Navigational warnings, week 2012-W04

2012-01-23 to 2012-01-29 UTC

  1. 01-23
    18
  2. 01-24
    16
  3. 01-25
    21
  4. 01-26
    16
  5. 01-27
    31
  6. 01-28
    17
  7. 01-29
    9
issued
128
cancelled
127
in force at end
265
of these still in force
0

What this reporting period contains

128 messages have issue dates in this period, and 127 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Incidents, Other tie for the largest recorded count, with 23 messages each.

HYDROLANT accounts for 59 of 128 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

Other23
Incidents23
Cable ops20
Exercises19
Nav aids14
Quakes6
Surveys5
Missiles4
Spills4
Containers3
Derelicts3
Wrecks2
Debris1
Icebergs1

Issued · by sea

South Atlantic Ocean21
North Pacific Ocean10
North Atlantic Ocean8
South Pacific Ocean6
North Sea5
South China Sea5
Gulf of Mexico4
Mediterranean Sea - Eastern Basin3

HYDROLANT 59 · HYDROPAC 55 · USGS earthquakes 6 · NAVAREA IV 4 · NOAA IncidentNews 3 · NAVAREA XII 1

Issued · 128

Cancelled · 127

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 2012-W04 (2012-01-23 to 2012-01-29) · seahazards