Navigational warnings, week 2016-W31

2016-08-01 to 2016-08-07 UTC

  1. 08-01
    19
  2. 08-02
    25
  3. 08-03
    23
  4. 08-04
    31
  5. 08-05
    27
  6. 08-06
    16
  7. 08-07
    22
issued
163
cancelled
145
in force at end
432
of these still in force
0

What this reporting period contains

163 messages have issue dates in this period, and 145 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 34 of 163 recorded messages (21%), the largest category group in this selection.

HYDROLANT accounts for 61 of 163 recorded messages (37%), 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

Exercises34
Incidents29
Other28
Nav aids20
Cable ops16
Icebergs14
Surveys12
Quakes4
Spills2
Missiles2
Derelicts1
Ordnance1

Issued · by sea

South Atlantic Ocean19
North Atlantic Ocean10
North Pacific Ocean10
South China Sea7
Labrador Sea7
Gulf of Mexico6
North Sea6
Indian Ocean5

HYDROLANT 61 · HYDROPAC 51 · NAVAREA IV 18 · NAVAREA XII 17 · HYDROARC 10 · USGS earthquakes 4 · NOAA IncidentNews 2

Issued · 163

Cancelled · 145

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-W31 (2016-08-01 to 2016-08-07) · seahazards