Navigational warnings on 2015-04-28

UTC day · today

issued: 34
cancelled: 26
in force at end: 375
of these still in force: 0

What this reporting period contains

34 messages have issue dates in this period, and 26 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 7 of 34 recorded messages (21%), the largest category group in this selection.

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

Incidents	7
Other	5
Cable ops	5
Nav aids	3
Exercises	3
Missiles	3
Derelicts	2
Quakes	2
Restricted	1
Spills	1
Surveys	1
Icebergs	1

Issued · by sea

South China Sea	4
North Pacific Ocean	3
Black Sea	3
English Channel	3
Gulf of Suez	2
South Atlantic Ocean	2
Barentsz Sea	2
Gulf of Mexico	2

HYDROLANT 13 · HYDROPAC 11 · NAVAREA IV 3 · HYDROARC 3 · USGS earthquakes 2 · NAVAREA XII 1 · NOAA IncidentNews 1

Issued · 34

Cancelled · 26

Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.