Alert – FDYO1 – Blanchard River at Findlay (Ohio)

June 29, 2017June 29, 2017 Matt Demczyk

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NOTE: Forecasts for the Blanchard River at Findlay are issued routinely year-round.Vertical datum height surveyed by the USGS

Flood Categories (in feet)

Major Flood Stage:	13.5
Moderate Flood Stage:	12
Flood Stage:	11
Action Stage:	8

Historic Crests
(1) 18.50 ft on 03/13/1913
(2) 18.46 ft on 08/22/2007
(3) 17.43 ft on 06/14/1981
(4) 16.76 ft on 02/11/1959
(5) 16.50 ft on 02/07/2008
(6) 16.42 ft on 03/01/2011
(7) 16.10 ft on 01/22/1959
(8) 15.58 ft on 12/22/2013
(9) 15.42 ft on 06/02/1997
(10) 15.41 ft on 03/09/2009
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.37 ft on 05/06/2017
(2) 13.02 ft on 06/17/2015
(3) 15.58 ft on 12/22/2013
(4) 12.43 ft on 07/11/2013
(5) 14.10 ft on 04/12/2013
(6) 16.42 ft on 03/01/2011
(7) 15.41 ft on 03/09/2009
(8) 16.50 ft on 02/07/2008
(9) 11.23 ft on 01/10/2008 (P)
(10) 18.46 ft on 08/22/2007
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.60 ft on 09/12/1976
(2) 0.68 ft on 10/17/1965
(3) 0.74 ft on 09/18/1968
(4) 0.80 ft on 09/21/1980

Show FEMA’s National Flood Hazard Layers

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Legend

FEMA Layer

	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.

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19.5	Record flooding. Flood waters top the gage well house.
18.5	High water mark of the 1913 and 2007 floods.
17.5	Major flooding will occur in downtown Findlay. Flooding can be expected from Westerfield Drive to County Road 236 along the Blanchard River. Flooding can also be expected along Eagle and Lye Creeks between State Route 15 and the Blanchard River. About three quarters of the city inundated.
17	FEMA 0.2 percent flood level. Major flooding in Findlay.
16	FEMA 1 percent flood level. Widespread evacuations needed in the City of Findlay. The highways that are impacted include U.S. 68 on the south side.
15	Several businesses impacted downtown, with many roads near the river closed. County Road 236 to State Route 568 inundated. The following streets are likely to be flooded, Main Cross Street from Western to Township Road 180, Broad Street, streets along Eagle Creek from Central to Rockside and streets along Lye Creek from Wedgewood to Strong Avenue.
14.5	Major flooding. The city is split in half by flood waters inhibiting travel in and out of the city.
14	Major flooding. As much as half the town inundated with flood waters. Several homes and businesses impacted.
13.5	Major flooding blocking Martin Luther King Parkway and Blanchard Avenue. Several other low lying roads flooded along the river. Travel in and out of the city becomes difficult.
13	Floodwaters impact East Sandusky Street, Main Cross Street, Blanchard Road, Clinton Court, and many other streets near the Blanchard River. Backwater will affect residents living along Eagle and Lye Creeks.
12	Water impacts River Street and Apple Alley on the west side of Findlay, Blanchard Street between Sandusky and Main Cross, and several streets south of Clinton Court near Riverside Park.
11	Flooding impacts areas near Riverside Park and East Main Cross Street in the City of Findlay.
10	Water reaches East Main Cross Street near Lye Creek.
9	Flooding occurs on low lying roads along the river west of Findlay, including County Road 140.
8	Water covers low lying portions of South River Road and Howard Street on the west side of Findlay.

Latitude: 41.055833° N, Longitude: 83.688056° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	11 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	753.76	763.76 ft	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

Current/Historical Observations:

Potential River Levels Used to Estimate the Chance of Flooding and the Range of Possible River Levels
3 Day (SREF)	7 Day (NAEFS)	7 Day (GEFS)

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics.

Click individual graphics to enlarge.

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.