Climate by city in the United States

Question

This piglix contains articles or sub-piglix about Climate by city in the United States

Answer 1

Climate of Anchorage, Alaska

Anchorage, Alaska has a subarctic climate with the code Dfc according to the Köppen climate classification due to its short, cool summers. Average daytime summer temperatures range from approximately 55 to 78 °F (12.8 to 25.6 °C); average daytime winter temperatures are about 5 to 30 °F (−15.0 to −1.1 °C). Anchorage has a frost-free growing season that averages slightly over one hundred days.

Average January low and high temperatures at Ted Stevens Anchorage International Airport (PANC) are 11 / 23 °F (−11.7 / −5.0 °C) with an average winter snowfall of 75.5 inches or 1.92 metres.

The weather on any given day and indeed for entire seasons can be very unpredictable. Some winters feature several feet of snow and cold temperatures, while others like that of 1976–77 (in the January of which Anchorage amazingly averaged 2.7 °F or 1.5 °C warmer than Atlanta almost 30 degrees closer to the equator), just a foot or two of snow and frequent thaws, which put dangerous ice on the streets.

On March 17, 2002, there was a storm causing 22 inches of snow closing schools for the next two days. The storm broke the city record for the most snowfall in a single day. The storm, which started the evening of March 16, easily surpassed the old record of 15.6 inches or 0.40 metres recorded on 28 December and 29 December 1955. On March 17, 22 inches or 0.56 metres were measured by the National Weather Service, topping the old record of 15.6 inches or 0.40 metres set on December 29, 1955.

The 2011-2012 winter had 134.5 inches or 3.42 metres, which made it the snowiest winter on record while the least snowiest winter of record was 2014-2015 when 25.1 inches or 0.64 metres of snow fell. The coldest temperature ever recorded at the original weather station located at Merrill Field on the East end of 5th Avenue was −38 °F or −38.9 °C on February 3, 1947.

Due to its proximity to active volcanoes, ash hazards are a significant, though infrequent, occurrence. The most recent notable incident was an August, 1992 eruption of Mt. Spurr, which is located 78 miles west of the city. The eruption deposited about 3 mm of volcanic ash on the city. The clean-up of ash resulted in excessive demands for water and caused major problems for the Anchorage Water and Wastewater Utility.

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Answer 2

Geography of Atlanta

The Geography of Atlanta encompasses 132.4 square miles (342.9 km²), of which 131.7 square miles (341.1 km²) is land and 0.7 square miles (1.8 km²) is water. The city is situated among the foothills of the Appalachian Mountains, and at 1,050 feet (320 m) above mean sea level, Atlanta has one of the highest elevations among major cities east of the Mississippi River. Atlanta straddles the Eastern Continental Divide, such that rainwater that falls on the south and east side of the divide flows into the Atlantic Ocean, while rainwater on the north and west side of the divide flows into the Gulf of Mexico. Atlanta sits atop a ridge south of the Chattahoochee River, which is part of the ACF River Basin. Located at the far northwestern edge of the city, much of the river’s natural habitat is preserved, in part by the Chattahoochee River National Recreation Area.

The climate of Atlanta and its metropolitan area is humid subtropical, (Cfa) according to the Köppen classification, with four seasons including hot, humid summers and cool winters that are occasionally cold by the standards of the southern United States; the city and its immediate suburbs are located in USDA Plant Hardiness Zone 8a, although the far northern suburbs begin to transition to Zone 7b.

Summers are long and consistently hot and humid. The daily average temperature in July is 80.2 °F (26.8 °C), with temperatures occasionally exceeding 100 °F or 37.8 °C, and slight breezes, and typically a 20–40% chance of afternoon thunderstorms. During the summer afternoon thunderstorms, temperatures may suddenly drop below 85 °F or 29.4 °C with locally heavy rainfall.

January averages 43.3 °F or 6.3 °C, with temperatures in the suburbs slightly cooler. Warm, maritime air can bring springlike conditions while strong Arctic air masses can push lows to between 20 and 10 °F (−6.7 and −12.2 °C). Snow may not occur in every season in the city and inner suburbs but does every season in the northern metro. When snow falls it is almost always during the period of December through March: there have occurred only three measurable falls outside these months in the past ninety years, the largest being 1.0 inch or 0.025 metres on November 11, 1968.

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Answer 3

Climate of Bismarck, North Dakota

The climate of Bismarck in the U.S. state of North Dakota is humid continental (Köppen Dfb), caused primarily by the combination of its mid-level latitude and location not far from the geographic centre of the U.S. Its summers are hot enough for it to border on having a Köppen Dfa classification, and precipitation is high enough for it to barely avoid being classified as semi-arid (Köppen climate classification BSk). The city's climate displays four very distinct seasons and great variation in temperatures over very short periods of time. Like other cities in the northern Great Plains, its climate is also fairly dry.

Temperatures in Bismarck are variable throughout most of the year, with some stability in summer due to the yearly weakening of the jet stream. Nevertheless, there are four very distinct seasons, with great temperature variation. The warmest month of the year is July, when the average high temperature is 84.5 °F (29.2 °C). Overnight low temperatures in July average 56.4 °F (13.6 °C). The coldest month of the year is January, with an average high temperature of 21.1 °F (−6.1 °C) and lows of −0.6 °F (−18.1 °C) on average.

Highs exceed 90 °F (32.2 °C) on 21 days per year, and 50 °F (10.0 °C) for only 17 days from November to March. Highs reach the freezing mark on about one-third of the days from December to February, and lows reach 0 °F (−17.8 °C) or below on 42 nights per year.

The highest temperature ever recorded in Bismarck was 114 °F (46 °C), on July 6, 1936. The temperature has reached or exceeded 110 °F (43.3 °C) in Bismarck a total of five times in recorded weather history. Two of those occasions were in the same five-year period: 111 °F (43.9 °C) in June 2002, and 112 °F (44.4 °C) in July 2006. The coldest temperature ever recorded in Bismarck was −45 °F (−43 °C), on both January 13, 1916 and February 16, 1936.

The climate of Bismarck tends to be dry, with yearly precipitation averaging only 16.8 inches (427 mm). The wettest month of the year on average is June, when a majority of precipitation falls as rain from thunderstorms. June averages 2.59 inches (65.8 mm) of precipitation. December is the driest month, averaging only 0.44 inches (11.2 mm), as precipitation falls as fluffy, low moisture-content snow. In the winter, Bismarck averages 49.3 inches (125 cm) of snow annually.

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Answer 4

Climate of Chicago

The climate of Chicago is classified as humid continental (Köppen Dfa), with all four seasons distinctly represented: wet, cool springs; somewhat hot, and often humid, summers; pleasantly mild autumns; and cold winters. Annual precipitation in Chicago is average, and reaches its lowest points in the months of January and February, and peaks in the months of May and June. Chicago's weather is influenced by the nearby presence of Lake Michigan during all four seasons.

The National Weather Service office in Chicago has one of the longest periods of official weather records, dating back to 1870, though all of the 1870 and 1871 weather records taken at 181 West Washington Street were lost in the Great Chicago Fire. As for the two major airports located in Chicago, Midway Airport began observations in 1928, and O'Hare Airport began observations in 1958. Both sites have served as official observation locations, with the latter being the current location where Chicago's official weather data is recorded. For Midway Airport, weather data prior to July 1, 1942 and after January 16, 1980 are not part of the official climate record of Chicago. All weather data taken at O'Hare from the beginning of observations in 1958 until January 17, 1980 are not part of the official climate record of Chicago.

Here is a list of official weather locations for the Chicago office:

Note: Some of the addresses prior to 1909 are different than the post-1909 addresses

Winter in Chicago proves quite variable: Seasonal snowfall in the city has ranged from 9.8 inches (24.9 cm) (in 1920–21) up to 89.7 in (228 cm) (in 1978–79), and the average annual snowfall in Chicago is 36 inches (91 cm). Most winters produce many snow falls during the season in light accumulations of around 2 in (5.1 cm). Cities on the other side of Lake Michigan usually receive more snow than Chicago because of the lake-effect snow that falls on these communities, even though northeasterly winds can sometimes bring lake-effect snow to Chicago area too. However, every three years or so during the winter Chicago experiences a heavier snowstorm that can produce over 10 in (25 cm) of snow over a 1- to 3-day period, a level of snowfall very often seen in cities on the "snowbelt" on other side of the lake such as Grand Rapids, Michigan, Kalamazoo, Michigan, and South Bend, Indiana.

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Answer 5

Climate of Dallas

The city of Dallas has a humid subtropical climate (Köppen climate classification: Cfa) that is characteristic of the Southern Plains of the United States. Dallas experiences distinct four seasons. July and August are typically the hottest months, with an average low of 76.7 °F (25 °C) and an average high of 96.0 °F (36 °C). January is typically the coldest month, with an average low of 37.3 °F (3 °C) and an average high of 56.8 °F (14 °C). Located at the lower-end of the Tornado Alley, it is often prone to storms.

A couple of times each year, warm and humid air from the south overrides cold, dry air, leading to freezing rain, which often causes major disruptions in the city if the roads and highways become slick. On the other hand, daytime highs above 65 °F (18 °C) are not unusual during the winter season. Extremes in weather are more readily seen in Dallas and Texas as a whole than along the Pacific and Atlantic coasts, due to the state's location in the interior of the United States.

Spring and autumn bring pleasant weather to the area. Vibrant wildflowers (such as the bluebonnet, Indian paintbrush and other flora) bloom in spring and are planted around the highways throughout Texas. Springtime weather can be quite volatile, but temperatures themselves are mild. The weather in Dallas is also generally pleasant between late September and early December, and unlike springtime, major storms rarely form in the area.

In the spring, cool fronts moving south from Canada collide with warm, humid air streaming in from the Gulf Coast. When these fronts meet over north central Texas, severe thunderstorms are generated with spectacular lightning shows, torrents of rain, hail, and occasionally, tornadoes. Over time, tornadoes have perhaps been the biggest natural threat to the city.

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Answer 6

Geography of Denver

The City and County of Denver, Colorado, is located at 39°43'35" North, 104°57'56" West (39.726287, −104.965486) in the Colorado Front Range region. The Southern Rocky Mountains lie to the west of Denver and the High Plains lie to the east.

According to the United States Census Bureau, the city has a total area of 401.3 km² (154.9 mi²). 397.2 km² (153.4 mi²) of it is land and 4.1 km² (1.6 mi²) of it is water. The total area is 1.03% water.

Denver features a semi-arid climate (Koppen climate classification BSk) with very low humidity and around 3,100 hours of sunshine per year. The weather of the city and surrounding area is influenced by the proximity of the Rocky Mountains to the west. The climate, while generally mild compared to the mountains to the west and the plains further east, can be moderately unpredictable. Measurable amounts of snow have fallen in Denver as late as Memorial Day and as early as Labor Day, though this is extremely rare and hasn't occurred in many years.

The average temperature in Denver is 50.4 °F (10.2 °C), and the average yearly precipitation is 14.30 in (363 mm). The average window for measurable (≥0.1 in or 0.25 cm) snowfall is October 17 thru April 27, averaging 53.8 in (136.7 cm) of seasonal accumulation for 1981−2010. Denver averages 270 clear and partly cloudy days per year or 3200 hours of sunshine making it one of the sunniest major cities. Denver receives more precipitation than most locations with semi-arid climates, but still features a semi-arid climate due to its high evapotranspiration.

Denver's winters are normally dry and range from mild to considerably cold, and although large amounts of snow can fall on the mountains just west of the city, the effects of orographic lift dry out the air passing over the Front Range shadowing the city from precipitation for much of the season. Additionally, warm chinook winds can occasionally be felt as air passing over the mountains heats as it descends, bringing a melting snow cover and surging temperatures; from December to February there is an average 12−18 days of 50 °F (10 °C)+ highs and 1−3 days of above-freezing lows per month. The coldest temperature ever recorded in Denver was recorded on January 9, 1875 at −29 °F (−34 °C), though the last time Denver recorded a temperature below −20 °F (−29 °C) was December 22, 1990.

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Answer 7

Climate of Grand Forks, North Dakota

The Climate of Grand Forks, North Dakota is a warm summer continental (Köppen Dfb) typical of cities located in the Great Plains, with four very distinct seasons and great variation in temperatures over very short periods of time. The city's climate is characterized by long, cold winters with moderate snowfall and warm summers which are typically humid.

Grand Forks lies in the middle of the North American continent on low-lying, flat land. Since it is located in the Great Plains, it has an extreme continental climate, in that there are great differences between summer and winter temperatures. As there are no nearby mountain ranges or bodies of water to ameliorate the winter climatic conditions, Grand Forks lies exposed to numerous weather systems including bitterly cold Arctic high pressure systems. This can result in bone-chilling temperatures as early as the end of October, followed by bitter cold temperatures and readings during December, January and February. During these three months, the high reaches freezing on only 18 days, and the low falls below 0 °F (−17.8 °C) for 50 days per year. Cold weather and snow will occasionally extend into April, although in general the winter weather begins to moderate in late February or early March. The lowest temperature ever recorded was −43 °F (−42 °C), most recently on January 30, 2004.

Summers are typically warm but dry. In Grand Forks, severe thunderstorms and tornadoes are becoming extremely scarce as storm systems have been shifting towards the country's coasts within the past decade. Depending on the year, warm weather can continue beyond to October, or come to an abrupt end soon after Labor Day. The city often receives an Indian Summer, when summer weather returns briefly after the first frosts, in mid to late October, or even early November. The highest temperature ever recorded in Grand Forks was 109 °F (43 °C) on July 6, 1936.

The wettest month is June and the driest is December, and precipitation is concentrated from May to September. There is generally snow cover from mid-November to the end of March, though this varies depending on the year—heavy snowfalls in late October and in April are not uncommon. The city averages 37.2 inches (94 cm) of snow per season.

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Answer 8

Climate of Houston

The climate of Houston is classified as humid subtropical. August normally ranks as the warmest month at 84.6 °F (29.2 °C) and January the coldest month at 53.1 °F (11.7 °C).

The normal annual precipitation measures 49.77 inches (1,264 mm). Occasional severe weather of Houston mostly takes the form of flooding. Supercell thunderstorms sometimes bring tornadoes to the area, most commonly during spring. Houston sometimes experiences tropical cyclones during the Atlantic hurricane season, which can bring heavy rain and significant damage to the city. The last hurricane to hit was Hurricane Harvey in 2017.

June through August in Houston is very hot and humid, often with scattered afternoon showers and thunderstorms. At George Bush Intercontinental Airport, the normal daily high temperature peaks at 95.0 °F (35.0 °C) on 5–12 August, with a normal of 102.4 days per year at or above 90 °F (32 °C) and 3.5 days per year at or above 100 °F (38 °C). The average relative humidity ranges from over 90 percent in the morning to around 60 percent in the afternoon.Summer temperatures in Houston are very similar to average temperatures seen in tropical climates, such as in the Philippines and Central America. The value of relative humidity results in a heat index higher than the actual temperature. The highest temperature ever recorded at George Bush Intercontinental Airport was 109 °F (43 °C) on September 4, 2000 and on August 27, 2011. On June 29, 2013, the temperature at George Bush Intercontinental Airport reached 107 °F (42 °C), the highest ever recorded in June. Heat stroke can strike people who stay outdoors for long periods of time during the summer, making hydration essential for outdoor work and recreational activity. The 2014 summer season did not yield 100+ degree weather in response to the monsoon-esque rainfall during late June to August during a period where the Pacific Coast off Central America was heating up which evolved into the 2014-16 El Nino event - this cycle one existed between 1971-76 during post-El Nino cycles.

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Answer 9

Climate of Miami

Miami has a tropical monsoon climate (Köppen climate classification Am) with hot and humid summers and short, warm winters, with a marked drier season in the winter. Its sea-level elevation, coastal location, position just above the Tropic of Cancer, and proximity to the Gulf Stream shape its climate.

With January averaging 69.2 °F (20.7 °C), winter features warm temperatures; cool air usually settles after the passage of a cold front, which produces much of the little amount of rainfall. Lows sometimes fall to or below 50 °F (10 °C), with an average 3 such occurrences annually, but very rarely 40 °F (4 °C); from 1981 to 2010, temperatures reached that level in only eight calendar years. Highs generally reach 70 °F (21 °C) or higher, and fail to do so on only an average of 12 days annually.

The wet season usually begins during the month of May and continues through mid-October. During this period, temperatures are in the mid 80s to low 90s (29–35 °C), accompanied by high humidity, though the heat is often relieved by afternoon thunderstorms or a sea breeze that develops off the Atlantic Ocean, which then allow lower temperatures, but conditions still remain very muggy. Much of the year's 61.9 inches (1,570 mm) of rainfall occurs during this period.

Extreme temperatures range from 26.5 °F (recorded as 27 in the almanac) on February 3, 1917, to 100 °F on July 21, 1942, (−2.8 to 38 °C), the triple-digit (°F) reading on record; the more recent freezing temperature seen at Miami International Airport was on December 25, 1989. The highest daily minimum temperature is 84 °F (29 °C) on August 4, 1993 and September 7, 1897 (although the corresponding record for Miami Beach is 90 °F or 32 °C on July 17, 2001), and conversely, the lowest daily maximum temperature is 45 °F (7 °C) on February 19, 1900.

While Miami has never officially recorded any accumulating snowfall since records have been kept, there were dubious claims of snow flurries on January 19, 1977 during the cold wave of January 1977. Weather conditions for the area around Miami were recorded sporadically from 1839 until 1900, with many years-long gaps. A cooperative temperature and rainfall recording site was established in what is now Downtown in December 1900. An official Weather Bureau Office opened in Miami in June 1911. Heavy snow squalls with accumulations that lasted for a few hours after the snow had stopped falling in February 1899 were reported, but these are not official since there is no written record of it.

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Answer 10

Geography of Memphis, Tennessee

The City of Memphis is located on the eastern bank of the Mississippi River in the southwest corner of the U.S. state of Tennessee. It is the regional hub for a tri-state area of Arkansas, Mississippi and Tennessee.

Shelby County is located over four natural aquifers, one of which is recognized as the "Memphis sand aquifer" or simply as the "Memphis aquifer." This particular water source is stated to contain more than 100 trillion gallons (380 km³) of water.

Memphis has a humid subtropical climate, with four distinct seasons. The summer months are persistently hot and humid due to moisture encroaching from the Gulf of Mexico.

Memphis is located in southwestern Tennessee at 35°7′3″N 89°58′16″W / 35.11750°N 89.97111°W / 35.11750; -89.97111. The city sits on the eastern bank of the Mississippi River at the site of the 4th Chickasaw Bluff, just south of the mouth of the Wolf River. According to the United States Census Bureau, the city has a total area of 294.8 sq mi (763.4 km²), of which 279.3 sq mi (723.4 km²) is land and 15.4 sq mi (40.0 km²), or 5.24%, is water.

The city of Memphis It is the regional hub for a tri-state area of Arkansas, Mississippi and Tennessee. The city center is located on the Mississippi river at the site of the earliest settlements.

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