Navigational warnings, week 2011-W49

2011-12-05 to 2011-12-11 UTC

  1. 12-05
    27
  2. 12-06
    21
  3. 12-07
    25
  4. 12-08
    21
  5. 12-09
    31
  6. 12-10
    24
  7. 12-11
    33
issued
182
cancelled
163
in force at end
266
of these still in force
0

What this reporting period contains

182 messages have issue dates in this period, and 163 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Other accounts for 38 of 182 recorded messages (21%), the largest category group in this selection.

HYDROLANT accounts for 82 of 182 recorded messages (45%), 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

Other38
Incidents33
Nav aids31
Exercises24
Cable ops18
Missiles11
Derelicts8
Piracy6
Quakes6
Surveys3
Wrecks1
Restricted1
Spills1
Debris1

Issued · by sea

South Atlantic Ocean23
North Pacific Ocean18
North Atlantic Ocean15
North Sea13
Indian Ocean6
South China Sea6
South Pacific Ocean5
Arabian Sea4

HYDROLANT 82 · HYDROPAC 81 · NAVAREA XII 8 · USGS earthquakes 6 · NAVAREA IV 2 · HYDROARC 2 · NOAA IncidentNews 1

Issued · 182

Cancelled · 163

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 2011-W49 (2011-12-05 to 2011-12-11) · seahazards