Navigational warnings on 2017-03-21

UTC day · today

issued
33
cancelled
35
in force at end
462
of these still in force
0

What this reporting period contains

33 messages have issue dates in this period, and 35 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 8 of 33 recorded messages (24%), the largest category group in this selection.

HYDROPAC accounts for 17 of 33 recorded messages (52%), 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

Exercises8
Surveys6
Other5
Incidents5
Cable ops4
Icebergs2
Quakes1
Piracy1
Missiles1

Issued · by sea

North Atlantic Ocean5
Arabian Sea3
South China Sea2
North Pacific Ocean2
South Atlantic Ocean2
Mediterranean Sea - Eastern Basin1
North Sea1
Laccadive Sea1

HYDROPAC 17 · HYDROLANT 12 · NAVAREA IV 3 · USGS earthquakes 1

Issued · 33

Cancelled · 35

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 2017-03-21 · seahazards