Navigational warnings on 2012-09-27

UTC day · today

issued
18
cancelled
17
in force at end
338
of these still in force
0

What this reporting period contains

18 messages have issue dates in this period, and 17 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Nav aids accounts for 5 of 18 recorded messages (28%), the largest category group in this selection.

HYDROLANT, HYDROPAC tie for the largest recorded count, with 8 messages each.

Separate updates to the same activity count as separate messages. The original records below show what was reported and when.

Issued · by type

Nav aids5
Exercises4
Other2
Surveys2
Icebergs1
Derelicts1
Incidents1
Missiles1
Quakes1

Issued · by sea

North Atlantic Ocean2
South Atlantic Ocean2
Black Sea1
Indian Ocean1
Yellow Sea1
North Pacific Ocean1
Solomon Sea1
Labrador Sea1

HYDROLANT 8 · HYDROPAC 8 · NAVAREA IV 1 · USGS earthquakes 1

Issued · 18

Cancelled · 17

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 2012-09-27 · seahazards