Navigational warnings on 2011-03-21

UTC day · today

issued
18
cancelled
16
in force at end
294
of these still in force
0

What this reporting period contains

18 messages have issue dates in this period, and 16 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Piracy accounts for 6 of 18 recorded messages (33%), the largest category group in this selection.

HYDROPAC accounts for 13 of 18 recorded messages (72%), 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

Piracy6
Incidents3
Other3
Nav aids2
Derelicts1
Quakes1
Surveys1
Exercises1

Issued · by sea

Arabian Sea5
Indian Ocean2
North Pacific Ocean2
Philippine Sea1
Irish Sea and St. George's Channel1
Caribbean Sea1
North Sea1
Baltic Sea1

HYDROPAC 13 · HYDROLANT 3 · NAVAREA IV 1 · USGS earthquakes 1

Issued · 18

Cancelled · 16

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 2011-03-21 · seahazards