What is BLSN in Metar?

What is BLSN in Metar?

Blowing snow can come from falling snow or snow that already accumulated on the ground but is picked up and blown about by strong winds. It is one of the classic requirements for a blizzard. Its METAR code is BLSN. If the snow remains below 1.8 m (6 ft), it will be called drifting snow (METAR code DRSN).

What does BLSN mean?

BLSN. Light snow. Blowing snow. Present weather is comprised of weather phenomena (precipitation, obscuration, or other) preceded by one or two qualifiers (intensity or proximity to the station and descriptor).

What is blowing snow called?

Drifting snow, like blowing snow, is defined as snow lifted from the surface by the wind. The key difference is that the lifted snow remains below 8 feet.

What is it called when heavy winds pick up fallen snow?

Sometimes strong winds pick up snow that has already fallen, creating a ground blizzard. An ice storm is a storm which results in the accumulation of at least .

What does MIFG mean in a TAF?

MIFG. More or less continuous shallow fog. VCTS. Vicinity thunderstorm.

What does VV001 mean?

If the sky above the aerodrome is obscured and cloud coverage cannot be easily determined, (VV) Vertical Visibility in hundreds of feet is provided, e.g. VV001 would mean the vertical visibility is 100 feet. Temperature / Dewpoint.

What are 5 types of snow crystals?

List Five Kinds of Snow Crystals

  • Simple Prisms. A simple prism is a hexagonal (six-sided) snow crystal.
  • Stellar Plates. Stellar plates are flat snow crystals that have six arms stretching out from a hexagonal center.
  • Needles. Needles are an interesting type of snow crystal.
  • Stellared Dendrites.
  • Fernlike Stellar Dendrites.

What is hard snow called?

A crust is a hard snow surface lying upon a softer layer, formed by sun, rain, or wind.

What was the deadliest blizzard in history?

Iran blizzard of February 1972
The Iran blizzard of February 1972 was the deadliest blizzard in history. A week-long period of low temperatures and severe winter storms, lasting 3–9 February 1972, resulted in the deaths of over 4,000 people.

What is a strong snow storm called?

A blizzard is a severe snowstorm defined by the strength of the winds rather than the amount of snow it brings. With wind speeds at or above 35mph, blizzards create blowing snow conditions, where snow on the ground is picked up by the wind, causing reduced visibility and the accumulation of snowdrifts.

What does +Tsra mean aviation?

N O A A N A T I O N A L W E A T H E R S E R V I C E

METAR Code Description
GR Moderate to heavy showers with hail, not with thunder
Thunderstorms
TSRA Light to moderate thunderstorm with rain
TSGR Light to moderate thunderstorm with hail

What does METAR stand for?

Aviation Routine Weather Report
METAR is the international standard code format for hourly surface weather observations which is analogous to the SA coding currently used in the US. The acronym roughly translates from French as Aviation Routine Weather Report.

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