Navigational warnings, week 2016-W52

2016-12-26 to 2017-01-01 UTC

  1. 12-26
    22
  2. 12-27
    25
  3. 12-28
    27
  4. 12-29
    27
  5. 12-30
    29
  6. 12-31
    16
  7. 01-01
    28
issued
174
cancelled
235
in force at end
455
of these still in force
0

What this reporting period contains

174 messages have issue dates in this period, and 235 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Incidents accounts for 42 of 174 recorded messages (24%), the largest category group in this selection.

HYDROPAC accounts for 75 of 174 recorded messages (43%), 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

Incidents42
Other37
Exercises30
Icebergs15
Nav aids13
Surveys11
Derelicts8
Cable ops6
Debris4
Missiles3
Quakes2
Volcanic2
Wrecks1

Issued · by sea

South Atlantic Ocean18
South China Sea17
North Pacific Ocean16
Aegean Sea11
Labrador Sea7
Bay of Bengal6
Tasman Sea6
North Sea6

HYDROPAC 75 · HYDROLANT 67 · NAVAREA IV 15 · NAVAREA XII 14 · USGS earthquakes 2 · HYDROARC 1

Issued · 174

Cancelled · 235

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 2016-W52 (2016-12-26 to 2017-01-01) · seahazards