Navigational warnings on 2011-08-17

UTC day · today

issued
20
cancelled
21
in force at end
244
of these still in force
0

What this reporting period contains

20 messages have issue dates in this period, and 21 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 20 recorded messages (30%), the largest category group in this selection.

HYDROPAC accounts for 14 of 20 recorded messages (70%), 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
Piracy2
Derelicts2
Nav aids2
Surveys1
Cable ops1
Other1
Quakes1

Issued · by sea

North Pacific Ocean2
Mediterranean Sea - Western Basin1
Gulf of Aden1
Indian Ocean1
South China Sea1
Red Sea1
Solomon Sea1
Bismarck Sea1

HYDROPAC 14 · HYDROLANT 4 · NAVAREA IV 1 · USGS earthquakes 1

Issued · 20

Cancelled · 21

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 2011-08-17 · seahazards