Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left Home News Organization
Bookmark and Share Navigation Bar End Cap

  

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
    User Guide
    User Brochure

What is AHPS?
    Facts
    Our Partners

Feedback/Questions
    Provide Feedback
    Ask Questions

When flooded turn around don't drown
FloodSmart
USA.gov Official Web Portal
 
Hydrograph River at a Glance Download
East Branch Brandywine Creek below Downingtown Stage (ft)Flow (kcfs)Observed: 2.91 ft at 5:30PM Aug 11, 2020Observed: 2.91 ft at 5:45PM Aug 11, 2020Observed: 2.92 ft at 6:00PM Aug 11, 2020Observed: 2.9 ft at 6:15PM Aug 11, 2020Observed: 2.91 ft at 6:30PM Aug 11, 2020Observed: 2.91 ft at 6:45PM Aug 11, 2020Observed: 2.89 ft at 7:00PM Aug 11, 2020Observed: 2.9 ft at 7:15PM Aug 11, 2020Observed: 2.9 ft at 7:30PM Aug 11, 2020Observed: 2.9 ft at 7:45PM Aug 11, 2020Observed: 2.9 ft at 8:00PM Aug 11, 2020Observed: 2.9 ft at 8:15PM Aug 11, 2020Observed: 2.9 ft at 8:30PM Aug 11, 2020Observed: 2.89 ft at 8:45PM Aug 11, 2020Observed: 2.89 ft at 9:00PM Aug 11, 2020Observed: 2.89 ft at 9:15PM Aug 11, 2020Observed: 2.9 ft at 9:30PM Aug 11, 2020Observed: 2.88 ft at 9:45PM Aug 11, 2020Observed: 2.88 ft at 9:46PM Aug 11, 2020Observed: 2.88 ft at 10:00PM Aug 11, 2020Observed: 2.89 ft at 10:15PM Aug 11, 2020Observed: 2.9 ft at 10:30PM Aug 11, 2020Observed: 2.88 ft at 10:45PM Aug 11, 2020Observed: 2.89 ft at 11:00PM Aug 11, 2020Observed: 2.88 ft at 11:15PM Aug 11, 2020Observed: 2.89 ft at 11:30PM Aug 11, 2020Observed: 2.89 ft at 11:45PM Aug 11, 2020Observed: 2.88 ft at 12:00AM Aug 12, 2020Observed: 2.87 ft at 12:15AM Aug 12, 2020Observed: 2.88 ft at 12:30AM Aug 12, 2020Observed: 2.89 ft at 12:45AM Aug 12, 2020Observed: 2.88 ft at 1:00AM Aug 12, 2020Observed: 2.88 ft at 1:15AM Aug 12, 2020Observed: 2.87 ft at 1:30AM Aug 12, 2020Observed: 2.87 ft at 1:45AM Aug 12, 2020Observed: 2.87 ft at 2:00AM Aug 12, 2020Observed: 2.87 ft at 2:15AM Aug 12, 2020Observed: 2.85 ft at 2:30AM Aug 12, 2020Observed: 2.87 ft at 2:45AM Aug 12, 2020Observed: 2.88 ft at 3:00AM Aug 12, 2020Observed: 2.87 ft at 3:15AM Aug 12, 2020Observed: 2.87 ft at 3:30AM Aug 12, 2020Observed: 2.87 ft at 3:45AM Aug 12, 2020Observed: 2.87 ft at 4:00AM Aug 12, 2020Observed: 2.87 ft at 4:15AM Aug 12, 2020Observed: 2.87 ft at 4:30AM Aug 12, 2020Observed: 2.87 ft at 4:45AM Aug 12, 2020Observed: 2.86 ft at 5:00AM Aug 12, 2020Observed: 2.86 ft at 5:15AM Aug 12, 2020Observed: 2.86 ft at 5:30AM Aug 12, 2020Observed: 2.86 ft at 5:45AM Aug 12, 2020Observed: 2.86 ft at 6:00AM Aug 12, 2020Observed: 2.85 ft at 6:15AM Aug 12, 2020Observed: 2.85 ft at 6:30AM Aug 12, 2020Observed: 2.85 ft at 6:45AM Aug 12, 2020Observed: 2.86 ft at 7:00AM Aug 12, 2020Observed: 2.85 ft at 7:15AM Aug 12, 2020Observed: 2.85 ft at 7:30AM Aug 12, 2020Observed: 2.85 ft at 7:45AM Aug 12, 2020Observed: 2.85 ft at 8:00AM Aug 12, 2020Observed: 2.85 ft at 8:15AM Aug 12, 2020Observed: 2.85 ft at 8:30AM Aug 12, 2020Observed: 2.85 ft at 8:45AM Aug 12, 2020Observed: 2.85 ft at 9:00AM Aug 12, 2020Observed: 2.85 ft at 9:15AM Aug 12, 2020Observed: 2.86 ft at 9:30AM Aug 12, 2020Observed: 2.85 ft at 9:45AM Aug 12, 2020Observed: 2.85 ft at 10:00AM Aug 12, 2020Observed: 2.86 ft at 10:15AM Aug 12, 2020Observed: 2.85 ft at 10:30AM Aug 12, 2020Observed: 2.86 ft at 10:45AM Aug 12, 2020Observed: 2.86 ft at 11:00AM Aug 12, 2020Observed: 2.86 ft at 11:15AM Aug 12, 2020Observed: 2.85 ft at 11:30AM Aug 12, 2020Observed: 2.86 ft at 11:45AM Aug 12, 2020Observed: 2.85 ft at 12:00PM Aug 12, 2020Observed: 2.85 ft at 12:15PM Aug 12, 2020Observed: 2.85 ft at 12:30PM Aug 12, 2020Observed: 2.86 ft at 12:45PM Aug 12, 2020Observed: 2.86 ft at 1:00PM Aug 12, 2020Observed: 2.86 ft at 1:15PM Aug 12, 2020Observed: 2.86 ft at 1:30PM Aug 12, 2020Observed: 2.86 ft at 1:45PM Aug 12, 2020Observed: 2.85 ft at 2:00PM Aug 12, 2020Observed: 2.85 ft at 2:15PM Aug 12, 2020Observed: 2.86 ft at 2:30PM Aug 12, 2020Observed: 2.89 ft at 2:45PM Aug 12, 2020Observed: 3.01 ft at 3:00PM Aug 12, 2020Observed: 3.19 ft at 3:15PM Aug 12, 2020Observed: 3.97 ft at 3:30PM Aug 12, 2020Observed: 4.57 ft at 3:45PM Aug 12, 2020Observed: 4.81 ft at 4:00PM Aug 12, 2020Observed: 4.91 ft at 4:15PM Aug 12, 2020Observed: 5.01 ft at 4:30PM Aug 12, 2020Observed: 5.07 ft at 4:45PM Aug 12, 2020Observed: 5.17 ft at 5:00PM Aug 12, 2020Observed: 5.27 ft at 5:15PM Aug 12, 2020Observed: 5.39 ft at 5:30PM Aug 12, 2020Observed: 5.53 ft at 5:45PM Aug 12, 2020Observed: 5.69 ft at 6:00PM Aug 12, 2020Observed: 5.83 ft at 6:15PM Aug 12, 2020Observed: 5.91 ft at 6:30PM Aug 12, 2020Highest Observation: 5.94 ft at 6:45PM Aug 12, 2020Observed: 5.9 ft at 7:00PM Aug 12, 2020Observed: 5.84 ft at 7:15PM Aug 12, 2020Observed: 5.74 ft at 7:30PM Aug 12, 2020Observed: 5.61 ft at 7:45PM Aug 12, 2020Observed: 5.46 ft at 8:00PM Aug 12, 2020Observed: 5.31 ft at 8:15PM Aug 12, 2020Observed: 5.14 ft at 8:30PM Aug 12, 2020Observed: 4.93 ft at 8:45PM Aug 12, 2020Observed: 4.7 ft at 9:00PM Aug 12, 2020Observed: 4.47 ft at 9:15PM Aug 12, 2020Observed: 4.23 ft at 9:30PM Aug 12, 2020Observed: 4.04 ft at 9:45PM Aug 12, 2020Observed: 3.89 ft at 10:00PM Aug 12, 2020Observed: 3.89 ft at 10:02PM Aug 12, 2020Observed: 3.77 ft at 10:15PM Aug 12, 2020Observed: 3.66 ft at 10:30PM Aug 12, 2020Observed: 3.59 ft at 10:45PM Aug 12, 2020Observed: 3.52 ft at 11:00PM Aug 12, 2020Observed: 3.46 ft at 11:15PM Aug 12, 2020Observed: 3.42 ft at 11:30PM Aug 12, 2020Observed: 3.36 ft at 11:45PM Aug 12, 2020Observed: 3.33 ft at 12:00AM Aug 13, 2020Observed: 3.3 ft at 12:15AM Aug 13, 2020Observed: 3.27 ft at 12:30AM Aug 13, 2020Observed: 3.24 ft at 12:45AM Aug 13, 2020Observed: 3.22 ft at 1:00AM Aug 13, 2020Observed: 3.2 ft at 1:15AM Aug 13, 2020Observed: 3.19 ft at 1:30AM Aug 13, 2020Observed: 3.16 ft at 1:45AM Aug 13, 2020Observed: 3.13 ft at 2:00AM Aug 13, 2020Observed: 3.11 ft at 2:15AM Aug 13, 2020Observed: 3.1 ft at 2:30AM Aug 13, 2020Observed: 3.09 ft at 2:45AM Aug 13, 2020Observed: 3.06 ft at 3:00AM Aug 13, 2020Observed: 3.05 ft at 3:15AM Aug 13, 2020Observed: 3.04 ft at 3:30AM Aug 13, 2020Observed: 3.03 ft at 3:45AM Aug 13, 2020Observed: 3.02 ft at 4:00AM Aug 13, 2020Observed: 3 ft at 4:15AM Aug 13, 2020Observed: 2.99 ft at 4:30AM Aug 13, 2020Observed: 2.98 ft at 4:45AM Aug 13, 2020Observed: 2.96 ft at 5:00AM Aug 13, 2020Observed: 2.96 ft at 5:15AM Aug 13, 2020Observed: 2.96 ft at 5:30AM Aug 13, 2020Observed: 2.94 ft at 5:45AM Aug 13, 2020Observed: 2.94 ft at 6:00AM Aug 13, 2020Observed: 2.93 ft at 6:15AM Aug 13, 2020Observed: 2.92 ft at 6:30AM Aug 13, 2020Observed: 2.91 ft at 6:45AM Aug 13, 2020Observed: 2.9 ft at 7:00AM Aug 13, 2020Observed: 2.9 ft at 7:15AM Aug 13, 2020Observed: 2.89 ft at 7:30AM Aug 13, 2020Observed: 2.88 ft at 7:45AM Aug 13, 2020Observed: 2.87 ft at 8:00AM Aug 13, 2020Observed: 2.87 ft at 8:15AM Aug 13, 2020Observed: 2.86 ft at 8:30AM Aug 13, 2020Observed: 2.85 ft at 8:45AM Aug 13, 2020Observed: 2.86 ft at 9:00AM Aug 13, 2020Observed: 2.85 ft at 9:15AM Aug 13, 2020Observed: 2.85 ft at 9:30AM Aug 13, 2020Observed: 2.83 ft at 9:45AM Aug 13, 2020Observed: 2.84 ft at 10:00AM Aug 13, 2020Observed: 2.84 ft at 10:15AM Aug 13, 2020Observed: 2.84 ft at 10:30AM Aug 13, 2020Observed: 2.83 ft at 10:45AM Aug 13, 2020Observed: 2.84 ft at 11:00AM Aug 13, 2020Observed: 2.83 ft at 11:15AM Aug 13, 2020Observed: 2.83 ft at 11:30AM Aug 13, 2020Observed: 2.82 ft at 11:45AM Aug 13, 2020Observed: 2.83 ft at 12:00PM Aug 13, 2020Observed: 2.82 ft at 12:15PM Aug 13, 2020Observed: 2.81 ft at 12:30PM Aug 13, 2020Observed: 2.81 ft at 12:45PM Aug 13, 2020Observed: 2.8 ft at 1:00PM Aug 13, 2020Observed: 2.8 ft at 1:15PM Aug 13, 2020Observed: 2.79 ft at 1:30PM Aug 13, 2020Observed: 2.8 ft at 1:45PM Aug 13, 2020Observed: 2.79 ft at 2:00PM Aug 13, 2020Observed: 2.79 ft at 2:15PM Aug 13, 2020Observed: 2.79 ft at 2:30PM Aug 13, 2020Observed: 2.78 ft at 2:45PM Aug 13, 2020Observed: 2.78 ft at 3:00PM Aug 13, 2020Observed: 2.78 ft at 3:15PM Aug 13, 2020Observed: 2.79 ft at 3:30PM Aug 13, 2020Observed: 2.8 ft at 3:45PM Aug 13, 2020Observed: 2.82 ft at 4:00PM Aug 13, 2020Observed: 2.81 ft at 4:15PM Aug 13, 2020Observed: 2.81 ft at 4:30PM Aug 13, 2020Observed: 2.79 ft at 4:45PM Aug 13, 2020Observed: 2.79 ft at 5:00PM Aug 13, 2020Observed: 2.77 ft at 5:15PM Aug 13, 2020Observed: 2.77 ft at 5:30PM Aug 13, 2020Observed: 2.76 ft at 5:45PM Aug 13, 2020Observed: 2.76 ft at 6:00PM Aug 13, 2020Observed: 2.76 ft at 6:15PM Aug 13, 2020Observed: 2.75 ft at 6:30PM Aug 13, 2020Observed: 2.75 ft at 6:45PM Aug 13, 2020Observed: 2.75 ft at 7:00PM Aug 13, 2020Observed: 2.76 ft at 7:15PM Aug 13, 2020Observed: 2.76 ft at 7:30PM Aug 13, 2020Observed: 2.8 ft at 7:45PM Aug 13, 2020Observed: 2.84 ft at 8:00PM Aug 13, 2020Observed: 2.87 ft at 8:15PM Aug 13, 2020Observed: 2.9 ft at 8:30PM Aug 13, 2020Observed: 2.91 ft at 8:45PM Aug 13, 2020Observed: 2.93 ft at 9:00PM Aug 13, 2020Observed: 2.95 ft at 9:15PM Aug 13, 2020Observed: 2.98 ft at 9:30PM Aug 13, 2020Observed: 2.99 ft at 9:45PM Aug 13, 2020Observed: 3 ft at 10:00PM Aug 13, 2020Observed: 3 ft at 10:01PM Aug 13, 2020Observed: 3 ft at 10:15PM Aug 13, 2020Observed: 2.99 ft at 10:30PM Aug 13, 2020Observed: 2.97 ft at 10:45PM Aug 13, 2020Observed: 2.94 ft at 11:00PM Aug 13, 2020Observed: 2.91 ft at 11:15PM Aug 13, 2020Observed: 2.9 ft at 11:30PM Aug 13, 2020Observed: 2.88 ft at 11:45PM Aug 13, 2020Observed: 2.87 ft at 12:00AM Aug 14, 2020Observed: 2.85 ft at 12:15AM Aug 14, 2020Observed: 2.84 ft at 12:30AM Aug 14, 2020Observed: 2.82 ft at 12:45AM Aug 14, 2020Observed: 2.81 ft at 1:00AM Aug 14, 2020Observed: 2.81 ft at 1:15AM Aug 14, 2020Observed: 2.79 ft at 1:30AM Aug 14, 2020Observed: 2.79 ft at 1:45AM Aug 14, 2020Observed: 2.78 ft at 2:00AM Aug 14, 2020Observed: 2.77 ft at 2:15AM Aug 14, 2020Observed: 2.77 ft at 2:30AM Aug 14, 2020Observed: 2.76 ft at 2:45AM Aug 14, 2020Observed: 2.76 ft at 3:00AM Aug 14, 2020Observed: 2.75 ft at 3:15AM Aug 14, 2020Observed: 2.75 ft at 3:30AM Aug 14, 2020Observed: 2.75 ft at 3:45AM Aug 14, 2020Observed: 2.74 ft at 4:00AM Aug 14, 2020Observed: 2.74 ft at 4:15AM Aug 14, 2020Observed: 2.73 ft at 4:30AM Aug 14, 2020Observed: 2.73 ft at 4:45AM Aug 14, 2020Observed: 2.74 ft at 5:00AM Aug 14, 2020Observed: 2.74 ft at 5:15AM Aug 14, 2020Observed: 2.73 ft at 5:30AM Aug 14, 2020Observed: 2.74 ft at 5:45AM Aug 14, 2020Observed: 2.73 ft at 6:00AM Aug 14, 2020Observed: 2.72 ft at 6:15AM Aug 14, 2020Observed: 2.72 ft at 6:30AM Aug 14, 2020Observed: 2.72 ft at 6:45AM Aug 14, 2020Observed: 2.71 ft at 7:00AM Aug 14, 2020Observed: 2.7 ft at 7:15AM Aug 14, 2020Observed: 2.72 ft at 7:30AM Aug 14, 2020Observed: 2.71 ft at 7:45AM Aug 14, 2020Observed: 2.71 ft at 8:00AM Aug 14, 2020Observed: 2.71 ft at 8:15AM Aug 14, 2020Observed: 2.71 ft at 8:30AM Aug 14, 2020Observed: 2.7 ft at 8:45AM Aug 14, 2020Observed: 2.7 ft at 9:00AM Aug 14, 2020Observed: 2.7 ft at 9:15AM Aug 14, 2020Observed: 2.7 ft at 9:30AM Aug 14, 2020Observed: 2.71 ft at 9:45AM Aug 14, 2020Observed: 2.7 ft at 10:00AM Aug 14, 2020Observed: 2.7 ft at 10:15AM Aug 14, 2020Observed: 2.69 ft at 10:30AM Aug 14, 2020Observed: 2.71 ft at 10:45AM Aug 14, 2020Observed: 2.71 ft at 11:00AM Aug 14, 2020Observed: 2.71 ft at 11:15AM Aug 14, 2020Observed: 2.71 ft at 11:30AM Aug 14, 2020Observed: 2.71 ft at 11:45AM Aug 14, 2020Observed: 2.71 ft at 12:00PM Aug 14, 2020Observed: 2.71 ft at 12:15PM Aug 14, 2020Observed: 2.71 ft at 12:30PM Aug 14, 2020Observed: 2.72 ft at 12:45PM Aug 14, 2020Observed: 2.71 ft at 1:00PM Aug 14, 2020Observed: 2.71 ft at 1:15PM Aug 14, 2020Observed: 2.7 ft at 1:30PM Aug 14, 2020Observed: 2.7 ft at 1:45PM Aug 14, 2020Observed: 2.7 ft at 2:00PM Aug 14, 2020Observed: 2.7 ft at 2:15PM Aug 14, 2020Observed: 2.71 ft at 2:30PM Aug 14, 2020Observed: 2.69 ft at 2:45PM Aug 14, 2020Observed: 2.69 ft at 3:00PM Aug 14, 2020Observed: 2.7 ft at 3:15PM Aug 14, 2020Observed: 2.68 ft at 3:30PM Aug 14, 2020Observed: 2.68 ft at 3:45PM Aug 14, 2020Observed: 2.68 ft at 4:00PM Aug 14, 2020Observed: 2.68 ft at 4:15PM Aug 14, 2020Observed: 2.68 ft at 4:30PM Aug 14, 2020Observed: 2.67 ft at 4:45PM Aug 14, 2020DWNP1(plotting HGIRG) Graph Created (5:18PM Aug 14, 2020)ObservedLatest observed value: 2.67 ft at 4:45 PM EDT 14-Aug-2020. Flood Stage is 7 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts for the East Branch Brandywine Creek below Downingtown are issued as needed during times of high water, but are not routinely available.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 11
Moderate Flood Stage: 9
Flood Stage: 7
Action Stage: 6
Low Stage (in feet): 0

Historic Crests
(1) 14.79 ft on 09/16/1999
(2) 14.38 ft on 06/28/2006
(3) 13.73 ft on 08/28/2011
(4) 13.56 ft on 09/15/2003
(5) 13.50 ft on 05/01/2014
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.48 ft on 01/25/2020 (P)
(2) 9.59 ft on 07/12/2019 (P)
(3) 9.20 ft on 06/20/2019
(4) 9.19 ft on 12/21/2018
(5) 9.66 ft on 11/25/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
13 Route 30 in Downingtown is closed due to flooding. Route 322 (Brandywine Avenue) is closed between Business 30 and Boot Road due to flooding. Businesses along business Route 30, between the creek and Downing Avenue, take on water.
12 Residential basements flood along Jefferson Avenue.
11 Jefferson Avenue in Downingtown floods. Business Route 30 and Pennsylvania Avenue also flood.
9 High water on the Brandywine sends backwater up Beaver Creek. Beaver Creek floods inundating parks and the Downingtown Little League fields.
8 Dowlin Forge Road begins to flood.
6 Open adjacent land next to the creek floods.
About This Location Collapse

Latitude: 39.968611° N, Longitude: 75.673611° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 7 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 195 ft 202 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
Additional Information Collapse
During winter months, cold and ice may result in inaccurate real-time stream stage and streamflow data. Adjustments or deletions of this data can only be done after detailed analysis.
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Philadelphia/Mount Holly Weather Forecast Office
732 Woodlane Road
Mount Holly, NJ 08060-9615
(609) 261-6600
Ask Questions/Webmaster
Page last modified: 1-Mar-2019 12:35 AM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities