Navigational warnings, week 2011-W15

2011-04-11 to 2011-04-17 UTC

  1. 04-11
    25
  2. 04-12
    20
  3. 04-13
    24
  4. 04-14
    30
  5. 04-15
    22
  6. 04-16
    13
  7. 04-17
    11
issued
145
cancelled
147
in force at end
290
of these still in force
0

What this reporting period contains

145 messages have issue dates in this period, and 147 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Exercises accounts for 30 of 145 recorded messages (21%), the largest category group in this selection.

HYDROPAC accounts for 62 of 145 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

Exercises30
Other20
Nav aids17
Incidents17
Quakes16
Cable ops13
Missiles13
Derelicts5
Surveys4
Piracy2
Wrecks2
Debris2
Ordnance2
Containers2

Issued · by sea

North Pacific Ocean28
South Atlantic Ocean17
Japan Sea6
North Atlantic Ocean6
South Pacific Ocean5
Indian Ocean4
Bay of Bengal4
Laccadive Sea3

HYDROPAC 62 · HYDROLANT 44 · USGS earthquakes 16 · NAVAREA XII 14 · NAVAREA IV 5 · HYDROARC 4

Issued · 145

Cancelled · 147

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-W15 (2011-04-11 to 2011-04-17) · seahazards