Navigational warnings, week 2012-W40

2012-10-01 to 2012-10-07 UTC

  1. 10-01
    28
  2. 10-02
    26
  3. 10-03
    27
  4. 10-04
    18
  5. 10-05
    23
  6. 10-06
    20
  7. 10-07
    14
issued
156
cancelled
146
in force at end
322
of these still in force
0

What this reporting period contains

156 messages have issue dates in this period, and 146 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 32 of 156 recorded messages (21%), the largest category group in this selection.

HYDROLANT accounts for 66 of 156 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

Exercises32
Other29
Incidents25
Nav aids23
Cable ops13
Missiles10
Icebergs8
Quakes7
Surveys5
Derelicts3
Wrecks1

Issued · by sea

South Atlantic Ocean16
North Atlantic Ocean12
North Pacific Ocean10
South Pacific Ocean7
Labrador Sea7
Aegean Sea6
Indian Ocean6
Celtic Sea5

HYDROLANT 66 · HYDROPAC 54 · NAVAREA IV 15 · HYDROARC 8 · USGS earthquakes 7 · NAVAREA XII 6

Issued · 156

Cancelled · 146

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-W40 (2012-10-01 to 2012-10-07) · seahazards