Dynamical structures and precipitation distributions of transitioning tropical cyclones in Eastern Canada, 1979-2004
Bibliographic record
Abstract
From 1979-2004, 32 storms originally tropical in nature (as classified by the National Hurricane Center) have affected Eastern Canada to various degrees during or after extratropical transition (ET). This study examines the dynamical structure of these 32 cases from quasi-geostrophic (QG) and potential vorticity (PV) perspectives, primarily utilizing the National Centers for Environmental Prediction (NCEP) North American Regional Reanalysis (NARR). A composite diagnosis is performed using the Sutcliffe/Trenberth (advection of mid-tropospheric vorticity by the thermal wind), the storms were partitioned into two groups, "intensifying" and "decaying", based upon the QG forcing for ascent. Composite synoptic structures, from both QG and potential vorticity (PV) views, will be presented for both partitioned groups of storms. In addition, precipitation distributions are analyzed using the 3-hour accumulated precipitation field in the NARK.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".