Navigational warnings, week 2013-W20

2013-05-13 to 2013-05-19 UTC

  1. 05-13
    22
  2. 05-14
    29
  3. 05-15
    23
  4. 05-16
    34
  5. 05-17
    34
  6. 05-18
    11
  7. 05-19
    18
issued
171
cancelled
177
in force at end
333
of these still in force
0

What this reporting period contains

171 messages have issue dates in this period, and 177 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Incidents accounts for 39 of 171 recorded messages (23%), the largest category group in this selection.

HYDROPAC accounts for 84 of 171 recorded messages (49%), 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

Incidents39
Other32
Exercises22
Cable ops18
Nav aids13
Derelicts9
Missiles9
Icebergs8
Quakes8
Surveys7
Towing3
Wrecks1
Ordnance1
Piracy1

Issued · by sea

South Atlantic Ocean20
North Atlantic Ocean17
Indian Ocean14
North Pacific Ocean11
Labrador Sea7
South Pacific Ocean6
South China Sea5
North Sea5

HYDROPAC 84 · HYDROLANT 53 · NAVAREA IV 18 · USGS earthquakes 8 · NAVAREA XII 4 · HYDROARC 4

Issued · 171

Cancelled · 177

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 2013-W20 (2013-05-13 to 2013-05-19) · seahazards