Navigational warnings on 2012-11-21

UTC day · today

issued
28
cancelled
33
in force at end
307
of these still in force
0

What this reporting period contains

28 messages have issue dates in this period, and 33 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 11 of 28 recorded messages (39%), the largest category group in this selection.

HYDROPAC accounts for 11 of 28 recorded messages (39%), 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

Other11
Incidents7
Nav aids3
Exercises2
Missiles1
Quakes1
Icebergs1
Debris1
Derelicts1

Issued · by sea

North Pacific Ocean3
South Pacific Ocean2
Indian Ocean1
South Atlantic Ocean1
South China Sea1
Molukka Sea1
Davis Strait1
North Atlantic Ocean1

HYDROPAC 11 · HYDROLANT 8 · NAVAREA IV 5 · NAVAREA XII 2 · HYDROARC 1 · USGS earthquakes 1

Issued · 28

Cancelled · 33

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 2012-11-21 · seahazards