Dear Jonathan Gregory,
I would like to make one correction to the
"atmosphere_stability_k_index" proposal. The GOES-R product that is
motivating this submission will have units of degrees Celsius, but in
order to have consistency with some of the other atmosphere stability
indices, the canonical units should be Kelvins. So, the updated
proposal is then:
Standard Name:atmosphere_stability_k_index
Definition:The atmosphere_stability_k_index is an index that indicates
the potential of severe convection and is often referred to a simply the
k index. The index is derived from the difference in air temperature
between 850 and 500 hPa, the dew point temperature at 850 hPa, and the
difference between the air temperature and the dew point temperature at
700 hPa.
Canonical Units:K
Sincerely,
Jonathan Wrotny
On 6/4/2013 5:33 AM, Jonathan Gregory wrote:
Dear Jonathan
This appears to be a very ad-hoc quantity, and I agree it would not make sense
to try to devise a general physical name for it. Adding atmosphere_stability,
as with the total totals index, provides useful information on what sort of
quantity is it, taking a step towards making it self-explanatory.
Thanks
Jonathan
----- Forwarded message from Jonathan Wrotny <[email protected]> -----
Date: Wed, 29 May 2013 15:42:05 -0400
From: Jonathan Wrotny <[email protected]>
User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:17.0) Gecko/20130509
Thunderbird/17.0.6
To: [email protected]
Subject: [CF-metadata] new standard name: atmosphere_stability_k_index
Dear CF board:
I would like to propose the following standard name:
atmosphere_stability_k_index
with the associate definition:
The atmosphere_stability_k_index is an index that indicates the
potential of severe convection and is often referred to a simply the
k index. The index is derived from the difference in air temperature
between 850 and 500 hPa, the dew point temperature at 850 hPa, and
the difference between the air temperature and the dew point
temperature at 700 hPa.
and the canonical units of:
C
NOTE: This proposed product using fixed pressure levels of 850,
700, and 500 hPa for calculating the index which are unique to this
product, thus these values are included in the definition.
Sincerely,
Jonathan
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