Navigational warnings on 2012-01-31

UTC day · today

issued
18
cancelled
20
in force at end
271
of these still in force
0

What this reporting period contains

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

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

HYDROLANT accounts for 11 of 18 recorded messages (61%), 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

Nav aids3
Incidents3
Other3
Exercises3
Derelicts3
Cable ops2
Icebergs1

Issued · by sea

Coral Sea2
North Atlantic Ocean2
South Pacific Ocean1
North Sea1
Caribbean Sea1
South Atlantic Ocean1
Bay of Biscay1
Celtic Sea1

HYDROLANT 11 · HYDROPAC 6 · NAVAREA IV 1

Issued · 18

Cancelled · 20

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 2012-01-31 · seahazards