Navigational warnings on 2017-03-18

UTC day · today

issued
30
cancelled
34
in force at end
457
of these still in force
0

What this reporting period contains

30 messages have issue dates in this period, and 34 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 11 of 30 recorded messages (37%), the largest category group in this selection.

HYDROPAC accounts for 16 of 30 recorded messages (53%), 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

Other11
Incidents7
Exercises5
Surveys3
Icebergs2
Derelicts1
Containers1

Issued · by sea

North Atlantic Ocean3
North Pacific Ocean2
Indian Ocean2
Black Sea2
South Pacific Ocean2
Singapore Strait1
Southern Ocean1
South China Sea1

HYDROPAC 16 · HYDROLANT 13 · NAVAREA IV 1

Issued · 30

Cancelled · 34

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 2017-03-18 · seahazards