Navigational warnings, week 2013-W16

2013-04-15 to 2013-04-21 UTC

  1. 04-15
    21
  2. 04-16
    21
  3. 04-17
    29
  4. 04-18
    26
  5. 04-19
    31
  6. 04-20
    24
  7. 04-21
    20
issued
172
cancelled
153
in force at end
327
of these still in force
0

What this reporting period contains

172 messages have issue dates in this period, and 153 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 37 of 172 recorded messages (22%), the largest category group in this selection.

HYDROPAC accounts for 84 of 172 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

Incidents37
Other26
Exercises22
Cable ops19
Quakes15
Derelicts14
Missiles13
Nav aids12
Icebergs7
Debris2
Surveys2
Restricted1
Piracy1
Wrecks1

Issued · by sea

North Pacific Ocean14
South Atlantic Ocean9
South Pacific Ocean8
Mediterranean Sea - Eastern Basin8
Indian Ocean8
North Atlantic Ocean7
Labrador Sea6
Black Sea5

HYDROPAC 84 · HYDROLANT 56 · USGS earthquakes 15 · NAVAREA IV 10 · NAVAREA XII 4 · HYDROARC 3

Issued · 172

Cancelled · 153

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-W16 (2013-04-15 to 2013-04-21) · seahazards