Baker, Howland, and Jarvis Islands: equatorial; scant rainfall, constant wind, burning sun; Johnston Atoll and Kingman Reef: tropical, but generally dry; consistent northeast trade winds with little seasonal temperature variation; Midway Islands: subtropical with cool, moist winters (December to February) and warm, dry summers (May to October); moderated by prevailing easterly winds; most of the 107 cm of annual rainfall occurs during the winter; Palmyra Atoll: equatorial, hot; located within the low pressure area of the Intertropical Convergence Zone (ITCZ) where the northeast and southeast trade winds meet, it is extremely wet with between 400-500 cm of rainfall each year, warm temperate; freezing temperatures almost unknown, mostly mid-latitude desert, long, hot summers, mild winters; semiarid grassland in east, tropical; moderated by southeast trade winds from May to October; moderate rainfall from November to April; may be affected by cyclones from December to April, tropical in south; monsoonal in north with hot, rainy season (May to September) and warm, dry season (October to March), subtropical, tempered by easterly trade winds, relatively low humidity, little seasonal temperature variation; rainy season September to November, tropical; hot, rainy season (November to April); cool, dry season (May to October); rains 250-300 cm per year (80% humidity); average temperature 26.6 degrees Celsius, temperate; temperature and precipitation vary with altitude, warm to hot summers, cool to mild winters, a wide equatorial band of hot and humid tropical climates, bordered north and south by subtropical temperate zones that separate two large areas of cold and dry polar climatesten driest places on earth (average annual precipitation): McMurdo Dry Valleys, Antarctica 0 mm (0 in)Arica, Chile 0.76 mm (0.03 in)Al Kufrah, Libya 0.86 mm (0.03 in)Aswan, Egypt 0.86 mm (0.03 in)Luxor, Egypt 0.86 mm (0.03 in)Ica, Peru 2.29 mm (0.09 in)Wadi Halfa, Sudan 2.45 mm (0.1 in)Iquique, Chile 5.08 mm (0.2 in)Pelican Point, Namibia 8.13 mm (0.32 in)El Arab (Aoulef), Algeria 12.19 mm (0.48 in)ten wettest places on earth (average annual precipitation): Mawsynram, India 11,871 mm (467.4 in)Cherrapunji, India 11,777 mm (463.7 in)Tutunendo, Colombia 11,770 mm (463.4 in)Cropp River, New Zealand 11,516 mm (453.4 in)San Antonia de Ureca, Equatorial Guinea 10,450 mm (411.4 in)Debundsha, Cameroon 10,299 mm (405.5 in)Big Bog, US (Hawaii) 10,272 mm (404.4 in)Mt Waialeale, US (Hawaii) 9,763 mm (384.4 in)Kukui, US (Hawaii) 9,293 mm (365.9 in)Emeishan, China 8,169 mm (321.6 in)ten coldest places on earth (lowest average monthly temperature): Verkhoyansk, Russia (Siberia) -47C (-53F) JanuaryOymyakon, Russia (Siberia) -46C (-52F) JanuaryEureka, Canada -38.4C (-37.1F) FebruaryIsachsen, Canada -36C (-32.8F) FebruaryAlert, Canada -34C (-28F) FebruaryKap Morris Jesup, Greenland -34C (-29F) MarchCornwallis Island, Canada -33.5C (-28.3F) FebruaryCambridge Bay, Canada -33.5C (28.3F) FebruaryIlirnej, Russia -33C (-28F) JanuaryResolute, Canada -33C (-27.4F) Februaryten hottest places on earth (highest average monthly temperature): Death Valley, US (California) 39C (101F) JulyIranshahr, Iran 38.3C (100.9F) June Ouallene, Algeria 38C (100.4F) JulyKuwait City, Kuwait 37.7C (100F) JulyMedina, Saudi Arabia 36C (97F) JulyBuckeye, US (Arizona) 34C (93F) JulyJazan, Saudi Arabia 33C (91F) JuneAl Kufrah, Libya 31C (87F) JulyAlice Springs, Australia 29C (84F) JanuaryTamanrasset, Algeria 29C (84F) June, mostly desert; hot and humid along west coast; temperate in western mountains affected by seasonal monsoon; extraordinarily hot, dry, harsh desert in east, tropical; modified by altitude; rainy season (October to April), tropical; moderated by altitude; rainy season (November to March), Saint Helena, Ascension, and Tristan da Cunha, United States Pacific Island Wildlife Refuges, Center for the Study of Intelligence (CSI). Indeed, a vacuum has approximately the same equilibrium capacity to hold water vapor as the same volume filled with air; both are given by the equilibrium vapor pressure of water at the given temperature. It does not take temperature into consideration. Which statement best explains the difference between the cities' climates? The amount of sunshine in Florida is very good all year round, and it is no surprise that the state nickname is "Sunshine State" (although, in reality, the deserts of California, Arizona and Nevada get more sunshine). Relative humidity is normally expressed as a percentage; a higher percentage means that the airwater mixture is more humid. Answer. The amount of water vapor needed to achieve saturation increases as the temperature increases. WebRelative Humidity: (Humidity) - The ratio of the actual amount of water vapor in the air to the possible amount at that temperature. The Antoine equation is among the least complex of these, having only three parameters (A, B, and C). Although weather conditions affect people differently, in general in the spring and summer, surface dewpoint temperatures in the 50s usually are comfortable to most people, in the 60s are somewhat uncomfortable (humid), and in the 70s are quite uncomfortable (very humid). ) WebHumidity is a term that indicates the amount of water molecules in the air. NWS [46] However, the recommended range of indoor relative humidity in air conditioned buildings is generally 3060%. central United States and the coastal areas of Korea and Europe. At 100% relative humidity, air is saturated and at its dew point: the water vapor pressure would permit neither evaporation of nearby liquid water nor condensation to grow the nearby water; neither sublimation of nearby ice nor deposition to grow the nearby ice. [55], High humidity in the oven, represented by an elevated wet-bulb temperature, increases the thermal conductivity of the air around the baked item, leading to a quicker baking process or even burning. Recreation Forecasts, Past Weather ", "Everything You Need to Know About Combustion Chemistry & Analysis Industrial Controls", "Indirect health effects of relative humidity in indoor environments", "Deriving the operational procedure for the Universal Thermal Climate Index (UTCI)", "New Equations for Computing Vapor Pressure and Enhancement Factor", 10.1175/1520-0450(1981)020<1527:NEFCVP>2.0.CO;2, "Web application for thermal comfort visualization and calculation according to ASHRAE Standard 55", Convective available potential energy (CAPE), Heating, ventilation, and air conditioning, High efficiency glandless circulating pump, https://en.wikipedia.org/w/index.php?title=Humidity&oldid=1139727835, Short description is different from Wikidata, Articles with unsourced statements from January 2010, Creative Commons Attribution-ShareAlike License 3.0. Under humid conditions, the rate at which perspiration evaporates on the skin is lower than it would be under arid conditions. For example, a maximum of about 30 grams of water vapor can exist in a cubic meter volume of air with a temperature in the middle 80s. "[49], Mucociliary clearance in the respiratory tract is also hindered by low humidity. The human body dissipates heat through perspiration and its evaporation. Spot Request So when water molecules (vapor) are introduced into that volume of dry air, the number of air molecules in the volume must decrease by the same number, if the temperature and pressure remain constant. The temperature ranges from 20 C to 35 C (68 to 95 F). Weather Radio Such short circuits may cause substantial permanent damage if the equipment is powered on before the condensation has evaporated. In the Wilson cloud chamber, which is used in nuclear physics experiments, a state of supersaturation is created within the chamber, and moving subatomic particles act as condensation nuclei so trails of fog show the paths of those particles. Bangkok, Ho Chi Minh City, Kuala Lumpur, Hong Kong, Manila, Jakarta, Naha, Singapore, Kaohsiung and Taipei have very high humidity most or all year round because of their proximity to water bodies and the equator and often overcast weather. WebStudy with Quizlet and memorize flashcards containing terms like Over Earth as a whole, one would expect to observe the smallest variation in temperature from day to day and from month to month ____., Hypothermia is most common in ____ weather., In calm air, the air temperature is -10F. Daily Temp/Precip Maps Therefore, some of the abiotic components possessed by the coastal ecosystem include sand, land, temperature, air, humidity, rocks, and also sunlight. R Too low humidity may make materials brittle. is defined as the ratio of the saturated vapor pressure of water in moist air The weather within an air masswhether cool or warm, humid or dry, clear or cloudydepends on the temperature and humidity structure of the air mass. The final 1% of dry air is a mixture of other gases. be warmer. In many places, the Costa Rica climate is warm and damp for half the year. The basic principles for buildings, above, also apply to vehicles. ASHRAE Standard 160 (2016). Precipitable water values around or above 1 inch are common in the spring and summer east of the Rocky Mountains (including Kentucky). t The sampling of air containing salt fogs is divided into two modes: long-term and short-term. During day, land gets heated up faster than water bodies, so does the air mass above land. This results in rise of the hot air mass; expands and co semiarid; warm winters and hot summers. The Etesians/ Meltemi The strong northerly winds which blow at times over the Aegean Sea and eastern parts of the Mediterranean Sea during the period May to October. Saint Helena: tropical marine; mild, tempered by trade winds; Ascension Island: tropical marine; mild, semi-arid; Tristan da Cunha: temperate marine; mild, tempered by trade winds (tends to be cooler than Saint Helena), tropical, tempered by constant sea breezes; little seasonal temperature variation; rainy season (May to November), tropical, moderated by northeast trade winds; dry season January to April, rainy season May to August, temperature averages 27-29 degrees Celsius all year long; low humidity, gentle trade winds, brief, intense rain showers; hurricane season stretches from July to November, cold and wet, with considerable mist and fog; spring and autumn are often windy, tropical; little seasonal temperature variation; rainy season (May to November), tropical; rainy season (November to April), dry season (May to October), Mediterranean; mild to cool winters; warm, sunny summers, tropical; hot, humid; one rainy season (October to May), harsh, dry desert with great temperature extremes, tropical; hot, humid; rainy season (May to November) has strong southeast winds; dry season (December to April) dominated by hot, dry, harmattan wind, in the north, continental climate (cold winters and hot, humid summers with well-distributed rainfall); in other parts, continental and Mediterranean climate (relatively cold winters with heavy snowfall and hot, dry summers and autumns), tropical marine; humid; cooler season during southeast monsoon (late May to September); warmer season during northwest monsoon (March to May), tropical; hot, humid; summer rainy season (May to December); winter dry season (December to April), tropical; hot, humid, rainy; two distinct monsoon seasons - northeastern monsoon (December to March) and southwestern monsoon (June to September); inter-monsoon - frequent afternoon and early evening thunderstorms, tropical marine climate, ameliorated by northeast trade winds, results in moderate temperatures; average rainfall of 150 cm/year; hurricane season stretches from July to November, Mediterranean climate on the coast, continental climate with mild to hot summers and cold winters in the plateaus and valleys to the east, tropical monsoon; few temperature and weather extremes, principally desert; northeast monsoon (December to February), moderate temperatures in north and hot in south; southwest monsoon (May to October), torrid in the north and hot in the south, irregular rainfall, hot and humid periods (tangambili) between monsoons, mostly semiarid; subtropical along east coast; sunny days, cool nights, variable, with mostly westerly winds throughout the year interspersed with periods of calm; nearly all precipitation falls as snow, hot with seasonal rainfall influenced by the annual shift of the Inter-Tropical Convergence Zone; rainfall heaviest in upland areas of the south and diminishes to the north, sea temperatures vary from about 10 degrees Celsius to -2 degrees Celsius; cyclonic storms travel eastward around the continent and frequently are intense because of the temperature contrast between ice and open ocean; the ocean area from about latitude 40 south to the Antarctic Circle has the strongest average winds found anywhere on Earth; in winter the ocean freezes outward to 65 degrees south latitude in the Pacific sector and 55 degrees south latitude in the Atlantic sector, lowering surface temperatures well below 0 degrees Celsius; at some coastal points intense persistent drainage winds from the interior keep the shoreline ice-free throughout the winter, temperate; clear, hot summers in interior, more moderate and cloudy along coast; cloudy, cold winters in interior, partly cloudy and cool along coast, tropical monsoon; northeast monsoon (December to March); southwest monsoon (June to October), hot and dry; arid desert; rainy season varies by region (April to November), arctic, tempered by warm North Atlantic Current; cool summers, cold winters; North Atlantic Current flows along west and north coasts of Spitsbergen, keeping water open and navigable most of the year, temperate in south with cold, cloudy winters and cool, partly cloudy summers; subarctic in north, temperate, but varies with altitude; cold, cloudy, rainy/snowy winters; cool to warm, cloudy, humid summers with occasional showers, mostly desert; hot, dry, sunny summers (June to August) and mild, rainy winters (December to February) along coast; cold weather with snow or sleet periodically in Damascus, tropical; marine; rainy season during southwest monsoon (June to August); persistent and extensive cloudiness all year, mid-latitude continental, hot summers, mild winters; semiarid to polar in Pamir Mountains, varies from tropical along coast to temperate in highlands, tropical; rainy, warm, cloudy southwest monsoon (mid-May to September); dry, cool northeast monsoon (November to mid-March); southern isthmus always hot and humid, tropical; hot, humid; distinct rainy and dry seasons, tropical; moderated by trade winds (April to November), tropical; modified by trade winds; warm season (December to May), cool season (May to December), tropical; rainy season (June to December), temperate in north with mild, rainy winters and hot, dry summers; desert in south, temperate; hot, dry summers with mild, wet winters; harsher in interior, tropical; marine; moderated by trade winds; sunny and relatively dry, tropical; moderated by easterly trade winds (March to November); westerly gales and heavy rain (November to March), tropical; generally rainy with two dry seasons (December to February, June to August); semiarid in northeast, temperate continental; Mediterranean only on the southern Crimean coast; precipitation disproportionately distributed, highest in west and north, lesser in east and southeast; winters vary from cool along the Black Sea to cold farther inland; warm summers across the greater part of the country, hot in the south, temperate; moderated by prevailing southwest winds over the North Atlantic Current; more than one-half of the days are overcast.
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