Navigational warnings, week 2011-W48

2011-11-28 to 2011-12-04 UTC

  1. 11-28
    16
  2. 11-29
    14
  3. 11-30
    25
  4. 12-01
    14
  5. 12-02
    20
  6. 12-03
    14
  7. 12-04
    11
issued
114
cancelled
122
in force at end
247
of these still in force
0

What this reporting period contains

114 messages have issue dates in this period, and 122 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 accounts for 22 of 114 recorded messages (19%), the largest category group in this selection.

HYDROPAC accounts for 51 of 114 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

Exercises22
Nav aids18
Incidents16
Other16
Cable ops15
Quakes10
Piracy5
Derelicts4
Missiles4
Icebergs1
Wrecks1
Debris1
Surveys1

Issued · by sea

South Atlantic Ocean11
North Pacific Ocean8
Arabian Sea8
North Atlantic Ocean6
Indian Ocean6
North Sea4
South China Sea4
Gulf of Mexico3

HYDROPAC 51 · HYDROLANT 39 · USGS earthquakes 10 · NAVAREA IV 8 · NAVAREA XII 3 · HYDROARC 3

Issued · 114

Cancelled · 122

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-W48 (2011-11-28 to 2011-12-04) · seahazards