At any given time of year, the sun's declination is between the Tropics of Cancer and Capricorn. Hello, Here is the URL of an excellent web page that summarizes biases in the computer models forecasters use in making their predictions. Hello, Here are three wonderful animations of the 500mb level over the next 48 hours. Generally, the higher the vorticity, the greater the strength of the upper level disturbance and the potential for precipitation. Cold air usually follows the passage of these types of disturbances.
Temperatures are key as well to what happens on the surface.
I will post the titles of the talks and distribute a paper related to the talks in the nextfew days. Wednesday, Feb. 16 Denniston Thursday, Feb. 24 More later. Hello, The next assignment involves drawing a topographic profile of a 500mb surface during a recent Arctic outbreak. This exercise should help you develop a better sense of the meaning of a 500mb map. Hello, Here is a short interesting article in the Feb 14 issue of Science on Climate Change during the last interglacial.