Block I Meteorology III Obj B

These Semi-Permanent circulations are associated with poor weather

This is associated with a small amplitude and large wavelength

In the Northern hemisphere, the _____ oriented mountain ranges in Asia create a _____ long-wave pattern.

Barotropic systems move less than 240 miles or four degrees per day, they may remain stationary, or they can retrograde.

Semi-permanent macroscale pressure system with convergence aloft and divergence on the surface; associated with good wx

Equatorward extension of cA airmass; comes from low height center above the __________

Macroscale air masses are only associated with semi-permanent highs

A ___________ is the poleward extension of a mT airmass from ____________

This macroscale air mass contains moist, warm air that has a weaker intensity and smaller expanse during the winter

In the Northern hemisphere, the _____ oriented mountain ranges in North America create a _____ long-wave pattern.

The Icelandic Low during winter is located _________ and during summer is located _________

These upper air features are observed between 23.5° N and 66.5° N latitude

Closed anticylconic circulation on the Earth's surface surrounded by lower pressure

This semi-permanent system is found near 30 N and 30 S in the Ferrell cell

Wavelength for longwave troughs and ridges

Two types of macroscale air masses:

Equatorial Lows migrate to the N. hemisphere in the Winter and the S. hemisphere in the Summer

In the Ferrel Cell, the chimney effect at 60° N and 60° S creates ______. These are associated with _____ weather.

Closed cyclonic circulation in the upper atmosphere surrounded by higher heights

An area where airflow changes from cyclonic to anticyclonic, or vice-versa

A meridional Long-Wave pattern has primarily ____________ flow and parallels ___________ lines

These systems have isotherms and contours nearly parallel to each other; vertically stacked

Open anticyclonic circulation in the upper atmosphere

Open cyclonic circulation in the upper atmosphere