Navigational warnings on 2017-07-21

UTC day · today

issued
26
cancelled
52
in force at end
436
of these still in force
0

What this reporting period contains

26 messages have issue dates in this period, and 52 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Exercises accounts for 7 of 26 recorded messages (27%), the largest category group in this selection.

HYDROPAC accounts for 12 of 26 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

Exercises7
Incidents6
Nav aids3
Other3
Missiles2
Containers2
Quakes1
Surveys1
Icebergs1

Issued · by sea

South Atlantic Ocean2
North Pacific Ocean2
South Pacific Ocean2
Indian Ocean1
South China Sea1
Baltic Sea1
Yellow Sea1
North Atlantic Ocean1

HYDROPAC 12 · HYDROLANT 8 · HYDROARC 2 · NAVAREA IV 2 · NAVAREA XII 1 · USGS earthquakes 1

Issued · 26

Cancelled · 52

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 2017-07-21 · seahazards