Johanna and Paige are visiting their grandparents in Fort Lauderdale in June. The girls think that it is
always hot and sunny, but their grandparents tell them to bring an umbrella with them when they leave
the house because it will rain in the afternoon. How do their grandparents know that it might rain in the
afternoon?
A. The warm humid air will cool and condense when the sun goes down.
B. The air pressure and temperature were rising all week long.
C. The humidity and windspeed were dropping all week long.
D. The winds were getting stronger and the temperature was rising.