Houston's climate is classified as humid subtropical (Cfa in the Köppen climate classification system), typical of the Southern United States. The city experiences two seasons; a wet season from April to October and a dry season from November to March. While not located in Tornado Alley, like much of Northern Texas, spring supercell thunderstorms sometimes bring tornadoes to the area.[71]
Compared with its metropolitan area, the city of Houston's population has a higher proportion of minorities. In 2010, whites made up 51% of the city of Houston's population; 26% of the total population was non-Hispanic whites.[120] Blacks or African Americans made up 25% of Houston's population, American Indians made up 0.7% of the population, Asians made up 6%[120] (1.7% Vietnamese, 1.3% Chinese, 1.3% Indian, 0.9% Pakistani, 0.4% Filipino, 0.3% Korean, 0.1% Japanese) and Pacific Islanders made up 0.1%. Individuals from some other race made up 15.2% of the city's population, of which 0.2% were non-Hispanic.[citation needed] Individuals from two or more races made up 3.3% of the city.[120]
For over 50 years, the church has been active in humanitarian aid through the work of the Adventist Development and Relief Agency (ADRA). ADRA works as a non-sectarian relief agency in 125 countries and areas of the world. ADRA has been granted General Consultative Status by the United Nations Economic and Social Council. Worldwide, ADRA employs over 4,000 people to help provide relief in crises as well as development in situations of poverty.
Per the American Community Survey's 2013-2017 estimates, Houston's age distribution was 569,656 under 18; 1,697,680 aged 18 to 20; 1,611,185 aged 21 to 61; 288,654 aged 62 to 64; and 228,460 aged 65 and older. The median age was 32.9, down from 33.5 in 2014; the city's youthfulness has been attributed to an influx of an African American New Great Migration, Hispanic or Latin American, and Asian immigrants into Texas.[115][116][117] For every 100 females, there were 100.3 males.[118]
The Rice University Kinder Institute for Urban Research, a think tank, has described Greater Houston as "one of the most ethnically and culturally diverse metropolitan areas in the country".[124] Houston's diversity, fueled by large waves of immigrants, has been attributed to its relatively low cost of living, strong job market, proximity to Latin America, and role as a hub for refugee resettlement.[125][126] Houston is now known as a center of African-American political power, education, economic prosperity, and culture, often called the next black mecca.[127][128] A 2012 Kinder Institute report found that, based on the evenness of population distribution between the four major racial groups in the United States (non-Hispanic white, non-Hispanic black, Hispanic or Latino, and Asian), Greater Houston was the most ethnically diverse metropolitan area in the United States, ahead of New York City.[129] In 2017, according to the U.S. Census Bureau, non-Hispanic whites made up 24.9% of the population of Houston proper, Hispanics or Latinos 44.5%, Blacks or African Americans 22.9%, and Asians 6.7%.[118]
William P. Hobby Airport (HOU), known as Houston International Airport until 1967, operates primarily short- to medium-haul domestic and international flights to 60 destinations.[286] The four-runway, 1,304-acre (528-hectare) facility is located approximately 7 miles (11 km) southeast of Downtown Houston. In 2015, Southwest Airlines launched service from a new international terminal at Hobby to several destinations in Mexico, Central America, and the Caribbean. These were the first international flights flown from Hobby since the opening of Bush Intercontinental in 1969.[292] Houston's aviation history is showcased in the 1940 Air Terminal Museum, located in the old terminal building on the west side of the airport. In 2009, Hobby Airport was recognized with two awards for being one of the top five performing airports globally and for customer service by Airports Council International.[293]
A concrete illustration of this gospel meaning of the Sabbath is found in the deliverance of Israel from Egypt. The same creative power which wrought in the beginning was exercised in the signs and miracles which preceded their deliverance, and in those miracles, such as the opening of the Red Sea, the giving of the manna, and the water from the rock, which attended the journeyings of the Israelites. In consequence of these manifestations of creative power in their behalf, the children of Israel were instructed to remember in their observance of the Sabbath that they were bondsmen in the land of Egypt. Israel's deliverance from Egypt is the type of every man's deliverance from sin; and the instruction to Israel concerning the Sabbath shows its true significance in the gospel of salvation from sin, and the new creation in the image of God.
In his letters Paul shows concern for certain restrictions placed on his converts ( Rom 14:5 ; Gal 4:10 ; Col 2:16 ), among them Sabbath keeping no doubt. In his characteristic refusal to allow such things to become a basis for judging fellow believers, Paul seems, especially if Romans 14:5 refers to Sabbath keeping, a claim not unanimously accepted, to support one's freedom either to observe or not observe the Jewish sabbath, though he evidently continued to observe it for himself ( Acts 17:2 ).

The sacredness of the Sabbath has served to unite Jews during the long course of their history and has been for them a joyous reminder of their perpetual Covenant with God. The prophets, nevertheless, often found it necessary to remind the Jews of God’s commandment to keep holy the Sabbath. Since abstention from work was fundamental to Sabbath observance, God miraculously provided a double portion of manna (“bread from heaven”) on Friday so that the Israelites would not be compelled to gather food on the Sabbath during their 40 years of wandering in the wilderness.
The Houston–The Woodlands–Sugar Land MSA's gross domestic product (GDP) in 2016 was $478 billion, making it the sixth-largest of any metropolitan area in the United States and larger than Iran's, Colombia's, or the United Arab Emirates' GDP.[150] Only 27 countries other than the United States have a gross domestic product exceeding Houston's regional gross area product (GAP).[151] In 2010, mining (which consists almost entirely of exploration and production of oil and gas in Houston) accounted for 26.3% of Houston's GAP up sharply in response to high energy prices and a decreased worldwide surplus of oil production capacity, followed by engineering services, health services, and manufacturing.[152]
A number of Sabbaths during the Jewish religious year have distinctive designations. Four occur between the end of Shevat (fifth month of the Jewish civil year) and the first day of Nisan (seventh month). The specific name of each of these Sabbaths is related to an additional reading from the Torah (first five books of the Old Testament) that replaces on that day the Mafṭir (last portion of the assigned Torah reading). For each of these four Sabbaths there is also a distinctive Hafṭara.
Houston is a flat marshy area where an extensive drainage system has been built. The adjoining prairie land drains into the city which is prone to flooding.[64] Underpinning Houston's land surface are unconsolidated clays, clay shales, and poorly cemented sands up to several miles deep. The region's geology developed from river deposits formed from the erosion of the Rocky Mountains. These sediments consist of a series of sands and clays deposited on decaying organic marine matter, that over time, transformed into oil and natural gas. Beneath the layers of sediment is a water-deposited layer of halite, a rock salt. The porous layers were compressed over time and forced upward. As it pushed upward, the salt dragged surrounding sediments into salt dome formations, often trapping oil and gas that seeped from the surrounding porous sands. The thick, rich, sometimes black, surface soil is suitable for rice farming in suburban outskirts where the city continues to grow.[65][66]
The consistency of the prophets' call to honor the Sabbath testifies in part to the growing need, especially during the exilic period, to preserve Jewish identity in a pagan environment. In this sense prophetic aims are continuous with those of the Mosaic period. But scholarly consensus finds in the prophetic writings a subtle transformation wherein the Sabbath, formerly a social institution of festivity, rest, and worship, became above all a religious mark of personal and national holiness vis-a-vis the Gentiles.

Adventist World Radio was founded in 1971[96] and is the "radio mission arm" of the Seventh-day Adventist Church. It utilizes AM, FM, shortwave, satellite, podcasting, and the Internet, broadcasting in 77 major language groups of the world with a potential coverage of 80% of the world's population. AWR's headquarters is in Silver Spring, Maryland, with studios throughout the world. A large portion of the ministry's income is derived from membership gifts.[97]
Puritan Sabbatarianism or Reformed Sabbatarianism is strict observance of Sabbath in Christianity that is typically characterized by its avoidance of recreational activities. "Puritan Sabbath", expressed in the Westminster Confession of Faith, is often contrasted with "Continental Sabbath": the latter follows the Continental Reformed confessions such as the Heidelberg Catechism, which emphasize rest and worship on Lord's Day, but do not forbid recreational activities.
The church embraces an official commitment to the protection and care of the environment[91] as well as taking action to avoid the dangers of climate change:[92] "Seventh-day Adventism advocates a simple, wholesome lifestyle, where people do not step on the treadmill of unbridled over-consumption, accumulation of goods, and production of waste. A reformation of lifestyle is called for, based on respect for nature, restraint in the use of the world's resources, reevaluation of one's needs, and reaffirmation of the dignity of created life."[93]

The ordained clergy of the Adventist church are known as ministers or pastors. Ministers are neither elected nor employed by the local churches, but instead are appointed by the local Conferences, which assign them responsibility over a single church or group of churches. Ordination is a formal recognition bestowed upon pastors and elders after usually a number of years of service. In most parts of the world, women may not be given the title "ordained", although some are employed in ministry, and may be "commissioned" or "ordained-commissioned".[76] However, beginning in 2012, some unions adopted policies of allowing member conferences to ordain without regard to gender.
Houston has four major bayous passing through the city that accept water from the extensive drainage system. Buffalo Bayou runs through Downtown and the Houston Ship Channel, and has three tributaries: White Oak Bayou, which runs through the Houston Heights community northwest of Downtown and then towards Downtown; Brays Bayou, which runs along the Texas Medical Center;[63] and Sims Bayou, which runs through the south of Houston and Downtown Houston. The ship channel continues past Galveston and then into the Gulf of Mexico.[28]
The world church is governed by a General Conference, with smaller regions administered by divisions, union conferences, and local conferences. It currently has a worldwide baptized membership of over 20 million people, and 25 million adherents.[9][10] As of May 2007, it was the twelfth-largest religious body in the world,[11] and the sixth-largest highly international religious body.[12] It is ethnically and culturally diverse, and maintains a missionary presence in over 215 countries and territories.[2][13] The church operates over 7,500 schools including over 100 post-secondary institutions, numerous hospitals, and publishing houses worldwide, as well as a humanitarian aid organization known as the Adventist Development and Relief Agency (ADRA).
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