Navigational warnings on 2016-11-25

UTC day · today

issued
33
cancelled
24
in force at end
539
of these still in force
0

What this reporting period contains

33 messages have issue dates in this period, and 24 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, Nav aids tie for the largest recorded count, with 8 messages each.

HYDROLANT accounts for 18 of 33 recorded messages (55%), 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
Nav aids8
Other4
Cable ops3
Surveys3
Icebergs2
Incidents1
Ordnance1
Derelicts1
Quakes1
Missiles1

Issued · by sea

South Atlantic Ocean8
North Pacific Ocean4
North Sea2
Black Sea1
Indian Ocean1
Gulf of Thailand1
Irish Sea and St. George's Channel1
Celtic Sea1

HYDROLANT 18 · HYDROPAC 8 · NAVAREA XII 2 · HYDROARC 2 · NAVAREA IV 2 · USGS earthquakes 1

Issued · 33

Cancelled · 24

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 2016-11-25 · seahazards