Navigational warnings on 2011-08-20

UTC day · today

issued
19
cancelled
27
in force at end
257
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.

Quakes accounts for 5 of 19 recorded messages (26%), the largest category group in this selection.

HYDROPAC accounts for 7 of 19 recorded messages (37%), 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

Quakes5
Exercises3
Cable ops3
Incidents2
Derelicts2
Other1
Missiles1
Spills1
Piracy1

Issued · by sea

North Pacific Ocean3
Coral Sea3
South Pacific Ocean2
Gulf of Mexico2
Norwegian Sea1
North Atlantic Ocean1
Arabian Sea1
Persian Gulf1

HYDROPAC 7 · HYDROLANT 6 · USGS earthquakes 5 · NOAA IncidentNews 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 2011-08-20 · seahazards