Which of the following statements is not true?

a. All classes at kindergarten and elementary level are suspended for PSWS 1

b. All classes in all levels (including college and graduate schools) are suspended for PSWS 3

c. A red color in the color-coded rainfall warning system alerts communities for possible evacuation.

d. PSWS 1 means that the storm has a wind speed of about 30km/h to 60km/h which may occur within 36 hours.