Appendix 4 Template for wind shear warningsF1
United Kingdom
Key:
inclusion mandatory;
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 |