Navigational warnings on 2011-02-28

UTC day · today

issued
16
cancelled
12
in force at end
277
of these still in force
0

What this reporting period contains

16 messages have issue dates in this period, and 12 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Exercises, Quakes tie for the largest recorded count, with 4 messages each.

HYDROPAC accounts for 7 of 16 recorded messages (44%), 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

Exercises4
Quakes4
Derelicts2
Nav aids1
Wrecks1
Surveys1
Piracy1
Incidents1
Cable ops1

Issued · by sea

Arabian Sea3
South Atlantic Ocean3
South Pacific Ocean2
Mediterranean Sea - Eastern Basin1
North Pacific Ocean1
Andaman or Burma Sea1
Caribbean Sea1
Celtic Sea1

HYDROPAC 7 · HYDROLANT 5 · USGS earthquakes 4

Issued · 16

Cancelled · 12

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 2011-02-28 · seahazards