Fig. 28.—Winds. Third Day.
Fig. 29.—Winds. Fourth Day.
Fig. 30.—Winds. Fifth Day.
Fig. 31.—Winds. Sixth Day.
B. Compare each map of the series with the map preceding it. Note what changes in direction and velocity have taken
place at individual stations. Group these changes as far as possible by the districts over which similar changes have occurred.