Classification: correct Confidence: Model confidence remains high for dry conditions, as the prediction closely matched the observed near-baseline response.
The model accurately predicted a near-baseline peak of 1.84 ft, closely matching the observed 1.89 ft peak on a very dry day with minimal runoff.
| Metric | Predicted | Actual | Error |
|---|---|---|---|
| Peak height | 1.84 ft | 1.89 ft | -0.05 ft |
| Total rise | — | 0.08 ft | — |
| Band | Precip | Predicted Rise | Intensity | Moisture |
|---|---|---|---|---|
| 1 | 0.18" | 0.00 ft | MODERATE | VERY DRY |
| 2 | 0.19" | 0.00 ft | LIGHT | VERY DRY |
| 3 | 0.30" | 0.00 ft | LIGHT | VERY DRY |
| 4 | 0.30" | 0.00 ft | MODERATE | VERY DRY |
| 5 | 0.66" | 0.00 ft | HEAVY | VERY DRY |
Headline: No rise indicated by recent rainfall Settled outcome: None (reached None) LLM said headline was correct: True Notes: The empirical headline 'No rise indicated by recent rainfall' was borne out by the actual flat hydrograph and negligible rise.
The event occurred under VERY DRY moisture conditions (7-day rain 0.366") with light rainfall distributed across all bands but concentrated in Band 5. The hydrograph remained flat with a negligible 0.08 ft rise, indicating that the low antecedent moisture effectively suppressed runoff generation despite the presence of precipitation.
The prediction of 1.84 ft peak was highly accurate, with a -2.6% error relative to the actual 1.89 ft peak. This confirms that the current moisture tier multipliers and band response coefficients are correctly attenuating the rainfall signal under dry conditions. The empirical forecast also correctly indicated 'No rise', further validating the model's conservative approach during dry periods.
Given the high accuracy and the clear suppression of runoff by dry soil conditions, no calibration adjustments are recommended. The system is performing as expected for this moisture regime.
Predictions issued today: none archived as active; grading the end-of-day card (generated 2026-09-07T04:20:02.048236+00:00).
Grade-only mode: no adjustments suggested; calibration is fit offline.
Model confidence remains high for dry conditions, as the prediction closely matched the observed near-baseline response.