Navigational warnings, week 2011-W34

2011-08-22 to 2011-08-28 UTC

  1. 08-22
    16
  2. 08-23
    23
  3. 08-24
    30
  4. 08-25
    34
  5. 08-26
    17
  6. 08-27
    26
  7. 08-28
    16
issued
162
cancelled
176
in force at end
262
of these still in force
0

What this reporting period contains

162 messages have issue dates in this period, and 176 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Nav aids accounts for 30 of 162 recorded messages (19%), the largest category group in this selection.

HYDROPAC accounts for 77 of 162 recorded messages (48%), 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

Nav aids30
Other29
Exercises23
Cable ops21
Incidents20
Quakes10
Surveys7
Missiles7
Wrecks3
Spills2
Derelicts2
Containers2
Restricted1
Ordnance1
Towing1
Piracy1
Debris1
Icebergs1

Issued · by sea

North Pacific Ocean21
South China Sea13
South Atlantic Ocean12
Coral Sea9
North Atlantic Ocean9
Indian Ocean4
South Pacific Ocean4
Barentsz Sea3

HYDROPAC 77 · HYDROLANT 42 · NAVAREA IV 15 · USGS earthquakes 10 · HYDROARC 9 · NAVAREA XII 7 · NOAA IncidentNews 2

Issued · 162

Cancelled · 176

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-W34 (2011-08-22 to 2011-08-28) · seahazards