Navigational warnings on 2016-04-21

UTC day · today

issued
27
cancelled
20
in force at end
411
of these still in force
0

What this reporting period contains

27 messages have issue dates in this period, and 20 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 9 of 27 recorded messages (33%), the largest category group in this selection.

HYDROPAC accounts for 15 of 27 recorded messages (56%), 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

Incidents9
Exercises7
Derelicts2
Cable ops2
Nav aids2
Missiles2
Icebergs1
Restricted1
Other1

Issued · by sea

Gulf of Mexico3
Arabian Sea3
South Pacific Ocean3
Bay of Bengal2
North Atlantic Ocean2
South Atlantic Ocean1
Indian Ocean1
Labrador Sea1

HYDROPAC 15 · HYDROLANT 6 · NAVAREA IV 4 · HYDROARC 2

Issued · 27

Cancelled · 20

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 2016-04-21 · seahazards