Navigational warnings on 2017-04-28

UTC day · today

issued
49
cancelled
52
in force at end
389
of these still in force
0

What this reporting period contains

49 messages have issue dates in this period, and 52 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 accounts for 11 of 49 recorded messages (22%), the largest category group in this selection.

HYDROPAC accounts for 23 of 49 recorded messages (47%), 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

Exercises11
Incidents9
Other7
Nav aids5
Surveys4
Quakes4
Missiles2
Icebergs2
Cable ops2
Wrecks2
Derelicts1

Issued · by sea

North Atlantic Ocean4
South Pacific Ocean4
Bay of Bengal4
North Pacific Ocean4
South Atlantic Ocean3
South China Sea3
Indian Ocean2
Mediterranean Sea - Eastern Basin2

HYDROPAC 23 · HYDROLANT 19 · USGS earthquakes 3 · NAVAREA XII 2 · NAVAREA IV 2

Issued · 49

Cancelled · 52

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 2017-04-28 · seahazards