Navigational warnings on 2017-07-13

UTC day · today

issued
31
cancelled
25
in force at end
478
of these still in force
0

What this reporting period contains

31 messages have issue dates in this period, and 25 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 7 of 31 recorded messages (23%), the largest category group in this selection.

HYDROLANT accounts for 16 of 31 recorded messages (52%), 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

Other7
Exercises6
Nav aids4
Surveys4
Incidents3
Derelicts2
Missiles2
Piracy1
Icebergs1
Quakes1

Issued · by sea

Black Sea4
South China Sea3
North Pacific Ocean2
Labrador Sea2
South Atlantic Ocean2
Mediterranean Sea - Eastern Basin2
The Coastal Waters of Southeast Alaska and British Columbia1
Gulf of Alaska1

HYDROLANT 16 · HYDROPAC 7 · NAVAREA XII 5 · NAVAREA IV 2 · USGS earthquakes 1

Issued · 31

Cancelled · 25

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 2017-07-13 · seahazards