What does OCNL mean in weather?
Term | Contraction | Duration |
---|---|---|
occasional | OCNL | greater than 50 percent probability of the phenomena occurring but for less than one-half of the forecast period or a prescribed time span within the period |
What is considered predominant weather?
Predominant Weather (Wx)
The expected weather (precipitating or non-precipitating) valid at the indicated hour. The weather element includes type, probability, and intensity information.
What does VR mean in wind speed?
A wind direction of VR indicates a variable wind direction during the hour.
Why does WX mean weather?
Back when the only form of communication was the telegraph and radio. People used morse code and they used lots of shorthand or abbreviations. … Even though, not many people use morse code the abbreviation stuck. So WX means weather and my Twitter name and blog are wxbrad which really is shorthand for Weather Brad.
What does OCNL mean on NOAA?
Yes, Ocnl = Occasional, Lkly = Likely, Chc = Chance, &, Schc = Slight chance.
What does occasional rain showers mean?
When we call for “Rain” (as in, “Rain at Times”, “a rainy day”, “Occasional rain”) is a more widespread event. Most, if not all, of the area will see rain and it”ll last for a while. “Showers” are more scattered. That usually means that not everyone will be getting wet at the same time.
How do you read aeronautical weather reports?
The first two digits are the date, the 16th of the month, and the last four digits are the time of the METAR, which is always given in coordinated universal time (UTC), otherwise known as Zulu time. A “Z” is appended to the end of the time to denote that the time is given in Zulu time (UTC) as opposed to local time.
How do you read an aviation weather chart?
I got this one from there. And you can propagate this kind of charge there as well or you can just
How do you get aviation weather?
The FAA has established a universal toll-free telephone number for FSSs: 1–800–WX–BRIEF (1–800–992–7433). Before contacting Flight Service, you should have the general route of flight worked out. When you reach Flight Service, you will first hear a recorded announcement, followed by instructions.
What does snow period mean?
Snow refers to the partially frozen water vapor which falls in flakes. The expression snow flurries refers to light, intermittent snowfall without significant accumulation. … Snow showers is the label used to refer to a short period of light-to-moderate snowfall, also characterized by a sudden beginning and ending.
Is humidity a weather or climate?
People generally think of weather as the combination of temperature, humidity, precipitation, cloudiness, visibility, and wind. … Climate is the weather of a place averaged over a period of time, often 30 years.
Can wind speed ever be zero?
Usually, in weather observations, a wind speed that rounds off to zero is reported as “Calm,” and that way no direction is given. However, it is possible for wind speed to be very slight, say one third of a mile per hour.
What is WZ?
WZ may refer to: WZ sex-determination system, also known as the ZW sex-determination system. WZ theory, a technique for simplifying certain combinatorial summations in mathematics. Eswatini (FIPS 10-4 country code WZ)
What does DURD mean in a Pirep?
D | |
---|---|
DABRK | DAYBREAK |
DURC | DURING CLIMB (PIREP) |
DURD | DURING DECENT (PIREP) |
DVV | DOWNWARD VERTICAL VELOCITY |
What does De mean in Morse code?
Abbreviation | Meaning | Defined in |
---|---|---|
CS | Call sign (used to request a call sign) | ITU-R M.1172 |
DE | From (or “this is”) | ITU-R M.1172 |
DX | Distance (sometimes refers to long distance contact), foreign countries | |
FM | From |