Navigational warnings on 2017-03-31

UTC day · today

issued
59
cancelled
72
in force at end
448
of these still in force
0

What this reporting period contains

59 messages have issue dates in this period, and 72 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 16 of 59 recorded messages (27%), the largest category group in this selection.

HYDROPAC accounts for 28 of 59 recorded messages (47%), 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

Exercises16
Other13
Surveys8
Incidents8
Nav aids4
Quakes2
Icebergs2
Missiles2
Spills1
Containers1
Derelicts1
Restricted1

Issued · by sea

South China Sea7
Black Sea7
South Atlantic Ocean7
North Atlantic Ocean7
Coral Sea3
North Pacific Ocean2
Philippine Sea2
Bay of Bengal2

HYDROPAC 28 · HYDROLANT 23 · NAVAREA IV 3 · HYDROARC 2 · USGS earthquakes 2 · NOAA IncidentNews 1

Issued · 59

Cancelled · 72

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 2017-03-31 · seahazards