Navigational warnings, week 2017-W09

2017-02-27 to 2017-03-05 UTC

  1. 02-27
    32
  2. 02-28
    30
  3. 03-01
    41
  4. 03-02
    35
  5. 03-03
    36
  6. 03-04
    25
  7. 03-05
    13
issued
212
cancelled
231
in force at end
432
of these still in force
0

What this reporting period contains

212 messages have issue dates in this period, and 231 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 53 of 212 recorded messages (25%), the largest category group in this selection.

HYDROLANT accounts for 85 of 212 recorded messages (40%), 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

Other53
Exercises42
Incidents23
Surveys21
Nav aids19
Icebergs18
Missiles12
Quakes8
Derelicts6
Spills3
Cable ops3
Wrecks2
Piracy1
Ordnance1

Issued · by sea

North Atlantic Ocean16
North Sea11
South Atlantic Ocean11
Arabian Sea9
Mediterranean Sea - Eastern Basin8
Indian Ocean8
Southern Ocean8
North Pacific Ocean8

HYDROLANT 85 · HYDROPAC 84 · NAVAREA IV 20 · USGS earthquakes 8 · HYDROARC 6 · NAVAREA XII 6 · NOAA IncidentNews 3

Issued · 212

Cancelled · 231

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 2017-W09 (2017-02-27 to 2017-03-05) · seahazards