Navigational warnings, week 2016-W30

2016-07-25 to 2016-07-31 UTC

  1. 07-25
    36
  2. 07-26
    31
  3. 07-27
    25
  4. 07-28
    34
  5. 07-29
    35
  6. 07-30
    17
  7. 07-31
    17
issued
195
cancelled
212
in force at end
413
of these still in force
0

What this reporting period contains

195 messages have issue dates in this period, and 212 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 43 of 195 recorded messages (22%), the largest category group in this selection.

HYDROPAC accounts for 80 of 195 recorded messages (41%), 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

Exercises43
Incidents37
Other35
Nav aids15
Icebergs14
Cable ops12
Quakes12
Spills7
Surveys4
Derelicts4
Restricted4
Missiles3
Wrecks2
Debris1
Ordnance1
Piracy1

Issued · by sea

North Pacific Ocean17
South Atlantic Ocean14
North Atlantic Ocean13
South China Sea11
Gulf of Mexico8
Black Sea7
Labrador Sea7
Philippine Sea5

HYDROPAC 80 · HYDROLANT 61 · NAVAREA IV 24 · USGS earthquakes 12 · NOAA IncidentNews 7 · NAVAREA XII 6 · HYDROARC 5

Issued · 195

Cancelled · 212

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

Navigational warnings, week 2016-W30 (2016-07-25 to 2016-07-31) · seahazards