Weather, Climate and Environment
Course GE 172
Essentials of Meteorology 6th Edition C. Donald Ahrens
Weather: the condition of the atmosphere at any particular time and place
Climate: the average of daily an
1. The strong ENSO event does not necessarily cause a weaker flood in Cairo
because in 1899 the degree of Nile flooding was at its maximum of 5 meaning the
change (deviation) was a minimum of 1.48 meters.
2. The average time between below average fl
ordinary cell (air mass) thunderstorm ordinary thunderstorms that tend to form in areas
with low wind shear areas that do not abruptly change with increasing height above the
surface. They tend to form in along shallow zones where surface winds converge.
1. There is a lag in seasonal temperature, so the maximum mean air temperature
occurs weeks after the longest day of the year. The sunlight that hits the surface
of the earth is greatest on the longest day of the year (summer solstice) because it
1. In 2005, the earliest Hurricane was Hurricane Cindy and it lasted from July 3rd to
the 11th. The last hurricane, Hurricane Epsilon, lasted from November 29th
through December 9th. The first tropical depression, Tropical Storm Arlene,
Chapter 6 Atmospheric Pressure
Air Pressure is simply the mass of air above a given level.
Barometers an instrument that can detect and measure pressure changes (an
instrument that measures bars)
Millibar the unit of pressure most commonly found on surfac
CHAPTER 8 VOCAB
Air Mass- an extremely large body of air whose properties of temperature and humidity
are fairly similar in any horizontal direction at any given altitude.
Source Regions- Regions where air masses originate.
Continental arctic air mass- An
Jayber Crow- Jonah (real name)
Town renamed him jayber
Owns a barber shop
Town- Port William
Writing back as a memoir
Likes Mattie Keith when he was young, but shes married now
First 22 when he came to the town
His parents died in 1918 but used to grow up