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Hydrograph River at a Glance Download Inundation
Alafia River (FL) near Lithia Stage (ft)Flow (kcfs)USGS--Water Resources of the United StatesLITF1(plotting HGIRG) Graph Created (6:51AM Nov 12, 2019)ObservedLatest observed value: 4.85 ft at 10:00 AM EST 8-Nov-2019. Flood Stage is 13 ft
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Datum: Not Available
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Alafia River (FL) near Lithia are issued as needed during times of high water, but are not routinely available.

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Flood Categories (in feet)
Major Flood Stage: 19
Moderate Flood Stage: 16
Flood Stage: 13
Action Stage: 11
Low Stage (in feet): -9999

Historic Crests
(1) 28.50 ft on 09/07/1933
(2) 23.98 ft on 09/12/1960
(3) 23.24 ft on 09/20/1947
(4) 22.83 ft on 07/31/1960
(5) 22.79 ft on 09/12/2017
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(P): Preliminary values subject to further review.

Recent Crests
(1) 14.75 ft on 08/16/2019
(2) 13.16 ft on 08/11/2019
(3) 15.05 ft on 07/28/2019
(4) 17.09 ft on 12/22/2018
(5) 22.79 ft on 09/12/2017
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(P): Preliminary values subject to further review.

Low Water Records
(1) 1.95 ft on 06/06/1945
Zoom Level:16
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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
29.5 Height of the County Road 640 roadbed.
27 Water covers County Road 640 Lithia area.
15 Additional residences downstream of County Road 640 bridge begin flooding.
13 River Drive and Squirrel Run Way downstream of County Road 640 are completely covered by water. One home begins to flood.
12 Water begins to affect River Drive and Squirrel Run Way downstream of County Road 640.
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Latitude: 27.871944° N, Longitude: 82.211389° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 13 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 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

Current/Historical Observations:

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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
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Tampa Bay Area Weather Forecast Office
2525 14th Ave SE
Ruskin, FL 33570
(813) 645-2323
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Page last modified: 4-Mar-2019 11:30 PM
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