Navigational warnings on 2010-09-12

UTC day · today

issued
16
cancelled
12
in force at end
309
of these still in force
0

What this reporting period contains

16 messages have issue dates in this period, and 12 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Exercises, Nav aids tie for the largest recorded count, with 4 messages each.

HYDROPAC accounts for 6 of 16 recorded messages (38%), 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

Exercises4
Nav aids4
Surveys3
Incidents2
Cable ops1
Other1
Missiles1

Issued · by sea

North Sea3
Philippine Sea2
The Northwestern Passages1
Chukchi Sea1
North Atlantic Ocean1
South China Sea1
Bay of Bengal1
Arctic Ocean1

HYDROPAC 6 · HYDROLANT 5 · HYDROARC 4 · NAVAREA IV 1

Issued · 16

Cancelled · 12

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 2010-09-12 · seahazards