South Branch Potomac River near Springfield, Hampshire County WV (SPRW2)
Gage Location: Hampshire County, West VirginiaSite Location: Hampshire County, West Virginia
Latitude: 39.447Longitude: -78.654Elevation: 561.41 ft. MSLDrainage Area: 1461 Sq. Mi.
Minor Stage: 15 ft. Moderate Stage: 19 ft.Major Stage: 25 ft.
First Flood: 1877-11-25Last Flood: 2013-05-08 Crest: 16.79 ft.Datum change: 1928-09-25Number of Floods: 82

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MINOR FLOODS
Date of FloodCrest(ft)
1901-04-2118.4
1929-10-2316.33
1929-11-1915.27
1932-05-1217.88
1933-08-2417
1936-02-2616.1
1939-01-3115.35
1942-05-1716.63
1945-09-1917.15
1948-04-1517.35
1950-12-0517.02
1950-12-0817.65
1952-04-2815.85
1954-03-0217.31
1954-12-3015.28
1960-03-3116.33
1960-05-0916.7
1962-03-2217.27
1964-03-0615.45
1967-03-1615.24
1972-02-2715.29
1972-06-2317.87
1974-06-0318.15
1975-10-1917.32
1976-01-0116.75
1977-04-0616.58
1978-01-2717.21
1978-03-1518.1
1978-03-2715.69
1980-05-0116.07
1982-03-2116.55
1983-04-2516.71
1984-02-1518.63
1985-06-0116.2
1991-03-2417.38
1993-04-1718.26
1994-05-0817.9
1996-05-1816.79
1998-03-2118.09
2002-04-2317.49
2003-02-2415.07
2003-05-1115.95
2003-11-2018
2004-09-2915.19
2007-03-0316.52
2008-03-0516.93
2010-01-2618.54
2011-03-1115.24
2011-04-1316.13
2011-04-1715.35
2011-04-2915.37
2013-05-0816.79
 MODERATE FLOODS
Date of FloodCrest(ft)
1929-04-1719.13
1932-02-0420.4
1937-04-2723
1937-10-2921.15
1939-02-0421.4
1940-05-3120.11
1942-05-2322
1942-10-1621.09
1954-10-1621.5
1963-03-2022.15
1967-03-0821
1972-10-0621.11
1973-12-2720.16
1975-03-2020.34
1976-10-1023.42
1979-02-2619.17
1986-03-1519.18
1987-04-1719.18
1994-02-1019.19
2003-09-2024.7
2007-04-1619.5
2010-03-1419.37
2011-05-1819.01
 MAJOR FLOODS
Date of FloodCrest(ft)
1877-11-2534
1936-03-1834.2
1949-06-1829.85
1955-08-1925.55
1985-11-0544.22
1996-01-2028.41
1996-09-0734.98
 MISSING
Date of FloodCrest(ft)



Categorical Floods by Month
MonthMinor
After
Datum		Minor
Total		Moderate
After
Datum		Moderate
Total		Major
After
Datum		Major
Total		Missing
After
Datum		Missing
Total
January44001100
February44440000
March1313551100
April910440000
May88330000
June33001100
July00000000
August11001100
September22111100
October22550000
November22001200
December33110000


Categorical Floods by Season
SeasonMinorModerateMajorMissing
Fall6630
Winter11510
Spring311210
Summer4020


Codes and description

C1|Crest information looks unreliable and incomplete and not used in frequency calculations. Some of the floods are based on current flood stage and nearby gage information.
C2|Crest information 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: 07:56 AM May 09, 2013