Classification: no_prediction Confidence: Model confidence remains low due to repeated 'no_prediction' failures despite clear hydrologic responses. The physics engine is struggling to trigger predictions for events with significant QPE but no local gauge precipitation, even in wet conditions.
No physics prediction was generated despite a significant 2.08 ft gauge rise driven by widespread QPE across all bands and wet antecedent conditions.
| Metric | Predicted | Actual | Error |
|---|---|---|---|
| Peak height | N/A | 5.33 ft | N/A |
| Total rise | — | 2.08 ft | — |
| Band | Precip | Predicted Rise | Intensity | Moisture |
|---|---|---|---|---|
Headline: Watch — Recent rainfall is in the lower-bound range preceding rises to MEDIUM Settled outcome: verified (reached medium) LLM said headline was correct: True Notes: The empirical model correctly predicted the gauge would reach the 'medium' tier, which was verified by the actual peak of 5.33 ft (medium threshold is 3.4 ft, high is 5.5 ft).
The prediction engine failed to produce a numeric output (Predicted peak: None), classifying this event as 'no_prediction'. However, the gauge recorded a substantial rise of 2.08 ft, peaking at 5.33 ft. This occurred despite zero recorded precipitation at the local gauge sensor, which is consistent with recent historical trends where rises occurred with minimal or no local gauge precip but significant QPE inputs.
The QPE data shows a synchronized rainfall event across Bands 1-5, peaking around 06:12-07:12 UTC. Band 1 received 1.23 inches, while Bands 2-5 received between 0.96 and 1.46 inches. Given the 'WET' moisture tier (multiplier 1.5) and the broad hydrograph shape indicating multi-band contributions, a prediction should have been generated. The failure to predict likely stems from the model's recent downward adjustments to Bands 2-4 following previous overpredictions, potentially causing these bands to fall below effective thresholds or contributing to a logic failure when combined with the lack of local gauge rain.
Because no prediction was made, coefficient adjustments cannot be directly derived from error metrics. However, the empirical forecast model performed well, correctly predicting a 'Medium' tier rise. The recurrence of un-predicted rises in wet/saturated conditions suggests the physics model may be overly conservative post-recent calibrations, particularly in how it handles widespread but moderate-intensity rainfall without local gauge confirmation.
No changes made.
Model confidence remains low due to repeated 'no_prediction' failures despite clear hydrologic responses. The physics engine is struggling to trigger predictions for events with significant QPE but no local gauge precipitation, even in wet conditions.