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COWLITZ - MOSSYROCK RESERVOIR (MSRW1) Forecasts for Water Year 2027 |
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Natural Forecast
ESP with 10 Days QPF Ensemble: 2026-10-13 Issued: 2026-10-13 Hide Forecast | |||||
| Forecasts Are in KAF | 30 Year Average (1991-2020) | ||||
| 90 % | 50 % | % Average |
10 % | ||
| APR-SEP | 1078 | 1561 | 89 | 2047 | 1755 |
| APR-JUL | 956 | 1416 | 91 | 1744 | 1550 |
| APR-AUG | 1022 | 1501 | 90 | 1872 | 1663 |
| JAN-SEP | 2025 | 2647 | 88 | 3255 | 3012 |
| JAN-JUL | 1901 | 2471 | 88 | 3012 | 2808 |
| OCT-SEP | 2507 | 3315 | 83 | 4246 | 3978 |
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Experimental
HEFS with 15 days EQPF Ensemble: 2026-10-13 Issued: 2026-10-13 Hide Forecast | |||||
| APR-SEP | 1075 | 1559 | 89 | 2047 | 1755 |
| APR-JUL | 955 | 1410 | 91 | 1743 | 1550 |
| APR-AUG | 1021 | 1494 | 90 | 1873 | 1663 |
| JAN-SEP | 2013 | 2631 | 87 | 3251 | 3012 |
| JAN-JUL | 1882 | 2472 | 88 | 3007 | 2808 |
| OCT-SEP | 2401 | 3307 | 83 | 4160 | 3978 |
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Reference
ESP with 0 Days QPF Ensemble: 2026-10-13 Issued: 2026-10-13 Hide Forecast | |||||
| APR-SEP | 1078 | 1564 | 89 | 2048 | 1755 |
| APR-JUL | 957 | 1418 | 91 | 1747 | 1550 |
| APR-AUG | 1023 | 1504 | 90 | 1875 | 1663 |
| JAN-SEP | 2032 | 2627 | 87 | 3256 | 3012 |
| JAN-JUL | 1904 | 2487 | 89 | 3013 | 2808 |
| OCT-SEP | 2466 | 3427 | 86 | 4231 | 3978 |
| Move the mouse over the desired "Forecast Period" to display a graph. | |||||
APR-SEP
