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Meteorology
The Meteorology wiki currently has 12 pages. The last time a page was edited in this wiki was July 1, 2020 at 10:18. To link to pages in this wiki from other wikis use the wiki reference [met:page_name]. The full reference for any page can be found at the top of that page. This wiki can be sent to you as a wiki book.
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Abbreviations
Symbols A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
| Symbols | |
| + | heavy |
| - | light |
| // | missing weather data |
| missing visibility data | |
| missing cloud data | |
| A | |
| B | |
| BC | patches of |
| BECMG | becoming |
| BKN | broken (5 to 7 oktas) |
| BL | blowing |
| BR | mist |
| BY | blowing spray |
| C | |
| D | |
| D | (after an RVR reading) RVR deteriorating |
| DR | drifting |
| DS | dust storm |
| DU | dust |
| DZ | drizzle |
| E | |
| F | |
| FC | funnel clouds |
| +FC | tornado / water spout |
| FEW | few (1 to 2 oktas) |
| FG | fog |
| FM | from |
| FU | smoke |
| FZ | freezing |
| G | |
| GR | hail |
| GS | small hail pellets |
| H | |
| HZ | haze |
| I | |
| IC | ice crystals |
| INTER | intermittent variations of periods < 30 min in a hour |
| J | |
| K | |
| L | |
| M | |
| M | (after an RVR reading) value is below the minimum readable |
| MI | shallow |
| N | |
| N | (after an RVR reading) no significant change during the period of observation |
| NCD | nil cloud detected |
| NDV | no directional variation |
| NSC | nil significant cloud |
| NSW | no significant weather |
| O | |
| OVC | overcast (8 oktas) |
| P | |
| P | (after an RVR reading) value is above the maximum readable |
| PL | ice pellets |
| PO | dust devils |
| PR | partial |
| PROB | probability |
| PY | spray |
| Q | |
| R | |
| RA | rain |
| RE | recent (eg. RERA = recent rain) |
| RFxx.x/yyy.y | rainfall: xx.x mm in last 10 minutes, yyy.y mm since 0900 local |
| RFxx.x/yyy.y/zzz.z | rainfall: xx.x mm in last 10 minutes, yyy.y mm in last 60 minutes, zzz.z mm since 0900 local |
| S | |
| SA | sand |
| SCT | scattered (3 to 4 oktas) |
| SG | snow grains |
| SH | showers |
| SKC | sky clear |
| SN | snow |
| SQ | squalls |
| SS | sand storm |
| T | |
| TEMPO | temporary variations of periods of 30 min to < 60 min |
| TS | thunderstorms |
| U | |
| U | (after an RVR reading) RVR improving |
| UP | unknown precipitation |
| V | |
| VC | in the vicinity |
| VA | volcanic ash |
| W | |
| WS | windshear |
| X | |
| Y | |
| Z | |
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