Navigational warnings on 2016-07-21

UTC day · today

issued
28
cancelled
33
in force at end
452
of these still in force
0

What this reporting period contains

28 messages have issue dates in this period, and 33 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 7 of 28 recorded messages (25%), the largest category group in this selection.

HYDROPAC accounts for 11 of 28 recorded messages (39%), 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

Other7
Exercises6
Nav aids3
Cable ops2
Debris2
Restricted2
Surveys2
Structures1
Icebergs1
Incidents1
Derelicts1

Issued · by sea

South Atlantic Ocean3
North Pacific Ocean2
Davis Strait2
North Atlantic Ocean2
Kara Sea2
Timor Sea1
Persian Gulf1
Gulf of Mexico1

HYDROPAC 11 · HYDROLANT 9 · NAVAREA IV 4 · HYDROARC 3 · NAVAREA XII 1

Issued · 28

Cancelled · 33

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 2016-07-21 · seahazards