Navigational warnings on 2011-03-18

UTC day · today

issued
30
cancelled
32
in force at end
302
of these still in force
0

What this reporting period contains

30 messages have issue dates in this period, and 32 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Nav aids, Piracy tie for the largest recorded count, with 8 messages each.

HYDROPAC accounts for 14 of 30 recorded messages (47%), 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

Piracy8
Nav aids8
Quakes4
Exercises3
Incidents3
Other2
Missiles1
Surveys1

Issued · by sea

Arabian Sea7
North Pacific Ocean4
South Atlantic Ocean4
Coral Sea1
North Atlantic Ocean1
Gulf of Alaska1
South Pacific Ocean1

HYDROPAC 14 · HYDROLANT 7 · NAVAREA XII 5 · USGS earthquakes 2 · HYDROARC 1 · NAVAREA IV 1

Issued · 30

Cancelled · 32

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 2011-03-18 · seahazards