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Meteorological Parameters Knowledge

The difference between PWS and WMO

The Wittfield Combo is for PWS, but the WittField Suite is for WMO. A Personal Weather Station or Private Weather Station (PWS) - as opposite to an official weather station run by a governmental institution or agency under the rules of the World Mete

Rain Definition: Daily, 24H, Event, Week, Month, Year, Total

Daily: rain counter reset to 0 at midnight. 24H: accumulated rain for the past 24hours. Event: It reset to 0 when 24H rain is less than 2.0mm. So it continues to accumulate as long as it doesn't stop raining. So during springtime, it keeps raining an

Feels Like Temperature & Wind Chill Definition

Feels like value is defined by wind chill temperature and heat index for cold(below 40F/4.4C and wind speed larger than 5mph/8kmh), and hot conditions(temperature is over 80F/27C and humidity is 40% above), so when outside the above-defined condition

Australian Apparent Temperature Definition

This web page discusses the formula used by the Australian Bureau of Meteorology ;. https://media.bom.gov.au/social/blog/1153/apparent-feels-like-temperature/. This one describes the original formula devised by Steadman but uses a modified version (d