Difference between WMO Climate Normal and Climatology

3.5.3.1. Baseline Period - Intergovernmental Panel on Climate Change

A popular climatological baseline period is a 30-year "normal" period, as defined by the WMO. The current WMO normal period is 1961-1990, which provides a ...

Guidance on Climate Observation Networks and Systems

An Ordinary. 13. Page 14. Climatological Station is one that operates such an observing programme (as a minimum, see WMO (1996)). It has to be emphasised that ...

Optimal Climate Normals for North Atlantic Hurricane Activity

Figure 3 examines how different climatology lengths would have performed ... The definition of the standard WMO climate normal: The key to deriving alternative ...

Wetter und Klima - Notes on the climate normal maps (historical)

The World Meteorological Organization (WMO) consequently defines corresponding international climatological reference periods over 30‑year time frames. 1961–90 ...

Glossary - Climate - Environment and Climate Change Canada

Climatology, or the study of climate, includes climatic data ... World Meteorological Organization (WMO) Standards for "Climate Normals".

Climate Services for Supporting Climate Change Adaptation

· The Role of Climatological Normals in a Changing Climate (WMO-TD No. 1377) ... The examples of different climate products and data displays are available in the ...

WMO Lead Centre for Annual-to-Decadal Climate Prediction

Forecast anomalies are relative to the 1991-2020 climatology. Forecasts prior to 2021 have a different climatology indicated below the colour bar.

[PDF] The Definition of the Standard WMO Climate Normal

Difference between WMO Climate Normal and Climatology: Insights from a Satellite-Based Global Cloud and Radiation Climate Data Record.

Climatological standard normals of IRAN, for the period 1981–2010 ...

The main functions of climate normals are twofold. They offer a reference point for evaluating recent or ongoing observations and form the basis for various ...

The Definition of the Standard WMO Climate Normal - ProQuest

Member nations of the IMO/WMO were first mandated to compute climate normals for their respective countries for the 1901-30 period, and are required to update ...

Climate Map Data - Office of the New Jersey State Climatologist

These stations are well-distributed spatially and each has more than 30 years of data (30 years being the World Meteorological Organization (WMO) standard for ...

J4.3 UNITED STATES CLIMATE NORMALS FOR THE 1971-2000 ...

The average value of a meteorological element over 30 years is defined as a climatological normal (WMO, 1989). ... weighted average of first difference ...

Climatological reference stations: Definitions and requirements

... of climate (Manual on WIGOS, WMO ... This difference in purpose is reflected in different requirements for observing weather and climate.

Mexico - Climatology - Climate Change Knowledge Portal

Information should be used to build a strong understanding of current climate conditions in order to appreciate future climate scenarios and projected change.

Climate - World Meteorological Organization WMO

Climate is the average weather conditions for a particular location over a long period of time, ranging from months to thousands or millions of years.

1991-2020 South Carolina Climate Normals* Contour Maps

Climate normals are 30-year averages of climate data (i.e., temperature and precipitation) used to show typical climate conditions for a given location. Climate ...

Climate normals - MeteoSwiss

Whereas the normal period used only to be updated every 30 years, the significant climatological changes of the past decades have led the WMO to recommend that ...

WMO Guidelines on Generating a Defined Set of National Climate ...

The standard climatological normal is adopted for the calculation of NCMPs and is referred to as the ... between them and then averaging the differences into ...

World Meteorological Organization Global Weather & Climate ...

Continental Weather & Climate Extremes: Based on World Meteorological Organization Defined Regions. Map of the world with different regions. WMO Region ...

Explanation of Climatological Normals

Climatological normals of monthly temperature and precipitation are defined as 30-year averages, where the current base period is 1991 – 2020.