Navigational warnings on 2017-03-27

UTC day · today

issued
52
cancelled
36
in force at end
471
of these still in force
0

What this reporting period contains

52 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.

Exercises accounts for 13 of 52 recorded messages (25%), the largest category group in this selection.

HYDROPAC accounts for 24 of 52 recorded messages (46%), 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

Exercises13
Other10
Surveys9
War risk3
Missiles3
Incidents3
Icebergs3
Nav aids3
Derelicts2
Quakes1
Restricted1
Cable ops1

Issued · by sea

North Pacific Ocean8
North Atlantic Ocean5
South Atlantic Ocean3
Black Sea3
Indian Ocean2
South China Sea2
Bay of Bengal2
Gulf of Mexico1

HYDROPAC 24 · HYDROLANT 16 · NAVAREA IV 7 · NAVAREA XII 3 · HYDROARC 1 · USGS earthquakes 1

Issued · 52

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 2017-03-27 · seahazards