What does up mean in a METAR?
Any idea what the contraction “UP” stands for? That is “unknown precipitation”. You’ll see another mention of unknown precipitation near the end of the report, “UPB26” That means that the unkown precipitation began at 26 past the hour and in the case of the METAR quoted above, that would be 1126Z.
What is visibility in METAR?
Visibility. The visibility shown in the METAR is an average, minimum visibility. 5000 means visibility is 5000 meters. If visibility is less than 1000 meters, the number will be added to 4 characters. This is to avoid confusion with the imperial system.
Where is visibility in a METAR?
The visibility is reported by four figures. When visibility is 10 km and above and the conditions for the use of CAVOK do not apply, visibility shall be indicated as 9999. When visibility is below 50m, visibility shall be indicated as 0000.
What are the types of visibility in METAR?
Reporting Prevailing Visibility: Surface (horizontal) visibility is reported in METAR reports in terms of statute miles and increments thereof; e.g., 1/16, 1/8, 3/16, 1/4, 5/16, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1 1/8, etc.
What does WX mean?
If you don’t already know WX is morse code shorthand for the word weather. So it is commonly used as the abbreviation for the word weather. Brief history lesson here: In 1836, Samuel Morse(pictured left) demonstrated the ability of a telegraph system to transmit information over wires.
WHO issues SIGMETs?
NWS has four Meteorological Watch Offices which issue SIGMETs: the National Centers for Environmental Prediction Aviation Weather Cen- ter (AWC), Alaskan Aviation Weather Unit (AAWU), the Honolulu Forecast Office and the Guam Forecast Office.
What is TL in METAR?
The time group GGgg is followed by one of the letter indicators FM (from), or TL (until) or AT (at) for TT to indicate the beginning (FM) or the end (TL) of a forecast change, or the time (AT) at which a specific forecast conditions(s) is(are) expected (in hours and minutes for GGgg) the change is expected to occur.
What is NSC in METAR?
When there are no clouds of operational significance to report, no CB or TCU and CAVOK is not appropriate, the abbreviation NSC (No Significant Cloud) is used.
What is LVP in aviation?
Low Visibility Procedures (LVP). The measures required to support safe operations at an aerodrome in Low Visibility Conditions (LVC). Manoeuvring Area That part of an aerodrome to be used for the take- off, landing and taxiing of aircraft, excluding aprons.
What is Winter WX?
If you don’t already know WX is morse code shorthand for the word weather. So it is commonly used as the abbreviation for the word weather.
What does DURD mean in a Pirep?
DURING DECENT
Weather Abbreviations
| D | |
|---|---|
| DABRK | DAYBREAK |
| DURC | DURING CLIMB (PIREP) |
| DURD | DURING DECENT (PIREP) |
| DVV | DOWNWARD VERTICAL VELOCITY |
Do you need to know the METAR for flight?
Aviation Routine Weather Reports (METARs) are a must for every flight, but for something so vital they are difficult to read. Even programs like Foreflight don’t decode all of the METAR.
Where can I get my METARS and TAFs?
Where to get METARs and TAFs There are two primary places to get METARs and TAFs: NOAA’s aviation weather site or an aviation app on your smart device. I personally use Foreflight. It is hands down the most advanced aviation and weather flight planning tool out there.
How is a METAR similar to a SPECI message?
A METAR is a codified observation message indicating an airfield weather conditions observed at a given time. Such a message is established every hour. A SPECI message is identical to a METAR but is established punctually instead of regularly.
What does VV or VV / / / mean in a METAR?
What does VV or VV/// mean in a METAR? VV refers to “vertical visibility” and means the sky is obscured by surface-based phenomenon (e.g. fog); the three digits that follow VV indicate the height in hundreds of feet.