Temperature. Temperature=average KE of molecules , or average speed of molecules: . Warm air is less dense, cool air is more dense. Temperature Scales. Kelvin scale. Based on absolute zero—temperature at which all motion stops -273 o C= -459 o F= 0 o K Centigrade (Celsius)
Warm air is less dense, cool air is more dense
oC*1.8 + 32=oF
Isotherms: Lines of equal
23 Jun. 2007
Remember that temperature decreases with height in the troposphere
Temp A > Temp B
Temp C >Temp B
Know and understand figure2-11 and 2-12 on p.44
12 hour day everywhere
Check out the wind
Chill chart on
How does the nighttime temperature profile change on a windy night?
Impact of clouds on daily temperature from sun each year—opposite in the lower latitudes
During the nighttime, clouds
Cause outgoing longwave radiation
To be trapped. Therefore
Temperature is warmer than on a
During the day solar radiation is blocked by clouds
Therefore temperature is cooler at the surface than
On a clear day.
Land vs. coast from sun each year—opposite in the lower latitudes
Water holds heat longer therefore it heats up slower and cools down slower than
If you live near a large body of water, it will act like insulation.
During the day, water will heat slowly
And take heat away from the coastal
During the night, water will release heat
slowly and keep the coastal city warmer.
Temp Ft. Walton Beach < Temp. Crestview
Temp Ft. Walton Beach > Temp. Crestview
Forecast: Cooler or Warmer?? from sun each year—opposite in the lower latitudes