Navigational warnings on 2010-08-21

UTC day · today

issued
16
cancelled
43
in force at end
281
of these still in force
0

What this reporting period contains

16 messages have issue dates in this period, and 43 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Nav aids accounts for 5 of 16 recorded messages (31%), the largest category group in this selection.

HYDROLANT accounts for 9 of 16 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

Nav aids5
Incidents4
Cable ops4
Exercises1
Quakes1
Piracy1

Issued · by sea

South Atlantic Ocean4
North Atlantic Ocean3
North Pacific Ocean2
Davis Strait2
North Sea1
Arabian Sea1
Coral Sea1
Indian Ocean1

HYDROLANT 9 · HYDROPAC 5 · NAVAREA IV 1 · USGS earthquakes 1

Issued · 16

Cancelled · 43

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 2010-08-21 · seahazards