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Appendix 3
Available versions for ERULES-1963177438-3069
Regulation (EU) 2021/1338
found in: ATM/ANS Provision of Services (2017/373) (Feb 2023)
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Appendix 3 Regulation (EU) 2021/1338 <table border="0" cellpadding="0" cellspacing="0" width="671"> <tr> <td colspan="7" valign="top" width="671"> <p><b>Template for TAF</b></p> <p>Key:</p> <p>M = inclusion mandatory;</p> <p>C = inclusion conditional, dependent on meteorological conditions or method of observation;</p> <p>O = inclusion optional.</p> <p>Note 1: The ranges and resolutions for the numerical elements included in TAF are provided in a separate table below this template.</p> <p>Note 2: The explanations for the abbreviations can be found in ICAO Doc 8400 Procedures for Air Navigation Services — ICAO Abbreviations and Codes (PANS-ABC).</p> <p>Note 3: Row numbers in the ‘Ref.’ column are included only for clarity and ease of reference, and are not part of the TAF. </p> </td> </tr> <tr> <td valign="top" width="38"> <p>Ref.</p> </td> <td valign="bottom" width="208"> <p>Element </p> </td> <td valign="bottom" width="179"> <p>Detailed content</p> </td> <td colspan="4" valign="bottom" width="246"> <p>Template(s)</p> </td> </tr> <tr> <td valign="top" width="38"> <p>1</p> </td> <td valign="top" width="208"> <p>Identification of the type of forecast (M)</p> </td> <td valign="top" width="179"> <p>Type of forecast (M)</p> </td> <td colspan="4" valign="top" width="246"> <p>TAF or TAF AMD or TAF COR</p> </td> </tr> <tr> <td valign="top" width="38"> <p>2</p> </td> <td valign="top" width="208"> <p>Location indicator (M)</p> </td> <td valign="top" width="179"> <p>ICAO location indicator (M)</p> </td> <td colspan="4" valign="top" width="246"> <p>nnnn</p> </td> </tr> <tr> <td valign="top" width="38"> <p>3</p> </td> <td valign="top" width="208"> <p>Time of issue of the forecast (M)</p> </td> <td valign="top" width="179"> <p>Day and time of issue of the forecast in UTC (M)</p> </td> <td colspan="4" valign="top" width="246"> <p>nnnnnnZ</p> </td> </tr> <tr> <td valign="top" width="38"> <p>4</p> </td> <td valign="top" width="208"> <p>Identification of a missing forecast (C)</p> </td> <td valign="top" width="179"> <p>Missing forecast identifier (C)</p> </td> <td colspan="4" valign="top" width="246"> <p>NIL</p> </td> </tr> <tr> <td valign="top" width="38"> <p>5</p> </td> <td colspan="6" valign="top" width="633"> <p>END OF TAF IF THE FORECAST IS MISSING.</p> </td> </tr> <tr> <td valign="top" width="38"> <p>6</p> </td> <td valign="top" width="208"> <p>Days and period of validity of the forecast (M)</p> </td> <td valign="top" width="179"> <p>Days and period of validity of the forecast in UTC (M)</p> </td> <td colspan="4" valign="top" width="246"> <p>nnnn/nnnn</p> </td> </tr> <tr> <td valign="top" width="38"> <p>7</p> </td> <td valign="top" width="208"> <p>Identification of a cancelled forecast (C)</p> </td> <td valign="top" width="179"> <p>Cancelled forecast identifier (C)</p> </td> <td colspan="4" valign="top" width="246"> <p>CNL</p> </td> </tr> <tr> <td valign="top" width="38"> <p>8</p> </td> <td colspan="6" valign="top" width="633"> <p>END OF TAF IF THE FORECAST IS CANCELLED.</p> </td> </tr> <tr> <td rowspan="4" valign="top" width="38"> <p>9</p> </td> <td rowspan="4" valign="top" width="208"> <p>Surface wind (M)</p> </td> <td valign="top" width="179"> <p>Wind direction (M)</p> </td> <td colspan="4" valign="top" width="246"> <p>nnn or VRB</p> </td> </tr> <tr> <td valign="top" width="179"> <p>Wind speed (M)</p> </td> <td colspan="4" valign="top" width="246"> <p>[P]nn[n]</p> </td> </tr> <tr> <td valign="top" width="179"> <p>Significant speed variations (C)</p> </td> <td colspan="4" valign="top" width="246"> <p>G[P]nn[n]</p> </td> </tr> <tr> <td valign="top" width="179"> <p>Units of measurement (M)</p> </td> <td colspan="4" valign="top" width="246"> <p>KT</p> </td> </tr> <tr> <td valign="top" width="38"> <p>10</p> </td> <td valign="top" width="208"> <p>Visibility (M)</p> </td> <td valign="top" width="179"> <p>Prevailing visibility (M)</p> </td> <td colspan="3" valign="top" width="208"> <p>nnnn</p> </td> <td rowspan="5" valign="top" width="38"> <p>C</p> <p>A</p> <p>V</p> <p>O</p> <p>K</p> </td> </tr> <tr> <td valign="top" width="38"> <p>11</p> </td> <td rowspan="2" valign="top" width="208"> <p>Weather (C)</p> </td> <td valign="top" width="179"> <p>Intensity of weather phenomena (C) (<a href="#_ftn71">[71]</a>)</p> </td> <td colspan="2" valign="top" width="151"> <p>– or +</p> </td> <td valign="top" width="57"> <p>—</p> </td> </tr> <tr> <td valign="top" width="38"> </td> <td valign="top" width="179"> <p>Characteristics and type of weather phenomena (C)</p> </td> <td colspan="2" valign="top" width="151"> <p>DZ or RA or</p> <p>SN or SG or</p> <p>PL or DS or</p> <p>SS or FZDZ or</p> <p>FZRA or SHGR or</p> <p>SHGS or SHRA or</p> <p>SHSN or TSGR or</p> <p>TSGS or TSRA or</p> <p>TSSN</p> </td> <td valign="top" width="57"> <p>FG or </p> <p>BR or </p> <p>SA or </p> <p>DU or </p> <p>HZ or </p> <p>FU or</p> <p>VA or </p> <p>SQ or</p> <p>PO or </p> <p>FC or</p> <p>TS or </p> <p>BCFG or</p> <p>BLDU or</p> <p>BLSA or</p> <p>BLSN or</p> <p>DRDU or</p> <p>DRSA or</p> <p>DRSN or</p> <p>FZFG or</p> <p>MIFG or</p> <p>PRFG</p> </td> </tr> <tr> <td rowspan="2" valign="top" width="38"> <p>12</p> </td> <td rowspan="2" valign="top" width="208"> <p>Cloud (M) (<a href="#_ftn72">[72]</a>)</p> </td> <td valign="top" width="179"> <p>Cloud amount and height of base or vertical visibility (M)</p> </td> <td valign="top" width="73"> <p>FEWnnn</p> <p>or</p> <p>SCTnnn or</p> <p>BKNnnn or</p> <p>OVCnnn</p> </td> <td valign="top" width="78"> <p>VVnnn </p> <p>or</p> <p>VV///</p> </td> <td rowspan="2" valign="top" width="57"> <p>N</p> <p>S</p> <p>C</p> </td> </tr> <tr> <td valign="top" width="179"> <p>Cloud type (C)</p> </td> <td valign="top" width="73"> <p>CB or TCU</p> </td> <td valign="top" width="78"> <p>—</p> </td> </tr> <tr> <td rowspan="6" valign="top" width="38"> <p>13</p> </td> <td rowspan="6" valign="top" width="208"> <p>Temperature (O) (<a href="#_ftn73">[73]</a>)</p> </td> <td valign="top" width="179"> <p>Name of the element (M)</p> </td> <td colspan="4" valign="top" width="246"> <p>TX</p> </td> </tr> <tr> <td valign="top" width="179"> <p>Maximum temperature (M)</p> </td> <td colspan="4" valign="top" width="246"> <p>[M]nn/</p> </td> </tr> <tr> <td valign="top" width="179"> <p>Day and time of occurrence of the maximum temperature (M)</p> </td> <td colspan="4" valign="top" width="246"> <p>nnnnZ</p> </td> </tr> <tr> <td valign="top" width="179"> <p>Name of the element (M)</p> </td> <td colspan="4" valign="top" width="246"> <p>TN</p> </td> </tr> <tr> <td valign="top" width="179"> <p>Minimum temperature (M)</p> </td> <td colspan="4" valign="top" width="246"> <p>[M]nn/</p> </td> </tr> <tr> <td valign="top" width="179"> <p>Day and time of occurrence of the minimum temperature (M)</p> </td> <td colspan="4" valign="top" width="246"> <p>nnnnZ</p> </td> </tr> <tr> <td valign="top" width="38"> <p>14</p> </td> <td rowspan="6" valign="top" width="208"> <p>Expected significant changes to one or more of the above elements during the period of validity (C)</p> </td> <td valign="top" width="179"> <p>Change or probability indicator (M)</p> </td> <td colspan="4" valign="top" width="246"> <p>PROB30 [TEMPO] or PROB40 [TEMPO] or BECMG or TEMPO or FM</p> </td> </tr> <tr> <td valign="top" width="38"> </td> <td valign="top" width="179"> <p>Period of occurrence or change (M)</p> </td> <td colspan="4" valign="top" width="246"> <p>nnnn/nnnn or nnnnnn</p> </td> </tr> <tr> <td valign="top" width="38"> </td> <td valign="top" width="179"> <p>Wind (C)</p> </td> <td colspan="4" valign="top" width="246"> <p>nnn[P]nn[G[P]nn]KT</p> <p>or</p> <p>VRBnnKT </p> </td> </tr> <tr> <td valign="top" width="38"> </td> <td valign="top" width="179"> <p>Prevailing visibility (C)</p> </td> <td colspan="3" valign="top" width="208"> <p>nnnn</p> </td> <td rowspan="5" valign="top" width="38"> <p>C</p> <p>A</p> <p>V</p> <p>O</p> <p>K</p> </td> </tr> <tr> <td valign="top" width="38"> </td> <td valign="top" width="179"> <p>Weather phenomenon: intensity (C)</p> </td> <td valign="top" width="73"> <p>– or +</p> </td> <td valign="top" width="78"> <p>—</p> </td> <td rowspan="2" valign="top" width="57"> <p>N</p> <p>S</p> <p>W</p> </td> </tr> <tr> <td valign="top" width="38"> </td> <td valign="top" width="179"> <p>Weather phenomenon: characteristics and type (C)</p> </td> <td valign="top" width="73"> <p>DZ or</p> <p>RA or</p> <p>SN or</p> <p>SG or</p> <p>PL or</p> <p>DS or</p> <p>SS or</p> <p>FZDZ or</p> <p>FZRA or</p> <p>SHGR or</p> <p>SHGS or</p> <p>SHRA or</p> <p>SHSN or</p> <p>TSGR or</p> <p>TSGS or</p> <p>TSRA or</p> <p>TSSN </p> </td> <td valign="top" width="78"> <p>FG or</p> <p>BR or</p> <p>SA or</p> <p>DU or</p> <p>HZ or</p> <p>FU or</p> <p>VA or</p> <p>SQ or</p> <p>PO or</p> <p>FC or</p> <p>TS or</p> <p>BCFG or</p> <p>BLDU or</p> <p>BLSA or</p> <p>BLSN or</p> <p>DRDU or</p> <p>DRSA or</p> <p>DRSN or</p> <p>FZFG or</p> <p>MIFG or</p> <p>PRFG</p> </td> </tr> <tr> <td valign="top" width="38"> <p>15</p> </td> <td rowspan="2" valign="top" width="208"> </td> <td valign="top" width="179"> <p>Cloud amount and height of base or vertical visibility (C)</p> </td> <td valign="top" width="73"> <p>FEWnnn or</p> <p>SCTnnn or</p> <p>BKNnnn or</p> <p>OVCnnn</p> </td> <td valign="top" width="78"> <p>VVnnn</p> <p>or</p> <p>VV///</p> </td> <td rowspan="2" valign="top" width="57"> <p>N</p> <p>S</p> <p>C</p> </td> </tr> <tr> <td valign="top" width="38"> </td> <td valign="top" width="179"> <p>Cloud type (C)</p> </td> <td valign="top" width="73"> <p>CB or TCU</p> </td> <td valign="top" width="78"> <p>—</p> </td> </tr> </table> <table border="0" cellpadding="0" cellspacing="0" width="663"> <tr> <td colspan="6" valign="top" width="663"> <p><b>Ranges and resolutions for the numerical elements included in TAF</b></p> </td> </tr> <tr> <td valign="top" width="5%"> <p>Ref.</p> </td> <td colspan="3" valign="top" width="51%"> <p>Elements</p> </td> <td valign="top" width="16%"> <p>Range</p> </td> <td valign="top" width="26%"> <p>Resolution</p> </td> </tr> <tr> <td valign="top" width="5%"> <p>1</p> </td> <td valign="top" width="42%"> <p>Wind direction:</p> </td> <td colspan="2" valign="top" width="9%"> <p>° true</p> </td> <td valign="top" width="16%"> <p>000–360</p> </td> <td valign="top" width="26%"> <p>10</p> </td> </tr> <tr> <td valign="top" width="5%"> <p>2</p> </td> <td valign="top" width="42%"> <p>Wind speed:</p> </td> <td colspan="2" valign="top" width="9%"> <p>KT</p> </td> <td valign="top" width="16%"> <p>00–99</p> </td> <td valign="top" width="26%"> <p>1</p> </td> </tr> <tr> <td valign="top" width="5%"> <p>3</p> </td> <td valign="top" width="42%"> <p>Visibility:</p> </td> <td colspan="2" valign="top" width="9%"> <p>M</p> </td> <td valign="top" width="16%"> <p>0000–0750</p> </td> <td valign="top" width="26%"> <p>50</p> </td> </tr> <tr> <td valign="top" width="5%"> </td> <td valign="top" width="42%"> </td> <td colspan="2" valign="top" width="9%"> <p>M</p> </td> <td valign="top" width="16%"> <p>0800–4 900</p> </td> <td valign="top" width="26%"> <p>100</p> </td> </tr> <tr> <td valign="top" width="5%"> </td> <td valign="top" width="42%"> </td> <td colspan="2" valign="top" width="9%"> <p>M</p> </td> <td valign="top" width="16%"> <p>5 000–9 000</p> </td> <td valign="top" width="26%"> <p>1 000</p> </td> </tr> <tr> <td valign="top" width="5%"> </td> <td valign="top" width="42%"> </td> <td colspan="2" valign="top" width="9%"> <p>M</p> </td> <td valign="top" width="16%"> <p>10 000 or greater</p> </td> <td valign="top" width="26%"> <p>0 (fixed value: 9 999)</p> </td> </tr> <tr> <td valign="top" width="5%"> <p>4</p> </td> <td valign="top" width="42%"> <p>Vertical visibility:</p> </td> <td colspan="2" valign="top" width="9%"> <p>100’s FT</p> </td> <td valign="top" width="16%"> <p>000–020</p> </td> <td valign="top" width="26%"> <p>1</p> </td> </tr> <tr> <td valign="top" width="5%"> <p>5</p> </td> <td valign="top" width="42%"> <p>Cloud: height of cloud base:</p> </td> <td colspan="2" valign="top" width="9%"> <p>100’s FT </p> </td> <td valign="top" width="16%"> <p>000–099</p> <p>100–200</p> </td> <td valign="top" width="26%"> <p>1</p> <p>10</p> </td> </tr> <tr> <td valign="top" width="5%"> <p>6</p> </td> <td colspan="2" valign="top" width="43%"> <p>Air temperature (maximum and minimum): </p> </td> <td valign="top" width="8%"> <p>°C</p> </td> <td valign="top" width="16%"> <p>–80 – +60</p> </td> <td valign="top" width="26%"> <p>1’</p> </td> </tr> <tr height="0"> </tr> </table> --- [[71]](#_ftnref71) To be included whenever applicable. No qualifier for moderate intensity. [[73]](#_ftnref73) Consisting of up to a maximum of four temperatures (two maximum temperatures and two minimum temperatures).
Appendix 3 Regulation (EU) 2021/1338 <table border="0" cellpadding="0" cellspacing="0" width="671"><tr><td colspan="7" valign="top" width="671"><p><b>Template for TAF</b></p><p>Key:</p><p>M = inclusion mandatory;</p><p>C = inclusion conditional, dependent on meteorological conditions or method of observation;</p><p>O = inclusion optional.</p><p>Note 1: The ranges and resolutions for the numerical elements included in TAF are provided in a separate table below this template.</p><p>Note 2: The explanations for the abbreviations can be found in ICAO Doc 8400 Procedures for Air Navigation Services — ICAO Abbreviations and Codes (PANS-ABC).</p><p>Note 3: Row numbers in the ‘Ref.’ column are included only for clarity and ease of reference, and are not part of the TAF. </p></td></tr><tr><td valign="top" width="38"><p>Ref.</p></td><td valign="bottom" width="208"><p>Element </p></td><td valign="bottom" width="179"><p>Detailed content</p></td><td colspan="4" valign="bottom" width="246"><p>Template(s)</p></td></tr><tr><td valign="top" width="38"><p>1</p></td><td valign="top" width="208"><p>Identification of the type of forecast (M)</p></td><td valign="top" width="179"><p>Type of forecast (M)</p></td><td colspan="4" valign="top" width="246"><p>TAF or TAF AMD or TAF COR</p></td></tr><tr><td valign="top" width="38"><p>2</p></td><td valign="top" width="208"><p>Location indicator (M)</p></td><td valign="top" width="179"><p>ICAO location indicator (M)</p></td><td colspan="4" valign="top" width="246"><p>nnnn</p></td></tr><tr><td valign="top" width="38"><p>3</p></td><td valign="top" width="208"><p>Time of issue of the forecast (M)</p></td><td valign="top" width="179"><p>Day and time of issue of the forecast in UTC (M)</p></td><td colspan="4" valign="top" width="246"><p>nnnnnnZ</p></td></tr><tr><td valign="top" width="38"><p>4</p></td><td valign="top" width="208"><p>Identification of a missing forecast (C)</p></td><td valign="top" width="179"><p>Missing forecast identifier (C)</p></td><td colspan="4" valign="top" width="246"><p>NIL</p></td></tr><tr><td valign="top" width="38"><p>5</p></td><td colspan="6" valign="top" width="633"><p>END OF TAF IF THE FORECAST IS MISSING.</p></td></tr><tr><td valign="top" width="38"><p>6</p></td><td valign="top" width="208"><p>Days and period of validity of the forecast (M)</p></td><td valign="top" width="179"><p>Days and period of validity of the forecast in UTC (M)</p></td><td colspan="4" valign="top" width="246"><p>nnnn/nnnn</p></td></tr><tr><td valign="top" width="38"><p>7</p></td><td valign="top" width="208"><p>Identification of a cancelled forecast (C)</p></td><td valign="top" width="179"><p>Cancelled forecast identifier (C)</p></td><td colspan="4" valign="top" width="246"><p>CNL</p></td></tr><tr><td valign="top" width="38"><p>8</p></td><td colspan="6" valign="top" width="633"><p>END OF TAF IF THE FORECAST IS CANCELLED.</p></td></tr><tr><td rowspan="4" valign="top" width="38"><p>9</p></td><td rowspan="4" valign="top" width="208"><p>Surface wind (M)</p></td><td valign="top" width="179"><p>Wind direction (M)</p></td><td colspan="4" valign="top" width="246"><p>nnn or VRB</p></td></tr><tr><td valign="top" width="179"><p>Wind speed (M)</p></td><td colspan="4" valign="top" width="246"><p>[P]nn[n]</p></td></tr><tr><td valign="top" width="179"><p>Significant speed variations (C)</p></td><td colspan="4" valign="top" width="246"><p>G[P]nn[n]</p></td></tr><tr><td valign="top" width="179"><p>Units of measurement (M)</p></td><td colspan="4" valign="top" width="246"><p>KT</p></td></tr><tr><td valign="top" width="38"><p>10</p></td><td valign="top" width="208"><p>Visibility (M)</p></td><td valign="top" width="179"><p>Prevailing visibility (M)</p></td><td colspan="3" valign="top" width="208"><p>nnnn</p></td><td rowspan="5" valign="top" width="38"><p>C</p><p>A</p><p>V</p><p>O</p><p>K</p></td></tr><tr><td valign="top" width="38"><p>11</p></td><td rowspan="2" valign="top" width="208"><p>Weather (C)</p></td><td valign="top" width="179"><p>Intensity of weather phenomena (C) (<a href="#_ftn76">[76]</a>)</p></td><td colspan="2" valign="top" width="151"><p>– or +</p></td><td valign="top" width="57"><p>—</p></td></tr><tr><td valign="top" width="38"></td><td valign="top" width="179"><p>Characteristics and type of weather phenomena (C)</p></td><td colspan="2" valign="top" width="151"><p>DZ or RA or</p><p>SN or SG or</p><p>PL or DS or</p><p>SS or FZDZ or</p><p>FZRA or SHGR or</p><p>SHGS or SHRA or</p><p>SHSN or TSGR or</p><p>TSGS or TSRA or</p><p>TSSN</p></td><td valign="top" width="57"><p>FG or </p><p>BR or </p><p>SA or </p><p>DU or </p><p>HZ or </p><p>FU or</p><p>VA or </p><p>SQ or</p><p>PO or </p><p>FC or</p><p>TS or </p><p>BCFG or</p><p>BLDU or</p><p>BLSA or</p><p>BLSN or</p><p>DRDU or</p><p>DRSA or</p><p>DRSN or</p><p>FZFG or</p><p>MIFG or</p><p>PRFG</p></td></tr><tr><td rowspan="2" valign="top" width="38"><p>12</p></td><td rowspan="2" valign="top" width="208"><p>Cloud (M) (<a href="#_ftn77">[77]</a>)</p></td><td valign="top" width="179"><p>Cloud amount and height of base or vertical visibility (M)</p></td><td valign="top" width="73"><p>FEWnnn</p><p>or</p><p>SCTnnn or</p><p>BKNnnn or</p><p>OVCnnn</p></td><td valign="top" width="78"><p>VVnnn </p><p>or</p><p>VV///</p></td><td rowspan="2" valign="top" width="57"><p>N</p><p>S</p><p>C</p></td></tr><tr><td valign="top" width="179"><p>Cloud type (C)</p></td><td valign="top" width="73"><p>CB or TCU</p></td><td valign="top" width="78"><p>—</p></td></tr><tr><td rowspan="6" valign="top" width="38"><p>13</p></td><td rowspan="6" valign="top" width="208"><p>Temperature (O) (<a href="#_ftn78">[78]</a>)</p></td><td valign="top" width="179"><p>Name of the element (M)</p></td><td colspan="4" valign="top" width="246"><p>TX</p></td></tr><tr><td valign="top" width="179"><p>Maximum temperature (M)</p></td><td colspan="4" valign="top" width="246"><p>[M]nn/</p></td></tr><tr><td valign="top" width="179"><p>Day and time of occurrence of the maximum temperature (M)</p></td><td colspan="4" valign="top" width="246"><p>nnnnZ</p></td></tr><tr><td valign="top" width="179"><p>Name of the element (M)</p></td><td colspan="4" valign="top" width="246"><p>TN</p></td></tr><tr><td valign="top" width="179"><p>Minimum temperature (M)</p></td><td colspan="4" valign="top" width="246"><p>[M]nn/</p></td></tr><tr><td valign="top" width="179"><p>Day and time of occurrence of the minimum temperature (M)</p></td><td colspan="4" valign="top" width="246"><p>nnnnZ</p></td></tr><tr><td valign="top" width="38"><p>14</p></td><td rowspan="6" valign="top" width="208"><p>Expected significant changes to one or more of the above elements during the period of validity (C)</p></td><td valign="top" width="179"><p>Change or probability indicator (M)</p></td><td colspan="4" valign="top" width="246"><p>PROB30 [TEMPO] or PROB40 [TEMPO] or BECMG or TEMPO or FM</p></td></tr><tr><td valign="top" width="38"></td><td valign="top" width="179"><p>Period of occurrence or change (M)</p></td><td colspan="4" valign="top" width="246"><p>nnnn/nnnn or nnnnnn</p></td></tr><tr><td valign="top" width="38"></td><td valign="top" width="179"><p>Wind (C)</p></td><td colspan="4" valign="top" width="246"><p>nnn[P]nn[G[P]nn]KT</p><p>or</p><p>VRBnnKT </p></td></tr><tr><td valign="top" width="38"></td><td valign="top" width="179"><p>Prevailing visibility (C)</p></td><td colspan="3" valign="top" width="208"><p>nnnn</p></td><td rowspan="5" valign="top" width="38"><p>C</p><p>A</p><p>V</p><p>O</p><p>K</p></td></tr><tr><td valign="top" width="38"></td><td valign="top" width="179"><p>Weather phenomenon: intensity (C)</p></td><td valign="top" width="73"><p>– or +</p></td><td valign="top" width="78"><p>—</p></td><td rowspan="2" valign="top" width="57"><p>N</p><p>S</p><p>W</p></td></tr><tr><td valign="top" width="38"></td><td valign="top" width="179"><p>Weather phenomenon: characteristics and type (C)</p></td><td valign="top" width="73"><p>DZ or</p><p>RA or</p><p>SN or</p><p>SG or</p><p>PL or</p><p>DS or</p><p>SS or</p><p>FZDZ or</p><p>FZRA or</p><p>SHGR or</p><p>SHGS or</p><p>SHRA or</p><p>SHSN or</p><p>TSGR or</p><p>TSGS or</p><p>TSRA or</p><p>TSSN </p></td><td valign="top" width="78"><p>FG or</p><p>BR or</p><p>SA or</p><p>DU or</p><p>HZ or</p><p>FU or</p><p>VA or</p><p>SQ or</p><p>PO or</p><p>FC or</p><p>TS or</p><p>BCFG or</p><p>BLDU or</p><p>BLSA or</p><p>BLSN or</p><p>DRDU or</p><p>DRSA or</p><p>DRSN or</p><p>FZFG or</p><p>MIFG or</p><p>PRFG</p></td></tr><tr><td valign="top" width="38"><p>15</p></td><td rowspan="2" valign="top" width="208"></td><td valign="top" width="179"><p>Cloud amount and height of base or vertical visibility (C)</p></td><td valign="top" width="73"><p>FEWnnn or</p><p>SCTnnn or</p><p>BKNnnn or</p><p>OVCnnn</p></td><td valign="top" width="78"><p>VVnnn</p><p>or</p><p>VV///</p></td><td rowspan="2" valign="top" width="57"><p>N</p><p>S</p><p>C</p></td></tr><tr><td valign="top" width="38"></td><td valign="top" width="179"><p>Cloud type (C)</p></td><td valign="top" width="73"><p>CB or TCU</p></td><td valign="top" width="78"><p>—</p></td></tr></table> <table border="0" cellpadding="0" cellspacing="0" width="663"><tr><td colspan="6" valign="top" width="663"><p><b>Ranges and resolutions for the numerical elements included in TAF</b></p></td></tr><tr><td valign="top" width="5%"><p>Ref.</p></td><td colspan="3" valign="top" width="51%"><p>Elements</p></td><td valign="top" width="16%"><p>Range</p></td><td valign="top" width="26%"><p>Resolution</p></td></tr><tr><td valign="top" width="5%"><p>1</p></td><td valign="top" width="42%"><p>Wind direction:</p></td><td colspan="2" valign="top" width="9%"><p>° true</p></td><td valign="top" width="16%"><p>000–360</p></td><td valign="top" width="26%"><p>10</p></td></tr><tr><td valign="top" width="5%"><p>2</p></td><td valign="top" width="42%"><p>Wind speed:</p></td><td colspan="2" valign="top" width="9%"><p>KT</p></td><td valign="top" width="16%"><p>00–99</p></td><td valign="top" width="26%"><p>1</p></td></tr><tr><td valign="top" width="5%"><p>3</p></td><td valign="top" width="42%"><p>Visibility:</p></td><td colspan="2" valign="top" width="9%"><p>M</p></td><td valign="top" width="16%"><p>0000–0750</p></td><td valign="top" width="26%"><p>50</p></td></tr><tr><td valign="top" width="5%"></td><td valign="top" width="42%"></td><td colspan="2" valign="top" width="9%"><p>M</p></td><td valign="top" width="16%"><p>0800–4 900</p></td><td valign="top" width="26%"><p>100</p></td></tr><tr><td valign="top" width="5%"></td><td valign="top" width="42%"></td><td colspan="2" valign="top" width="9%"><p>M</p></td><td valign="top" width="16%"><p>5 000–9 000</p></td><td valign="top" width="26%"><p>1 000</p></td></tr><tr><td valign="top" width="5%"></td><td valign="top" width="42%"></td><td colspan="2" valign="top" width="9%"><p>M</p></td><td valign="top" width="16%"><p>10 000 or greater</p></td><td valign="top" width="26%"><p>0 (fixed value: 9 999)</p></td></tr><tr><td valign="top" width="5%"><p>4</p></td><td valign="top" width="42%"><p>Vertical visibility:</p></td><td colspan="2" valign="top" width="9%"><p>100’s FT</p></td><td valign="top" width="16%"><p>000–020</p></td><td valign="top" width="26%"><p>1</p></td></tr><tr><td valign="top" width="5%"><p>5</p></td><td valign="top" width="42%"><p>Cloud: height of cloud base:</p></td><td colspan="2" valign="top" width="9%"><p>100’s FT </p></td><td valign="top" width="16%"><p>000–099</p><p>100–200</p></td><td valign="top" width="26%"><p>1</p><p>10</p></td></tr><tr><td valign="top" width="5%"><p>6</p></td><td colspan="2" valign="top" width="43%"><p>Air temperature (maximum and minimum): </p></td><td valign="top" width="8%"><p>°C</p></td><td valign="top" width="16%"><p>–80 – +60</p></td><td valign="top" width="26%"><p>1’</p></td></tr><tr height="0"></tr></table> --- [[76]](#_ftnref76) To be included whenever applicable. No qualifier for moderate intensity. [[78]](#_ftnref78) Consisting of up to a maximum of four temperatures (two maximum temperatures and two minimum temperatures).