Navigational warnings, week 2016-W04

2016-01-25 to 2016-01-31 UTC

  1. 01-25
    24
  2. 01-26
    26
  3. 01-27
    30
  4. 01-28
    26
  5. 01-29
    24
  6. 01-30
    16
  7. 01-31
    16
issued
162
cancelled
199
in force at end
369
of these still in force
0

What this reporting period contains

162 messages have issue dates in this period, and 199 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, Incidents tie for the largest recorded count, with 30 messages each.

HYDROLANT accounts for 70 of 162 recorded messages (43%), 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

Exercises30
Incidents30
Other21
Nav aids15
Icebergs11
Missiles10
Quakes10
Derelicts8
Cable ops7
Surveys7
Spills4
Debris2
Restricted2
Containers1
Storms1
Ordnance1
Wrecks1
Piracy1

Issued · by sea

North Pacific Ocean16
Mediterranean Sea - Eastern Basin15
North Atlantic Ocean14
South Atlantic Ocean10
Labrador Sea8
North Sea8
Arabian Sea6
Bay of Bengal5

HYDROLANT 70 · HYDROPAC 53 · NAVAREA IV 17 · USGS earthquakes 10 · NAVAREA XII 6 · NOAA IncidentNews 4 · HYDROARC 2

Issued · 162

Cancelled · 199

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-W04 (2016-01-25 to 2016-01-31) · seahazards