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
Bookmark and Share Navigation Bar End Cap

  
 
Hydrograph River at a Glance Download
Little Lehigh Creek at Allentown Stage (ft)Flow (kcfs)Observed: 2.49 ft at 5:30PM Oct 22, 2021Observed: 2.49 ft at 5:45PM Oct 22, 2021Observed: 2.49 ft at 6:00PM Oct 22, 2021Observed: 2.49 ft at 6:15PM Oct 22, 2021Observed: 2.48 ft at 6:30PM Oct 22, 2021Observed: 2.49 ft at 6:45PM Oct 22, 2021Observed: 2.48 ft at 7:00PM Oct 22, 2021Observed: 2.51 ft at 7:15PM Oct 22, 2021Observed: 2.54 ft at 7:30PM Oct 22, 2021Observed: 2.55 ft at 7:45PM Oct 22, 2021Highest Observation: 2.56 ft at 8:00PM Oct 22, 2021Highest Observation: 2.56 ft at 8:15PM Oct 22, 2021Highest Observation: 2.56 ft at 8:30PM Oct 22, 2021Highest Observation: 2.56 ft at 8:45PM Oct 22, 2021Highest Observation: 2.56 ft at 9:00PM Oct 22, 2021Highest Observation: 2.56 ft at 9:15PM Oct 22, 2021Highest Observation: 2.56 ft at 9:30PM Oct 22, 2021Highest Observation: 2.56 ft at 9:45PM Oct 22, 2021Highest Observation: 2.56 ft at 10:00PM Oct 22, 2021Highest Observation: 2.56 ft at 10:15PM Oct 22, 2021Highest Observation: 2.56 ft at 10:30PM Oct 22, 2021Highest Observation: 2.56 ft at 10:45PM Oct 22, 2021Highest Observation: 2.56 ft at 11:00PM Oct 22, 2021Highest Observation: 2.56 ft at 11:15PM Oct 22, 2021Highest Observation: 2.56 ft at 11:30PM Oct 22, 2021Highest Observation: 2.56 ft at 11:45PM Oct 22, 2021Highest Observation: 2.56 ft at 12:00AM Oct 23, 2021Highest Observation: 2.56 ft at 12:15AM Oct 23, 2021Highest Observation: 2.56 ft at 12:30AM Oct 23, 2021Highest Observation: 2.56 ft at 12:31AM Oct 23, 2021Highest Observation: 2.56 ft at 12:45AM Oct 23, 2021Highest Observation: 2.56 ft at 12:46AM Oct 23, 2021Highest Observation: 2.56 ft at 1:00AM Oct 23, 2021Highest Observation: 2.56 ft at 1:01AM Oct 23, 2021Highest Observation: 2.56 ft at 1:15AM Oct 23, 2021Highest Observation: 2.56 ft at 1:16AM Oct 23, 2021Highest Observation: 2.56 ft at 1:30AM Oct 23, 2021Highest Observation: 2.56 ft at 1:45AM Oct 23, 2021Highest Observation: 2.56 ft at 2:00AM Oct 23, 2021Highest Observation: 2.56 ft at 2:15AM Oct 23, 2021Highest Observation: 2.56 ft at 2:30AM Oct 23, 2021Highest Observation: 2.56 ft at 2:45AM Oct 23, 2021Highest Observation: 2.56 ft at 3:00AM Oct 23, 2021Highest Observation: 2.56 ft at 3:15AM Oct 23, 2021Highest Observation: 2.56 ft at 3:30AM Oct 23, 2021Observed: 2.55 ft at 3:45AM Oct 23, 2021Highest Observation: 2.56 ft at 4:00AM Oct 23, 2021Highest Observation: 2.56 ft at 4:15AM Oct 23, 2021Highest Observation: 2.56 ft at 4:30AM Oct 23, 2021Highest Observation: 2.56 ft at 4:45AM Oct 23, 2021Highest Observation: 2.56 ft at 5:00AM Oct 23, 2021Highest Observation: 2.56 ft at 5:15AM Oct 23, 2021Highest Observation: 2.56 ft at 5:30AM Oct 23, 2021Observed: 2.55 ft at 5:45AM Oct 23, 2021Observed: 2.55 ft at 6:00AM Oct 23, 2021Observed: 2.55 ft at 6:15AM Oct 23, 2021Observed: 2.55 ft at 6:30AM Oct 23, 2021Observed: 2.55 ft at 6:45AM Oct 23, 2021Observed: 2.55 ft at 7:00AM Oct 23, 2021Observed: 2.55 ft at 7:15AM Oct 23, 2021Observed: 2.55 ft at 7:30AM Oct 23, 2021Observed: 2.55 ft at 7:45AM Oct 23, 2021Observed: 2.55 ft at 8:00AM Oct 23, 2021Observed: 2.55 ft at 8:15AM Oct 23, 2021Observed: 2.55 ft at 8:30AM Oct 23, 2021Observed: 2.55 ft at 8:45AM Oct 23, 2021Observed: 2.55 ft at 9:00AM Oct 23, 2021Observed: 2.55 ft at 9:15AM Oct 23, 2021Observed: 2.53 ft at 9:30AM Oct 23, 2021Observed: 2.53 ft at 9:45AM Oct 23, 2021Observed: 2.52 ft at 10:00AM Oct 23, 2021Observed: 2.5 ft at 10:15AM Oct 23, 2021Observed: 2.49 ft at 10:30AM Oct 23, 2021Observed: 2.49 ft at 10:45AM Oct 23, 2021Observed: 2.48 ft at 11:00AM Oct 23, 2021Observed: 2.48 ft at 11:15AM Oct 23, 2021Observed: 2.48 ft at 11:30AM Oct 23, 2021Observed: 2.48 ft at 11:45AM Oct 23, 2021Observed: 2.48 ft at 12:00PM Oct 23, 2021Observed: 2.48 ft at 12:15PM Oct 23, 2021Observed: 2.47 ft at 12:30PM Oct 23, 2021Observed: 2.47 ft at 12:31PM Oct 23, 2021Observed: 2.47 ft at 12:45PM Oct 23, 2021Observed: 2.47 ft at 12:46PM Oct 23, 2021Observed: 2.48 ft at 1:00PM Oct 23, 2021Observed: 2.48 ft at 1:01PM Oct 23, 2021Observed: 2.48 ft at 1:15PM Oct 23, 2021Observed: 2.48 ft at 1:16PM Oct 23, 2021Observed: 2.48 ft at 1:30PM Oct 23, 2021Observed: 2.47 ft at 1:45PM Oct 23, 2021Observed: 2.47 ft at 2:00PM Oct 23, 2021Observed: 2.48 ft at 2:15PM Oct 23, 2021Observed: 2.48 ft at 2:30PM Oct 23, 2021Observed: 2.48 ft at 2:45PM Oct 23, 2021Observed: 2.48 ft at 3:00PM Oct 23, 2021Observed: 2.48 ft at 3:15PM Oct 23, 2021Observed: 2.48 ft at 3:30PM Oct 23, 2021Observed: 2.48 ft at 3:45PM Oct 23, 2021Observed: 2.48 ft at 4:00PM Oct 23, 2021Observed: 2.48 ft at 4:15PM Oct 23, 2021Observed: 2.48 ft at 4:30PM Oct 23, 2021Observed: 2.48 ft at 4:45PM Oct 23, 2021Observed: 2.48 ft at 5:00PM Oct 23, 2021Observed: 2.48 ft at 5:15PM Oct 23, 2021Observed: 2.48 ft at 5:30PM Oct 23, 2021Observed: 2.48 ft at 5:45PM Oct 23, 2021Observed: 2.48 ft at 6:00PM Oct 23, 2021Observed: 2.48 ft at 6:15PM Oct 23, 2021Observed: 2.48 ft at 6:30PM Oct 23, 2021Observed: 2.48 ft at 6:45PM Oct 23, 2021Observed: 2.48 ft at 7:00PM Oct 23, 2021Observed: 2.48 ft at 7:15PM Oct 23, 2021Observed: 2.48 ft at 7:30PM Oct 23, 2021Observed: 2.48 ft at 7:45PM Oct 23, 2021Observed: 2.48 ft at 8:00PM Oct 23, 2021Observed: 2.48 ft at 8:15PM Oct 23, 2021Observed: 2.48 ft at 8:30PM Oct 23, 2021Observed: 2.48 ft at 8:45PM Oct 23, 2021Observed: 2.47 ft at 9:00PM Oct 23, 2021Observed: 2.47 ft at 9:15PM Oct 23, 2021Observed: 2.47 ft at 9:30PM Oct 23, 2021Observed: 2.47 ft at 9:45PM Oct 23, 2021Observed: 2.47 ft at 10:00PM Oct 23, 2021Observed: 2.47 ft at 10:15PM Oct 23, 2021Observed: 2.47 ft at 10:30PM Oct 23, 2021Observed: 2.47 ft at 10:45PM Oct 23, 2021Observed: 2.47 ft at 11:00PM Oct 23, 2021Observed: 2.47 ft at 11:15PM Oct 23, 2021Observed: 2.47 ft at 11:30PM Oct 23, 2021Observed: 2.47 ft at 11:45PM Oct 23, 2021Observed: 2.47 ft at 12:00AM Oct 24, 2021Observed: 2.47 ft at 12:15AM Oct 24, 2021Observed: 2.47 ft at 12:30AM Oct 24, 2021Observed: 2.47 ft at 12:45AM Oct 24, 2021Observed: 2.47 ft at 1:00AM Oct 24, 2021Observed: 2.47 ft at 1:15AM Oct 24, 2021Observed: 2.47 ft at 1:30AM Oct 24, 2021Observed: 2.47 ft at 1:45AM Oct 24, 2021Observed: 2.47 ft at 2:00AM Oct 24, 2021Observed: 2.47 ft at 2:15AM Oct 24, 2021Observed: 2.47 ft at 2:30AM Oct 24, 2021Observed: 2.47 ft at 2:45AM Oct 24, 2021Observed: 2.47 ft at 3:00AM Oct 24, 2021Observed: 2.47 ft at 3:15AM Oct 24, 2021Observed: 2.47 ft at 3:30AM Oct 24, 2021Observed: 2.47 ft at 3:45AM Oct 24, 2021Observed: 2.47 ft at 4:00AM Oct 24, 2021Observed: 2.47 ft at 4:15AM Oct 24, 2021Observed: 2.47 ft at 4:30AM Oct 24, 2021Observed: 2.47 ft at 4:45AM Oct 24, 2021Observed: 2.47 ft at 5:00AM Oct 24, 2021Observed: 2.47 ft at 5:15AM Oct 24, 2021Observed: 2.47 ft at 5:30AM Oct 24, 2021Observed: 2.47 ft at 5:45AM Oct 24, 2021Observed: 2.47 ft at 6:00AM Oct 24, 2021Observed: 2.47 ft at 6:15AM Oct 24, 2021Observed: 2.47 ft at 6:30AM Oct 24, 2021Observed: 2.47 ft at 6:45AM Oct 24, 2021Observed: 2.47 ft at 7:00AM Oct 24, 2021Observed: 2.47 ft at 7:15AM Oct 24, 2021Observed: 2.47 ft at 7:30AM Oct 24, 2021Observed: 2.47 ft at 7:45AM Oct 24, 2021Observed: 2.47 ft at 8:00AM Oct 24, 2021Observed: 2.47 ft at 8:15AM Oct 24, 2021Observed: 2.47 ft at 8:30AM Oct 24, 2021Observed: 2.47 ft at 8:45AM Oct 24, 2021Observed: 2.47 ft at 9:00AM Oct 24, 2021Observed: 2.47 ft at 9:15AM Oct 24, 2021Observed: 2.47 ft at 9:30AM Oct 24, 2021Observed: 2.47 ft at 9:45AM Oct 24, 2021Observed: 2.47 ft at 10:00AM Oct 24, 2021Observed: 2.47 ft at 10:15AM Oct 24, 2021Observed: 2.47 ft at 10:30AM Oct 24, 2021Observed: 2.47 ft at 10:45AM Oct 24, 2021Observed: 2.47 ft at 11:00AM Oct 24, 2021Observed: 2.47 ft at 11:15AM Oct 24, 2021Observed: 2.47 ft at 11:30AM Oct 24, 2021Observed: 2.47 ft at 11:45AM Oct 24, 2021Observed: 2.47 ft at 12:00PM Oct 24, 2021Observed: 2.47 ft at 12:15PM Oct 24, 2021Observed: 2.47 ft at 12:30PM Oct 24, 2021Observed: 2.47 ft at 12:32PM Oct 24, 2021Observed: 2.47 ft at 12:45PM Oct 24, 2021Observed: 2.47 ft at 12:47PM Oct 24, 2021Observed: 2.47 ft at 1:00PM Oct 24, 2021Observed: 2.47 ft at 1:02PM Oct 24, 2021Observed: 2.47 ft at 1:15PM Oct 24, 2021Observed: 2.47 ft at 1:17PM Oct 24, 2021Observed: 2.47 ft at 1:30PM Oct 24, 2021Observed: 2.47 ft at 1:45PM Oct 24, 2021Observed: 2.47 ft at 2:00PM Oct 24, 2021Observed: 2.47 ft at 2:15PM Oct 24, 2021Observed: 2.47 ft at 2:30PM Oct 24, 2021Observed: 2.47 ft at 2:45PM Oct 24, 2021Observed: 2.47 ft at 3:00PM Oct 24, 2021Observed: 2.47 ft at 3:15PM Oct 24, 2021Observed: 2.47 ft at 3:30PM Oct 24, 2021Observed: 2.47 ft at 3:45PM Oct 24, 2021Observed: 2.47 ft at 4:00PM Oct 24, 2021Observed: 2.47 ft at 4:15PM Oct 24, 2021Observed: 2.47 ft at 4:30PM Oct 24, 2021Observed: 2.47 ft at 4:45PM Oct 24, 2021Observed: 2.47 ft at 5:00PM Oct 24, 2021Observed: 2.47 ft at 5:15PM Oct 24, 2021Observed: 2.47 ft at 5:30PM Oct 24, 2021Observed: 2.47 ft at 5:45PM Oct 24, 2021Observed: 2.47 ft at 6:00PM Oct 24, 2021Observed: 2.47 ft at 6:15PM Oct 24, 2021Observed: 2.47 ft at 6:30PM Oct 24, 2021Observed: 2.47 ft at 6:45PM Oct 24, 2021Observed: 2.47 ft at 7:00PM Oct 24, 2021Observed: 2.47 ft at 7:15PM Oct 24, 2021Observed: 2.47 ft at 7:30PM Oct 24, 2021Observed: 2.47 ft at 7:45PM Oct 24, 2021Observed: 2.47 ft at 8:00PM Oct 24, 2021Observed: 2.47 ft at 8:15PM Oct 24, 2021Observed: 2.47 ft at 8:30PM Oct 24, 2021Observed: 2.47 ft at 8:45PM Oct 24, 2021Observed: 2.47 ft at 9:00PM Oct 24, 2021Observed: 2.47 ft at 9:15PM Oct 24, 2021Observed: 2.47 ft at 9:30PM Oct 24, 2021Observed: 2.47 ft at 9:45PM Oct 24, 2021Observed: 2.47 ft at 10:00PM Oct 24, 2021Observed: 2.47 ft at 10:15PM Oct 24, 2021Observed: 2.47 ft at 10:30PM Oct 24, 2021Observed: 2.47 ft at 10:45PM Oct 24, 2021Observed: 2.47 ft at 11:00PM Oct 24, 2021Observed: 2.47 ft at 11:15PM Oct 24, 2021Observed: 2.47 ft at 11:30PM Oct 24, 2021Observed: 2.47 ft at 11:45PM Oct 24, 2021Observed: 2.47 ft at 12:00AM Oct 25, 2021Observed: 2.47 ft at 12:15AM Oct 25, 2021Observed: 2.47 ft at 12:30AM Oct 25, 2021Observed: 2.47 ft at 12:31AM Oct 25, 2021Observed: 2.47 ft at 12:45AM Oct 25, 2021Observed: 2.47 ft at 12:46AM Oct 25, 2021Observed: 2.47 ft at 1:00AM Oct 25, 2021Observed: 2.47 ft at 1:01AM Oct 25, 2021Observed: 2.47 ft at 1:15AM Oct 25, 2021Observed: 2.47 ft at 1:16AM Oct 25, 2021Observed: 2.47 ft at 1:30AM Oct 25, 2021Observed: 2.46 ft at 1:45AM Oct 25, 2021Observed: 2.47 ft at 2:00AM Oct 25, 2021Observed: 2.47 ft at 2:15AM Oct 25, 2021Observed: 2.47 ft at 2:30AM Oct 25, 2021Observed: 2.47 ft at 2:45AM Oct 25, 2021Observed: 2.47 ft at 3:00AM Oct 25, 2021Observed: 2.47 ft at 3:15AM Oct 25, 2021Observed: 2.47 ft at 3:30AM Oct 25, 2021Observed: 2.47 ft at 3:45AM Oct 25, 2021Observed: 2.47 ft at 4:00AM Oct 25, 2021Observed: 2.47 ft at 4:15AM Oct 25, 2021Observed: 2.47 ft at 4:30AM Oct 25, 2021Observed: 2.47 ft at 4:45AM Oct 25, 2021Observed: 2.47 ft at 5:00AM Oct 25, 2021Observed: 2.47 ft at 5:15AM Oct 25, 2021Observed: 2.47 ft at 5:30AM Oct 25, 2021Observed: 2.47 ft at 5:45AM Oct 25, 2021Observed: 2.47 ft at 6:00AM Oct 25, 2021Observed: 2.47 ft at 6:15AM Oct 25, 2021Observed: 2.47 ft at 6:30AM Oct 25, 2021Observed: 2.47 ft at 6:45AM Oct 25, 2021Observed: 2.47 ft at 7:00AM Oct 25, 2021Observed: 2.47 ft at 7:15AM Oct 25, 2021Observed: 2.47 ft at 7:30AM Oct 25, 2021Observed: 2.47 ft at 7:45AM Oct 25, 2021Observed: 2.47 ft at 8:00AM Oct 25, 2021Observed: 2.47 ft at 8:15AM Oct 25, 2021Observed: 2.47 ft at 8:30AM Oct 25, 2021Observed: 2.47 ft at 8:45AM Oct 25, 2021Observed: 2.47 ft at 9:00AM Oct 25, 2021Observed: 2.47 ft at 9:15AM Oct 25, 2021Observed: 2.48 ft at 9:30AM Oct 25, 2021Observed: 2.47 ft at 9:45AM Oct 25, 2021Observed: 2.47 ft at 10:00AM Oct 25, 2021Observed: 2.48 ft at 10:15AM Oct 25, 2021Observed: 2.48 ft at 10:30AM Oct 25, 2021Observed: 2.48 ft at 10:45AM Oct 25, 2021Observed: 2.48 ft at 11:00AM Oct 25, 2021Observed: 2.48 ft at 11:15AM Oct 25, 2021Observed: 2.48 ft at 11:30AM Oct 25, 2021Observed: 2.48 ft at 11:45AM Oct 25, 2021Observed: 2.48 ft at 12:00PM Oct 25, 2021Observed: 2.48 ft at 12:15PM Oct 25, 2021Observed: 2.49 ft at 12:30PM Oct 25, 2021Observed: 2.49 ft at 12:32PM Oct 25, 2021Observed: 2.49 ft at 12:45PM Oct 25, 2021Observed: 2.49 ft at 12:47PM Oct 25, 2021Observed: 2.49 ft at 1:00PM Oct 25, 2021Observed: 2.49 ft at 1:02PM Oct 25, 2021Observed: 2.49 ft at 1:15PM Oct 25, 2021Observed: 2.49 ft at 1:17PM Oct 25, 2021Observed: 2.49 ft at 1:30PM Oct 25, 2021Observed: 2.49 ft at 1:45PM Oct 25, 2021Observed: 2.49 ft at 2:00PM Oct 25, 2021Observed: 2.49 ft at 2:15PM Oct 25, 2021Observed: 2.49 ft at 2:30PM Oct 25, 2021Observed: 2.49 ft at 2:45PM Oct 25, 2021Observed: 2.49 ft at 3:00PM Oct 25, 2021Observed: 2.49 ft at 3:15PM Oct 25, 2021Observed: 2.49 ft at 3:30PM Oct 25, 2021Observed: 2.49 ft at 3:45PM Oct 25, 2021Observed: 2.49 ft at 4:00PM Oct 25, 2021Observed: 2.5 ft at 4:15PM Oct 25, 2021Observed: 2.5 ft at 4:30PM Oct 25, 2021Observed: 2.5 ft at 4:45PM Oct 25, 2021USGS--Water Resources of the United StatesAPAP1(plotting HGIRG) Graph Created (5:18PM Oct 25, 2021)ObservedLatest observed value: 2.5 ft at 4:45 PM EDT 25-Oct-2021. Flood Stage is 8 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Little Lehigh Creek at Allentown are issued as needed during times of high water, but are not routinely available.
Return to Area Map
Upstream Gauge - near Allentown Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 12
Moderate Flood Stage: 10
Flood Stage: 8
Action Stage: 6
Low Stage (in feet): 0

Historic Crests
(1) 12.69 ft on 08/04/2020
(2) 11.05 ft on 10/08/2005
(3) 10.65 ft on 09/18/2004
(4) 9.88 ft on 08/28/2011
(5) 9.60 ft on 09/02/2021
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.60 ft on 09/02/2021
(2) 12.69 ft on 08/04/2020
(3) 8.00 ft on 11/03/2018
(4) 5.83 ft on 09/07/2011
(5) 9.88 ft on 08/28/2011
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
12 Flooding expands along Martin Luther King Jr. Drive.
11 Portions of the Little Lehigh Parkway pathways in Little Lehigh Park are damages or destroyed.
10 Water is several feet deep on Martin Luther King Jr. Drive near Lehigh Street. Businesses are flooded.
9 Fish Hatchery Road is flooded.
8 Martin Luther King Jr. Drive begins to flood near Lehigh Street.
7 The Fountain Park pathway floods.
6 Fountain Park begins to flood.
About This Location Collapse

Latitude: 40.596389° N, Longitude: 75.474444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 8 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 245.63 ft 253.63 ft  

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: 2-Nov-2020 7:30 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities