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Block (meteorology)

Blocks in meteorology are large-scale patterns in the atmospheric pressure field that are nearly stationary, effectively "blocking" or redirecting migratory cyclones. They are also known as blocking highs or blocking anticyclones. These blocks can remain in place for several days or even weeks, causing the areas affected by them to have the same kind of…

Regions, Midlatitude cold waves & Cut-off highs and lows

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Overview

Impact of the polar vortex

Omega blocks

Rex blocks

Cut-off highs and lows

Blocking high

Cold air damming

Midlatitude cold waves

Heat waves

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Block (meteorology)

Nodes63
Edges62
Triples26
Avg. degree1.97
Density0.031746
Components1

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Important terminology

blocking high air blocks northern cold weather polar heat hemisphere low system block pressure highs waves cyclones southern jet australia

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
heat wavesinstance ofWhile these events are linked to the occurrence of extreme weather events0.80text
the onsetinstance ofWhile these events are linked to the occurrence of extreme weather events0.80text
decay in particular of these events is still not well captured in numerical weather forecastsinstance ofWhile these events are linked to the occurrence of extreme weather events0.80text
1683/84instance ofcold winters0.80text
1739/40instance ofcold winters0.80text
1794/95instance ofcold winters0.80text
1829/30instance ofcold winters0.80text
1894/95instance ofcold winters0.80text
1916/17instance ofcold winters0.80text
1941/42instance ofcold winters0.80text
February 1947instance ofcold winters0.80text
1962/63 are almost always associated with high latitude Atlantic blockinginstance ofcold winters0.80text

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