Navigational warnings on 2017-07-18

UTC day · today

issued
30
cancelled
21
in force at end
466
of these still in force
0

What this reporting period contains

30 messages have issue dates in this period, and 21 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Other accounts for 7 of 30 recorded messages (23%), the largest category group in this selection.

HYDROLANT accounts for 16 of 30 recorded messages (53%), 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

Other7
Nav aids5
Surveys5
Exercises4
Incidents3
Derelicts3
Quakes2
Icebergs1

Issued · by sea

South Pacific Ocean5
South Atlantic Ocean5
North Atlantic Ocean3
North Pacific Ocean2
North Sea1
Inner Seas off the West Coast of Scotland1
Barentsz Sea1
English Channel1

HYDROLANT 16 · HYDROPAC 8 · HYDROARC 3 · USGS earthquakes 2 · NAVAREA IV 1

Issued · 30

Cancelled · 21

Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.

Navigational warnings on 2017-07-18 · seahazards