North Fork Shenandoah River near Strasburg, Shenandoah County VA (STGV2)
Gage Location: Warren County, VirginiaSite Location: Shenandoah County, Virginia
Latitude: 38.977Longitude: -78.336Elevation: 494.03 ft. MSLDrainage Area: 770 Sq. Mi.
Minor Stage: 17 ft. Moderate Stage: 20 ft.Major Stage: 25 ft.
First Flood: 1934-12-02Last Flood: 2011-05-18 Crest: 19.07 ft.Datum change: 1930-09-21Number of Floods: 22

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1934-12-0218.9920500Minornone
1936-03-1830.2189000Majornone
1937-04-2620.9324900Moderatenone
1942-05-2319.2821400Minornone
1942-10-1631.2100000Majornone
1945-09-1920.424000Moderatenone
1954-10-1618.2519300Minornone
1955-08-1823.5536100Moderatenone
1972-06-2220.8825100Moderatenone
1972-10-0623.4835700Moderatenone
1973-12-2717.3318000Minornone
1975-03-2021.2226100Moderatenone
1976-10-1019.3321800Minornone
1978-01-2717.2117800Minornone
1985-11-0527.3762600Majornone
1987-04-1718.2719800Minornone
1993-03-0519.0621300Minornone
1996-01-2027.9667600Majornone
1996-09-0732.27114000Majornone
2003-09-2019.2721800Minornone
2011-04-1718.3319900Minornone
2011-05-1819.0721300Minornone



Codes and description

C1|Crest information during this period may be incomplete and therefore was not used in frequency calculations. Some of the floods are based on current flood stage and nearby gage information.
C2|Crest information during this period looks reliable despite potential problems. This data was used in frequency calculations.
C3|Crest height estimated by the USGS.
C4|Crest height is from the National Weather Service.
C5|Crest height affected by backwater.
C6|Crest occurred at a previous flood stage that is lower than the current flood stage. The crests below the new flood stage are not used in flood frequency calculations.
C7|Crest from USGS yearly peak and/or date is different than the crest we provide. In many cases MARFC uses crest based on backwater or ice effects.
C8|Crest month or day of occurrence has been estimated by The Middle Atlantic River Forecast Center usually based on nearby gage information.
C9|Crest date (day) in the month is unknown.
F1|Flow is an estimate.
F2|Flow affected by regulation or diversion and in some cases to an unknown degree.
F3|Flow effected by snow-melt, ice jam or debris jam break up.
F4|Flow affected by dam failure.
F5|Flow - All or part of the record affected by urbanization, mining, agricultural changes, channelization or other factors.
G1|Gage height at a different site and/or datum.
G2|Gage is not an official USGS gage with crests provided by the NWS. Crest information looks unreliable and incomplete and not used in flood frequency calculations.
G3|Gage datum changed during this year.
none,No code; Good Data

Updated: 07:31 AM Dec 19, 2014