Navigational warnings on 2016-04-18

UTC day · today

issued
15
cancelled
22
in force at end
386
of these still in force
0

What this reporting period contains

15 messages have issue dates in this period, and 22 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 4 of 15 recorded messages (27%), the largest category group in this selection.

HYDROPAC accounts for 8 of 15 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

Other4
Incidents3
Icebergs2
Quakes2
Cable ops1
Exercises1
Derelicts1
Nav aids1

Issued · by sea

North Atlantic Ocean2
Coral Sea2
North Pacific Ocean1
Labrador Sea1
Eastern China Sea1
South Atlantic Ocean1
Mozambique Channel1
Japan Sea1

HYDROPAC 8 · HYDROLANT 4 · USGS earthquakes 2 · NAVAREA IV 1

Issued · 15

Cancelled · 22

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 2016-04-18 · seahazards