The word "exceeded" in paragraph 1 most probably means ______.

A．the computer is not used to forecast specific local events
B．the computers are not advanced enough to predict it
C．the weather data people collect are often wrong
D．weather conditions in some small regions are not available

A．a tornado in Edmonton, Alberta
B．what's a "Nowcast"
C．the disadvantage of conventional computer models of the weather forecast
D．a breakthrough in weather forecast