Navigational warnings on 2017-04-17

UTC day · today

issued
30
cancelled
28
in force at end
434
of these still in force
0

What this reporting period contains

30 messages have issue dates in this period, and 28 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Incidents accounts for 9 of 30 recorded messages (30%), the largest category group in this selection.

HYDROPAC accounts for 14 of 30 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

Incidents9
Other8
Exercises5
Icebergs2
Quakes2
Nav aids1
Surveys1
Missiles1
Wrecks1

Issued · by sea

North Atlantic Ocean3
North Pacific Ocean3
Philippine Sea2
South China Sea2
Southern Ocean2
North Sea1
Mediterranean Sea - Eastern Basin1
Adriatic Sea1

HYDROPAC 14 · HYDROLANT 13 · USGS earthquakes 2 · NAVAREA IV 1

Issued · 30

Cancelled · 28

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 2017-04-17 · seahazards