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GM1 to Appendix 5 'Template for SIGMET and AIRMET'

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ED Decision 2022/004/R found in: ATM/ANS Provision of Services (No 2017/373) (Feb 2023)

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GM1 to Appendix 5 ‘Template for SIGMET and
AIRMET’

ED Decision 2022/004/R

**SIGMET
AND AIRMET — EXAMPLES OF ELEMENTS**

Non-exhaustive examples of the different
elements used in the formulation of SIGMET and AIRMET are provided below.

<table border="1" cellpadding="0" cellspacing="0" width="605">
<tr>
<td colspan="4" valign="top" width="605">
SIGMET
 and AIRMET — examples of elements
Note 1: Consult the ‘Template for SIGMET and AIRMET’ (<a href="#_DxCrossRefBm1726555945">Appendix 5 to Annex V (Part-MET)</a> to
 Regulation (EU) 2017/373) to identify the mandatory (M), the conditional (C)
 or the optional (O) elements.
Note 2: The ranges and resolutions for the numerical elements included
 in SIGMET and AIRMET are provided in <a href="#_DxCrossRefBm1726555944">Appendix 8
 to Annex V (Part-MET)</a> to Regulation (EU) 2017/373.
Note 3: The row numbers in the ‘Ref.’ column are included only for
 clarity and ease of reference, and are not part of the SIGMET and AIRMET.
 They do not correlate with the ‘Ref.’ column in the ‘Template for SIGMET and
 AIRMET’ of <a href="#_DxCrossRefBm1726555945">Appendix 5 to
 Annex V (Part-MET)</a> to Regulation (EU) 2017/373. Refer to the
 ‘Element’ column when cross-referencing.
</td>
</tr>
<tr>
<td valign="top" width="28">
Ref.
</td>
<td valign="bottom" width="93">
Element
</td>
<td valign="bottom" width="266">
SIGMET examples
</td>
<td valign="bottom" width="218">
AIRMET examples
</td>
</tr>
<tr>
<td valign="top" width="28">
1
</td>
<td valign="top" width="93">
ICAO location indicator of FIR/CTA
</td>
<td colspan="2" valign="top" width="484">
YUCC
YUDD
</td>
</tr>
<tr>
<td valign="top" width="28">
2
</td>
<td valign="top" width="93">
Identification
</td>
<td valign="top" width="266">
SIGMET U05
SIGMET I12
</td>
<td valign="top" width="218">
AIRMET 2
AIRMET 19
AIRMET B19
</td>
</tr>
<tr>
<td valign="top" width="28">
3
</td>
<td valign="top" width="93">
Validity period
</td>
<td colspan="2" valign="top" width="484">
VALID 010000/010400
VALID 221215/221600
VALID 101520/101800
VALID 251600/252200
VALID 152000/160000
VALID 192300/200300
</td>
</tr>
<tr>
<td valign="top" width="28">
4
</td>
<td valign="top" width="93">
ICAO location indicator of MWO
</td>
<td colspan="2" valign="top" width="484">
YUDO–
YUSO–
</td>
</tr>
<tr>
<td valign="top" width="28">
5
</td>
<td valign="top" width="93">
Name of the FIR/CTA
</td>
<td valign="top" width="266">
YUCC AMSWELL FIR
YUDD SHANLON
FIR/UIR
UIR
FIR/UIR
YUDD SHANLON CTA
</td>
<td valign="top" width="218">
YUCC AMSWELL FIR/2
YUDD SHANLON FIR
</td>
</tr>
<tr>
<td valign="top" width="28">
6
</td>
<td colspan="3" valign="top" width="576">
IF THE SIGMET IS TO BE CANCELLED, SEE
 DETAILS AT THE END OF THE TABLE.
</td>
</tr>
<tr>
<td valign="top" width="28">
7
</td>
<td valign="top" width="93">
Status indicator
</td>
<td valign="top" width="266">
TEST
EXER
</td>
<td valign="top" width="218">
TEST
EXER
</td>
</tr>
<tr>
<td valign="top" width="28">
8
</td>
<td valign="top" width="93">
Phenomenon
</td>
<td valign="top" width="266">
OBSC TS
OBSC TSGR
EMBD TS
EMBD TSGR
FRQ TS
FRQ TSGR
SQL TS
SQL TSGR
TC GLORIA PSN N10 W060 CB
TC NN PSN S2030 E06030 CB
SEV TURB
SEV ICE
SEV ICE (FZRA)
SEV MTW
HVY DS
HVY SS
VA ERUPTION MT
ASHVAL PSN S15 E073
VA CLD
RDOACT CLD 
</td>
<td valign="top" width="218">
SFC WIND 310/40KT
SFC VIS 1500M (BR)
ISOL TS
ISOL TSGR
OCNL TS
OCNL TSGR
MT OBSC
BKN CLD 400/3000FT
BKN CLD 1000/5000FT
BKN CLD SFC/ABV10000FT
OVC CLD 900/ABV10000FT
OVC CLD 1000/5000FT
OVC CLD SFC/ABV10000FT
ISOL CB
OCNL CB
FRQ CB
ISOL TCU
OCNL TCU
FRQ TCU
MOD TURB
MOD ICE
MOD MTW
</td>
</tr>
<tr>
<td valign="top" width="28">
9
</td>
<td valign="top" width="93">
Observed or forecast phenomenon
</td>
<td colspan="2" valign="top" width="484">
OBS
OBS AT 1210Z
FCST
FCST AT 1815Z
</td>
</tr>
<tr>
<td valign="top" width="28">
10
</td>
<td valign="top" width="93">
Location
</td>
<td colspan="2" valign="top" width="484">
N2020 W07005
N48 E010
S60 W160
S0530 E16530
N OF N50
S OF N5430
N OF S10
S OF S4530
W OF W155
E OF W45
W OF E15540
E OF E09015
N OF N1515 AND W OF E13530
S OF N45 AND N OF N40
N OF LINE S2520 W11510 – S2520 W12010
SW OF LINE N50 W005 – N60 W020
SW OF LINE N50 W020 – N45 E010 AND NE
 OF LINE N45 W020 – N40 E010
WI N6030 E02550 – N6055 E02500 – N6050
 E02630 – N6030 E02550
ENTIRE FIR
ENTIRE UIR
ENTIRE FIR/UIR
ENTIRE CTA
WI 400KM OF TC CENTRE
WI 250NM OF TC CENTRE
WI 30KM OF N6030 E02550
</td>
</tr>
<tr>
<td valign="top" width="28">
11
</td>
<td valign="top" width="93">
Level
</td>
<td colspan="2" valign="top" width="484">
SFC/FL070
FL180
FL050/080
TOP FL390
ABV FL250
TOP ABV FL100
TOP FL500
TOP ABV FL500
TOP BLW FL450
SFC/10000FT
8000FT
6000/12000FT
ABV 7000FT
TOP ABV 9000FT
TOP ABV 10000FT
10000FT/FL250
3000M
SFC/3000M
2000/3000M
2000M/FL150
</td>
</tr>
<tr>
<td valign="top" width="28">
12
</td>
<td valign="top" width="93">
Movement or expected movement
</td>
<td colspan="2" valign="top" width="484">
MOV SE
MOV NNW
MOV E 20KT
MOV WSW 20KT
(MOV E 40KMH)
STNR
</td>
</tr>
<tr>
<td valign="top" width="28">
13
</td>
<td valign="top" width="93">
Changes in intensity
</td>
<td colspan="2" valign="top" width="484">
INTSF
WKN
NC
</td>
</tr>
<tr>
<td valign="top" width="28">
14
</td>
<td valign="top" width="93">
Forecast time
</td>
<td valign="top" width="266">
FCST AT 2200Z
</td>
<td valign="top" width="218">
—
</td>
</tr>
<tr>
<td valign="top" width="28">
15
</td>
<td valign="top" width="93">
TC forecast position
</td>
<td valign="top" width="266">
TC CENTRE PSN N1030 E16015
TC CENTRE PSN N1015 E15030 CB
</td>
<td valign="top" width="218">
—
</td>
</tr>
<tr>
<td valign="top" width="28">
16
</td>
<td valign="top" width="93">
Forecast position
</td>
<td valign="top" width="266">
N30 W170
N OF N30
S OF S50 AND W OF E170
S OF N46 AND N OF N39
NE OF LINE N35 W020 – N45 W040 SW OF
 LINE N48 W020 – N43 E010 AND NE OF LINE N43 W020 – N38 E010
WI N20 W090 – N05 W090 – N10 W100 –
 N20 W100 – N20 W090
ENTIRE FIR
ENTIRE UIR
ENTIRE FIR/UIR
ENTIRE CTA
NO VA EXP
WI 30KM OF N6030 E02550
WI 150NM OF TC CENTRE
</td>
<td valign="top" width="218">
—
</td>
</tr>
<tr>
<td valign="top" width="28">
17
</td>
<td valign="top" width="93">
Repetition of elements
</td>
<td valign="top" width="266">
AND
</td>
<td valign="top" width="218">
—
</td>
</tr>
<tr>
<td valign="top" width="28">
</td>
<td colspan="3" valign="top" width="576">
OR
</td>
</tr>
<tr>
<td valign="top" width="28">
18
</td>
<td valign="top" width="93">
Cancellation of SIGMET/ AIRMET
</td>
<td valign="top" width="266">
CNL SIGMET B04 101200/101600
CNL SIGMET A07 251030/251430 VA MOV TO
 YUDO FIR
</td>
<td valign="top" width="218">
CNL AIRMET 5 151520/151800
</td>
</tr>
</table>

GM1 to Appendix 5 ‘Template for SIGMET and AIRMET’

ED Decision 2022/004/R

**SIGMET AND AIRMET — EXAMPLES OF ELEMENTS**

Non-exhaustive examples of the different elements used in the formulation of SIGMET and AIRMET are provided below.

<table border="1" cellpadding="0" cellspacing="0" width="605"><tr><td colspan="4" valign="top" width="605">SIGMET and AIRMET — examples of elementsNote 1: Consult the ‘Template for SIGMET and AIRMET’ (<a href="#_DxCrossRefBm647743125">Appendix 5 to Annex V (Part-MET)</a> to Regulation (EU) 2017/373) to identify the mandatory (M), the conditional (C) or the optional (O) elements.Note 2: The ranges and resolutions for the numerical elements included in SIGMET and AIRMET are provided in <a href="#_DxCrossRefBm647743124">Appendix 8 to Annex V (Part-MET)</a> to Regulation (EU) 2017/373.Note 3: The row numbers in the ‘Ref.’ column are included only for clarity and ease of reference, and are not part of the SIGMET and AIRMET. They do not correlate with the ‘Ref.’ column in the ‘Template for SIGMET and AIRMET’ of <a href="#_DxCrossRefBm647743125">Appendix 5 to Annex V (Part-MET)</a> to Regulation (EU) 2017/373. Refer to the ‘Element’ column when cross-referencing.</td></tr><thead><tr><td valign="top" width="28">Ref.</td><td valign="bottom" width="93">Element</td><td valign="bottom" width="266">SIGMET examples</td><td valign="bottom" width="218">AIRMET examples</td></tr></thead><tr><td valign="top" width="28">1</td><td valign="top" width="93">ICAO location indicator of FIR/CTA</td><td colspan="2" valign="top" width="484">YUCCYUDD</td></tr><tr><td valign="top" width="28">2</td><td valign="top" width="93">Identification</td><td valign="top" width="266">SIGMET U05SIGMET I12</td><td valign="top" width="218">AIRMET 2AIRMET 19AIRMET B19</td></tr><tr><td valign="top" width="28">3</td><td valign="top" width="93">Validity period</td><td colspan="2" valign="top" width="484">VALID 010000/010400VALID 221215/221600VALID 101520/101800VALID 251600/252200VALID 152000/160000VALID 192300/200300</td></tr><tr><td valign="top" width="28">4</td><td valign="top" width="93">ICAO location indicator of MWO</td><td colspan="2" valign="top" width="484">YUDO–YUSO–</td></tr><tr><td valign="top" width="28">5</td><td valign="top" width="93">Name of the FIR/CTA</td><td valign="top" width="266">YUCC AMSWELL FIRYUDD SHANLONFIR/UIRUIRFIR/UIRYUDD SHANLON CTA</td><td valign="top" width="218">YUCC AMSWELL FIR/2YUDD SHANLON FIR</td></tr><tr><td valign="top" width="28">6</td><td colspan="3" valign="top" width="576">IF THE SIGMET IS TO BE CANCELLED, SEE DETAILS AT THE END OF THE TABLE.</td></tr><tr><td valign="top" width="28">7</td><td valign="top" width="93">Status indicator</td><td valign="top" width="266">TESTEXER</td><td valign="top" width="218">TESTEXER</td></tr><tr><td valign="top" width="28">8</td><td valign="top" width="93">Phenomenon</td><td valign="top" width="266">OBSC TSOBSC TSGREMBD TSEMBD TSGRFRQ TSFRQ TSGRSQL TSSQL TSGRTC GLORIA PSN N10 W060 CBTC NN PSN S2030 E06030 CBSEV TURBSEV ICESEV ICE (FZRA)SEV MTWHVY DSHVY SSVA ERUPTION MTASHVAL PSN S15 E073VA CLDRDOACT CLD </td><td valign="top" width="218">SFC WIND 310/40KTSFC VIS 1500M (BR)ISOL TSISOL TSGROCNL TSOCNL TSGRMT OBSCBKN CLD 400/3000FTBKN CLD 1000/5000FTBKN CLD SFC/ABV10000FTOVC CLD 900/ABV10000FTOVC CLD 1000/5000FTOVC CLD SFC/ABV10000FTISOL CBOCNL CBFRQ CBISOL TCUOCNL TCUFRQ TCUMOD TURBMOD ICEMOD MTW</td></tr><tr><td valign="top" width="28">9</td><td valign="top" width="93">Observed or forecast phenomenon</td><td colspan="2" valign="top" width="484">OBSOBS AT 1210ZFCSTFCST AT 1815Z</td></tr><tr><td valign="top" width="28">10</td><td valign="top" width="93">Location</td><td colspan="2" valign="top" width="484">N2020 W07005N48 E010S60 W160S0530 E16530N OF N50S OF N5430N OF S10S OF S4530W OF W155E OF W45W OF E15540E OF E09015N OF N1515 AND W OF E13530S OF N45 AND N OF N40N OF LINE S2520 W11510 – S2520 W12010SW OF LINE N50 W005 – N60 W020SW OF LINE N50 W020 – N45 E010 AND NE OF LINE N45 W020 – N40 E010WI N6030 E02550 – N6055 E02500 – N6050 E02630 – N6030 E02550ENTIRE FIRENTIRE UIRENTIRE FIR/UIRENTIRE CTAWI 400KM OF TC CENTREWI 250NM OF TC CENTREWI 30KM OF N6030 E02550</td></tr><tr><td valign="top" width="28">11</td><td valign="top" width="93">Level</td><td colspan="2" valign="top" width="484">SFC/FL070FL180FL050/080TOP FL390ABV FL250TOP ABV FL100TOP FL500TOP ABV FL500TOP BLW FL450SFC/10000FT8000FT6000/12000FTABV 7000FTTOP ABV 9000FTTOP ABV 10000FT10000FT/FL2503000MSFC/3000M2000/3000M2000M/FL150</td></tr><tr><td valign="top" width="28">12</td><td valign="top" width="93">Movement or expected movement</td><td colspan="2" valign="top" width="484">MOV SEMOV NNWMOV E 20KTMOV WSW 20KT(MOV E 40KMH)STNR</td></tr><tr><td valign="top" width="28">13</td><td valign="top" width="93">Changes in intensity</td><td colspan="2" valign="top" width="484">INTSFWKNNC</td></tr><tr><td valign="top" width="28">14</td><td valign="top" width="93">Forecast time</td><td valign="top" width="266">FCST AT 2200Z</td><td valign="top" width="218">—</td></tr><tr><td valign="top" width="28">15</td><td valign="top" width="93">TC forecast position</td><td valign="top" width="266">TC CENTRE PSN N1030 E16015TC CENTRE PSN N1015 E15030 CB</td><td valign="top" width="218">—</td></tr><tr><td valign="top" width="28">16</td><td valign="top" width="93">Forecast position</td><td valign="top" width="266">N30 W170N OF N30S OF S50 AND W OF E170S OF N46 AND N OF N39NE OF LINE N35 W020 – N45 W040 SW OF LINE N48 W020 – N43 E010 AND NE OF LINE N43 W020 – N38 E010WI N20 W090 – N05 W090 – N10 W100 – N20 W100 – N20 W090ENTIRE FIRENTIRE UIRENTIRE FIR/UIRENTIRE CTANO VA EXPWI 30KM OF N6030 E02550WI 150NM OF TC CENTRE</td><td valign="top" width="218">—</td></tr><tr><td valign="top" width="28">17</td><td valign="top" width="93">Repetition of elements</td><td valign="top" width="266">AND</td><td valign="top" width="218">—</td></tr><tr><td valign="top" width="28"></td><td colspan="3" valign="top" width="576">OR</td></tr><tr><td valign="top" width="28">18</td><td valign="top" width="93">Cancellation of SIGMET/ AIRMET</td><td valign="top" width="266">CNL SIGMET B04 101200/101600CNL SIGMET A07 251030/251430 VA MOV TO YUDO FIR</td><td valign="top" width="218">CNL AIRMET 5 151520/151800</td></tr></table>