Navigational warnings, week 2011-W03

2011-01-17 to 2011-01-23 UTC

  1. 01-17
    25
  2. 01-18
    19
  3. 01-19
    38
  4. 01-20
    26
  5. 01-21
    21
  6. 01-22
    11
  7. 01-23
    17
issued
157
cancelled
140
in force at end
317
of these still in force
0

What this reporting period contains

157 messages have issue dates in this period, and 140 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 157 recorded messages (19%), the largest category group in this selection.

HYDROPAC accounts for 83 of 157 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

Nav aids30
Other29
Cable ops24
Incidents22
Exercises18
Piracy14
Missiles6
Quakes4
Derelicts3
Surveys3
Debris2
Restricted1
Spills1

Issued · by sea

Arabian Sea19
South Atlantic Ocean14
North Pacific Ocean9
North Atlantic Ocean8
Indian Ocean7
Persian Gulf5
South Pacific Ocean5
Coral Sea4

HYDROPAC 83 · HYDROLANT 49 · NAVAREA XII 11 · NAVAREA IV 7 · USGS earthquakes 4 · HYDROARC 3

Issued · 157

Cancelled · 140

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-W03 (2011-01-17 to 2011-01-23) · seahazards