South River near Ackworth
Future / Actual / Minor
OWP 2.0 WWA Modal Title
01/11/2021, 10:04 PM UTC through 01/11/2021, 10:04 PM UTC
Sender
Sent
- Upstream gauge unavailableWarning: no valid ratings curve available. Transformations to and from FEET/CFS/KCFS will not happen.
Traces and Thresholds Click to turn on/off display
CATEGORY STAGE Major Flooding 32 ft Moderate Flooding 30 ft Minor Flooding 29 ft Action 26 ft Reliability of the Forecast:
NOTE: Forecasts are issued as needed during times of high water, but are not routinely available.
National Water Model Hydrograph
Official NWS streamflow forecasts are produced by NWS hydrologic forecasters for river gauge locations using hydrologic models which are calibrated to that location. This process considers additional guidance and information, including local expertise and experience, to produce the best forecast possible. The NWM output provides supplemental guidance to NWS forecasters and should not be considered an official NWS river forecast.
Flood Impacts
- 33 - Water affects 168th Ave near the bridge over the river.
- 31.8 - Water affects Iowa 92 east of Ackworth.
- 31 - Water reaches the underside of the bridge at 168th Ave.
- 30 - Water affects portions of Iowa 92 and many other rural county roads. Widespread agricultural flooding occurs.
- 28.6 - Water is over Iowa 92 between mile markers 137.5 and 139.
- 26 - Road closures are possible near creeks adjoining the river.
- 19 - Water affects lowlands.
Gauge Location
Recent Crests
1. | 22.68 ft | on 05-20-2024 |
2. | 11.45 ft | on 02-27-2023 |
3. | 15.24 ft | on 05-03-2022 |
4. | 18.36 ft | on 04-08-2021 |
5. | 19.43 ft | on 03-20-2020 |
6. | 24.06 ft | on 05-28-2019 |
7. | 15.63 ft | on 09-04-2018 |
8. | 16.87 ft | on 04-05-2017 |
9. | 24.27 ft | on 12-14-2015 |
10. | 31.87 ft | on 06-25-2015 |
Recent Crests
1. | 22.68 ft | on 05-20-2024 |
2. | 11.45 ft | on 02-27-2023 |
3. | 15.24 ft | on 05-03-2022 |
4. | 18.36 ft | on 04-08-2021 |
5. | 19.43 ft | on 03-20-2020 |
6. | 24.06 ft | on 05-28-2019 |
7. | 15.63 ft | on 09-04-2018 |
8. | 16.87 ft | on 04-05-2017 |
9. | 24.27 ft | on 12-14-2015 |
10. | 31.87 ft | on 06-25-2015 |
11. | 29.91 ft | on 09-10-2014 |
12. | 27.38 ft | on 04-18-2013 |
13. | 19.35 ft | on 04-15-2012 |
14. | 25.82 ft | on 05-25-2011 |
15. | 25.91 ft | on 07-20-2010 |
16. | 25.21 ft | on 04-27-2009 |
17. | 31.57 ft | on 07-29-2008 |
18. | 28.42 ft | on 05-07-2007 |
19. | 14.26 ft | on 08-14-2006 |
20. | 17.10 ft | on 05-13-2005 |
21. | 19.18 ft | on 08-04-2004 |
22. | 18.18 ft | on 06-25-2003 |
23. | 13.20 ft | on 05-11-2002 |
24. | 22.13 ft | on 05-13-2001 |
25. | 16.60 ft | on 06-25-2000 |
26. | 16.44 ft | on 04-16-1999 |
27. | 25.91 ft | on 03-30-1998 |
28. | 22.10 ft | on 05-07-1997 |
29. | 26.04 ft | on 05-10-1996 |
30. | 17.89 ft | on 05-08-1995 |
31. | 15.44 ft | on 03-04-1994 |
32. | 30.02 ft | on 07-06-1993 |
33. | 26.77 ft | on 09-16-1992 |
34. | 26.93 ft | on 04-19-1991 |
35. | 31.25 ft | on 06-17-1990 |
36. | 11.87 ft | on 09-09-1989 |
37. | 15.50 ft | on 11-28-1987 |
38. | 29.55 ft | on 08-27-1987 |
39. | 21.42 ft | on 07-12-1986 |
40. | 18.08 ft | on 06-24-1985 |
41. | 23.15 ft | on 04-30-1984 |
42. | 21.47 ft | on 12-28-1982 |
43. | 32.00 ft | on 07-16-1982 |
44. | 32.85 ft | on 07-05-1981 |
45. | 24.31 ft | on 06-15-1980 |
46. | 16.68 ft | on 04-25-1979 |
47. | 24.17 ft | on 04-18-1978 |
48. | 26.99 ft | on 08-26-1977 |
49. | 24.34 ft | on 04-24-1976 |
50. | 21.73 ft | on 06-27-1975 |
51. | 29.07 ft | on 06-10-1974 |
52. | 27.35 ft | on 02-02-1973 |
53. | 24.98 ft | on 08-06-1972 |
54. | 22.00 ft | on 10-09-1970 |
55. | 27.46 ft | on 08-08-1970 |
56. | 28.20 ft | on 07-18-1969 |
57. | 14.87 ft | on 04-23-1968 |
58. | 25.35 ft | on 06-12-1967 |
59. | 25.58 ft | on 05-15-1966 |
60. | 25.47 ft | on 03-17-1965 |
61. | 16.90 ft | on 06-23-1964 |
62. | 20.82 ft | on 04-29-1963 |
63. | 25.53 ft | on 03-19-1962 |
64. | 19.80 ft | on 02-18-1961 |
65. | 22.60 ft | on 03-30-1960 |
66. | 22.81 ft | on 05-22-1959 |
67. | 14.43 ft | on 07-02-1958 |
68. | 9.01 ft | on 04-03-1957 |
69. | 7.69 ft | on 08-18-1956 |
70. | 12.02 ft | on 07-10-1955 |
71. | 13.70 ft | on 04-25-1954 |
72. | 20.65 ft | on 06-10-1953 |
73. | 21.83 ft | on 06-22-1952 |
74. | 18.84 ft | on 05-26-1951 |
75. | 20.10 ft | on 05-09-1950 |
76. | 17.80 ft | on 06-25-1949 |
77. | 16.00 ft | on 03-15-1948 |
78. | 24.60 ft | on 06-05-1947 |
79. | 20.00 ft | on 06-19-1946 |
80. | 19.60 ft | on 04-16-1945 |
81. | 19.70 ft | on 05-22-1944 |
82. | 15.10 ft | on 05-15-1943 |
83. | 18.70 ft | on 11-01-1941 |
84. | 20.60 ft | on 06-09-1941 |
85. | 8.30 ft | on 08-11-1940 |
86. | 24.50 ft | on 06-01-1930 |
Historic Crests
1. | 32.85 ft | on 07-05-1981 |
2. | 32.00 ft | on 07-16-1982 |
3. | 31.87 ft | on 06-25-2015 |
4. | 31.57 ft | on 07-29-2008 |
5. | 31.25 ft | on 06-17-1990 |
6. | 30.02 ft | on 07-06-1993 |
7. | 29.91 ft | on 09-10-2014 |
8. | 29.55 ft | on 08-27-1987 |
9. | 29.07 ft | on 06-10-1974 |
10. | 28.42 ft | on 05-07-2007 |
Historic Crests
1. | 32.85 ft | on 07-05-1981 |
2. | 32.00 ft | on 07-16-1982 |
3. | 31.87 ft | on 06-25-2015 |
4. | 31.57 ft | on 07-29-2008 |
5. | 31.25 ft | on 06-17-1990 |
6. | 30.02 ft | on 07-06-1993 |
7. | 29.91 ft | on 09-10-2014 |
8. | 29.55 ft | on 08-27-1987 |
9. | 29.07 ft | on 06-10-1974 |
10. | 28.42 ft | on 05-07-2007 |
11. | 28.20 ft | on 07-18-1969 |
12. | 27.46 ft | on 08-08-1970 |
13. | 27.38 ft | on 04-18-2013 |
14. | 27.35 ft | on 02-02-1973 |
15. | 26.99 ft | on 08-26-1977 |
16. | 26.93 ft | on 04-19-1991 |
17. | 26.77 ft | on 09-16-1992 |
18. | 26.04 ft | on 05-10-1996 |
19. | 25.91 ft | on 07-20-2010 |
20. | 25.91 ft | on 03-30-1998 |
21. | 25.82 ft | on 05-25-2011 |
22. | 25.58 ft | on 05-15-1966 |
23. | 25.53 ft | on 03-19-1962 |
24. | 25.47 ft | on 03-17-1965 |
25. | 25.35 ft | on 06-12-1967 |
26. | 25.21 ft | on 04-27-2009 |
27. | 24.98 ft | on 08-06-1972 |
28. | 24.60 ft | on 06-05-1947 |
29. | 24.50 ft | on 06-01-1930 |
30. | 24.34 ft | on 04-24-1976 |
31. | 24.31 ft | on 06-15-1980 |
32. | 24.27 ft | on 12-14-2015 |
33. | 24.17 ft | on 04-18-1978 |
34. | 24.06 ft | on 05-28-2019 |
35. | 23.15 ft | on 04-30-1984 |
36. | 22.81 ft | on 05-22-1959 |
37. | 22.68 ft | on 05-20-2024 |
38. | 22.60 ft | on 03-30-1960 |
39. | 22.13 ft | on 05-13-2001 |
40. | 22.10 ft | on 05-07-1997 |
41. | 22.00 ft | on 10-09-1970 |
42. | 21.83 ft | on 06-22-1952 |
43. | 21.73 ft | on 06-27-1975 |
44. | 21.47 ft | on 12-28-1982 |
45. | 21.42 ft | on 07-12-1986 |
46. | 20.82 ft | on 04-29-1963 |
47. | 20.65 ft | on 06-10-1953 |
48. | 20.60 ft | on 06-09-1941 |
49. | 20.10 ft | on 05-09-1950 |
50. | 20.00 ft | on 06-19-1946 |
51. | 19.80 ft | on 02-18-1961 |
52. | 19.70 ft | on 05-22-1944 |
53. | 19.60 ft | on 04-16-1945 |
54. | 19.43 ft | on 03-20-2020 |
55. | 19.35 ft | on 04-15-2012 |
56. | 19.18 ft | on 08-04-2004 |
57. | 18.84 ft | on 05-26-1951 |
58. | 18.70 ft | on 11-01-1941 |
59. | 18.36 ft | on 04-08-2021 |
60. | 18.18 ft | on 06-25-2003 |
61. | 18.08 ft | on 06-24-1985 |
62. | 17.89 ft | on 05-08-1995 |
63. | 17.80 ft | on 06-25-1949 |
64. | 17.10 ft | on 05-13-2005 |
65. | 16.90 ft | on 06-23-1964 |
66. | 16.87 ft | on 04-05-2017 |
67. | 16.68 ft | on 04-25-1979 |
68. | 16.60 ft | on 06-25-2000 |
69. | 16.44 ft | on 04-16-1999 |
70. | 16.00 ft | on 03-15-1948 |
71. | 15.63 ft | on 09-04-2018 |
72. | 15.50 ft | on 11-28-1987 |
73. | 15.44 ft | on 03-04-1994 |
74. | 15.24 ft | on 05-03-2022 |
75. | 15.10 ft | on 05-15-1943 |
76. | 14.87 ft | on 04-23-1968 |
77. | 14.43 ft | on 07-02-1958 |
78. | 14.26 ft | on 08-14-2006 |
79. | 13.70 ft | on 04-25-1954 |
80. | 13.20 ft | on 05-11-2002 |
81. | 12.02 ft | on 07-10-1955 |
82. | 11.87 ft | on 09-09-1989 |
83. | 11.45 ft | on 02-27-2023 |
84. | 9.01 ft | on 04-03-1957 |
85. | 8.30 ft | on 08-11-1940 |
86. | 7.69 ft | on 08-18-1956 |
Low Water Records
Low Water Records
Vertical Datum Table
type | NAVD88 | NGVD29 |
---|---|---|
major Flooding | 801.84 ft | 801.97 ft |
moderate Flooding | 799.84 ft | 799.97 ft |
minor Flooding | 798.84 ft | 798.97 ft |
action | 795.84 ft | 795.97 ft |
Latest Value | 775.20 ft | 775.33 ft |
Gauge Zero | 769.84 ft | 769.97 ft |
Gauge Photos
No Images Found
Probability Information
Collaborative Agencies
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.