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|French to English translations [Non-PRO]|
|French term or phrase: humidite * precipitations|
humidity ; precipitation
- Humidité = humidity
- Précipitations = precipitation (singular), which is not the same as rain/rainfall. Rain is a type of precipitation, see below.
1 - http://www.weather.com/glossary/h.html (Weather.Com – US)
The amount of water vapor in the air. It is often confused with relative humidity or dew point.
Related terms: absolute humidity, relative humidity, and specific humidity
2 - http://www.meto.govt.uk/sec5/NWP/DA_MesVAR/WG4.html (The Met Office - UK)
Assimilating cloud and precipitation observations
Various kinds of observations could give some information about cloud and precipitation. A list (possibly non exhaustive) follows. Sources of information on humidity are also included as that is vital for cloud and precipitation formation and dispersal.
§ precipitation from present weather and accumulation
§ humidity/dew point at screen level
§ cloud observations (amount, type, level)
§ Radar (reflectivity or derived precipitation rate)
§ lightning detection systems (storms location)
§ cloud base recorder (cloud base or lidar back scatter giving more information on vertical structure)
3 - http://www.wmo.ch/web/gcos/terre/variable/relhum.html (World Meteorological Organisation - Switzerland)
RELATIVE HUMIDITY (ATMOSPHERIC WATER CONTENT NEAR THE SURFACE)
Units of measure:
g H2O/m3 .
Relative humidity, or atmospheric moisture, controls potential evapotranspiration rate (see Evapotranspiration) from soils and vegetation surfaces. An increase in the intensity of the hydrological cycle predicted from GCM simulations of future climate would both increase relative humidity, and be modified by concommitant changes in atmospheric moisture. Because of its role in the linkage between vegetation and atmosphere (the end result of soil moisture being transported within and evapotranspired from vegetation surfaces), relative humidity is both a climate change forcing function, and a response variable. This provides it with a central importance in climate change.
1 - http://www.meto.govt.uk/research/hadleycentre/obsdata/HadEWP...
The monthly timeseries of England and Wales total precipitation begins in 1766. The series is currently based on weighted averages of daily observations from a network of stations in five regions. It is the longest instrumental series of this kind in the world.
Filtered and normalised precipitation anomalies from 1931-1960 regional averages for North West Scotland and South East England. A dramatic increase is seen in the winter half-year total in North West Scotland, with a similar decrease in summer (July and August) in South East England since the 1970's.
Daily England and Wales precipitation totals are based on daily weighted totals from a network of stations within each of five England and Wales regions. Provisonal daily totals are available with a two-day time lag. A full quality control is performed on the 5th of each subsequent month, allowing monthly totals to be updated
2 - http://www.weather.com/glossary/p.html
Any and all forms of water, liquid or solid, that falls from clouds and reaches the ground. This includes drizzle, freezing drizzle, freezing rain, hail, ice crystals, ice pellets, rain, snow, snow pellets, and snow grains. The amount of fall is usually expressed in inches of liquid water depth of the substance that has fallen at a given point over a specified time period.
3 - http://www.weather.com/glossary/r.html
Precipitation in the form of liquid water droplets greater than 0.5 mm. If widely scattered, the drop size may be smaller. It is reported as "R" in an observation and on the METAR. The intensity of rain is based on rate of fall. "Very light" (R--) means that the scattered drops do not completely wet a surface. "Light" (R-) means it is greater than a trace and up to 0.10 inch an hour. "Moderate" (R) means the rate of fall is between 0.11 to 0.30 inch per hour. "Heavy" (R+) means over 0.30 inch per hour.
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