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Weather Forecast Office Wilmington, OH Ohio River Forecast Center

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Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Olentangy River near Worthington Observed crest: 2.41 ft at 1:00pm Feb 09 Observed: 2.32 ft at 10:00pm Feb 6 Observed: 2.32 ft at 11:00pm Feb 6 Observed: 2.31 ft at 12:00am Feb 7 Observed: 2.3 ft at 1:00am Feb 7 Observed: 2.28 ft at 2:00am Feb 7 Observed: 2.25 ft at 3:00am Feb 7 Observed: 2.21 ft at 4:00am Feb 7 Observed: 2.18 ft at 5:00am Feb 7 Observed: 2.15 ft at 6:00am Feb 7 Observed: 2.13 ft at 7:00am Feb 7 Observed: 2.12 ft at 8:00am Feb 7 Observed: 2.12 ft at 9:00am Feb 7 Observed: 2.11 ft at 10:00am Feb 7 Observed: 2.11 ft at 11:00am Feb 7 Observed: 2.11 ft at 12:00pm Feb 7 Observed: 2.14 ft at 1:00pm Feb 7 Observed: 2.14 ft at 2:00pm Feb 7 Observed: 2.15 ft at 3:00pm Feb 7 Observed: 2.15 ft at 4:00pm Feb 7 Observed: 2.17 ft at 5:00pm Feb 7 Observed: 2.21 ft at 6:00pm Feb 7 Observed: 2.2 ft at 7:00pm Feb 7 Observed: 2.2 ft at 8:00pm Feb 7 Observed: 2.19 ft at 9:00pm Feb 7 Observed: 2.18 ft at 10:00pm Feb 7 Observed: 2.17 ft at 11:00pm Feb 7 Observed: 2.14 ft at 12:00am Feb 8 Observed: 2.13 ft at 1:00am Feb 8 Observed: 2.12 ft at 2:00am Feb 8 Observed: 2.11 ft at 3:00am Feb 8 Observed: 2.1 ft at 4:00am Feb 8 Observed: 2.1 ft at 5:00am Feb 8 Observed: 2.09 ft at 6:00am Feb 8 Observed: 2.07 ft at 7:00am Feb 8 Observed: 1.97 ft at 8:00am Feb 8 Observed: 1.94 ft at 9:00am Feb 8 Observed: 2 ft at 10:00am Feb 8 Observed: 1.93 ft at 11:00am Feb 8 Observed: 2.05 ft at 12:00pm Feb 8 Observed: 2.02 ft at 1:00pm Feb 8 Observed: 2.01 ft at 2:00pm Feb 8 Observed: 2.06 ft at 3:00pm Feb 8 Observed: 2.25 ft at 4:00pm Feb 8 Observed: 2.28 ft at 5:00pm Feb 8 Observed: 2.18 ft at 6:00pm Feb 8 Observed: 2.21 ft at 7:00pm Feb 8 Observed: 2.26 ft at 8:00pm Feb 8 Observed: 2.34 ft at 9:00pm Feb 8 Observed: 2.4 ft at 10:00pm Feb 8 Observed: 2.36 ft at 11:00pm Feb 8 Observed: 2.31 ft at 12:00am Feb 9 Observed: 2.29 ft at 1:00am Feb 9 Observed: 2.31 ft at 2:00am Feb 9 Observed: 2.34 ft at 3:00am Feb 9 Observed: 2.37 ft at 4:00am Feb 9 Observed: 2.38 ft at 5:00am Feb 9 Observed: 2.35 ft at 6:00am Feb 9 Observed: 2.35 ft at 7:00am Feb 9 Observed: 2.34 ft at 8:00am Feb 9 Observed: 2.32 ft at 9:00am Feb 9 Observed: 2.33 ft at 10:00am Feb 9 Observed: 2.31 ft at 11:00am Feb 9 Observed: 2.38 ft at 12:00pm Feb 9 Observed: 2.41 ft at 1:00pm Feb 9 Observed: 2.33 ft at 2:00pm Feb 9 Observed: 2.34 ft at 3:00pm Feb 9 Observed: 2.35 ft at 4:00pm Feb 9 Observed: 2.33 ft at 5:00pm Feb 9 Observed: 2.35 ft at 6:00pm Feb 9 Observed: 2.4 ft at 7:00pm Feb 9 Observed: 2.41 ft at 8:00pm Feb 9 Observed: 2.35 ft at 9:00pm Feb 9 Graph Created (9:55pm Feb 9, 2010) Observed USGS--Water Resources of the United States WRTO1 (plotting HGIRG) Gage 0 Datum: 743.20 Latest observed value: 2.35 ft at 9:00 PM EST 9-Feb-2010. Flood Stage is 13.0 ft. Stage (ft) Flow (kcfs)
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NOTE: Forecasts for the Olentangy River near Worthington are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - near Delaware Upstream Gauge

Flood Categories (in feet)
Major Flood Stage:18
Moderate Flood Stage:15
Flood Stage:13
Action Stage:7

Historical Crests
(1) 15.68 ft on 01/21/1959
(2) 15.30 ft on 01/10/1952
(3) 12.66 ft on 03/10/1964
(4) 11.68 ft on 03/04/1963
(5) 11.58 ft on 05/20/1957
(6) 11.55 ft on 06/20/1973
(7) 11.45 ft on 09/14/1979
(8) 11.32 ft on 05/27/1956
(9) 11.23 ft on 05/22/1969
(10) 10.92 ft on 01/24/1975
Show More Historical Crests

Low Water Records
(1) 0.0 ft on 06/14/1996

 Olentangy River near Worthington location map

Flood Impacts Collapse
13.0 Flooding worsens in low areas along the Olentangy River in Mount Air...and Worthington experiences flooding.
10.0 Flood waters approach residences along the river in Mount Air. Flooding does not occur in Worthington until stages near 13 feet.
8.0 Flooding of property begins along the Olentangy River near Mount Air in northern Franklin County.

About This Location Collapse
Latitude: 40.110300° N, Longitude: 83.031900° W, Horizontal Datum: NAD83

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)		 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 N/A N/A Older USGS topographic maps, NGVD29 benchmarks
MSL N/A N/A Older USGS topographic maps, MSL benchmarks
Other 743.2 ft 756.2 ft  

Other Data Sources:
Corps of Engineers (COE) Info for Worthington
U.S. Geological Survey (USGS) Data and Site Info for Worthington

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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
Wilmington Weather Forecast Office
1901 South State Route 134
Wilmington, OH 45177
(937) 383-0031
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