Navigational warnings on 2016-04-23

UTC day · today

issued
19
cancelled
27
in force at end
399
of these still in force
0

What this reporting period contains

19 messages have issue dates in this period, and 27 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 accounts for 5 of 19 recorded messages (26%), the largest category group in this selection.

HYDROLANT accounts for 8 of 19 recorded messages (42%), 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
Nav aids4
Exercises3
Missiles2
Surveys1
Icebergs1
Quakes1
Other1
Derelicts1

Issued · by sea

North Sea3
North Atlantic Ocean3
North Pacific Ocean2
South Pacific Ocean1
Coral Sea1
Gulf of Suez1
Barentsz Sea1
Laccadive Sea1

HYDROLANT 8 · HYDROPAC 6 · HYDROARC 3 · NAVAREA IV 1 · USGS earthquakes 1

Issued · 19

Cancelled · 27

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 2016-04-23 · seahazards