Navigational warnings, week 2011-W47

2011-11-21 to 2011-11-27 UTC

  1. 11-21
    23
  2. 11-22
    16
  3. 11-23
    31
  4. 11-24
    21
  5. 11-25
    22
  6. 11-26
    15
  7. 11-27
    25
issued
153
cancelled
164
in force at end
255
of these still in force
0

What this reporting period contains

153 messages have issue dates in this period, and 164 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 38 of 153 recorded messages (25%), the largest category group in this selection.

HYDROPAC accounts for 68 of 153 recorded messages (44%), 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

Other38
Incidents31
Exercises27
Nav aids18
Missiles11
Cable ops11
Derelicts8
Quakes3
Piracy2
Containers1
Surveys1
Ordnance1
Towing1

Issued · by sea

North Pacific Ocean18
South Atlantic Ocean16
South China Sea13
North Atlantic Ocean8
North Sea6
Bay of Bengal6
Barentsz Sea3
Mediterranean Sea - Eastern Basin3

HYDROPAC 68 · HYDROLANT 60 · NAVAREA IV 10 · NAVAREA XII 6 · HYDROARC 6 · USGS earthquakes 3

Issued · 153

Cancelled · 164

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-W47 (2011-11-21 to 2011-11-27) · seahazards