Navigational warnings on 2017-01-21

UTC day · today

issued
19
cancelled
17
in force at end
521
of these still in force
0

What this reporting period contains

19 messages have issue dates in this period, and 17 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Incidents accounts for 4 of 19 recorded messages (21%), the largest category group in this selection.

HYDROPAC accounts for 10 of 19 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

Incidents4
Exercises3
Other3
Icebergs2
Surveys2
Missiles1
Cable ops1
Nav aids1
Quakes1
Derelicts1

Issued · by sea

South Atlantic Ocean3
North Pacific Ocean2
South China Sea2
Bay of Bengal2
Labrador Sea1
Philippine Sea1
Timor Sea1
Molukka Sea1

HYDROPAC 10 · HYDROLANT 5 · NAVAREA IV 2 · NAVAREA XII 1 · USGS earthquakes 1

Issued · 19

Cancelled · 17

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 2017-01-21 · seahazards