Navigational warnings, week 2017-W11

2017-03-13 to 2017-03-19 UTC

  1. 03-13
    26
  2. 03-14
    38
  3. 03-15
    51
  4. 03-16
    34
  5. 03-17
    40
  6. 03-18
    30
  7. 03-19
    21
issued
240
cancelled
230
in force at end
454
of these still in force
0

What this reporting period contains

240 messages have issue dates in this period, and 230 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 51 of 240 recorded messages (21%), the largest category group in this selection.

HYDROPAC accounts for 98 of 240 recorded messages (41%), 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

Exercises51
Other49
Incidents42
Surveys19
Nav aids18
Icebergs15
Missiles13
Quakes7
Derelicts7
Cable ops4
Debris4
Wrecks4
Piracy3
Spills2
Containers1
Ordnance1

Issued · by sea

North Atlantic Ocean21
North Pacific Ocean17
South China Sea17
South Atlantic Ocean14
South Pacific Ocean11
Southern Ocean7
Indian Ocean6
Mediterranean Sea - Eastern Basin5

HYDROPAC 98 · HYDROLANT 83 · NAVAREA IV 25 · NAVAREA XII 22 · USGS earthquakes 7 · HYDROARC 3 · NOAA IncidentNews 2

Issued · 240

Cancelled · 230

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-W11 (2017-03-13 to 2017-03-19) · seahazards