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Little Lehigh Creek near Allentown Observed crest: 2.45 ft at 9:45pm Feb 06 Observed: 2.45 ft at 9:45pm Feb 6 Observed: 2.45 ft at 10:00pm Feb 6 Observed: 2.45 ft at 10:15pm Feb 6 Observed: 2.45 ft at 10:30pm Feb 6 Observed: 2.45 ft at 10:45pm Feb 6 Observed: 2.45 ft at 11:00pm Feb 6 Observed: 2.45 ft at 11:15pm Feb 6 Observed: 2.45 ft at 11:30pm Feb 6 Observed: 2.45 ft at 11:45pm Feb 6 Observed: 2.45 ft at 12:00am Feb 7 Observed: 2.45 ft at 12:15am Feb 7 Observed: 2.45 ft at 12:30am Feb 7 Observed: 2.45 ft at 12:45am Feb 7 Observed: 2.45 ft at 1:00am Feb 7 Observed: 2.44 ft at 1:15am Feb 7 Observed: 2.44 ft at 1:30am Feb 7 Observed: 2.44 ft at 1:45am Feb 7 Observed: 2.44 ft at 2:00am Feb 7 Observed: 2.44 ft at 2:15am Feb 7 Observed: 2.44 ft at 2:30am Feb 7 Observed: 2.44 ft at 2:45am Feb 7 Observed: 2.43 ft at 3:00am Feb 7 Observed: 2.44 ft at 3:15am Feb 7 Observed: 2.43 ft at 3:30am Feb 7 Observed: 2.43 ft at 3:45am Feb 7 Observed: 2.43 ft at 4:00am Feb 7 Observed: 2.43 ft at 4:15am Feb 7 Observed: 2.43 ft at 4:30am Feb 7 Observed: 2.43 ft at 4:45am Feb 7 Observed: 2.43 ft at 5:00am Feb 7 Observed: 2.43 ft at 5:15am Feb 7 Observed: 2.43 ft at 5:30am Feb 7 Observed: 2.43 ft at 5:45am Feb 7 Observed: 2.43 ft at 6:00am Feb 7 Observed: 2.43 ft at 6:15am Feb 7 Observed: 2.43 ft at 6:30am Feb 7 Observed: 2.43 ft at 6:45am Feb 7 Observed: 2.43 ft at 7:00am Feb 7 Observed: 2.42 ft at 7:15am Feb 7 Observed: 2.42 ft at 7:30am Feb 7 Observed: 2.42 ft at 7:45am Feb 7 Observed: 2.42 ft at 8:00am Feb 7 Observed: 2.42 ft at 8:15am Feb 7 Observed: 2.42 ft at 8:30am Feb 7 Observed: 2.42 ft at 8:45am Feb 7 Observed: 2.42 ft at 9:00am Feb 7 Observed: 2.42 ft at 9:15am Feb 7 Observed: 2.42 ft at 9:30am Feb 7 Observed: 2.42 ft at 9:45am Feb 7 Observed: 2.42 ft at 10:00am Feb 7 Observed: 2.42 ft at 10:15am Feb 7 Observed: 2.42 ft at 10:30am Feb 7 Observed: 2.42 ft at 10:45am Feb 7 Observed: 2.42 ft at 11:00am Feb 7 Observed: 2.42 ft at 11:15am Feb 7 Observed: 2.42 ft at 11:30am Feb 7 Observed: 2.42 ft at 11:45am Feb 7 Observed: 2.42 ft at 12:00pm Feb 7 Observed: 2.42 ft at 12:15pm Feb 7 Observed: 2.42 ft at 12:30pm Feb 7 Observed: 2.42 ft at 12:45pm Feb 7 Observed: 2.42 ft at 1:00pm Feb 7 Observed: 2.42 ft at 1:15pm Feb 7 Observed: 2.42 ft at 1:30pm Feb 7 Observed: 2.42 ft at 1:45pm Feb 7 Observed: 2.42 ft at 2:00pm Feb 7 Observed: 2.42 ft at 2:15pm Feb 7 Observed: 2.43 ft at 2:30pm Feb 7 Observed: 2.43 ft at 2:45pm Feb 7 Observed: 2.43 ft at 3:00pm Feb 7 Observed: 2.43 ft at 3:15pm Feb 7 Observed: 2.43 ft at 3:30pm Feb 7 Observed: 2.44 ft at 3:45pm Feb 7 Observed: 2.44 ft at 4:00pm Feb 7 Observed: 2.44 ft at 4:15pm Feb 7 Observed: 2.44 ft at 4:30pm Feb 7 Observed: 2.45 ft at 4:45pm Feb 7 Observed: 2.44 ft at 5:00pm Feb 7 Observed: 2.45 ft at 5:15pm Feb 7 Observed: 2.44 ft at 5:30pm Feb 7 Observed: 2.44 ft at 5:45pm Feb 7 Observed: 2.44 ft at 6:00pm Feb 7 Observed: 2.44 ft at 6:15pm Feb 7 Observed: 2.44 ft at 6:30pm Feb 7 Observed: 2.44 ft at 6:45pm Feb 7 Observed: 2.44 ft at 7:00pm Feb 7 Observed: 2.44 ft at 7:15pm Feb 7 Observed: 2.44 ft at 7:30pm Feb 7 Observed: 2.44 ft at 7:45pm Feb 7 Observed: 2.44 ft at 8:00pm Feb 7 Observed: 2.44 ft at 8:15pm Feb 7 Observed: 2.44 ft at 8:30pm Feb 7 Observed: 2.44 ft at 8:45pm Feb 7 Observed: 2.44 ft at 9:00pm Feb 7 Observed: 2.45 ft at 9:15pm Feb 7 Observed: 2.45 ft at 9:30pm Feb 7 Observed: 2.45 ft at 9:45pm Feb 7 Observed: 2.45 ft at 10:00pm Feb 7 Observed: 2.45 ft at 10:15pm Feb 7 Observed: 2.45 ft at 10:30pm Feb 7 Observed: 2.45 ft at 10:45pm Feb 7 Observed: 2.45 ft at 11:00pm Feb 7 Observed: 2.45 ft at 11:15pm Feb 7 Observed: 2.45 ft at 11:30pm Feb 7 Observed: 2.45 ft at 11:45pm Feb 7 Observed: 2.45 ft at 12:00am Feb 8 Observed: 2.45 ft at 12:15am Feb 8 Observed: 2.45 ft at 12:30am Feb 8 Observed: 2.45 ft at 12:45am Feb 8 Observed: 2.44 ft at 1:00am Feb 8 Observed: 2.44 ft at 1:15am Feb 8 Observed: 2.44 ft at 1:30am Feb 8 Observed: 2.44 ft at 1:45am Feb 8 Observed: 2.44 ft at 2:00am Feb 8 Observed: 2.43 ft at 2:15am Feb 8 Observed: 2.44 ft at 2:30am Feb 8 Observed: 2.43 ft at 2:45am Feb 8 Observed: 2.43 ft at 3:00am Feb 8 Observed: 2.43 ft at 3:15am Feb 8 Observed: 2.43 ft at 3:30am Feb 8 Observed: 2.43 ft at 3:45am Feb 8 Observed: 2.43 ft at 4:00am Feb 8 Observed: 2.43 ft at 4:15am Feb 8 Observed: 2.43 ft at 4:30am Feb 8 Observed: 2.43 ft at 4:45am Feb 8 Observed: 2.43 ft at 5:00am Feb 8 Observed: 2.42 ft at 5:15am Feb 8 Observed: 2.42 ft at 5:30am Feb 8 Observed: 2.42 ft at 5:45am Feb 8 Observed: 2.42 ft at 6:00am Feb 8 Observed: 2.42 ft at 6:15am Feb 8 Observed: 2.42 ft at 6:30am Feb 8 Observed: 2.42 ft at 6:45am Feb 8 Observed: 2.42 ft at 7:00am Feb 8 Observed: 2.42 ft at 7:15am Feb 8 Observed: 2.42 ft at 7:30am Feb 8 Observed: 2.42 ft at 7:45am Feb 8 Observed: 2.42 ft at 8:00am Feb 8 Observed: 2.42 ft at 8:15am Feb 8 Observed: 2.42 ft at 8:30am Feb 8 Observed: 2.41 ft at 8:45am Feb 8 Observed: 2.41 ft at 8:46am Feb 8 Observed: 2.41 ft at 9:00am Feb 8 Observed: 2.42 ft at 9:15am Feb 8 Observed: 2.41 ft at 9:30am Feb 8 Observed: 2.41 ft at 9:45am Feb 8 Observed: 2.41 ft at 10:00am Feb 8 Observed: 2.41 ft at 10:15am Feb 8 Observed: 2.42 ft at 10:30am Feb 8 Observed: 2.41 ft at 10:45am Feb 8 Observed: 2.41 ft at 11:00am Feb 8 Observed: 2.41 ft at 11:15am Feb 8 Observed: 2.41 ft at 11:30am Feb 8 Observed: 2.41 ft at 11:45am Feb 8 Observed: 2.41 ft at 12:00pm Feb 8 Observed: 2.41 ft at 12:15pm Feb 8 Observed: 2.41 ft at 12:30pm Feb 8 Observed: 2.4 ft at 12:45pm Feb 8 Observed: 2.41 ft at 1:00pm Feb 8 Observed: 2.41 ft at 1:15pm Feb 8 Observed: 2.41 ft at 1:30pm Feb 8 Observed: 2.4 ft at 1:45pm Feb 8 Observed: 2.41 ft at 2:00pm Feb 8 Observed: 2.41 ft at 2:15pm Feb 8 Observed: 2.41 ft at 2:30pm Feb 8 Observed: 2.41 ft at 2:45pm Feb 8 Observed: 2.41 ft at 3:00pm Feb 8 Observed: 2.42 ft at 3:15pm Feb 8 Observed: 2.42 ft at 3:30pm Feb 8 Observed: 2.42 ft at 3:45pm Feb 8 Observed: 2.43 ft at 4:00pm Feb 8 Observed: 2.43 ft at 4:15pm Feb 8 Observed: 2.43 ft at 4:30pm Feb 8 Observed: 2.43 ft at 4:45pm Feb 8 Observed: 2.43 ft at 5:00pm Feb 8 Observed: 2.43 ft at 5:15pm Feb 8 Observed: 2.43 ft at 5:30pm Feb 8 Observed: 2.43 ft at 5:45pm Feb 8 Observed: 2.43 ft at 6:00pm Feb 8 Observed: 2.43 ft at 6:15pm Feb 8 Observed: 2.43 ft at 6:30pm Feb 8 Observed: 2.43 ft at 6:45pm Feb 8 Observed: 2.43 ft at 7:00pm Feb 8 Observed: 2.43 ft at 7:15pm Feb 8 Observed: 2.43 ft at 7:30pm Feb 8 Observed: 2.43 ft at 7:45pm Feb 8 Observed: 2.43 ft at 8:00pm Feb 8 Observed: 2.43 ft at 8:15pm Feb 8 Observed: 2.43 ft at 8:30pm Feb 8 Observed: 2.43 ft at 8:45pm Feb 8 Observed: 2.43 ft at 9:00pm Feb 8 Observed: 2.44 ft at 9:15pm Feb 8 Observed: 2.44 ft at 9:30pm Feb 8 Observed: 2.44 ft at 9:45pm Feb 8 Observed: 2.44 ft at 10:00pm Feb 8 Observed: 2.44 ft at 10:15pm Feb 8 Observed: 2.44 ft at 10:30pm Feb 8 Observed: 2.44 ft at 10:45pm Feb 8 Observed: 2.44 ft at 11:00pm Feb 8 Observed: 2.44 ft at 11:15pm Feb 8 Observed: 2.44 ft at 11:30pm Feb 8 Observed: 2.44 ft at 11:45pm Feb 8 Observed: 2.44 ft at 12:00am Feb 9 Observed: 2.44 ft at 12:15am Feb 9 Observed: 2.44 ft at 12:30am Feb 9 Observed: 2.43 ft at 12:45am Feb 9 Observed: 2.43 ft at 1:00am Feb 9 Observed: 2.43 ft at 1:15am Feb 9 Observed: 2.43 ft at 1:30am Feb 9 Observed: 2.43 ft at 1:45am Feb 9 Observed: 2.43 ft at 2:00am Feb 9 Observed: 2.43 ft at 2:15am Feb 9 Observed: 2.43 ft at 2:30am Feb 9 Observed: 2.43 ft at 2:45am Feb 9 Observed: 2.43 ft at 3:00am Feb 9 Observed: 2.43 ft at 3:15am Feb 9 Observed: 2.43 ft at 3:30am Feb 9 Observed: 2.42 ft at 3:45am Feb 9 Observed: 2.42 ft at 4:00am Feb 9 Observed: 2.42 ft at 4:15am Feb 9 Observed: 2.42 ft at 4:30am Feb 9 Observed: 2.42 ft at 4:45am Feb 9 Observed: 2.42 ft at 5:00am Feb 9 Observed: 2.42 ft at 5:15am Feb 9 Observed: 2.42 ft at 5:30am Feb 9 Observed: 2.42 ft at 5:45am Feb 9 Observed: 2.42 ft at 6:00am Feb 9 Observed: 2.42 ft at 6:15am Feb 9 Observed: 2.42 ft at 6:30am Feb 9 Observed: 2.42 ft at 6:45am Feb 9 Observed: 2.42 ft at 7:00am Feb 9 Observed: 2.42 ft at 7:15am Feb 9 Observed: 2.42 ft at 7:30am Feb 9 Observed: 2.42 ft at 7:45am Feb 9 Observed: 2.42 ft at 8:00am Feb 9 Observed: 2.42 ft at 8:15am Feb 9 Observed: 2.42 ft at 8:30am Feb 9 Observed: 2.42 ft at 8:45am Feb 9 Observed: 2.42 ft at 9:00am Feb 9 Observed: 2.42 ft at 9:15am Feb 9 Observed: 2.42 ft at 9:30am Feb 9 Observed: 2.42 ft at 9:45am Feb 9 Observed: 2.42 ft at 10:00am Feb 9 Observed: 2.41 ft at 10:15am Feb 9 Observed: 2.42 ft at 10:30am Feb 9 Observed: 2.41 ft at 10:45am Feb 9 Observed: 2.41 ft at 11:00am Feb 9 Observed: 2.41 ft at 11:15am Feb 9 Observed: 2.41 ft at 11:30am Feb 9 Observed: 2.41 ft at 11:45am Feb 9 Observed: 2.42 ft at 12:00pm Feb 9 Observed: 2.42 ft at 12:15pm Feb 9 Observed: 2.43 ft at 12:30pm Feb 9 Observed: 2.43 ft at 12:45pm Feb 9 Observed: 2.43 ft at 1:00pm Feb 9 Observed: 2.43 ft at 1:15pm Feb 9 Observed: 2.43 ft at 1:30pm Feb 9 Observed: 2.43 ft at 1:45pm Feb 9 Observed: 2.43 ft at 2:00pm Feb 9 Observed: 2.43 ft at 2:15pm Feb 9 Observed: 2.43 ft at 2:30pm Feb 9 Observed: 2.44 ft at 2:45pm Feb 9 Observed: 2.43 ft at 3:00pm Feb 9 Observed: 2.43 ft at 3:15pm Feb 9 Observed: 2.43 ft at 3:30pm Feb 9 Observed: 2.43 ft at 3:45pm Feb 9 Observed: 2.43 ft at 4:00pm Feb 9 Observed: 2.43 ft at 4:15pm Feb 9 Observed: 2.43 ft at 4:30pm Feb 9 Observed: 2.43 ft at 4:45pm Feb 9 Observed: 2.43 ft at 5:00pm Feb 9 Observed: 2.43 ft at 5:15pm Feb 9 Observed: 2.43 ft at 5:30pm Feb 9 Observed: 2.43 ft at 5:45pm Feb 9 Observed: 2.43 ft at 6:00pm Feb 9 Observed: 2.43 ft at 6:15pm Feb 9 Observed: 2.43 ft at 6:30pm Feb 9 Observed: 2.43 ft at 6:45pm Feb 9 Observed: 2.43 ft at 7:00pm Feb 9 Observed: 2.43 ft at 7:15pm Feb 9 Observed: 2.43 ft at 7:30pm Feb 9 Observed: 2.43 ft at 7:45pm Feb 9 Observed: 2.43 ft at 8:00pm Feb 9 Observed: 2.44 ft at 8:15pm Feb 9 Observed: 2.43 ft at 8:30pm Feb 9 Observed: 2.44 ft at 8:45pm Feb 9 Graph Created (10:05pm Feb 9, 2010) Observed USGS--Water Resources of the United States ALLP1 (plotting HGIRG) Gage 0 Datum: 253.41 Latest observed value: 2.44 ft at 8:45 PM EST 9-Feb-2010. Flood Stage is 6.0 ft. Stage (ft) Flow (kcfs)
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NOTE: Forecasts are not available for the Little Lehigh Creek near Allentown. Only observed stages are available for this point.

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Downstream Gauge Downstream Gauge - at Allentown

Flood Categories (in feet)
Major Flood Stage:10
Moderate Flood Stage:8
Flood Stage:6
Action Stage:5

Historical Crests
(1) 11.80 ft on 06/22/1972
(2) 10.93 ft on 10/08/2005
(3) 10.76 ft on 01/25/1979
(4) 10.63 ft on 09/18/2004
(5) 9.50 ft on 07/09/1935
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Little Lehigh Creek near Allentown location map

About This Location Collapse
Latitude: 40.582200° N, Longitude: 75.483300° W, Horizontal Datum: NAD83

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 6 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 N/A N/A Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 253.41 ft 259.41 ft Older USGS topographic maps, NGVD29 benchmarks
MSL N/A N/A Older USGS topographic maps, MSL benchmarks
Other N/A N/A  

Other Data Sources:
U.S. Geological Survey (USGS) Data and Site Info for Allentown

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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
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