Navigational warnings on 2017-04-12

UTC day · today

issued
20
cancelled
36
in force at end
400
of these still in force
0

What this reporting period contains

20 messages have issue dates in this period, and 36 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 8 of 20 recorded messages (40%), the largest category group in this selection.

HYDROLANT accounts for 12 of 20 recorded messages (60%), 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

Other8
Nav aids4
Incidents3
Icebergs2
Exercises2
Surveys1

Issued · by sea

Black Sea2
Inner Seas off the West Coast of Scotland2
South Atlantic Ocean1
North Pacific Ocean1
Southern Ocean1
South Pacific Ocean1
North Atlantic Ocean1
Celtic Sea1

HYDROLANT 12 · HYDROPAC 6 · NAVAREA IV 2

Issued · 20

Cancelled · 36

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 2017-04-12 · seahazards