Navigational warnings on 2015-04-20

UTC day · today

issued
38
cancelled
18
in force at end
462
of these still in force
0

What this reporting period contains

38 messages have issue dates in this period, and 18 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 9 of 38 recorded messages (24%), the largest category group in this selection.

HYDROLANT accounts for 13 of 38 recorded messages (34%), 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

Exercises9
Nav aids7
Incidents6
Quakes4
Other4
Icebergs2
Cable ops2
Missiles2
Debris1
Restricted1

Issued · by sea

North Atlantic Ocean4
North Pacific Ocean3
Philippine Sea3
Indian Ocean3
Gulf of Mexico2
Coral Sea2
Mediterranean Sea - Eastern Basin2
Norwegian Sea1

HYDROLANT 13 · HYDROPAC 11 · NAVAREA IV 7 · USGS earthquakes 4 · NAVAREA XII 2 · HYDROARC 1

Issued · 38

Cancelled · 18

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 2015-04-20 · seahazards