Navigational warnings, week 2017-W28

2017-07-10 to 2017-07-16 UTC

  1. 07-10
    42
  2. 07-11
    24
  3. 07-12
    27
  4. 07-13
    31
  5. 07-14
    39
  6. 07-15
    23
  7. 07-16
    19
issued
205
cancelled
211
in force at end
446
of these still in force
0

What this reporting period contains

205 messages have issue dates in this period, and 211 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 49 of 205 recorded messages (24%), the largest category group in this selection.

HYDROLANT accounts for 81 of 205 recorded messages (40%), 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

Exercises49
Incidents44
Other37
Surveys24
Missiles12
Nav aids9
Quakes8
Icebergs7
Derelicts4
Cable ops4
Spills3
Piracy2
Wrecks1
Debris1

Issued · by sea

Black Sea18
North Atlantic Ocean14
North Pacific Ocean14
Mediterranean Sea - Eastern Basin12
South China Sea12
Indian Ocean7
South Atlantic Ocean6
Bay of Bengal6

HYDROLANT 81 · HYDROPAC 70 · NAVAREA IV 20 · NAVAREA XII 13 · HYDROARC 10 · USGS earthquakes 8 · NOAA IncidentNews 3

Issued · 205

Cancelled · 211

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 2017-W28 (2017-07-10 to 2017-07-16) · seahazards