Navigational warnings on 2017-04-22

UTC day · today

issued
20
cancelled
24
in force at end
379
of these still in force
0

What this reporting period contains

20 messages have issue dates in this period, and 24 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, Other tie for the largest recorded count, with 6 messages each.

HYDROPAC accounts for 12 of 20 recorded messages (60%), 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

Incidents6
Other6
Surveys3
Icebergs2
Derelicts1
Exercises1
Piracy1

Issued · by sea

North Atlantic Ocean2
Eastern China Sea1
Tyrrhenian Sea1
South China Sea1
Gulf of Mexico1
Indian Ocean1
South Atlantic Ocean1
Southern Ocean1

HYDROPAC 12 · HYDROLANT 7 · NAVAREA IV 1

Issued · 20

Cancelled · 24

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 2017-04-22 · seahazards