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TIGGE > Parameters > Sunshine duration >

Sunshine duration

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TIGGE

Data and Documents

Working Group

Research

Name:

sunshine_duration

Abbreviation:

sund

Unit:

s

Definition	The solar duration is the length of time in which the solar radiation falling on a plane perpendicular to the direction of the Sun is greater or equal to 120 W/m2.
Validity	accumulated from the beginning of the forecast
Comment	The field will be archived at forecast step 0, with all data values set to zero.

GRIB 2

Discipline	= 0
Parameter Category	= 6
Parameter Number	= 24
Type of statistical processing	= 1
Type of first fixed surface	= 1	Type of second fixed surface	= All 1's
Scale factor of first fixed surface	= All 1's	Scale factor of second fixed surface	= All 1's
Scaled value of first fixed surface	= All 1's	Scaled value of second fixed surface	= All 1's

GRIB 2 and C-code for: Deterministic forecast, Perturbed forecast and Control forecast

Comments

Author	Contents
Jörg Urban	Joint Meeting of CT-MTDCF/ET-DRC, Montreal, 8-12 May 2006: accepted parameter number 24.

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25-05-2013