Navigational warnings on 2011-12-31

UTC day · today

issued
26
cancelled
36
in force at end
244
of these still in force
0

What this reporting period contains

26 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 6 of 26 recorded messages (23%), the largest category group in this selection.

HYDROLANT accounts for 17 of 26 recorded messages (65%), 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

Exercises6
Incidents4
Nav aids4
Cable ops3
Other3
Piracy2
Quakes1
Missiles1
Derelicts1
Containers1

Issued · by sea

Aegean Sea4
South Pacific Ocean3
North Atlantic Ocean2
North Sea2
Ionian Sea1
Arabian Sea1
The Coastal Waters of Southeast Alaska and British Columbia1
Gulf of Guinea1

HYDROLANT 17 · HYDROPAC 7 · NAVAREA XII 1 · USGS earthquakes 1

Issued · 26

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 2011-12-31 · seahazards