additional code table entries for Fast Track 2025-1

[sebvi]

Introduction

As requested and agreed during the last meeting in December, ECMWF would like to request additional, non-controversial entries in code tables.

Amendment details

ADD to code table 4.5

Code	Description	Unit
36	Stratopause	-

ADD to code table 4.2 discipline 0 category 15

parameter number	Description	Unit
5	precipitation (see note)	kg m-2
17	Precipitation rate	kg m-2 s-1

added note: Statistical process 1 (Accumulation) does not change units. It is recommended to use another parameter with "rate" in its name and accumulation in PDT.

ADD to code table 4.2 discipline 0 category 16

parameter number	Description	Unit
6	Precipitation rate	kg m-2 s-1

ADD to code table 4.2 discipline 0 category 20

parameter number	Description	Unit
113	Aerosol backscatter coefficient	m-1 sr-1

ADD to code table 4.2 discipline 20 category 0

parameter number	Description	Unit
9	UV biologically effective dose	W m-2
10	UV biologically effective dose, clear-sky	W m-2
11	Excess heat factor	K^2
12	Excess cold factor	K^2

Comments

No response

Requestor(s)

Sebastien Villaume (ECMWF)
Robert Osinski (ECMWF)
Matthew Griffith (ECMWF)

Stakeholder(s)

ECMWF

Publication(s)

Manual on Codes (WMO-No. 306), Volume I.2, GRIB code table 4.5
Manual on Codes (WMO-No. 306), Volume I.2, GRIB code table 4.2, discipline 0, category 15
Manual on Codes (WMO-No. 306), Volume I.2, GRIB code table 4.2, discipline 0, category 16
Manual on Codes (WMO-No. 306), Volume I.2, GRIB code table 4.2, discipline 0, category 20
Manual on Codes (WMO-No. 306), Volume I.2, GRIB code table 4.2, discipline 20, category 0

Expected impact of change

None

Collaborators

No response

References

No response

[amilan17]

https://github.com/wmo-im/et-data/wiki/2025.01.14.et.data notes:
Robert Osinski introduced the proposal; team agrees to the proposal; branch needs to be updated

[sebvi]

branch updated