Classification: correct Confidence: Model confidence remains stable. Correct classification of a null/near-null event reinforces the robustness of the dry-soil filtering logic.
The model correctly predicted a negligible rise (1.9 ft) on a day with minimal rainfall and no gauge precipitation, accurately characterizing the quiet hydrological conditions despite a large timing discrepancy inherent to the daily snapshot.
| Metric | Predicted | Actual | Error |
|---|---|---|---|
| Peak height | 1.9 ft | 1.89 ft | +0.01 ft |
| Total rise | — | 0.01 ft | — |
| Band | Precip | Predicted Rise | Intensity | Moisture |
|---|---|---|---|---|
| 4 | 0.12" | 0.02 ft | LIGHT | DRY |
| 5 | 0.36" | 0.06 ft | MODERATE | 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 outcome of a flat hydrograph and negligible rise.
Today's event was hydrologically insignificant, with a flat hydrograph and only a 0.01 ft rise recorded at the gauge. The gauge precipitation sensor recorded 0 inches, confirming that any QPE signal was likely noise or failed to reach the ground. The physics model predicted a peak of 1.9 ft, which is within 0.5% of the actual peak of 1.89 ft. This is a 'correct' classification because the magnitude of the predicted rise matched the observed baseline stability.
The predicted rise of ~0.1-0.2 ft above baseline was driven by minor QPE signals in Bands 4 and 5 later in the day (UTC 16:12-18:12). Given the DRY moisture tier (0.09" 7-day average), the low response coefficients for headwaters bands (0.361 and 0.309 ft/inch) dampened the impact of this minimal rainfall to near-zero. The timing error of ~25 hours is consistent with previous correct predictions where the actual 'peak' was the baseline level observed at the start of the window, while the prediction modeled a potential future rise that never materialized due to the dry soil absorbing the trace moisture.
No adjustments are recommended. The model successfully filtered out QPE noise on dry ground, preventing a false positive alert. The conservative approach of the current coefficients for DRY conditions proved effective here.
No changes made.
Model confidence remains stable. Correct classification of a null/near-null event reinforces the robustness of the dry-soil filtering logic.