Navigational warnings, week 2012-W18

2012-04-30 to 2012-05-06 UTC

  1. 04-30
    18
  2. 05-01
    13
  3. 05-02
    26
  4. 05-03
    20
  5. 05-04
    28
  6. 05-05
    17
  7. 05-06
    15
issued
137
cancelled
138
in force at end
271
of these still in force
0

What this reporting period contains

137 messages have issue dates in this period, and 138 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 31 of 137 recorded messages (23%), the largest category group in this selection.

HYDROPAC accounts for 57 of 137 recorded messages (42%), 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

Exercises31
Incidents21
Cable ops15
Other14
Nav aids13
Piracy9
Quakes9
Icebergs8
Missiles7
Spills3
Derelicts3
Wrecks2
Surveys2

Issued · by sea

South Atlantic Ocean13
North Atlantic Ocean13
North Pacific Ocean11
South Pacific Ocean11
Labrador Sea7
Indian Ocean6
Mediterranean Sea - Eastern Basin4
Gulf of Guinea4

HYDROPAC 57 · HYDROLANT 43 · NAVAREA IV 14 · NAVAREA XII 10 · USGS earthquakes 9 · NOAA IncidentNews 3 · HYDROARC 1

Issued · 137

Cancelled · 138

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 2012-W18 (2012-04-30 to 2012-05-06) · seahazards