Navigational warnings, week 2016-W51

2016-12-19 to 2016-12-25 UTC

  1. 12-19
    25
  2. 12-20
    25
  3. 12-21
    26
  4. 12-22
    39
  5. 12-23
    32
  6. 12-24
    18
  7. 12-25
    12
issued
177
cancelled
168
in force at end
516
of these still in force
0

What this reporting period contains

177 messages have issue dates in this period, and 168 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 50 of 177 recorded messages (28%), the largest category group in this selection.

HYDROPAC accounts for 73 of 177 recorded messages (41%), 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

Incidents50
Other30
Nav aids15
Icebergs14
Exercises13
Derelicts13
Cable ops12
Quakes11
Missiles5
Surveys5
Wrecks3
Containers2
Ordnance2
Piracy1
Restricted1

Issued · by sea

South China Sea18
Mediterranean Sea - Eastern Basin16
South Atlantic Ocean10
North Atlantic Ocean10
North Pacific Ocean8
Indian Ocean8
Caribbean Sea7
Labrador Sea7

HYDROPAC 73 · HYDROLANT 66 · NAVAREA IV 17 · USGS earthquakes 10 · HYDROARC 7 · NAVAREA XII 4

Issued · 177

Cancelled · 168

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-W51 (2016-12-19 to 2016-12-25) · seahazards