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

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Date of Flood Crest(ft) Streamflow(cfs) Category Code 1934-12-02 18.99 20500 Minor none 1936-03-18 30.21 89000 Major none 1937-04-26 20.93 24900 Moderate none 1942-05-23 19.28 21400 Minor none 1942-10-16 31.2 100000 Major none 1945-09-19 20.4 24000 Moderate none 1954-10-16 18.25 19300 Minor none 1955-08-18 23.55 36100 Moderate none 1972-06-22 20.88 25100 Moderate none 1972-10-06 23.48 35700 Moderate none 1973-12-27 17.33 18000 Minor none 1975-03-20 21.22 26100 Moderate none 1976-10-10 19.33 21800 Minor none 1978-01-27 17.21 17800 Minor none 1985-11-05 27.37 62600 Major none 1987-04-17 18.27 19800 Minor none 1993-03-05 19.06 21300 Minor none 1996-01-20 27.96 67600 Major none 1996-09-07 32.27 114000 Major none 2003-09-20 19.27 21800 Minor none 2011-04-17 18.33 19900 Minor none 2011-05-18 19.07 21300 Minor none

MARFC Codes
Code Description
(!!!) Datum changed during this year.
(1) Backwater Effect.
(2) 15.77 ft also occurred on 11/25/1950 but only counted as one flood.
(3) Estimated from currrent USGS rating table.
(4) Estimated height from the USGS.
(5) Gage height at a different site and/or datum
(6) Discharge affected by Regulation or Diversion
(7) Due to changes, prior floods were based on present flood stage. Therefore, flood data could possibly be incomplete.
(8) Gage is a staff gage and not the offical USGS gage. Therefore, some floods may be missing from our study.
(9) Discharge effected by snow-melt, ice jam or debris jam break up
(A) Discharge affected to unknown degree by regulation or diversion.
(B) Month or day of occurrence is unknown or not exact.
(C) All or part of the record affected by urbanization, mining, agricultural changes, channelization, or other factors.
(D) Crest height adjusted to current datum.
(E) Estimated discharge.
(F) Only annual maximum peak available for this year.
(O) This flood occurred at a previous flood stage that is lower than the current flood stage. This is only a historical flood.
** Crest information looks reasonable despite potential problems. This data was used in our study.
*** Crest information looks unreliable and incomplete and was not used in our flood frequency study.
**** Gauge was discontinued in 2004. 2004 and later was not used in our study.
none No code

Updated: 08:58 AM Jun 28, 2012