Pre-Test: What I Know I. Check or Cross. Read the given statements. Put a check mark (/) before the number if the statement refers to the role of PAGASA. If not, write a cross mark (X). Do this on a separate paper. 1. Monitors atmospheric condition within the PAR 2. Measures the magnitude and intensity of earthquakes 3. Provides typhoon warnings 4. Provides public storm warning signals 5. Provides public weather forecasts and advisories