Navigational warnings on 2012-04-29

UTC day · today

issued: 19
cancelled: 10
in force at end: 272
of these still in force: 0

What this reporting period contains

19 messages have issue dates in this period, and 10 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, Nav aids, Quakes tie for the largest recorded count, with 3 messages each.

HYDROLANT accounts for 10 of 19 recorded messages (53%), 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

Quakes	3
Nav aids	3
Incidents	3
Other	2
Exercises	2
Icebergs	1
Spills	1
Surveys	1
Cable ops	1
Missiles	1
Volcanic	1

Issued · by sea

North Atlantic Ocean	5
North Pacific Ocean	3
Gulf of Mexico	2
North Sea	1
Philippine Sea	1
Inner Seas off the West Coast of Scotland	1
Labrador Sea	1
Indian Ocean	1

HYDROLANT 10 · HYDROPAC 3 · USGS earthquakes 3 · NAVAREA IV 2 · NOAA IncidentNews 1

Issued · 19

Cancelled · 10

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