Navigational warnings on 2016-08-20

UTC day · today

issued
19
cancelled
14
in force at end
497
of these still in force
0

What this reporting period contains

19 messages have issue dates in this period, and 14 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Incidents, Nav aids, Quakes tie for the largest recorded count, with 3 messages each.

HYDROLANT accounts for 6 of 19 recorded messages (32%), 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

Nav aids3
Incidents3
Quakes3
Other2
Icebergs2
Spills2
Derelicts2
Exercises1
Debris1

Issued · by sea

North Pacific Ocean4
Bering Sea2
South China Sea2
South Atlantic Ocean1
North Sea1
Labrador Sea1
Celtic Sea1
South Pacific Ocean1

HYDROLANT 6 · HYDROPAC 5 · USGS earthquakes 3 · NAVAREA IV 2 · NOAA IncidentNews 2 · NAVAREA XII 1

Issued · 19

Cancelled · 14

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 2016-08-20 · seahazards