Navigational warnings on 2017-04-09

UTC day · today

issued
24
cancelled
28
in force at end
406
of these still in force
0

What this reporting period contains

24 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.

Other accounts for 9 of 24 recorded messages (38%), the largest category group in this selection.

HYDROPAC accounts for 11 of 24 recorded messages (46%), 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

Other9
Incidents6
Surveys3
Icebergs2
Missiles1
Exercises1
Wrecks1
Quakes1

Issued · by sea

Indian Ocean3
North Atlantic Ocean3
North Sea2
Gulf of Mexico1
South China Sea1
South Atlantic Ocean1
Black Sea1
Southern Ocean1

HYDROPAC 11 · HYDROLANT 10 · NAVAREA IV 2 · USGS earthquakes 1

Issued · 24

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 2017-04-09 · seahazards