PART 1 TABLE OF CONTENTS - COMPUTER Electronic Delivery of Certain Weather Products Addendum Addendum 1. High Risk Municipalities (HRM) Electronic Delivery of Selected Weather Service Products Sequence For Forcing A Connection From An HRM Sequence For Forcing A Connection From A Base Station. Sequence To Power Down/Power Up An HRM PC Following Comms Port/Modem Freeze Up PART 2 TABLE OF CONTENTS - HYDROLOGY Purpose Introduction Types of Floods Causes of Floods Sources of Flood Information and Guidance From the National Weather Service Types of Hydrologic Information Issued to the PFWS Probability, Recurrence Interval (Return Period) and Frequency Effects of Wind on the Rainfall Catch Glossary of Hydrologic Terms References Figures Figure 1. New Jersey Flood Forecast Points Figure 2. Effects of Rainfall Intensity on a Basin Figure 3. Criteria and Headers for Issuance of Hydrologic Watches and Warnings Figure 4. Flood Frequency Curve - Passaic River Nr. Chatham, NJ Appendix Appendix 1. High Risk Municipalities, Base Stations, and Other Sites (Update 3/11/98) Appendix 2. County Flash Flood Guidance for New Jersey Appendix 3. Head Water Statements for New Jersey Streams (Update 3/20/98) Appendix 4. Dam Failure-Potential Dam Failure Appendix 5. NJ IFLOWS Radio Networks (New 3/20/98) Addendum 1. National Flood Insurance Program (New 3/20/98) Additional Figures Passaic River @ Little Falls, NJ Ramapo River Nr Mahwah, NJ Ramapo River @ Pompton Lakes, NJ Saddle River @ Lodi, NJ State of NJ Dept. of Envir. Prot. INUNDATION MAP