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| MERCED RIVER - YOSEMITE AT POHONO BRIDGE (POHC1) | ||||||||||||||||||
| Latitude: 37.72º N | Longitude: 119.67º W | Elevation: 3862 Feet | ||||||||||||||||
| Location: Mariposa County in CA | ||||||||||||||||||
| River Group: San Joaquin | ||||||||||||||||||
| Issuance Time: | May 09 2025 at 9:11 AM PDT |
| Please Note: | Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty. Flow data on this product are unregulated / full natural flow. |
| 4x5-Day Probability Plot |
| Tabular 4 x 5-Day Streamflow Volume Data | |||||
| Observed Peak 1-Day Streamflow Volume: (April 1 at 12 UTC to Current Date at 12 UTC) | Observed 05/09/2025 5.2kaf | ||||
| Forecast Peak 1-Day Streamflow Volume: (Current Date at 12 UTC to August 1 at 12 UTC) | 10% (Max) 05/14/2025 8.9kaf | 25% 05/12/2025 8.7kaf | 50% (Prob) 05/12/2025 8.5kaf | 75% 05/12/2025 8.2kaf | 90% (Min) 05/12/2025 7.9kaf |
| Tabular 5-Day Volume Accumulations (1000s of Acre-Feet) | ||||
| Probability | 05/09 to 05/14 | 05/14 to 05/19 | 05/19 to 05/24 | 05/24 to 05/29 |
| 10% | 37.7 kaf | 30.2 kaf | 32.8 kaf | 24.0 kaf |
| 25% | 36.2 kaf | 27.1 kaf | 30.5 kaf | 22.2 kaf |
| 50% (Median) | 35.7 kaf | 24.4 kaf | 27.4 kaf | 20.9 kaf |
| 75% | 34.2 kaf | 21.8 kaf | 23.6 kaf | 15.8 kaf |
| 90% | 33.2 kaf | 19.3 kaf | 21.2 kaf | 14.4 kaf |
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ324) |
| Today: Warmer, sunny. Highs 72 to 84. Southeast winds up to 5 mph shifting to the southwest in the afternoon. Tonight: Mostly clear. Lows 54 to 62. Northeast winds up to 5 mph. Saturday: Sunny. Highs 74 to 84. East winds up to 5 mph increasing to southwest 10 to 15 mph in the afternoon. Saturday Night: Mostly clear. Lows 52 to 58. Southwest winds 5 to 10 mph with gusts to around 25 mph shifting to the southeast after midnight. Sunday: Sunny. Highs 64 to 74. South winds up to 10 mph increasing to southwest 10 to 20 mph in the afternoon. Sunday Night and Monday: Cooler. Mostly clear. Lows in the mid 40s. Highs 52 to 64. Monday Night: Colder. Mostly cloudy. Chance of rain in the evening, then chance of rain and snow after midnight. Lows 34 to 40. Chance of precipitation 50 percent. Tuesday: Partly sunny. Chance of rain showers in the afternoon. Highs 44 to 54. Chance of showers 50 percent. Tuesday Night: Mostly cloudy in the evening then clearing. Lows 33 to 39. Wednesday: Not as cool. Sunny. Highs 54 to 64. Wednesday Night: Partly cloudy. Lows 39 to 45. Thursday: Sunny. Highs 59 to 69. |
| Flood Impacts | |
| 23.45 Feet | Flood of record...1/3/97. $178 million damage to Yosemite Valley. |
| 13.6 Feet | Lift stations at Housekeeping Camp and Yosemite Creek flooded. Southside Drive at Chapel Meadow impassable. |
| 12.5 Feet | Northside Drive at Wosky Pond, El Capitan crossover, and Sentinel crossover are impassable to vehicles. |
| 12.0 Feet | Water on road at Northside Drive, Southside Drive, El Capitan crossover, Sentinel crossover, and Highway 140 near Cookie Cliff. |
| 11.4 Feet | Water begins to overtop road curbs on Northside Drive. Swinging Bridge overtops. |
| 10.0 Feet | Merced River at Pohono Bridge begins to rise out of its banks. Flood Stage. |
| 9.5 Feet | Lower Pines and Housekeeping Camp begin flooding. |
| 7.0 Feet | RIVER IS CLOSED TO RAFTERS AND FLOATATION DEVICES. |