Navigational warnings on 2016-08-04

UTC day · today

issued
31
cancelled
21
in force at end
418
of these still in force
0

What this reporting period contains

31 messages have issue dates in this period, and 21 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Other accounts for 7 of 31 recorded messages (23%), the largest category group in this selection.

HYDROLANT accounts for 13 of 31 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

Other7
Exercises5
Surveys5
Nav aids4
Incidents3
Cable ops3
Icebergs2
Quakes1
Derelicts1

Issued · by sea

South Atlantic Ocean4
North Pacific Ocean3
Black Sea2
North Atlantic Ocean2
Kara Sea1
Labrador Sea1
Barentsz Sea1
The Coastal Waters of Southeast Alaska and British Columbia1

HYDROLANT 13 · HYDROPAC 8 · HYDROARC 4 · NAVAREA IV 3 · NAVAREA XII 2 · USGS earthquakes 1

Issued · 31

Cancelled · 21

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 2016-08-04 · seahazards