MARS

Specifies the base date of a re-forecast. 

hdate=<value>


Recommended formats are:


Example: Requesting 20 re-forecasts associated to the real-time forecast from 2018-11-22:

...
date=2018-11-22,
hdate=1998-11-22/1999-11-22/2000-11-22/2001-11-22/2002-11-22/2003-11-22/2004-11-22/2005-11-22/2006-11-22/2007-11-22/2008-11-22/2009-11-22/2010-11-22/2011-11-22/2012-11-22/2013-11-22/2014-11-22/2015-11-22/2016-11-22/2017-11-22,
...

Dissemination

Keyword hdate is not used in dissemination. Instead, ref-forecast base dates are specified with date=all and the use keyword .