AMC1 MET.TR.235 Aerodrome warnings and wind shear warnings and alerts

• ED Decision 2022/004/R found in: ATM/ANS Provision of Services (2017/373) (Feb 2023)

AMC1 MET.TR.235 Aerodrome warnings and wind shear warnings and alerts ED Decision 2022/004/R AERODROME WARNINGS — TEMPLATE FOR AERODROME WARNINGS (a) Aerodrome warnings should be issued in accordance with the template below or in another format where required by operators or aerodrome meteorological offices. <table border="1" cellpadding="0" cellspacing="0" width="605"> <tr> <td colspan="4" valign="top" width="605"> <p>Template for aerodrome warnings</p> <p><i>Key:</i></p> <p>M         =          inclusion mandatory;</p> <p>C          =          inclusion conditional, included whenever applicable.</p> <p><i>Note 1:</i> The ranges and resolutions for the numerical elements included in aerodrome warnings are provided in <a href="#_DxCrossRefBm1726555884">GM1 MET.TR.235</a>.</p> <p><i>Note 2: </i>The row numbers in the ‘Ref.’ column are included only for clarity and ease of reference, and are not part of the aerodrome warning.</p> </td> </tr> <tr> <td valign="top" width="36"> <p><i>Ref.</i></p> </td> <td valign="top" width="187"> <p><i>Element</i></p> </td> <td valign="top" width="186"> <p><i>Detailed content</i></p> </td> <td valign="top" width="196"> <p><i>Templates</i></p> </td> </tr> <tr> <td valign="top" width="36"> <p>1</p> </td> <td valign="top" width="187"> <p>Location indicator of the aerodrome (M)</p> </td> <td valign="top" width="186"> <p>Location indicator of the aerodrome</p> </td> <td valign="top" width="196"> <p>nnnn</p> </td> </tr> <tr> <td valign="top" width="36"> <p>2</p> </td> <td valign="top" width="187"> <p>Identification of the type of message (M)</p> </td> <td valign="top" width="186"> <p>Type of message and sequence number</p> </td> <td valign="top" width="196"> <p>AD WRNG [n]n</p> </td> </tr> <tr> <td valign="top" width="36"> <p>3</p> </td> <td valign="top" width="187"> <p>Validity period (M)</p> </td> <td valign="top" width="186"> <p>Day and time of validity period in UTC</p> </td> <td valign="top" width="196"> <p>VALID nnnnnn/nnnnnn</p> </td> </tr> <tr> <td valign="top" width="36"> <p>4</p> </td> <td colspan="3" valign="top" width="568"> <p>IF THE AERODROME WARNING IS TO BE CANCELLED, SEE DETAILS AT THE END OF THE TEMPLATE.</p> </td> </tr> <tr> <td valign="top" width="36"> <p>5</p> </td> <td valign="top" width="187"> <p>Phenomenon (M)</p> </td> <td valign="top" width="186"> <p>Description of the phenomenon causing the issuance of the aerodrome warning</p> </td> <td valign="top" width="196"> <p>TC nnnnnnnnnn <i>or</i></p> <p>[HVY] TS <i>or</i></p> <p>GR <i>or</i></p> <p>[HVY] SN [nnCM] <i>or</i></p> <p>[HVY] FZRA <i>or</i></p> <p>[HVY] FZDZ <i>or</i></p> <p>RIME <i>or</i></p> <p>[HVY] SS <i>or</i></p> <p>[HVY] DS <i>or</i></p> <p>SA <i>or</i></p> <p>DU <i>or</i></p> <p>SFC WSPD nn[n]KT MAX nn[n]</p> <p><i>or</i></p> <p>SFC WIND nnn/nn[n]KT MAX nn[n] or</p> <p>SQ <i>or </i>FROST <i>or</i></p> <p>TSUNAMI <i>or</i></p> <p>VA[DEPO] <i>or</i></p> <p>TOX CHEM<i> or</i></p> <p><i>Free text up to 32 characters</i></p> </td> </tr> <tr> <td valign="top" width="36"> <p>6</p> </td> <td valign="top" width="187"> <p>Observed or forecast phenomenon (M)</p> </td> <td valign="top" width="186"> <p>Indication whether the information is observed and expected to continue, <i>or</i> forecast</p> </td> <td valign="top" width="196"> <p>OBS [AT nnnnZ] <i>or</i></p> <p>FCST</p> </td> </tr> <tr> <td valign="top" width="36"> <p>7</p> </td> <td valign="top" width="187"> <p>Changes in intensity (C)</p> </td> <td valign="top" width="186"> <p>Expected changes in intensity</p> </td> <td valign="top" width="196"> <p>INTSF <i>or</i></p> <p>WKN <i>or</i></p> <p>NC</p> </td> </tr> <tr> <td colspan="4" valign="top" width="605"> <p><i>OR</i></p> </td> </tr> <tr> <td valign="top" width="36"> <p>8</p> </td> <td valign="top" width="187"> <p>Cancellation of the aerodrome </p> <p>warning</p> </td> <td valign="top" width="186"> <p>Cancellation of the aerodrome warning referring to its identification</p> </td> <td valign="top" width="196"> <p>CNL AD WRNG [n]n nnnnnn/nnnnnn</p> </td> </tr> </table> (b)       When the above template is used, the sequence number referred to in the template should correspond to the number of aerodrome warnings issued for the aerodrome since 00.01 UTC on the day concerned. AMC1 MET.TR.235 Aerodrome warnings and wind shear warnings and alerts ED Decision 2022/004/R AERODROME WARNINGS — TEMPLATE FOR AERODROME WARNINGS (a) Aerodrome warnings should be issued in accordance with the template below or in another format where required by operators or aerodrome meteorological offices. <table border="1" cellpadding="0" cellspacing="0" width="605"><tr><td colspan="4" valign="top" width="605"><p>Template for aerodrome warnings</p><p><i>Key:</i></p><p>M = inclusion mandatory;</p><p>C = inclusion conditional, included whenever applicable.</p><p><i>Note 1:</i> The ranges and resolutions for the numerical elements included in aerodrome warnings are provided in <a href="#_DxCrossRefBm647743064">GM1 MET.TR.235</a>.</p><p><i>Note 2: </i>The row numbers in the ‘Ref.’ column are included only for clarity and ease of reference, and are not part of the aerodrome warning.</p></td></tr><tr><td valign="top" width="36"><p><i>Ref.</i></p></td><td valign="top" width="187"><p><i>Element</i></p></td><td valign="top" width="186"><p><i>Detailed content</i></p></td><td valign="top" width="196"><p><i>Templates</i></p></td></tr><tr><td valign="top" width="36"><p>1</p></td><td valign="top" width="187"><p>Location indicator of the aerodrome (M)</p></td><td valign="top" width="186"><p>Location indicator of the aerodrome</p></td><td valign="top" width="196"><p>nnnn</p></td></tr><tr><td valign="top" width="36"><p>2</p></td><td valign="top" width="187"><p>Identification of the type of message (M)</p></td><td valign="top" width="186"><p>Type of message and sequence number</p></td><td valign="top" width="196"><p>AD WRNG [n]n</p></td></tr><tr><td valign="top" width="36"><p>3</p></td><td valign="top" width="187"><p>Validity period (M)</p></td><td valign="top" width="186"><p>Day and time of validity period in UTC</p></td><td valign="top" width="196"><p>VALID nnnnnn/nnnnnn</p></td></tr><tr><td valign="top" width="36"><p>4</p></td><td colspan="3" valign="top" width="568"><p>IF THE AERODROME WARNING IS TO BE CANCELLED, SEE DETAILS AT THE END OF THE TEMPLATE.</p></td></tr><tr><td valign="top" width="36"><p>5</p></td><td valign="top" width="187"><p>Phenomenon (M)</p></td><td valign="top" width="186"><p>Description of the phenomenon causing the issuance of the aerodrome warning</p></td><td valign="top" width="196"><p>TC nnnnnnnnnn <i>or</i></p><p>[HVY] TS <i>or</i></p><p>GR <i>or</i></p><p>[HVY] SN [nnCM] <i>or</i></p><p>[HVY] FZRA <i>or</i></p><p>[HVY] FZDZ <i>or</i></p><p>RIME <i>or</i></p><p>[HVY] SS <i>or</i></p><p>[HVY] DS <i>or</i></p><p>SA <i>or</i></p><p>DU <i>or</i></p><p>SFC WSPD nn[n]KT MAX nn[n]</p><p><i>or</i></p><p>SFC WIND nnn/nn[n]KT MAX nn[n] or</p><p>SQ <i>or </i>FROST <i>or</i></p><p>TSUNAMI <i>or</i></p><p>VA[DEPO] <i>or</i></p><p>TOX CHEM<i> or</i></p><p><i>Free text up to 32 characters</i></p></td></tr><tr><td valign="top" width="36"><p>6</p></td><td valign="top" width="187"><p>Observed or forecast phenomenon (M)</p></td><td valign="top" width="186"><p>Indication whether the information is observed and expected to continue, <i>or</i> forecast</p></td><td valign="top" width="196"><p>OBS [AT nnnnZ] <i>or</i></p><p>FCST</p></td></tr><tr><td valign="top" width="36"><p>7</p></td><td valign="top" width="187"><p>Changes in intensity (C)</p></td><td valign="top" width="186"><p>Expected changes in intensity</p></td><td valign="top" width="196"><p>INTSF <i>or</i></p><p>WKN <i>or</i></p><p>NC</p></td></tr><tr><td colspan="4" valign="top" width="605"><p><i>OR</i></p></td></tr><tr><td valign="top" width="36"><p>8</p></td><td valign="top" width="187"><p>Cancellation of the aerodrome </p><p>warning</p></td><td valign="top" width="186"><p>Cancellation of the aerodrome warning referring to its identification</p></td><td valign="top" width="196"><p>CNL AD WRNG [n]n nnnnnn/nnnnnn</p></td></tr></table> (b) When the above template is used, the sequence number referred to in the template should correspond to the number of aerodrome warnings issued for the aerodrome since 00.01 UTC on the day concerned.