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American Meteorological Society
行业: Weather
Number of terms: 60695
Number of blossaries: 0
Company Profile:
The American Meteorological Society promotes the development and dissemination of information and education on the atmospheric and related oceanic and hydrologic sciences and the advancement of their professional applications. Founded in 1919, AMS has a membership of more than 14,000 professionals, ...
총 물 란; 전체 혼합 하지 않는 호수 아래쪽 물 란의 사계절 격리 됩니다.
Industry:Weather
mesoanalysis을 설명 하기 위해 의미 합니다. 바람, 온도, 습기 및 압력 분야에 중요 한 mesoscale 기능 등고선 및/또는 컬러 (흑백) 음영에 의하여는 mesochart에 설명 된다.
Industry:Weather
Mesoclimates;의 연구 기후 상으로 되지 않을 수 있습니다 일반 지역의 대표 상대적으로 작은 분야의 기후학. Mesoclimatology에서 사용 하는 데이터는 주로 표준 관측. 관련 영역의 크기는 오히려 명확한 지형 포함 또는 있습니다 몇 에이커의 기능 몇 평방 마일, 작은 계곡, 산림 개간, 해변, 등 마 사이트 프리.
Industry:Weather
A cyclonically rotating vortex, around 2–10 km in diameter, in a convective storm. The vorticity associated with a mesocyclone is often on the order of 10<sup>−2</sup> s<sup>−1</sup> or greater. (It should be noted that a mesocyclone is not just any cyclone on the mesoscale; it refers specifically to cyclones within convective storms. ) Mesocyclones are frequently found in conjunction with updrafts in supercells. Tornadoes sometimes form in mesocyclones. Persistent mesocyclones that have significant vertical extent are detected by Doppler radar as mesocyclone signatures. Tornado warnings may be issued when a mesocyclone signature is detected.
Industry:Weather
The Doppler velocity pattern of a mesocyclone within a severe thunderstorm. In a storm-relative reference frame, the idealized signature is symmetric about the radar viewing direction with marked azimuthal shear across the core region between peak Doppler velocity values of opposite sign. Typical signatures consist of Doppler velocity differences of 25– 75 m s<sup>−1</sup> across core diameters of 2–8 km, with resulting azimuthal shear values of 5 × 10<sup>−3</sup> s<sup>−1</sup> to 2 × 10<sup>−2</sup> s<sup>−1</sup>.
Industry:Weather
A mesoscale wind maximum. It typically may have an along-flow length scale of tens to hundreds of kilometers and a cross- flow length scale of < 100 km. Mesojets differ from planetary-scale jets, which can have length scales of several thousand kilometers, and synoptic-scale jets, which may have length scales of 1000– 2000 km and are commonly found in association with progressive synoptic-scale troughs and ridges. Larger mesojets may also sometimes be known as jet streaks. Mesojets can form adjacent to prominent orographic features in association with terrain-channeled flow. Mesojets are also seen in association with organized mesocale convective systems as typified by the evaporatively driven rear-inflow jet commonly found behind active squall lines lines. Mesojets may also be found in conjunction with prominent lower-tropospheric stable layers where the airflow can become decoupled from the planetary boundary layer, especially at night. An exceptionally well organized lower-tropospheric mesojet extending over hundreds of kilometers might be known as a low-level jet.
Industry:Weather
mesoscale 낮은 압력 영역입니다. 그것은 대류 폭풍우 내 관찰 기능 및 더 큰 규모에서에 모두를 참조 하도록 사용 되었습니다.
Industry:Weather
중간권은 thermosphere 기지의 상단. mesopause 85–95 킬로미터의 고도에 일반적으로 위치와 분위기에 추운 온도의 사이트입니다. 100 K (− 173 ° C) 낮은 온도 mesopause에서 로켓에 의해 측정 되었습니다. 대기 셸을 참조 하십시오.
Industry:Weather
온도 중간권에서 약 50 킬로미터에서 최대.
Industry:Weather
중간 물;의 조건 하에서 성장 하는 식물 온도 제한 요인이 아니다.
Industry:Weather
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