Navigational warnings on 2017-01-17

UTC day · today

issued
37
cancelled
36
in force at end
496
of these still in force
0

What this reporting period contains

37 messages have issue dates in this period, and 36 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Other accounts for 10 of 37 recorded messages (27%), the largest category group in this selection.

HYDROPAC accounts for 18 of 37 recorded messages (49%), the largest source series group in this selection.

Separate updates to the same activity count as separate messages. The original records below show what was reported and when.

Issued · by type

Other10
Incidents7
Nav aids6
Exercises4
Cable ops2
Icebergs2
Surveys2
Quakes1
Ordnance1
Missiles1
Derelicts1

Issued · by sea

Bay of Bengal4
North Pacific Ocean4
South China Sea3
North Sea3
The Coastal Waters of Southeast Alaska and British Columbia2
South Pacific Ocean1
Coral Sea1
Mediterranean Sea - Western Basin1

HYDROPAC 18 · HYDROLANT 11 · NAVAREA XII 5 · NAVAREA IV 2 · USGS earthquakes 1

Issued · 37

Cancelled · 36

Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.

Navigational warnings on 2017-01-17 · seahazards