Shunganunga Creek Flood Stage Changes

Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

Service Change Notice National Weather Service Topeka, KS 835 AM CDT Sat Apr 26 2025 To: Subscribers: -NOAA Weather Wire Service -Emergency Managers Weather Information Network -NOAAPort -Other NWS Partners, Users and Employees From: Kris Craven Meteorologist in Charge WFO Topeka, KS Subject: Changes to flood stage categories for the Shunganunga Creek at Topeka, KS. Beginning on Tuesday, June 2, 2025, all flood stage categories for the Shunganunga Creek at Topeka, KS at 21st Street, TSHK1, will be lowered. Recent review of past floods indicated that flooding occurred at lower stages than the existing flood categories. In order to represent the flood impacts more accurately along the Shunganunga Creek, the flood categories will be lowered. These changes have been coordinated with the USGS and Shawnee County Emergency Management. Previous New Action/Flood Issuance Stage 19.0 11.0 Minor Flood Stage 24.0 16.0 Moderate Flood Stage 28.0 17.0 Major Flood Stage 35.0 22.0 If you have additional questions or comments on this change in service, please contact: Scott Watson Service Hydrologist scott.watson@noaa.gov