Navigational warnings on 2012-04-01

UTC day · today

issued
19
cancelled
14
in force at end
269
of these still in force
0

What this reporting period contains

19 messages have issue dates in this period, and 14 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Incidents accounts for 4 of 19 recorded messages (21%), the largest category group in this selection.

HYDROLANT accounts for 8 of 19 recorded messages (42%), 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

Incidents4
Derelicts3
Cable ops3
Nav aids3
Other2
Quakes2
Exercises1
Icebergs1

Issued · by sea

North Pacific Ocean5
South Atlantic Ocean3
South China Sea2
North Atlantic Ocean2
North Sea2
Gulf of St. Lawrence1
Arabian Sea1
South Pacific Ocean1

HYDROLANT 8 · HYDROPAC 6 · NAVAREA XII 2 · USGS earthquakes 2 · NAVAREA IV 1

Issued · 19

Cancelled · 14

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 2012-04-01 · seahazards