Weir | NWPS Forecast 10/21 |
NWPS Forecast 10/20 |
NWPS Forecast 10/19 |
NWPS Forecast 10/18 |
Today Peak | Today Hour | 10/16 | 10/15 | 10/14 | 10/13 | 10/12 | 10/11 | 10/10 | 10/09 | 10/08 | 10/07 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MLW | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | ||
CLW | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 |
||
TIS | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | < -0.50 | ||
FRE | -17.59 | -17.58 | -17.57 | -17.57 | -17.55 | -17.58 | -17.41 | -17.34 | -16.87 | -16.31 | -15.82 | -15.53 | -15.49 | -15.28 |
Weir | Moulton Weir (MLW) | Colusa Weir (CLW) | Tisdale Weir (TIS) | Fremont Weir (FRE) |
---|---|---|---|---|
River Stage Levels |
Minimum: 75.7
Crest: 76.2 Flood: 83.8 Danger: 84.8 Datum: NAVD88 |
Minimum: 60.4
Crest: 60.9 Flood: 70.1 Danger: 71.1 Datum: NAVD88 |
Minimum: 43.6
Crest: 44.1 Flood: 51.6 Danger: 52.6 Datum: NAVD88 |
Minimum: NA
Crest: 32.0 Flood: 39.5 Danger: 40.5 Datum: NAVD88 |
Summary for 10/07/2025 - 10/16/2025 |
Peak: Below Minimum Crest: 0 Days Flood: 0 Days Danger: 0 Days |
Peak: 59.50 on 2025-10-07 Crest: 0 Days Flood: 0 Days Danger: 0 Days |
Peak: Below Minimum Crest: 0 Days Flood: 0 Days Danger: 0 Days |
Peak: 16.72 on 2025-10-07 Crest: 0 Days Flood: 0 Days Danger: 0 Days |
Site History Last Date |
Over Crest: 2025-02-18 Over Flood: Over Danger: |
Over Crest: 2025-02-23 Over Flood: 1999-04-22 Over Danger: |
Over Crest: 2025-03-24 Over Flood: 2000-04-15 Over Danger: 1999-05-24 |
Over Crest: 2025-02-25 Over Flood: 1997-01-04 Over Danger: 1984-08-21 |
National Water Prediction Service | River Forecast at Moulton | River Forecast at Colusa | River Forecast at Tisdale | River Forecast at Fremont |
California Nevada River Forecast Center River Forecast | River Forecast at Moulton | River Forecast at Colusa | River Forecast at Tisdale | River Forecast at Fremont |
WY2026 | Moulton Weir MLW Minimum: 75.7 Crest: 76.2 Datum: NAVD88 |
Colusa Weir CLW Minimum: 60.4 Crest: 60.9 Datum: NAVD88 |
Tisdale Weir TIS Minimum: 43.6 Crest: 44.1 Datum: NAVD88 |
Fremont Weir FRE Minimum: NA Crest: 32.0 Datum: NAVD88 |
||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Daily Avg | Ft above Crest | Ft above/ below Flood |
Daily Avg | Ft above Crest | Ft above/ below Flood |
Daily Avg | Ft above Crest | Ft above/ below Flood |
Daily Avg | Ft above Crest | Ft above/ below Flood |
|
NWPS Forecast 2025-10-21 | 76.10 | 60.80 | 44.00 | 14.41 | ||||||||
NWPS Forecast 2025-10-20 | 76.10 | 60.80 | 44.00 | 14.42 | ||||||||
NWPS Forecast 2025-10-19 | 76.10 | 60.80 | 44.00 | 14.43 | ||||||||
NWPS Forecast 2025-10-18 | 76.10 | 60.80 | 44.00 | 14.43 | ||||||||
2025-10-16 | 59.50 | 14.45 | ||||||||||
2025-10-15 | 59.50 | 14.42 | ||||||||||
2025-10-14 | 59.50 | 14.59 | ||||||||||
2025-10-13 | 59.50 | 14.66 | ||||||||||
2025-10-12 | 59.50 | 15.13 | ||||||||||
2025-10-11 | 59.50 | 15.69 | ||||||||||
2025-10-10 | 59.50 | 16.18 | ||||||||||
2025-10-09 | 59.50 | 16.47 | ||||||||||
2025-10-08 | 59.50 | 16.51 | ||||||||||
2025-10-07 | 59.50 | 16.72 | ||||||||||
2025-10-06 | 59.50 | 16.95 | ||||||||||
2025-10-05 | 59.50 | 17.08 | ||||||||||
2025-10-04 | 59.50 | 16.95 | ||||||||||
2025-10-03 | 59.50 | 16.77 | ||||||||||
2025-10-02 | 59.50 | 16.70 | ||||||||||
2025-10-01 | 59.50 | 16.70 |
To subscribe to the SacPAS Weir Alert email, please email web@cbr.washington.edu with the subject "SacPAS Weir Alert Subscription". At this time, subscribing and unsubscribing to the alert is a manual process.
Emails are generated once daily at 9:15 am on days where the daily average river stage value for "yesterday" is greater than the crest level at least 1 of the 4 weirs being monitored or the NWPS Forecast is greater than the crest level.
Sample email content for 22 December 2021:
ALERT NWS Forecast: Tisdale (TIS) on 12/25 to crest minimum 44.1: + 0.44 ft. WY 2022 (82 Days) Summary Moulton (MLW) Crest Days: 0 (0.00 %) Flood Days: 0 Danger Days: 0 Colusa (CLW) Crest Days: 0 (0.00 %) Flood Days: 0 Danger Days: 0 Tisdale (TIS) Crest Days: 3 (3.66 %) Flood Days: 0 Danger Days: 0 Fremont (FRE) Crest Days: 0 (0.00 %) Flood Days: 0 Danger Days: 0 To see full analysis, please refer to "Alert: Sacramento River Weirs Overtopping" on SacPAS website. URL: www.cbr.washington.edu/sacramento//data/alert_weirs.html Thank you, SacPAS Web Team =============== This is automatic email generated by analysis at 22 Dec 2021 09:15:02 PST Replies to this email go unanswered.