Site ID:

1007

Lat.

32.4090

USA

River:

Alabama

Long.

-86.4045

Site name:

Contributing area:

36069

km2

Ratio to Comparison Station:

1.55

Latest measurement:

15-Nov-09

Mean annual runoff:

394

(2003-2007)

Hydrologic status:

Normal flow

Total runoff this year:

342

Latest M/C ratio:

1.26

Seven day total:

Estimated current discharge:

617

m3/sec

Percent of mean 7-day total:

152.0

(today's value compared to mean for same period, 2003-2007)

Ice-cover determination:

5 yr recurrence flood:

1061

m3/sec

(from Log Pearson III analysis)

Status Codes: 1 = Low flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood

1046

m3/sec

(from Gumbel Extreme Value analysis)

Comparison Station Information:

Tokwe Confluence D/s C/s (1495240)

Contributing Area:

7280

sq mi

23237

sq km

(Data from this gaging station are used for the calibration to discharge, with an adjustment for different contributing areas)

Notes:

Comparison station is placeholder, only; this site is not yet calibrated to actual discharge

Discharge and runoff, based on satellite remote sensing (NASA AMSR-E data)

(For U.S, sites, nearby ground station discharge may also be shown)

2008-Present

2002-Present

Annual

Monthly Total Runoff (mm), computed from above satellite-based discharge data

Runoff

(mm)

Jan

Feb

Mar

April

May

June

July

Aug

Sept

Oct

Nov

Dec

166

2002

no data

28.3

26.3

35.2

31.1

45.0

530

2003

47.6

50.7

55.7

38.9

49.4

46.4

40.7

43.9

32.8

41.4

37.2

45.2

493

2004

51.0

41.5

45.1

34.6

37.1

38.8

40.7

41.6

40.2

30.8

43.5

47.8

372

2005

48.9

44.3

45.4

30.8

31.3

33.6

4.6

24.7

28.4

21.7

27.7

30.3

268

2006

33.6

22.0

28.7

34.9

22.7

27.8

21.4

32.7

24.5

19.3

0.0

309

2007

32.7

33.6

36.3

27.1

22.7

18.7

20.0

23.5

28.3

23.6

16.0

26.6

342

2008

27.5

35.3

36.6

24.5

29.6

26.3

22.1

21.6

27.6

26.9

22.6

41.3

324

2009

36.0

33.9

34.3

25.1

33.8

24.9

23.0

26.5

29.4

33.7

23.3

0.0

Discharge is estimated directly via a rating equation from the remote sensing data (M/C ratio) shown below.