Glossary
Clouds (amount)
- FEW: few
- SCT: scattered
- BKN: broken (defines ceiling)
- OVC: overcast (defines ceiling)
Clouds (type)
- CB: cumulonimbus (thunderstorm/severe weather)
- TCU: towering cumulus (convective potential)
Common phenomena
- RA: rain
- DZ: drizzle
- TS: thunderstorm
- BR: mist
- FG: fog
- HZ: haze
- Prefixes:
-light, no sign moderate,+heavy
Wind
- VRB: variable direction
- G: gusts
- xxxVyyy: directional variation
Visibility
- 9999: 10 km or more (in the convention used in the messages)
Pressure
- Q1016: QNH 1016 hPa
Complete references
For extensive lists of aeronautical abbreviations, consult the eAIP (GEN) in the official references.
Country and Territory Codes in SIGMET Format
| Code | Country / Territory | Code | Country / Territory | Code | Country / Territory | Code | Country / Territory |
|---|---|---|---|---|---|---|---|
| AB |  Albania | AG |  Argentina | AH |  Afghanistan | AI |  Ascension Island |
| AJ |  Azerbaijan | AK |  Alaska (USA) | AL |  Algeria | AN |  Angola |
| AT |  Antigua and Barbuda | AU |  Australia | AY |  Armenia | AZ |  Azores |
| BA |  Bahamas | BC |  Botswana | BD |  Brunei | BE |  Bermuda |
| BH |  Belize | BI |  Burundi | BJ |  Benin | BK |  Banks Islands |
| BM |  Myanmar | BN |  Bahrain | BO |  Bolivia | BR |  Barbados |
| BU |  Bulgaria | BV |  Bouvet Island | BW |  Bangladesh | BX |  Belgium and Luxembourg |
| BY |  Belarus | BZ |  Brazil | CD |  Chad | CE |  Central African Republic |
| CG |  Congo | CH |  Chile | CI |  China | CM |  Cameroon |
| CN |  Canada | CO |  Colombia | CR |  Canary Islands (Spain) | CS |  Costa Rica |
| CT |  Canton Island | CU |  Cuba | CV |  Cape Verde | CY |  Cyprus |
| CZ |  Czech Republic | DJ |  Djibouti | DL |  Germany | DN |  Denmark |
| DO |  Dominica | DR |  Dominican Republic | EG |  Egypt | EO |  Estonia |
| EQ |  Ecuador | ER |  United Arab Emirates | ES |  El Salvador | ET |  Ethiopia |
| FA |  Faroe Islands | FG |  French Guiana | FI |  Finland | FJ |  Fiji |
| FK |  Falkland Islands | FP |  Saint Pierre and Miquelon | FR |  France | FW |  Wallis and Futuna |
| GB |  Gambia | GC |  Cayman Islands | GD |  Grenada | GE | Gough Island |
| GG |  Georgia | GH |  Ghana | GI |  Gibraltar | GL |  Greenland |
| GM |  Guam | GN |  Guinea | GO |  Gabon | GQ |  Equatorial Guinea |
| GR |  Greece | GU |  Guatemala | GW |  Guinea-Bissau | GY |  Guyana |
| HA |  Haiti | HE | Saint Helena | HK |  Hong Kong (China) | HO |  Honduras |
| HU |  Hungary | HV |  Burkina Faso | HW | Hawaiian Islands | IC |  Comoros |
| ID |  Indonesia | IE |  Ireland | IL |  Iceland | IN |  India |
| IQ |  Iraq | IR |  Iran | IS |  Israel | IV |  Côte d'Ivoire |
| IY |  Italy | JD |  Jordan | JM |  Jamaica | JP |  Japan |
| KA |  Caroline Islands | KB | Kiribati | KI |  Christmas Island | KK |  Cocos Islands |
| KN |  Kenya | KO |  South Korea | KP |  Cambodia | KR |  North Korea |
| KU |  Cook Islands | KW |  Kuwait | KY |  Kyrgyzstan | KZ |  Kazakhstan |
| LA |  Laos | LB |  Lebanon | LC |  Saint Lucia | LI |  Liberia |
| LJ |  Slovenia | LN | Southern Line Islands | LS |  Lesotho | LT |  Lithuania |
| LV |  Latvia | LY |  Libya | MA |  Mauritius | MB |  Marion Island |
| MC |  Morocco | MD | Madeira | MF | Saint Martin and Guadeloupe | MG |  Madagascar |
| MH |  Marshall Islands | MI |  Mali | MJ |  North Macedonia | MK |  Montenegro |
| ML |  Malta | MN |  Sint Maarten, Sint Eustatius and Saba | MO |  Mongolia | MR |  Martinique |
| MS |  Malaysia | MT |  Mauritania | MU |  Macao (China) | MV |  Maldives |
| MW |  Malawi | MX |  Mexico | MY |  Mariana Islands | MZ |  Mozambique |
| NC |  New Caledonia | NG |  Papua New Guinea | NI |  Nigeria | NK |  Nicaragua |
| NL | Netherlands | NM |  Namibia | NO | Norway | NP |  Nepal |
| NR |  Niger | NU |  Netherlands Antilles | NV | Vanuatu | NW |  Nauru |
| NZ |  New Zealand | OM |  Oman | OR |  South Orkney Islands | OS |  Austria |
| PF |  French Polynesia | PH |  Philippines | PI | Phoenix Islands | PK |  Pakistan |
| PL |  Poland | PM |  Panama | PO | Portugal | PR |  Peru |
| PT |  Pitcairn | PU |  Puerto Rico | PY |  Paraguay | QB |  Bosnia and Herzegovina |
| QT |  Qatar | RA |  Russia (East) | RE |  Réunion | RH |  Croatia |
| RM |  Moldova | RO |  Romania | RS | Russia (West) | RW |  Rwanda |
| SB |  Sri Lanka | SC |  Seychelles | SD |  Saudi Arabia | SG |  Senegal |
| SI |  Somalia | SK | Sarawak | SL |  Sierra Leone | SM |  Suriname |
| SN |  Sweden | SO |  Solomon Islands | SP | Spain | SQ |  Slovakia |
| SR |  Singapore | SU |  Sudan | SV |  Eswatini | SW |  Switzerland |
| SX | Santa Cruz Islands | SY |  Syria | SZ |  Svalbard Islands | TA |  Tajikistan |
| TC | Tristan da Cunha | TD |  Trinidad and Tobago | TG |  Togo | TH |  Thailand |
| TI |  Turks and Caicos Islands | TK |  Tokelau | TM |  Timor-Leste | TN |  Tanzania |
| TO |  Tonga | TP |  São Tomé and Príncipe | TR |  Turkmenistan | TS |  Tunisia |
| TU |  Turkey | TV |  Tuvalu | UG |  Uganda | UK |  United Kingdom |
| UR |  Ukraine | US | United States | UY |  Uruguay | UZ |  Uzbekistan |
| VG |  Saint Vincent and the Grenadines | VI |  Virgin Islands | VN |  Venezuela | VS |  Vietnam |
| YE |  Yemen | YG |  Serbia | ZA |  South Africa | ZB |  Zambia |
| ZM |  Samoa | ZR |  Democratic Republic of the Congo | ZW |  Zimbabwe |