Navigational warnings on 2011-11-17

UTC day · today

issued
18
cancelled
16
in force at end
273
of these still in force
0

What this reporting period contains

18 messages have issue dates in this period, and 16 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, Missiles tie for the largest recorded count, with 4 messages each.

HYDROPAC accounts for 8 of 18 recorded messages (44%), 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

Missiles4
Exercises4
Quakes3
Incidents2
Nav aids2
Derelicts1
Cable ops1
Other1

Issued · by sea

North Pacific Ocean3
South Atlantic Ocean2
North Atlantic Ocean2
Adriatic Sea1
Southern Ocean1
South Pacific Ocean1
North Sea1
Arabian Sea1

HYDROPAC 8 · HYDROLANT 5 · USGS earthquakes 3 · NAVAREA IV 2

Issued · 18

Cancelled · 16

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 2011-11-17 · seahazards