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| GUADALUPE RIVER - SAN JOSE AT ALMADEN EXPRESSWAY (GUDC1) | ||||||||||||||||||
| Latitude: 37.28º N | Longitude: 121.88º W | Elevation: 150 Feet | ||||||||||||||||
| Location: Santa Clara County in CA | ||||||||||||||||||
| River Group: Central Coast | ||||||||||||||||||
| Issuance Time: | Jan 09 2026 at 1:58 PM PST |
| Action/ Monitor: 9.0 Ft | Minor Flood: 10.5 Ft | Moderate Flood: 11.5 Ft | Major Flood: 15.0 Ft |
| Please Note: | Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty. |
| Short-Range Peak Exceedance Plot Product Info. | CSV Ensemble Files (Data in kcfs): Forecast Group | GUDC1 | ||||||||||||||||||||||||||||||||||||
Select up to 2 thresholds to use to calculate exceedance probabilities.
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| Location Photographs | ||
| ESRI™ Locator Map |
| Flood Impacts | |
| 12.0 Feet | Major Flood Stage. Flooding continues to spill near Alam Avenue, flowing northward and crossing east under Willow Street and Alma Avenue viaducts, continuing to flow north. Overbanking occurs at Atlanta Avenue just upstream of CA87. The Willow Glen Neighborhood bounded by Willow Street and Minnesota Avenue see overland flooding. Overbanking occurs in various locations between Alma Avenue and Willow Glen Way. Potential flooding on Ross and Canoas Creeks due to high backwater caused by Guadalupe River. |
| 11.73 Feet | Historical High Water - January 1995 |
| 11.0 Feet | Moderate Flood Stage. River continues to overtop upstream of Alma Avenue Bridge into the Elks Lodge, spilling north along Lelong Street. Alma Avenue/CA87 viaduct is flooded. Creek overbanks west near Minnesota Avenue downstream of Alma Avenue. Properties south of the old UPRR alignment in the Northern Cross Neighborhood also at risk. |
| 10.5 Feet | Minor Flood Stage. River begins to overtop upstream of Alma Avenue Bridge into the Elks Lodge, spilling north , as well as near the RxR on the east bank. |
| 9.0 Feet | Action Stage: Additional flow from Canoas Creek watershed or increased reservoir spills may bring river to flood stage. |
| Official 7 Day National Weather Service Forecast (CAZ513) |
| Tonight: Clear in the evening then becoming partly cloudy. Lows in the mid 30s. Northeast winds around 5 mph and becoming east after midnight. Saturday: Partly cloudy. Highs around 60. East winds around 5 mph and becoming northwest in the afternoon. Saturday Night: Mostly cloudy. Lows in the upper 30s. Northeast winds around 5 mph. Sunday: Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower 60s. Northeast winds around 5 mph. Sunday Night: Mostly clear. Lows around 40. Northeast winds around 5 mph. Monday: Sunny. Highs in the mid 60s. Monday Night through Friday: Mostly clear. Lows in the 40s. Highs in the upper 60s. |
| Flood Impacts | |
| 12.0 Feet | Major Flood Stage. Flooding continues to spill near Alam Avenue, flowing northward and crossing east under Willow Street and Alma Avenue viaducts, continuing to flow north. Overbanking occurs at Atlanta Avenue just upstream of CA87. The Willow Glen Neighborhood bounded by Willow Street and Minnesota Avenue see overland flooding. Overbanking occurs in various locations between Alma Avenue and Willow Glen Way. Potential flooding on Ross and Canoas Creeks due to high backwater caused by Guadalupe River. |
| 11.73 Feet | Historical High Water - January 1995 |
| 11.0 Feet | Moderate Flood Stage. River continues to overtop upstream of Alma Avenue Bridge into the Elks Lodge, spilling north along Lelong Street. Alma Avenue/CA87 viaduct is flooded. Creek overbanks west near Minnesota Avenue downstream of Alma Avenue. Properties south of the old UPRR alignment in the Northern Cross Neighborhood also at risk. |
| 10.5 Feet | Minor Flood Stage. River begins to overtop upstream of Alma Avenue Bridge into the Elks Lodge, spilling north , as well as near the RxR on the east bank. |
| 9.0 Feet | Action Stage: Additional flow from Canoas Creek watershed or increased reservoir spills may bring river to flood stage. |
