National Weather Service Advanced Hydrologic Prediction Service

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Weather Forecast Office Tallahassee, FL

Southeast River Forecast Center

Hydrograph

River at a Glance

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About this graph

Tabular Data (UTC)

Tabular Data (EDT)

Datum: NAVD88

Metadata

NOTE: Forecasts are not available for the Lake Iamonia at Waterfront Drive. Only observed stages are available for this point.

Return to Area Map

Flood Categories (in feet)

Major Flood Stage:	105
Moderate Flood Stage:	103
Flood Stage:	101.5
Action Stage:	100
Low Stage (in feet):	94

Historic Crests
(1) 103.50 ft on 04/03/2009 (P)
(2) 102.88 ft on 04/05/2016
(3) 102.62 ft on 12/29/2014
(4) 102.07 ft on 03/03/2013
(5) 101.79 ft on 08/25/2013
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 101.42 ft on 12/21/2018
(2) 102.88 ft on 04/05/2016
(3) 102.62 ft on 12/29/2014
(4) 101.74 ft on 04/23/2014
(5) 100.86 ft on 03/23/2014
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.

Show FEMA's National Flood Hazard Layers

Zoom Level:14

	Gauge Location	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

If you notice any errors in the below information, please contact our Webmaster
106	Multiple structures on Waterfront Drive are prone to flooding at this level on the north side of Lake Iamonia.
105	Water begins to flood a few structures in Luna Plantation on the south side of the lake. Meridian Road floods in several places at this level.
104.5	Water at Lake Iamonia Landing floods up to Waterfront Drive.
104	Water begins to surround and flood some structures on Waterfront Drive on the north side of Lake Iamonia.
103	Meridian Road north of Iamonia Farms Road is prone to flooding at this level. At Lake Iamonia Landing Road, the fish camp building is surrounded and the parking lot to the fish camp floods.
102.8	At Bull Headley Landing, water floods up to the entrance to the park at the stop sign. Water begins to affect portions of Moorhen Circle in the Luna Plantation.
102.2	At Bull Headley Landing, water completely covers the parking area.
102	Water begins to flood low lying areas around the lake, mainly the backyards of residences.
101.8	At Lake Iamonia Landing Road, water reaches the fish camp structure and floods up to the large water oak at the roundabout. The boat ramp is in accessible above this level.
101.1	At Bull Headley Landing, water reaches the grassy island with the light pole. Access to the boat ramp is impossible above this level.
100.8	At Lake Iamonia Landing Road, water reaches the southern portion of the loop at the landing. The backyard of the fish camp begins to flood.
100	Water reaches the top of the boat ramps at Lake Iamonia Landing Road, Bull Headley Road, and Beadle Road.
Photos (1) View to the south from the boat ramp about one-half mile southeast of the gauge.

About This Location

Latitude: 30.644444° N, Longitude: 84.207222° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	101.5 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	Not Available	Not Available

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Collaborative Agencies

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
Tallahassee Weather Forecast Office
Love Building FL State University
Tallahassee, FL 32306-4509
(850) 942-8833
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Page last modified: 2-Nov-2020 7:30 PM

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