How to calculate the hourly wind speed - Revision history

Frank@tygron.nl at 14:20, 13 April 2026

2026-04-13T14:20:15Z

← Older revision		Revision as of 14:20, 13 April 2026
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	* The values at each hour regard the measurement over the preceding hour up to that time. To obtain the value for 12:00 UTC, the values at 12:00 UTC must be used.		* The values at each hour regard the measurement over the preceding hour up to that time. To obtain the value for 12:00 UTC, the values at 12:00 UTC must be used.
	\|seealso=		\|seealso=
	* [[Wind speed (Heat Overlay)]]		* [[Wind speed (Heat Stress Overlay)]]
	* [[KNMI weather data]]		* [[KNMI weather data]]
	}}		}}

	[[Category:How-to's]]		[[Category:How-to's]]

Rudolf@tygron.nl at 11:35, 25 February 2026

2026-02-25T11:35:51Z

← Older revision		Revision as of 11:35, 25 February 2026
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	\|notes=		\|notes=
	* The values at each hour regard the measurement over the preceding hour up to that time. To obtain the value for 12:00 UTC, the values at 12:00 UTC must be used.		* The values at each hour regard the measurement over the preceding hour up to that time. To obtain the value for 12:00 UTC, the values at 12:00 UTC must be used.
	* The wind speed ([[KNMI weather data#Hourly_wind_speed\|hourly]], and [[KNMI weather data#Daily_average_wind_speed\|daily average]]) can also be based on an other data source; ''Potentiele wind (UP)'': http://projects.knmi.nl/klimatologie/onderzoeksgegevens/potentiele_wind-sigma/. These values are often a few 0.1 m/s higher than the values from the historical KNMI weather data table.
	\|seealso=		\|seealso=
	* [[Wind speed (Heat Overlay)]]		* [[Wind speed (Heat Overlay)]]

Rudolf@tygron.nl at 08:27, 5 February 2024

2024-02-05T08:27:12Z

← Older revision		Revision as of 08:27, 5 February 2024
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	{{article end		{{article end
	\|notes=		\|notes=
	* The values at each hour regard the measurement over the preceding hour up to that time. To obtain the value for ~~12am~~, the values at ~~12am~~ must be used.		* The values at each hour regard the measurement over the preceding hour up to that time. To obtain the value for 12:00 UTC, the values at 12:00 UTC must be used.
	* The wind speed ([[KNMI weather data#Hourly_wind_speed\|hourly]], and [[KNMI weather data#Daily_average_wind_speed\|daily average]]) can also be based on an other data source; ''Potentiele wind (UP)'': http://projects.knmi.nl/klimatologie/onderzoeksgegevens/potentiele_wind-sigma/. These values are often a few 0.1 m/s higher than the values from the historical KNMI weather data table.		* The wind speed ([[KNMI weather data#Hourly_wind_speed\|hourly]], and [[KNMI weather data#Daily_average_wind_speed\|daily average]]) can also be based on an other data source; ''Potentiele wind (UP)'': http://projects.knmi.nl/klimatologie/onderzoeksgegevens/potentiele_wind-sigma/. These values are often a few 0.1 m/s higher than the values from the historical KNMI weather data table.
	\|seealso=		\|seealso=

Rudolf@tygron.nl at 08:18, 5 February 2024

2024-02-05T08:18:38Z

← Older revision		Revision as of 08:18, 5 February 2024
Line 32:		Line 32:
	{{article end		{{article end
	\|notes=		\|notes=
			* The values at each hour regard the measurement over the preceding hour up to that time. To obtain the value for 12am, the values at 12am must be used.
	* The wind speed ([[KNMI weather data#Hourly_wind_speed\|hourly]], and [[KNMI weather data#Daily_average_wind_speed\|daily average]]) can also be based on an other data source; ''Potentiele wind (UP)'': http://projects.knmi.nl/klimatologie/onderzoeksgegevens/potentiele_wind-sigma/. These values are often a few 0.1 m/s higher than the values from the historical KNMI weather data table.		* The wind speed ([[KNMI weather data#Hourly_wind_speed\|hourly]], and [[KNMI weather data#Daily_average_wind_speed\|daily average]]) can also be based on an other data source; ''Potentiele wind (UP)'': http://projects.knmi.nl/klimatologie/onderzoeksgegevens/potentiele_wind-sigma/. These values are often a few 0.1 m/s higher than the values from the historical KNMI weather data table.
	\|seealso=		\|seealso=

Rudolf@tygron.nl at 08:18, 5 February 2024

2024-02-05T08:18:17Z

← Older revision		Revision as of 08:18, 5 February 2024
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	\|DD		\|DD
	\|Degrees		\|Degrees
	\|''Windrichting (in graden) gemiddeld over de laatste 10 minuten van het afgelopen uur (360=noord, 90=oost, 180=zuid, 270=west, 0=windstil 990=veranderlijk. Zie [http://www.knmi.nl/kennis-en-datacentrum/achtergrond/klimatologische-brochures-en-boeken]''		\|''Windrichting (in graden) gemiddeld over de laatste 10 minuten van het afgelopen uur (360=noord, 90=oost, 180=zuid, 270=west, 0=windstil 990=veranderlijk. Zie http://www.knmi.nl/kennis-en-datacentrum/achtergrond/klimatologische-brochures-en-boeken''
	\|-		\|-
	\|5/E		\|5/E
	\|FH		\|FH
	\|0.1 m/s		\|0.1 m/s
	\|''Uurgemiddelde windsnelheid (in 0.1 m/s). Zie [http://www.knmi.nl/kennis-en-datacentrum/achtergrond/klimatologische-brochures-en-boeken]''		\|''Uurgemiddelde windsnelheid (in 0.1 m/s). Zie http://www.knmi.nl/kennis-en-datacentrum/achtergrond/klimatologische-brochures-en-boeken''
	\|}		\|}

Frank@tygron.nl at 13:27, 30 January 2024

2024-01-30T13:27:59Z

← Older revision		Revision as of 13:27, 30 January 2024
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	* [[KNMI weather data]]		* [[KNMI weather data]]
	}}		}}

			[[Category:How-to's]]

Frank@tygron.nl at 15:27, 16 February 2023

2023-02-16T15:27:20Z

← Older revision		Revision as of 15:27, 16 February 2023
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	[[File:Tutorial_hourly_wind_speed_(Heat_Overlay).png]]		[[File:Tutorial_hourly_wind_speed_(Heat_Overlay).png]]

			{\| class="wikitable"
			! Column
			! Name
			! Unit
			! Dutch Description
			\|-
			\|2/B
			\|YYYYMMDD
			\|Date
			\|''datum (YYYY=jaar,MM=maand,DD=dag)''
			\|-
			\|3/C
			\|HH
			\|Hour
			\|''tijd (HH=uur, UT.12 UT=13 MET, 14 MEZT. Uurvak 05 loopt van 04.00 UT tot 5.00 UT''
			\|-
			\|4/D
			\|DD
			\|Degrees
			\|''Windrichting (in graden) gemiddeld over de laatste 10 minuten van het afgelopen uur (360=noord, 90=oost, 180=zuid, 270=west, 0=windstil 990=veranderlijk. Zie [http://www.knmi.nl/kennis-en-datacentrum/achtergrond/klimatologische-brochures-en-boeken]''
			\|-
			\|5/E
			\|FH
			\|0.1 m/s
			\|''Uurgemiddelde windsnelheid (in 0.1 m/s). Zie [http://www.knmi.nl/kennis-en-datacentrum/achtergrond/klimatologische-brochures-en-boeken]''
			\|}

	{{article end		{{article end

Frank@tygron.nl at 15:15, 16 February 2023

2023-02-16T15:15:17Z

← Older revision		Revision as of 15:15, 16 February 2023
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	The [[Wind_speed_(Heat_Overlay)\|hourly wind speed]] from the [[KNMI weather data]] table has to be divided by 10, since it is defined in 0.1 m/s.		The [[Wind_speed_(Heat_Overlay)\|hourly wind speed]] from the [[KNMI weather data]] table column ''FH'' has to be divided by 10, since it is defined in 0.1 m/s.

	[[File:Tutorial_hourly_wind_speed_(Heat_Overlay).png]]		[[File:Tutorial_hourly_wind_speed_(Heat_Overlay).png]]

Frank@tygron.nl at 15:10, 16 February 2023

2023-02-16T15:10:27Z

← Older revision		Revision as of 15:10, 16 February 2023
Line 1:		Line 1:
	The [[Wind_speed_(Heat_Overlay)\|hourly wind speed]] from the table has to be divided by 10, since it is defined in 0.1 m/s.		The [[Wind_speed_(Heat_Overlay)\|hourly wind speed]] from the [[KNMI weather data]] table has to be divided by 10, since it is defined in 0.1 m/s.

	[[File:Tutorial_hourly_wind_speed_(Heat_Overlay).png]]		[[File:Tutorial_hourly_wind_speed_(Heat_Overlay).png]]

Frank@tygron.nl at 15:06, 16 February 2023

2023-02-16T15:06:29Z

← Older revision		Revision as of 15:06, 16 February 2023
Line 7:		Line 7:
	* The wind speed ([[KNMI weather data#Hourly_wind_speed\|hourly]], and [[KNMI weather data#Daily_average_wind_speed\|daily average]]) can also be based on an other data source; ''Potentiele wind (UP)'': http://projects.knmi.nl/klimatologie/onderzoeksgegevens/potentiele_wind-sigma/. These values are often a few 0.1 m/s higher than the values from the historical KNMI weather data table.		* The wind speed ([[KNMI weather data#Hourly_wind_speed\|hourly]], and [[KNMI weather data#Daily_average_wind_speed\|daily average]]) can also be based on an other data source; ''Potentiele wind (UP)'': http://projects.knmi.nl/klimatologie/onderzoeksgegevens/potentiele_wind-sigma/. These values are often a few 0.1 m/s higher than the values from the historical KNMI weather data table.
	\|seealso=		\|seealso=
			* [[Wind speed (Heat Overlay)]]
	* [[KNMI weather data]]		* [[KNMI weather data]]
	}}		}}