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 the identification of memes as " units " conveys their nature to replicate as discrete, indivisible entities, it does not imply that thoughts somehow become quantized or that " atomic " ideas exist that cannot be dissected into smaller pieces.

While modern identification of mushrooms is quickly becoming molecular, the standard methods for identification are still used by most and have developed into a fine art harking back to medieval times and the Victorian era, combined with microscopic examination.

While the identification of Wilusa with Ilium ( that is, Troy ) is always controversial, in the 1990s it gained majority acceptance.

While the catalase test alone cannot identify a particular organism, combined with other tests, such as antibiotic resistance, it can aid identification.

While in the mid-19th century it was customary to identify him as a freedman of Titus Flavius Clemens, who was consul with his cousin, the Emperor Domitian, this identification, which no ancient sources suggest, then lost support.

" ( While it is not relevant to the identification of the body of water, suph also puns on the Hebrew suphah (" storm ") and soph (" end "), referring to the events of the Exodus ).

While fingerprint identification was an improvement on earlier anthropometric systems, the subjective nature of matching, despite a very low error rate, has made this forensic practice controversial.

While Hilbert's tenth problem is not a formal mathematical statement as such the nearly universal acceptance of the ( philosophical ) identification of a decision algorithm with a total computable predicate allows us to use the MRDP theorem to conclude the tenth problem is unsolvable.

While a sense of ethnic identity may coexist with racial identity ( Chinese Americans among Asian or Irish American among European or White, for example ), the long history of the United States as a settler, conqueror and slave society, and the formal and informal inscription of racialized groupings into law and social stratification schemes has bestowed upon race a fundamental social identification role in the United States.

However, these genes confer only partial resistance to FHB, and many of the initial sources of resistance were not well adapted to most of the grain production regions of the U. S. While some success has been made in transferring FHB resistance from such exotic sources into adapted cultivars, identification and deployment of FHB resistance already present in local native germplasm and cultivars is providing another means to achieve this goal.

While Janus is a bearded adult Culśans may be an unbearded youth, making his identification with Hermes look possible.

While Arvanitika was commonly called Albanian in Greece until the 20th century, the wish of Arvanites to express their ethnic identification as Greeks has led to a stance of rejecting the identification of the language with Albanian as well.

While working in the FBI New York office, Pitts had access to " a wide range of sensitive and highly classified operations " that included " recruitment operations involving Russian intelligence officers, double agent operations, operations targeting Russian intelligence officers, true identities of human assets, operations against Russian illegals, defector sources, surveillance schedules of known meet sites, internal policies, documents, and procedures concerning surveillance of Russian intelligence officers, and the identification, targeting, and reporting on known and suspected KGB intelligence officers in the New York area.

While some of these species contain little to no gyromitrin, many guidebooks recommend treating them all as poisonous, since their similar appearance and significant intraspecific variation can make reliable identification difficult.

While some family and community health organisations may require details of whakapapa as part of client assessment, it is generally better if whakapapa is disclosed voluntarily by whanau, if they are comfortable with this .. Usually details of a client ’ s whakapapa are not required since sufficient information can be obtained through their iwi identification.

While in Leipzig, Werner became interested in the systematic identification and classification of minerals.

While the above stresses two important elements of internal displacement ( coercion and the domestic / internal movement ) it is important to note that rather than a strict definition, the Guiding Principles offer “ a descriptive identification of the category of persons whose needs are the concern of the Guiding Principles ”.

While more and longer fragments allow better identification of sequence overlaps, they also pose problems as the underlying algorithms show quadratic or even exponential complexity behaviour to both number of fragments and their length.

While his partner Pickard had an extensive criminal history dating back to 1964, for numerous charges ranging from forgery and false identification charges to arrests for manufacturing controlled substances and carrying a concealed weapon, Apperson had no criminal record prior to his conviction.

While the majority of scholars support the identification and dating of the objects, and their association with the Mildenhall site, some scholars, at times, have argued that the Mildenhall Treasure may be misdated, or may not truly belong to the Mildenhall site.

While not a substitute for proper station identification, this makes it easy to identify the station at a glance.

While Plato finally allows a few acceptable hymns to the gods and famous men, still he clearly leaves the way open for further discussion of the issue.

While there should be no general age limit or restriction to one sex, there will be particular projects requiring special maturity and some open only to men or to women.

and on Christmas Day, 1890, Hardy wrote: `` While thinking of resuming ' the viewless Wings Of Poesy before dawn this morning, new horizons seemed to open, and worrying pettinesses to disappear '' ( Early Life, p. 302 ).

While a wind wave never travels at more than 60 miles per hour, the velocity of a tsunami in the open sea must be reckoned in hundreds of miles per hour.

While the greatest players of the time, among them Alekhine, Emanuel Lasker and Capablanca, clearly did not allow their play to be hobbled by blind adherence to general concepts that the center had to be controlled by pawns, that development had to happen in support of this control, that rooks always belong on open files, that wing openings were unsound — core ideas of Tarrasch's chess philosophy as popularly understood — beginners were taught to think of these generalizations as unalterable principles.

In this case, is the smallest σ-algebra that contains the open intervals of R. While there are many Borel measures μ, the choice of Borel measure which assigns for every interval is sometimes called " the " Borel measure on R. In practice, even " the " Borel measure is not the most useful measure defined on the σ-algebra of Borel sets ; indeed, the Lebesgue measure is an extension of " the " Borel measure which possesses the crucial property that it is a complete measure ( unlike the Borel measure ).

While western Cairo is dominated by wide boulevards, open spaces, and modern architecture of European influence, the eastern half, having grown haphazardly over the centuries, is dominated by small lanes, crowded tenements, and Islamic architecture.

While God does not change, our perception of God does, and so, Jews are open to new experiences of God's presence.

While there have been open elections of union leaders, the Government of Djibouti is working with the ILO to hold new elections.

Prof. Spiegelberg writes, " While outward religious practice never entered his life any more than it did that of most academic scholars of the time, his mind remained open for the religious phenomenon as for any other genuine experience.

While serving as First Sea Lord, his primary concerns dealt with devising plans on how the Royal Navy would keep shipping lanes open if Britain fell victim to a nuclear attack.

The EPR paper ends by saying: While we have thus shown that the wave function does not provide a complete description of the physical reality, we left open the question of whether or not such a description exists.

While some people prefer to link the two ideas of “ open source software ” and “ free software ” together, it is important to understand the difference because they offer two separate ideas and values.

While noir is often associated with an urban setting, many classic noirs take place in small towns, suburbia, rural areas, or on the open road ; so setting cannot be its genre determinant, as with the Western.

* 1493 – While on board the Niña, Christopher Columbus writes an open letter ( widely distributed upon his return to Portugal ) describing his discoveries and the unexpected items he came across in the New World.

While " glasnost " is associated with freedom of speech, the main goal of this policy was to make the country's management transparent and open to debate, thus circumventing the narrow circle of apparatchiks who previously exercised complete control of the economy.

While giraffes are usually found in groups, the composition of these groups tends to be open and ever-changing.

While the government still regulates many of the country's cultural interactions with others, it is very open to the concept of an open market and competition with other countries, allowing the flow of technological innovations to flow in and out of its borders freely.

While Bobby sits in his cell at the sheriff station, the outer wall is blown open, and a man named Scott Summers ( Cyclops ) walks in and offers to take Bobby with him.

While dense rainforest is its preferred habitat, the jaguar will range across a variety of forested and open terrains.

While the Conditions of Carriage require period Travelcard holders to touch in and touch out at the start and end of their journey ( which is usually necessary to open automatic ticket gates ), Oyster card users with a valid period Travelcard covering their entire journey are not liable to pay a penalty fare when they have not touched in.

While laparoscopic surgery is clearly advantageous in terms of patient outcomes, the procedure is more difficult from the surgeon's perspective when compared to traditional, open surgery:

While open clusters and globular clusters form two fairly distinct groups, there may not be a great deal of difference in appearance between a very sparse globular cluster and a very rich open cluster.