Navigational warnings, week 2011-W30

2011-07-25 to 2011-07-31 UTC

  1. 07-25
    15
  2. 07-26
    10
  3. 07-27
    21
  4. 07-28
    15
  5. 07-29
    32
  6. 07-30
    11
  7. 07-31
    13
issued
117
cancelled
133
in force at end
217
of these still in force
0

What this reporting period contains

117 messages have issue dates in this period, and 133 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 26 of 117 recorded messages (22%), the largest category group in this selection.

HYDROPAC accounts for 42 of 117 recorded messages (36%), 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 aids26
Other20
Exercises18
Incidents15
Quakes15
Missiles11
Cable ops7
Restricted2
Derelicts1
Piracy1
Surveys1

Issued · by sea

North Pacific Ocean12
South Pacific Ocean7
South Atlantic Ocean7
North Atlantic Ocean6
North Sea5
South China Sea4
Celtic Sea2
Yellow Sea2

HYDROPAC 42 · HYDROLANT 40 · USGS earthquakes 15 · NAVAREA XII 8 · NAVAREA IV 7 · HYDROARC 5

Issued · 117

Cancelled · 133

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-W30 (2011-07-25 to 2011-07-31) · seahazards