Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Monterey Bay

Tornado – Residency

10th sighting in Monterey Bay
Fluke of Tornado
Tornado Confirmed in the catalog @41687
Aug 27 – Dec 6, 2020 · Monterey Bay

Monterey Bay · Aug – Dec 2020

104 m
Deepest dive
4:18
Longest dive
94
Dives
Sightings
9
Days between first and last sighting
101

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 27, 2020133 m15.5°C65 m
Oct 16, 202073 m14.9°C65 m
Oct 17, 202073 m14.9°C55 m
Oct 18, 2020152 m15.3°C90 m
Oct 24, 202082 m15.3°C30 m
Oct 29, 2020502 m15.5°C86 m
Nov 12, 2020154 m12.4°C104 m
Nov 22, 2020405 m12.8°C86 m
Dec 6, 2020179 m11.9°C85 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Aug 27, 2020 — seafloor 133 m (measured), deepest dive 65 m (modelled)Aug 27Oct 16, 2020 — seafloor 73 m (measured), deepest dive 65 m (modelled)Oct 16Oct 17, 2020 — seafloor 73 m (measured), deepest dive 55 m (modelled)Oct 17Oct 18, 2020 — seafloor 152 m (measured), deepest dive 90 m (modelled)Oct 18Oct 24, 2020 — seafloor 82 m (measured), deepest dive 30 m (modelled)Oct 24Oct 29, 2020 — seafloor 502 m (measured), deepest dive 86 m (modelled)Oct 29Nov 12, 2020 — seafloor 154 m (measured), deepest dive 104 m (modelled)Nov 12Nov 22, 2020 — seafloor 405 m (measured), deepest dive 86 m (modelled)Nov 22Dec 6, 2020 — seafloor 179 m (measured), deepest dive 85 m (modelled)Dec 6

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

104 m
Deepest dive
4:18
Longest dive
94
Dives
30 m
Avg dive depth
9
Sightings
101
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150104 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (154 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

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Place

Where this happened · Nov 12, 2020

measured
Seafloor depth
154 m
Sea-surface temperature
12.4°C
Distance from shore
12.0 km

Across the residency · 9 sightings

measured
Seafloor depth
73 m – 502 m
Sea-surface temperature
11.9°C – 15.5°C
Distance from shore
2.0 km – 16.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 9 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

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Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.