Navigational warnings on 2011-09-04

UTC day · today

issued
20
cancelled
11
in force at end
264
of these still in force
0

What this reporting period contains

20 messages have issue dates in this period, and 11 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Incidents accounts for 5 of 20 recorded messages (25%), the largest category group in this selection.

HYDROPAC accounts for 13 of 20 recorded messages (65%), 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

Incidents5
Exercises4
Missiles3
Other3
Surveys1
Quakes1
Cable ops1
Debris1
Nav aids1

Issued · by sea

Coral Sea3
North Atlantic Ocean3
North Pacific Ocean2
South China Sea1
South Pacific Ocean1
North Sea1
Arafura Sea1

HYDROPAC 13 · HYDROLANT 5 · NAVAREA IV 1 · USGS earthquakes 1

Issued · 20

Cancelled · 11

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 2011-09-04 · seahazards