Navigational warnings, week 2010-W52

2010-12-27 to 2011-01-02 UTC

  1. 12-27
    28
  2. 12-28
    16
  3. 12-29
    28
  4. 12-30
    26
  5. 12-31
    20
  6. 01-01
    19
  7. 01-02
    13
issued
150
cancelled
164
in force at end
280
of these still in force
0

What this reporting period contains

150 messages have issue dates in this period, and 164 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Piracy accounts for 42 of 150 recorded messages (28%), the largest category group in this selection.

HYDROPAC accounts for 92 of 150 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

Piracy42
Exercises25
Cable ops21
Incidents13
Nav aids12
Quakes10
Other8
Missiles6
Derelicts4
Ordnance4
Surveys2
Icebergs1
Spills1
Debris1

Issued · by sea

Indian Ocean29
Arabian Sea16
North Pacific Ocean10
South Atlantic Ocean9
North Atlantic Ocean8
Aegean Sea7
South China Sea5
Mediterranean Sea - Eastern Basin5

HYDROPAC 92 · HYDROLANT 38 · USGS earthquakes 10 · NAVAREA IV 5 · NAVAREA XII 4 · NOAA IncidentNews 1

Issued · 150

Cancelled · 164

Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.

Navigational warnings, week 2010-W52 (2010-12-27 to 2011-01-02) · seahazards