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Hydrograph River at a Glance Download
Alapaha River near Jennings Stage (ft)USGS--Water Resources of the United StatesJNAF1(plotting HGIRG) Graph Created (9:51PM Feb 20, 2017)ObservedLatest observed value: 67.38 ft at 11:15 AM EST 15-Feb-2017. Flood Stage is 80 ft
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Datum: NAVD88
NOTE: Forecasts are not available for the Alapaha River near Jennings. Only observed stages are available for this point.
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Upstream Gauge - at Statenville Upstream Gauge Downstream Gauge Downstream Gauge - at Ellaville (US 90)
Flood Categories (in feet)
Major Flood Stage: 88
Moderate Flood Stage: 85
Flood Stage: 80
Action Stage: 77
Low Stage (in feet): -9999

Historic Crests
(1) 93.30 ft on 04/08/2009
(2) 90.19 ft on 03/05/2013
(3) 89.62 ft on 02/17/1986
(4) 89.26 ft on 03/29/1984
(5) 88.32 ft on 02/09/1978
(6) 88.26 ft on 03/11/1984 (P)
(7) 87.93 ft on 04/20/2014
(8) 85.74 ft on 08/31/2013
(9) 85.71 ft on 02/07/1984 (P)
(10) 85.03 ft on 02/02/2010
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(P): Preliminary values subject to further review.

Recent Crests
(1) 80.85 ft on 04/10/2016
(2) 80.97 ft on 04/05/2016
(3) 79.42 ft on 02/14/2016
(4) 79.43 ft on 01/05/2015
(5) 87.93 ft on 04/20/2014
(6) 80.84 ft on 04/10/2014
(7) 80.23 ft on 03/20/2014
(8) 85.74 ft on 08/31/2013
(9) 81.55 ft on 07/15/2013
(10) 90.19 ft on 03/05/2013
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(P): Preliminary values subject to further review.

Low Water Records
(1) 61.28 ft on 10/06/2011
(2) 61.39 ft on 11/20/2007
(3) 61.39 ft on 08/12/2008
(4) 61.43 ft on 05/28/2012
(5) 61.46 ft on 11/14/2010
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Zoom Level:14
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Gauge LocationGauge Map Marker
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.
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If you notice any errors in the below information, please contact our Webmaster
83 Northwest 86th Blvd begins to flood
80.5 Road to Fox Hollow Subdivision begins to flood along NW 79th Drive.
79 Boat Ramp just upstream of the gauge is flooded and adjacent parking lot begins to flood.
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Latitude: 30.598056° N, Longitude: 83.073333° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 80 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available 80 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 0.70 80.70 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:

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NWS Information
National Weather Service
Jacksonville Weather Forecast Office
13701 Fang Drive
Jacksonville, FL 32218
(904) 741-4370
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Page last modified: 21-Dec-2016 5:21 PM
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