If the air mass is colder than the ground below it, it is labeled k. If the air mass is warmer than the ground below it, it is labeled w. While air mass identification was originally used in weather forecasting during the 1950s, climatologists began to establish synoptic climatologies based on this idea in 1973.

While many expected Aaron to break Ruth's home run record in 1973, a key moment of the season came on August 6.

While the 1972 team faced no competition that possessed a better record than 8-6 in the regular season, the 1973 team played a much tougher schedule that included games against the Oakland Raiders, Pittsburgh Steelers, and Dallas Cowboys ( all playoff teams ), plus two games against a resurgent Buffalo Bills squad that featured 2, 000-yard rusher O. J.

While the standard Tube map mostly avoided representing mainline rail services, a new variant of the map issued in 1973, the ' London's Railways ' map, was the first to depict Tube and surface rail services in a diagrammatic style closely matched to Beck's designs.

at N. Y. U. and also for the Baltimore underground newspaper Harry and the New York Ace, before joining National Lampoon in 1973, where he served as managing editor among other roles and authored articles such as " Foreigners Around the World " and " How to Drive Fast on Drugs While Getting Your Wing-Wang Squeezed and Not Spill Your Drink.

While in the Senate, Dole served as chairman of the Republican National Committee from 1971 until 1973, the ranking Republican on the Agriculture Committee from 1975 to 1978, and the ranking Republican on the Finance Committee from 1979 to 1980.

While the ON had competed in some local elections since 1970, at its second congress in June 1972 it decided to establish a new political party to contest the 1973 legislative elections.

While Xuan Thuy led the official negotiating team representing the Democratic Republic of Vietnam at the talks in Paris, Thọ and U. S. National Security Advisor Henry Kissinger since February 1970 engaged in secret talks that eventually led to a cease-fire in the Paris Peace Accords of January 23, 1973.

While some claim " The Tune " was inspired by Bill Gaither and Gloria Gaither's 1969 song " God Gave the Song ", Norman claims in a 1981 article in Contemporary Christian Music magazine: " Bill Gaither's music first came to my attention in 1973 when a friend played me ' God Gave the Song '.

While Lewistown did receive the prestigious All-American City award in 1973 for its rebuilding process following the disaster, many of the blue collar workforce left the area to head south, along with the companies which chose not to rebuild in Lewistown.

While living in Crockett, Texas, their second child Rain Joan of Arc Bottom was born on November 22, 1973.

While working for the Warren anthologies, he received numerous Warren Awards: 1973 Best Artist / Writer and Special Award for Excellence, 1976 Best Art: Within You, Without You, Eerie # 77 and Best Cover: Eerie # 77 and 1978 Best Cover Artist.

A recording of the Pigeons was released in Germany in 1973 under the title of ' While the World was Eating Vanilla Fudge '.

While APCO International's current position states that plain speech communications over public safety radio systems is preferred over the traditional 10-Codes and dispatch signals, an APCO Bulletin of January 1940 lists 17 codes assigned as part of APCO Project 4 ; in 1973, APCO Project 14 provided a core list of codes from 10-1 to 10-39 with " optional " codes above 10-39.

While the missiles were ineffective during the Battle of Latakia in 1973, four Styx missiles sank the Israeli destroyer Eilat in October 1967, marking the first time that ship-to-ship missiles were successfully used in combat.

While still undergoing various transformations and expansions, the musical was produced in the West End in 1973, and in its full format was recorded in 1974 and opened on Broadway in 1982.

While ANFO accounted for a majority of bombs with of ammonium nitrate being used in 1973 alone, Frangex was preferred to ignite the primary explosive.

While the left-wing opposition organised itself in proposing a Common Programme before the 1973 legislative election, Pompidou widened out his " presidential majority " by including the Centrist pro-European parties.

While performing with his sister Nelly in New York's Teatro Puerto Rico in 1973, Tony was introduced to New York bred but Puerto Rico born vocalist Roberto Tirado who suggested that he compose a hit song for his idol Lucecita Benítez who was going through hard times in her career.

While Wise stayed in the majors for another 11 years, only two of them ( 1972 and 1973 ) were in St. Louis.

While teaching at Yale, Yeston continued to attend the BMI workshop principally to work on his project, begun in 1973, to write a musical inspired by Federico Fellini's 1963 film 8½.

While head of the Bern Symphony, he also conducted the National Symphony Orchestra of Mexico from 1973 to 1975, and Sweden's Gothenburg Symphony from 1975 to 1978.

Regular speed TTL parts were also available for a time in the 6400 series-these had an extended industrial temperature range of − 40 C to + 85 C. While companies such as Mullard listed 6400-series compatible parts in 1970 data sheets, by 1973 there was no mention of the 6400 family in the Texas Instruments TTL Data Book.

While it was initially operationally responsible for its entire network as well as the Scottish Air Ambulance Service, operational responsibility for the Aberdeen – Heathrow route passed to BEA's Super One-Eleven division on 1 April 1973 when the latter's One-Eleven 500s began replacing Scottish Airways Viscounts and mainline division Tridents.

* 14 July 1973: While performing a practice airshow at Moose Jaw, Captain Carl Stef ejected from his aircraft after a bird strike caused an engine compressor stall.

In comedy, several players are emerging in the image of the very popular Rouiched which is illustrated in several films such as Hassan Terro or Hassan Taxi, or actor Hadj Abderrahmane better known under the pseudonym of the Inspector Tahar in 1973 comedy The Holiday of The Inspector Tahar directed by Musa Haddad.

Failure to address the economic and social disparities and increasing political awareness of the less-affluent population, as well as indirect intervention and economic funding to the main political groups by both the KGB and the CIA, as part of the Cold War, led to a political polarization under Socialist President Salvador Allende which in turn resulted in the 11 September 1973 coup and the military dictatorship of General Augusto Pinochet, whose 17-year regime was responsible for numerous human rights violations and deep market-oriented economic reforms.

By early 1973, inflation had risen 800 % under Allende's presidency.

Among the many political documentaries produced in the early 1970s was " Chile: A Special Report ," public television's first in-depth expository look of the September 1973 overthrow of the Salvador Allende government in Chile by military leaders under Augusto Pinochet, produced by documentarians Ari Martinez and José Garcia.

Essendon did make the finals in 1972 and 1973 under the autocratic direction of Des Tuddenham ( Collingwood ) but they were beaten badly in successive elimination finals by St. Kilda and would not taste finals action again until the very end of the decade.

The first full-length feature produced under the BFI's new scheme was Kevin Brownlow and Andrew Mollo's Winstanley ( 1975 ), while others included Moon Over the Alley ( 1975 ), Requiem for a Village ( 1975 ), the openly avant-garde Central Bazaar ( 1973 ), Pressure ( 1975 ) and A Private Enterprise ( 1974 ) -- the last two being, respectively, the first British Black and Asian features.

Gibraltar is represented in the European Union, having been the only British Overseas Territory to have joined the European Economic Community under the British Treaty of Accession ( 1973 ).

Gibraltar is a constituent part of the European Union as a Special Member State territory, having joined the European Economic Community with the United Kingdom in 1973, under the provisions of the Treaty of Rome relating to European dependent territories.

By 1973 the PAIGC controlled most of the interior of the country, while the coastal and estuary towns, including the main populational and economic centres remained under Portuguese control.

In 1973 CSP and MacBraynes commenced joint Clyde and West Highland operations under the new name of Caledonian MacBrayne.

In July 1973, Zahir Shah was ousted in a nonviolent coup and Kabul became the capital of a republic under Mohammed Daoud Khan, the new President.

In 1973, under manager Jack McKeon, the Royals adopted their iconic " powder blue " road uniforms and moved from Municipal Stadium to the brand-new Royals Stadium ( now known as Kauffman Stadium ).

In 1971 Kahane founded a new party, Kach, which ran in the 1973 elections under the name " The League List ".

The management contracts under which day-to-day operations of the mines had been carried out by Anglo American and RST were terminated in 1973.

In 1973 Nasir was elected to a second term under the constitution as amended in 1972, which extended the presidential term to five years and which also provided for the election of the prime minister by the Majlis.

Fraser's economic record was marred by rising unemployment, which reached record levels under his administration, caused in part by the ongoing effects of the 1973 oil crisis.

In 1973, the party ran for the Knesset ( Israeli parliament ) during the general elections under the name " The League List ".

In 1971, she signed with RCA, resulting in three albums: Nancy & Lee – Again ( 1971 ), Woman ( 1972 ), and a compilation of some of her Reprise recordings under the title This Is Nancy Sinatra ( 1973 ).

As the team moved to Shea under new ownership, they were, in most years, required to open the season with several road games, a problem made worse in 1969 and 1973 when the Mets had long playoff runs.

* Love under the rain ( 1973 ) الحب تحت المطر

There was a special case established under the State Management Scheme where the brewery and licensed premises were bought and run by the state until 1973, most notably in Carlisle.

King wrote a 1973 short story, " The Fifth Quarter ", under the pseudonym John Swithen.

Telkom was incorporated on 30 September 1991 as a public limited liability company registered under the South African Companies Act, 61 of 1973, as amended.

* 10, 000 Ways to Die Book about Spaghetti Westerns made between 1963 and 1973, released under a Creative Commons license by its author Alex Cox.

In 1973, progressive rock band Korni Grupa, under the name The Cornelians, released the symphonic rock album Not an Ordinary Life.