Navigational warnings on 2017-01-01

UTC day · today

issued
28
cancelled
31
in force at end
455
of these still in force
0

What this reporting period contains

28 messages have issue dates in this period, and 31 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Exercises accounts for 11 of 28 recorded messages (39%), the largest category group in this selection.

HYDROLANT accounts for 19 of 28 recorded messages (68%), 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

Exercises11
Other4
Icebergs3
Incidents2
Volcanic2
Derelicts2
Surveys2
Missiles1
Debris1

Issued · by sea

Aegean Sea8
South Atlantic Ocean4
Ionian Sea3
South China Sea3
North Pacific Ocean2
Labrador Sea1
North Sea1

HYDROLANT 19 · HYDROPAC 6 · NAVAREA XII 2 · NAVAREA IV 1

Issued · 28

Cancelled · 31

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 2017-01-01 · seahazards