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Microscale Siting Considerations

Microscale Siting Considerations

According to The World Meteorological Organization Commission for Instruments and Methods of Observation, “Wind is the greatest source of disturbance in precipitation measurement.” As early as 1769, William Heberden wrote about the variation of precipitation with...

Mesoscale Siting Considerations

Cities Influence Distribution of Precipitation At the mesoscale, cities can influence the distribution of precipitation. This phenomenon is well documented in the five-year study of precipitation called METROMEX (Metropolitan Meteorological Experiment), which...

Siting Precipitation Gauges to Minimize Measurement Errors

We are often asking a precipitation gauge that is measuring a 0.2 to 0.32 square meter sample to represent the precipitation of a 1000 square meter or larger geographic area. The spatial distribution of precipitation is spatially non-uniform and often random at the...

NCAR Weather Summit Summary

The National Center for Atmospheric Research (NCAR) held a Weather Summit on December the 18th, 2013. This event was attended by members of the Aviation Industry that use weather information to manage risk and many of the government agencies that supply and regulate...
Guide to Precipitation Gauge Selection

Guide to Precipitation Gauge Selection

A World Meteorological Organization (WMO) publication, (Sevruk et al 1989) indicates that there are over 50 different types of national standard precipitation gauges used by 136 countries throughout the world. “Precipitation is the only meteorological variable that...

Guide to Siting Precipitation Gauges

We are often asking a precipitation gauge that is measuring a 0.2 to 0.32 square meter sample to represent the precipitation of a 1000 square meter or larger geographic area. The spatial distribution of precipitation is spatially non-uniform and often random at the...