Navigational warnings, week 2010-W51

2010-12-20 to 2010-12-26 UTC

  1. 12-20
    20
  2. 12-21
    23
  3. 12-22
    28
  4. 12-23
    33
  5. 12-24
    17
  6. 12-25
    18
  7. 12-26
    24
issued
163
cancelled
174
in force at end
294
of these still in force
0

What this reporting period contains

163 messages have issue dates in this period, and 174 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 29 of 163 recorded messages (18%), the largest category group in this selection.

HYDROPAC accounts for 86 of 163 recorded messages (53%), 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

Piracy29
Other28
Cable ops23
Quakes21
Incidents18
Nav aids15
Exercises12
Missiles8
Wrecks3
Surveys3
Derelicts2
Towing1

Issued · by sea

Arabian Sea18
Indian Ocean17
North Pacific Ocean17
South Atlantic Ocean8
Coral Sea8
North Atlantic Ocean7
Caribbean Sea3
Japan Sea3

HYDROPAC 86 · HYDROLANT 50 · USGS earthquakes 19 · NAVAREA XII 4 · NAVAREA IV 3 · HYDROARC 1

Issued · 163

Cancelled · 174

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-W51 (2010-12-20 to 2010-12-26) · seahazards