Navigational warnings, week 2016-W47

2016-11-21 to 2016-11-27 UTC

  1. 11-21
    23
  2. 11-22
    33
  3. 11-23
    29
  4. 11-24
    31
  5. 11-25
    33
  6. 11-26
    21
  7. 11-27
    19
issued
189
cancelled
173
in force at end
531
of these still in force
0

What this reporting period contains

189 messages have issue dates in this period, and 173 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 36 of 189 recorded messages (19%), the largest category group in this selection.

HYDROPAC accounts for 79 of 189 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

Exercises36
Incidents34
Other30
Nav aids22
Icebergs15
Quakes11
Surveys9
Derelicts8
Cable ops7
Piracy7
Spills4
Missiles4
Ordnance1
Wrecks1

Issued · by sea

South Atlantic Ocean25
North Pacific Ocean19
South China Sea11
Mediterranean Sea - Eastern Basin10
South Pacific Ocean7
Caribbean Sea6
Davis Strait6
Indian Ocean5

HYDROPAC 79 · HYDROLANT 71 · NAVAREA IV 16 · USGS earthquakes 9 · NAVAREA XII 6 · HYDROARC 4 · NOAA IncidentNews 4

Issued · 189

Cancelled · 173

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 2016-W47 (2016-11-21 to 2016-11-27) · seahazards