TRAINING - A progression of many regions of precipitation over the same area. Causes high precipitation totals because one storm cloud passes and is replaced by others over a given area.
Heliotropic wind A subtle, diurnal component of the wind velocity leading to a diurnal shift of the wind or turning of the wind with the sun, produced by the east-to-west progression of daytime surface heating. Helium (He) An inert gas.
The MJO is characterized by an eastward progression of large regions of both enhanced and suppressed tropical rainfall, observed mainly over the Indian Ocean and Pacific Ocean.
Decision nodes determine the order of progression through the graph. The leaves of the tree are all possible outcomes or classifications, while the root is the final outcome (for example, a weather prediction or climate classification).
the airflow meanders a long way north and south around the loops of the pattern, crossing many parallels of latitude in a relatively limited longitudinal range: a 'meridional' type; Usually, some west-to-east progression of the looped pattern can be ...
We have witnessed the progression from severe multicell storm to supercell when a secondary updraft in the flanking line blossomed into a rotating updraft.
Blocking system A cutoff cyclone or anticyclone that blocks the usual west-to-east progression of weather systems.
This feature is also called a "blocking high" because it prevents the normal progression of weather systems and fronts from west to east. Omega highs are more prevalent in the spring, summer, and fall than they are during the winter months.
 See also: Observation, Latitude, Normal, Surface, Wind
  
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