Navigational warnings on 2012-04-17

UTC day · today

issued
31
cancelled
28
in force at end
292
of these still in force
0

What this reporting period contains

31 messages have issue dates in this period, and 28 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 7 of 31 recorded messages (23%), the largest category group in this selection.

HYDROPAC accounts for 16 of 31 recorded messages (52%), 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

Other7
Quakes4
Exercises4
Cable ops3
Derelicts2
Incidents2
Missiles2
Surveys2
Wrecks1
Debris1
Nav aids1
Piracy1
Icebergs1

Issued · by sea

South Pacific Ocean2
North Atlantic Ocean2
South Atlantic Ocean2
Arabian Sea2
Gulf of Mexico1
Indian Ocean1
South China Sea1
Mozambique Channel1

HYDROPAC 16 · HYDROLANT 5 · NAVAREA IV 4 · USGS earthquakes 4 · HYDROARC 2

Issued · 31

Cancelled · 28

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 2012-04-17 · seahazards