# Commission Implementing Regulation (EU) 2017/373 of 1 March 2017 laying down common requirements for providers of air traffic management/air navigation services and other air traffic management network functions and their oversight, repealing Regulation (EC) No 482/2008, Implementing Regulations (EU) No 1034/2011, (EU) No 1035/2011 and (EU) 2016/1377 and amending Regulation (EU) No 677/2011 (Text with EEA relevance), Appendix 4: Template for wind shear warnings

Extent: E+W+S+N.I.

Key:
M inclusion mandatory;
C inclusion conditional, whenever applicable.
Note 1:
the ranges and resolutions for the numerical elements included in wind shear warnings are shown in Appendix 8.
Note 2:
the explanations for the abbreviations can be found in ICAO Doc 8400 ‘ Procedures for Air Navigation Services – Abbreviations and Codes (PANS-ABC) ’
Element
Detailed content
Template(s)
Example
Location indicator of the aerodrome (M)
Location indicator of the aerodrome
nnnn
YUCC
Identification of the type of message (M)
Type of message and sequence number
WS WRNG [n]n
WS WRNG 1
Time of origin and validity period (M)
Day and time of issue and, where applicable, validity period in UTC
nnnnnn [VALID TL nnnnnn] or
[VALID nnnnnn/nnnnnn]
211230 VALID TL 211330
221200 VALID 221215/221315
IF THE WIND SHEAR WARNING IS TO BE CANCELLED, SEE DETAILS AT THE END OF THE TEMPLATE
Phenomenon (M)
Identification of the phenomenon and its location
[MOD] or [SEV] WS IN APCH or
[MOD] or [SEV] WS [APCH] RWYnnn
or
[MOD] or [SEV] WS IN CLIMB-OUT
or
[MOD] or [SEV] WS CLIMB-OUT RWYnnn or
MBST IN APCH or
MBST [APCH] RWYnnn
or
MBST IN CLIMB-OUT or
MBST CLIMB-OUT RWYnnn
WS APCH RWY12
MOD WS RWY34
WS IN CLIMB-OUT
MBST APCH RWY26
MBST IN CLIMB-OUT
Observed, reported or forecast phenomenon (M)
Identification whether the phenomenon is observed or reported and expected to continue, or forecast
REP AT nnnn nnnnnnnn or
OBS [AT nnnn] or
FCST
REP AT 1510 B747
OBS AT 1205
FCST
Details of the phenomenon (C)
Description of phenomenon causing the issuance of the wind shear warning
SFC WIND: nnn/nnMPS (or nnn/nnKT) nnnM (nnnFT)-WIND: nnn/nnMPS (or nnn/nnKT)
or
nnKMH (or nnKT) LOSS nnKM (or nnNM)
FNA RWYnn
or
nnKMH (or nnKT) GAIN nnKM (or nnNM)
FNA RWYnn
SFC WIND: 320/5MPS
60M-WIND: 360/13MPS
(SFC WIND: 320/10KT
200FT-WIND: 360/26KT)
60KMH LOSS 4KM
FNA RWY13
(30KT LOSS 2NM
FNA RWY13)
OR
Cancellation of wind shear warning
Cancellation of wind shear warning referring to its identification
CNL WS WRNG [n]n nnnnnn/nnnnnn
CNL WS WRNG 1 211230/211330

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Source: https://www.legislation.gov.uk/eur/2017/373/annex/V/appendix/4 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-373/annex-V/appendix-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.