Navigational warnings on 2012-09-06

UTC day · today

issued
29
cancelled
25
in force at end
333
of these still in force
0

What this reporting period contains

29 messages have issue dates in this period, and 25 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 6 messages each.

HYDROPAC accounts for 12 of 29 recorded messages (41%), 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 aids6
Exercises6
Incidents5
Cable ops3
Other3
Missiles2
Surveys2
Quakes1
Icebergs1

Issued · by sea

South Atlantic Ocean3
Yellow Sea2
North Atlantic Ocean2
North Sea2
Arctic Ocean2
Mozambique Channel1
South Pacific Ocean1
Gulf of Alaska1

HYDROPAC 12 · HYDROLANT 8 · HYDROARC 3 · NAVAREA IV 3 · NAVAREA XII 2 · USGS earthquakes 1

Issued · 29

Cancelled · 25

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 2012-09-06 · seahazards