Navigational warnings, week 2011-W51

2011-12-19 to 2011-12-25 UTC

  1. 12-19
    30
  2. 12-20
    19
  3. 12-21
    26
  4. 12-22
    7
  5. 12-23
    20
  6. 12-24
    13
  7. 12-25
    17
issued
132
cancelled
140
in force at end
243
of these still in force
0

What this reporting period contains

132 messages have issue dates in this period, and 140 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 29 of 132 recorded messages (22%), the largest category group in this selection.

HYDROPAC accounts for 61 of 132 recorded messages (46%), 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

Other29
Nav aids21
Incidents17
Cable ops16
Exercises15
Derelicts9
Quakes7
Missiles4
Surveys3
Piracy3
Restricted2
Spills2
Wrecks2
Icebergs1
Containers1

Issued · by sea

North Pacific Ocean13
South Pacific Ocean9
North Atlantic Ocean8
South Atlantic Ocean6
South China Sea6
North Sea6
Indian Ocean4
Coral Sea4

HYDROPAC 61 · HYDROLANT 55 · USGS earthquakes 6 · NAVAREA IV 4 · NAVAREA XII 4 · HYDROARC 1 · NOAA IncidentNews 1

Issued · 132

Cancelled · 140

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-W51 (2011-12-19 to 2011-12-25) · seahazards