Navigational warnings on 2012-03-22

UTC day · today

issued
20
cancelled
19
in force at end
301
of these still in force
0

What this reporting period contains

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

4 category groups tie for the largest recorded count, with 3 messages each.

HYDROLANT accounts for 11 of 20 recorded messages (55%), 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

Other3
Surveys3
Incidents3
Missiles3
Nav aids2
Cable ops2
Derelicts1
Icebergs1
Exercises1
Restricted1

Issued · by sea

Arabian Sea2
North Sea2
North Pacific Ocean2
Barentsz Sea1
North Atlantic Ocean1
Gulf of Guinea1
South Atlantic Ocean1
Bay of Bengal1

HYDROLANT 11 · HYDROPAC 6 · NAVAREA XII 1 · HYDROARC 1 · NAVAREA IV 1

Issued · 20

Cancelled · 19

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 2012-03-22 · seahazards