Navigational warnings on 2016-11-21

UTC day · today

issued
23
cancelled
22
in force at end
516
of these still in force
0

What this reporting period contains

23 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.

Exercises, Incidents tie for the largest recorded count, with 5 messages each.

HYDROPAC accounts for 11 of 23 recorded messages (48%), 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

Incidents5
Exercises5
Quakes4
Icebergs3
Other2
Cable ops1
Spills1
Surveys1
Derelicts1

Issued · by sea

Bay of Bengal3
North Pacific Ocean3
South Atlantic Ocean2
South China Sea2
Mediterranean Sea - Eastern Basin2
Coral Sea1
Arabian Sea1
Gulf of Mexico1

HYDROPAC 11 · HYDROLANT 8 · USGS earthquakes 2 · NAVAREA IV 1 · NOAA IncidentNews 1

Issued · 23

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 2016-11-21 · seahazards