambient temperatures. [18]

Sand dunes at Mesquite Flats Death Valley Mesquite Flats Sand Dunes 2013.jpg
Sand dunes at Mesquite Flats

The hottest air temperature ever recorded in Death Valley was 134 °F (56.7 °C), on July 10, 1913, at Greenland Ranch (now Furnace Creek), [6] which, as of 2022, is the highest atmospheric temperature ever recorded on the Earth's surface. [5] (A report of a temperature of 58 °C (136 °F) in Libya in 1922 was later determined to be inaccurate.) [6] During the heat wave that peaked with that record, five consecutive days reached 129 °F (54 °C) or higher. Some modern meteorologists now dispute the accuracy of the 1913 temperature measurement. [19] On June 30, 2013, a verified temperature of 129.2 °F (54.0 °C) was recorded and is tied with Mitribah, Kuwait, for the hottest reliably measured air temperature ever recorded on earth. [20] A temperature of 130 °F (54.4 °C) was recorded at the Furnace Creek weather station on August 16, 2020, but has not yet been officially verified. [21] [22] The valley again recorded that temperature on July 9, 2021. [23] [24] The valley's lowest temperature, recorded at Greenland Ranch on January 2, 1913, was 15 °F (−9 °C). [25]

The highest surface temperature ever recorded in Death Valley was 201.0 °F (93.9 °C), on July 15, 1972, at Furnace Creek, which is the highest ground surface temperature ever recorded on earth, as well as the only recorded surface temperature of above 200 °F (93.3 °C). [26]

The greatest number of consecutive days with a maximum temperature of at least 100 °F (38 °C) was 154, in the summer of 2001. The summer of 1996 had 40 days over 120 °F (49 °C), and 105 days over 110 °F (43 °C). The summer of 1917 had 52 days when the temperature reached 120 °F (49 °C) or above, 43 of them consecutive.

View from Badwater Basin Badwater Desolation.jpg
View from Badwater Basin

The highest overnight or low temperature recorded in Death Valley is 110 °F (43 °C), recorded on July 5, 1918. [27] However this value is disputed; a record high low of 107 °F (42 °C) on July 12, 2012, is considered reliable. [28] This is one of the highest values ever recorded. [29] Also on July 12, 2012, the mean 24-hour temperature recorded at Death Valley was 117.5 °F (47.5 °C), which makes it the world's warmest 24-hour temperature on record. [30]

Four major mountain ranges lie between Death Valley and the ocean, each one adding to an increasingly drier rain shadow effect, and in 1929, 1953, and 1989, no rain was recorded for the whole year. [18] The period from 1931 to 1934 was the driest stretch on record, with only 0.64 inches (16 mm) of rain over a 40-month period. [17] The average annual precipitation in Death Valley is 2.36 inches (60 mm), while the Greenland Ranch station averaged 1.58 in (40 mm). [31] The wettest month on record is January 1995, when 2.59 inches (66 mm) fell on Death Valley. [17] The wettest period on record was mid-2004 to mid-2005, in which nearly 6 inches (150 mm) of rain fell in total, leading to ephemeral lakes in the valley and the region and tremendous wildflower blooms. [32] Snow with accumulation has only been recorded in January 1922, while scattered flakes have been recorded on other occasions.

Climate data for Death Valley National Park, California, 1991–2020 normals, [lower-alpha 1] extremes 1911–present
MonthJanFebMarAprMayJunJulAugSepOctNovDecYear
Record high °F (°C)90
(32)
97
(36)
104
(40)
113
(45)
122
(50)
129
(54)
134
(57)
130
(54)
127
(53)
113
(45)
98
(37)
89
(32)
134
(57)
Mean maximum °F (°C)78.4
(25.8)
85.1
(29.5)
95.4
(35.2)
106.0
(41.1)
113.6
(45.3)
122.0
(50.0)
125.9
(52.2)
123.4
(50.8)
118.1
(47.8)
106.2
(41.2)
90.0
(32.2)
77.8
(25.4)
126.7
(52.6)
Average high °F (°C)67.2
(19.6)
73.7
(23.2)
82.6
(28.1)
91.0
(32.8)
100.7
(38.2)
111.1
(43.9)
117.4
(47.4)
115.9
(46.6)
107.7
(42.1)
93.3
(34.1)
77.4
(25.2)
65.6
(18.7)
92.0
(33.3)
Daily mean °F (°C)54.9
(12.7)
61.3
(16.3)
69.8
(21.0)
77.9
(25.5)
87.8
(31.0)
97.5
(36.4)
104.2
(40.1)
102.3
(39.1)
93.4
(34.1)
78.9
(26.1)
64.0
(17.8)
53.4
(11.9)
78.8
(26.0)
Average low °F (°C)42.5
(5.8)
49.0
(9.4)
57.1
(13.9)
64.8
(18.2)
75.0
(23.9)
84.0
(28.9)
91.0
(32.8)
88.7
(31.5)
79.1
(26.2)
64.4
(18.0)
50.5
(10.3)
41.1
(5.1)
65.6
(18.7)
Mean minimum °F (°C)30.5
(−0.8)
36.1
(2.3)
42.8
(6.0)
49.8
(9.9)
58.5
(14.7)
67.9
(19.9)
78.3
(25.7)
75.3
(24.1)
65.4
(18.6)
49.5
(9.7)
35.9
(2.2)
29.0
(−1.7)
28.0
(−2.2)
Record low °F (°C)15
(−9)
20
(−7)
26
(−3)
35
(2)
42
(6)
49
(9)
62
(17)
65
(18)
41
(5)
32
(0)
24
(−4)
19
(−7)
15
(−9)
Average precipitation inches (mm)0.37
(9.4)
0.52
(13)
0.25
(6.4)
0.10
(2.5)
0.03
(0.76)
0.05
(1.3)
0.10
(2.5)
0.10
(2.5)
0.20
(5.1)
0.12
(3.0)
0.10
(2.5)
0.26
(6.6)
2.20
(56)
Average precipitation days (≥ 0.01 in)2.42.92.01.10.90.31.10.90.81.10.91.616.0
Source: NOAA [33] [34] (September record high) [35]
Climate data for Death Valley (Cow Creek Station)
MonthJanFebMarAprMayJunJulAugSepOctNovDecYear
Record high °F (°C)84
(29)
89
(32)
100
(38)
110
(43)
120
(49)
125
(52)
126
(52)
125
(52)
123
(51)
111
(44)
95
(35)
84
(29)
126
(52)
Average high °F (°C)64.4
(18.0)
71.6
(22.0)
80.6
(27.0)
90.9
(32.7)
100.0
(37.8)
109.3
(42.9)
116.0
(46.7)
113.8
(45.4)
106.9
(41.6)
92.1
(33.4)
75.4
(24.1)
65.9
(18.8)
90.6
(32.6)
Daily mean °F (°C)52.5
(11.4)
59.1
(15.1)
67.4
(19.7)
77.5
(25.3)
86.4
(30.2)
95.3
(35.2)
102.1
(38.9)
99.9
(37.7)
92.1
(33.4)
78.1
(25.6)
62.3
(16.8)
54.1
(12.3)
77.2
(25.1)
Average low °F (°C)40.6
(4.8)
46.6
(8.1)
54.3
(12.4)
64.1
(17.8)
72.7
(22.6)
81.2
(27.3)
88.4
(31.3)
86.0
(30.0)
77.4
(25.2)
64.0
(17.8)
49.3
(9.6)
42.4
(5.8)
63.9
(17.7)
Record low °F (°C)19
(−7)
30
(−1)
33
(1)
45
(7)
52
(11)
54
(12)
69
(21)
69
(21)
57
(14)
40
(4)
32
(0)
27
(−3)
19
(−7)
Average precipitation inches (mm)0.24
(6.1)
0.32
(8.1)
0.20
(5.1)
0.20
(5.1)
0.10
(2.5)
0.02
(0.51)
0.10
(2.5)
0.11
(2.8)
0.12
(3.0)
0.11
(2.8)
0.20
(5.1)
0.29
(7.4)
2.00
(51)
Source: Western Regional Climate Center [36]

Flooding

A Landsat 5 satellite photo of Lake Badwater on February 9, 2005 Lake Badwater, Death Valley, 2005.jpg
A Landsat 5 satellite photo of Lake Badwater on February 9, 2005
A Landsat 5 satellite photo of Badwater Basin dry lake on February 15, 2007 Badwater tm5 2007046.jpg
A Landsat 5 satellite photo of Badwater Basin dry lake on February 15, 2007

In 2005, Death Valley received four times its average annual rainfall of 1.5 inches (38 mm). As it has done before for hundreds of years, the lowest spot in the valley filled with a wide, shallow lake, but the extreme heat and aridity immediately began evaporating the ephemeral lake.

The pair of images (seen at right) from NASA's Landsat 5 satellite documents the short history of Death Valley's Lake Badwater: formed in February 2005 (top) and evaporated by February 2007 (bottom). In 2005, a big pool of greenish water stretched most of the way across the valley floor. By May 2005, the valley floor had resumed its more familiar role as Badwater Basin, salt-coated salt flats. In time, this freshly dissolved and recrystallized salt will darken. [37]

The western margin of Death Valley is traced by alluvial fans. During flash floods, rainfall from the steep mountains to the west pours through narrow canyons, picking up everything from fine clay to large rocks. When these torrents reach the mouths of the canyons, they widen and slow, branching out into distributary channels. The paler the fans, the younger they are.

Ecology

Death Valley in 2005 springtime bloom Death Valley Gerea canescens.jpg
Death Valley in 2005 springtime bloom

In spite of the overwhelming heat and sparse rainfall, Death Valley exhibits considerable biodiversity. Flowers, watered by snowmelt, carpet the desert floor each spring, continuing into June. [32] Bighorn sheep, red-tailed hawks, and wild donkeys may be seen. Death Valley has over 600 springs and ponds. Salt Creek, a mile-long shallow depression in the center of the valley, supports Death Valley Pupfish. [38] These isolated pupfish populations are remnants of the wetter Pleistocene climate. [38]

Darwin Falls, on the western edge of Death Valley Monument, falls 100 feet (30 m) into a large pond surrounded by willows and cottonwood trees. Over 80 species of birds have been recorded around the pond. [39]

Efflorescence, also known as salt flowers, is a rare occurrence in Death Valley that occurs when rain soaks into the soil and dissolves salt beneath the surface causing the ground to appear as if there is a light dusting of snow. [40]

History

Death Valley is home to the Timbisha tribe of Native Americans, formerly known as the Panamint Shoshone, who have inhabited the valley for at least the past millennium. The Timbisha name for the valley, tümpisa, means "rock paint" and refers to the red ochre paint that can be made from a type of clay found in the valley. Some families still live in the valley at Furnace Creek. Another village was in Grapevine Canyon near the present site of Scotty's Castle. It was called maahunu in the Timbisha language, whose meaning is uncertain, although it is known that hunu means 'canyon'.[ citation needed ]

The valley received its English name in 1849 during the California Gold Rush. It was called Death Valley by prospectors [41] and others who sought to cross the valley on their way to the gold fields, after 13 pioneers perished from one early expedition of wagon trains. [42] [43] During the 1850s, gold and silver were extracted in the valley. In the 1880s, borax was discovered and extracted by mule-drawn wagons.

Zbriskie Point South Panorama 2012.jpg
Badlands at Zabriskie Point in Death Valley

Death Valley National Monument was proclaimed on February 11, 1933, by President Herbert Hoover, placing the area under federal protection. In 1994, the monument was redesignated as Death Valley National Park, as well as being substantially expanded to include Saline and Eureka Valleys.

Notable attractions and locations

Flash flood near Panamint Butte, Death Valley, in 2013 Death Valley exit SR190 view Panamint Butt flash flood 2013.jpg
Flash flood near Panamint Butte, Death Valley, in 2013

Films

A number of movies have been filmed in Death Valley, including: [44] [45]

Music

Television

See also

Notes

  1. Mean maxima and minima (i.e. the highest and lowest temperature readings during an entire month or year) calculated based on data at said location from 1991 to 2020.

Related Research Articles

<span class="mw-page-title-main">Death Valley National Park</span> National park in California and Nevada, United States

Death Valley National Park is an American national park that straddles the California–Nevada border, east of the Sierra Nevada. The park boundaries include Death Valley, the northern section of Panamint Valley, the southern section of Eureka Valley and most of Saline Valley. The park occupies an interface zone between the arid Great Basin and Mojave deserts, protecting the northwest corner of the Mojave Desert and its diverse environment of salt-flats, sand dunes, badlands, valleys, canyons and mountains. Death Valley is the largest national park in the contiguous United States, as well as the hottest, driest and lowest of all the national parks in the United States. It contains Badwater Basin, the second-lowest point in the Western Hemisphere and lowest in North America at 282 feet (86 m) below sea level. More than 93% of the park is a designated wilderness area. The park is home to many species of plants and animals that have adapted to this harsh desert environment including creosote bush, Joshua tree, bighorn sheep, coyote, and the endangered Death Valley pupfish, a survivor from much wetter times. UNESCO included Death Valley as the principal feature of its Mojave and Colorado Deserts Biosphere Reserve in 1984.

<span class="mw-page-title-main">Inyo County, California</span> County in California, United States

Inyo County is a county in the eastern central part of the U.S. state of California, located between the Sierra Nevada and the state of Nevada. In the 2020 census, the population was 19,016. The county seat is Independence. Inyo County is on the east side of the Sierra Nevada and southeast of Yosemite National Park in Central California. It contains the Owens River Valley; it is flanked to the west by the Sierra Nevada and to the east by the White Mountains and the Inyo Mountains. With an area of 10,192 square miles (26,397 km2), Inyo County is the second-largest county by area in California, after San Bernardino County. Almost one-half of that area is within Death Valley National Park. However, with a population density of 1.8 people per square mile, it also has the second-lowest population density in California, after Alpine County.

<span class="mw-page-title-main">Furnace Creek, California</span> Census-designated place in California, United States

Furnace Creek is a census-designated place (CDP) in Inyo County, California, United States. The population was 136 at the 2020 census, up from 24 at the 2010 census. The elevation of the village is 190 feet (58 m) below sea level. Furnace Creek holds the record for the highest recorded air temperature on Earth at 134 °F (56.7 °C) on July 10, 1913. Furnace Creek also holds the record for the highest recorded natural ground surface temperature on Earth at 201 °F (93.9 °C) on July 15, 1972, and also holds some other temperature records.

<span class="mw-page-title-main">Desert climate</span> Arid climate subtype in the Köppen climate classification system with very little precipitation

The desert climate or arid climate, is a dry climate sub-type in which there is a severe excess of evaporation over precipitation. The typically bald, rocky, or sandy surfaces in desert climates are dry and hold little moisture, quickly evaporating the already little rainfall they receive. Covering 14.2% of earth's land area, hot deserts are the second most common type of climate on earth after the polar climate.

<span class="mw-page-title-main">Turpan Depression</span> Fault-bounded trough in the Tian Shan mountain range

The Turpan Depression or Turfan Depression, is a fault-bounded trough located around and south of the city-oasis of Turpan, in the Xinjiang Autonomous Region in far Western China, about 150 kilometres (93 mi) southeast of the regional capital Ürümqi. It includes Lake Ayding, −154 metres (−505 ft), the second or third lowest depression on Earth. By some measures, it is also the hottest and driest area in China during the summer.

<span class="mw-page-title-main">Badwater Basin</span> Salt-filled basin in Death Valley National Park, containing the lowest point in North America

Badwater Basin is an endorheic basin in Death Valley National Park, Death Valley, Inyo County, California, noted as the lowest point in North America and the United States, with a depth of 282 ft (86 m) below sea level. Mount Whitney, the highest point in the contiguous 48 United States, is only 84.6 miles (136 km) to the northwest.

<span class="mw-page-title-main">Alvord Desert</span> Desert in southeastern Oregon

The Alvord Desert is a desert located in Harney County, in southeastern Oregon in the Western United States. It is roughly southeast of Steens Mountain. The Alvord Desert is a 12-by-7-mile dry lake bed and averages 7 inches (180 mm) of rain a year. Two mountain ranges separate it from the Pacific Ocean—the Coast Range, and the Cascade Mountains. Along with Steens Mountain, these topographical features create a rain shadow. The Alvord Desert lies at an elevation of approximately 4,000 feet (1,200 m).

<span class="mw-page-title-main">Geology of the Death Valley area</span> Geology of the area in California and Nevada

The exposed geology of the Death Valley area presents a diverse and complex set of at least 23 formations of sedimentary units, two major gaps in the geologic record called unconformities, and at least one distinct set of related formations geologists call a group. The oldest rocks in the area that now includes Death Valley National Park are extensively metamorphosed by intense heat and pressure and are at least 1700 million years old. These rocks were intruded by a mass of granite 1400 Ma and later uplifted and exposed to nearly 500 million years of erosion.

<span class="mw-page-title-main">Places of interest in the Death Valley area</span>

Places of interest in the Death Valley area are mostly located within Death Valley National Park in eastern California.

The climate of Salt Lake City, Utah features cold and snowy winters, hot and dry summers, and modest to light seasonal rainfall. Lying in the Salt Lake Valley, the city is surrounded by mountains and the Great Salt Lake. Under the Köppen climate classification, Salt Lake City has either a humid subtropical climate (Cfa) or a humid continental climate (Dfa) depending on which variant of the system is used, though it borders on a Mediterranean climate (Csa) or dry-summer continental climate (Dsa) as summers are quite dry.

The Timbisha are a Native American tribe federally recognized as the Death Valley Timbisha Shoshone Band of California. They are known as the Timbisha Shoshone Tribe and are located in south central California, near the Nevada border. As of the 2010 Census the population of the Village was 124. The older members still speak the ancestral language, also called Timbisha.

<span class="mw-page-title-main">Oasis at Death Valley</span> Resort in California, US

The Oasis at Death Valley, formerly called Furnace Creek Inn and Ranch Resort, is a luxury resort in Furnace Creek, on private land within the boundaries of California's Death Valley National Park. It is owned and operated by Xanterra Parks and Resorts.

<span class="mw-page-title-main">Climate of California</span> Overview of the climate of the U.S. state of California

The climate of California varies widely from hot desert to alpine tundra, depending on latitude, elevation, and proximity to the Pacific Coast. California's coastal regions, the Sierra Nevada foothills, and much of the Central Valley have a Mediterranean climate, with warmer, drier weather in summer and cooler, wetter weather in winter. The influence of the ocean generally moderates temperature extremes, creating warmer winters and substantially cooler summers in coastal areas.

<span class="mw-page-title-main">Dante's View</span>

Dante's View is a viewpoint terrace at 1,669 m (5,476 ft) height, on the north side of Coffin Peak, along the crest of the Black Mountains, overlooking Death Valley. Dante's View is about 25 km (16 mi) south of Furnace Creek in Death Valley National Park.

<span class="mw-page-title-main">Climate of the United States</span> Varies due to changes in latitude, and a range of geographic features

The climate of the United States varies due to changes in latitude, and a range of geographic features, including mountains and deserts. Generally, on the mainland, the climate of the U.S. becomes warmer the further south one travels, and drier the further west, until one reaches the West Coast.

<span class="mw-page-title-main">Climate of Oregon</span>

According to the Köppen climate classification, most of Western Oregon has a warm-summer mediterranean climate, which features warm, dry summers, and wet winters with frequent overcast and cloudy skies. Eastern Oregon falls into the cold semi-arid climate, which features drier weather.

The highest temperature recorded on Earth has been measured in three major ways: air, ground, and via satellite observation. Air measurements are used as the standard measurement due to persistent issues with unreliable ground and satellite readings. Air measurements are noted by the World Meteorological Organization (WMO) and Guinness World Records among others as the standard to be used for determining the official record. The current official highest registered air temperature on Earth is 56.7 °C (134.1 °F), recorded on 10 July 1913 at Furnace Creek Ranch, in Death Valley in the United States. For ninety years, a former record that was measured in Libya had been in place, until it was decertified in 2012 based on evidence that it was an erroneous reading. This finding has since raised questions about the legitimacy of the 1913 record measured in Death Valley, with several meteorological experts asserting that there were similar irregularities. The WMO has stood by the record as official pending any future investigative results. If the current record were to be decertified then the holder would be a tie at 54.0 °C (129.2 °F), recorded both at Furnace Creek, and in Kuwait.

<span class="mw-page-title-main">Lake Manly</span> Lake in Death Valley, California, United States

Lake Manly was a pluvial lake in Death Valley, California, covering much of Death Valley with a surface area of 1,600 square kilometres (620 sq mi) during the so-called "Blackwelder stand". Water levels varied through its history, and the chronology is further complicated by active tectonic processes that have modified the elevations of the various shorelines of Lake Manly; during the Blackwelder stage they reached 47–90 metres (154–295 ft) above sea level. The lake received water mainly from the Amargosa River and at various points from the Mojave River and Owens River. The lake and its substantial catchment favoured the spread of a number of aquatic species, including some lizards, pupfish and springsnails. The lake probably supported a substantial ecosystem, and a number of diatoms developed there.

The 2018 North American heat wave affected regions of Canada, where at least 70 deaths in Quebec were heat-related, the United States, where 18 states between Michigan and New Mexico issued heat advisories to a population of over 60 million people, and of Mexico, particularly the northwest and central regions.

References

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