Webinar Wednesday - Rational Method for Peak Flow Estimation

  • 12 Jun 2019
  • 12:00 PM - 1:00 PM
  • Online


  • Member of PSLS
  • Not a member of PSLS
  • Member of a professional organization in the Geospatial industry such as NSPS, PSPE, PCPG, etc. Contact sdreese@wannerassoc.com for code.

Wednesday Webinar 

Rational Method for Peak Flow Estimation

Presented by: Thomas A. Seybert

Date: June 12, 2019

Time: 12:00 PM


  • PSLS Members: $40
  • Non-Members: $60
  • Member of  Other  Professional Organization: $40

CE Credits: 1 PDH

Course Description:

This webinar provides an overview of the Rational peak flow equation. Topics include selection of runoff coefficients, computation of the watershed time of concentration, selection of the critical rainfall intensity and the application of the method through an example problem. The outcomes of the webinar include knowing how to select runoff coefficients, understanding the role of time of concentration, knowing how to determine the critical rainfall intensity and knowing how to apply the Rational equation to a watershed.


THOMAS A. SEYBERT, PE, Ph.D. is Professor Emeritus of Engineering at Penn State Wilkes-Barre. He was responsible for the delivery of the stormwater management and land development courses in the Surveying Engineering program. He was also responsible for the plane surveying course taught to both associate and baccalaureate degree students. His research and consulting interests include mitigation of stormwater runoff issues and watershed protection planning. He is the author of the book Stormwater Management for Land Development Design, second edition. He is actively involved in continuing and distance education efforts in stormwater management for both surveyors and engineers.

Note: Members of other Professional societies such as PSPE, NSPS, ACSM, or other state surveying societies may register at the discounted price. In order to receive the necessary code, registrants must contact PSLS with proof of membership. Please email Shelly Dreese at sdreese@wannerassoc.com or call 717-441-6057, ext. 130.

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