Navigational warnings, week 2011-W13

2011-03-28 to 2011-04-03 UTC

  1. 03-28
    9
  2. 03-29
    29
  3. 03-30
    23
  4. 03-31
    27
  5. 04-01
    28
  6. 04-02
    15
  7. 04-03
    14
issued
145
cancelled
158
in force at end
289
of these still in force
0

What this reporting period contains

145 messages have issue dates in this period, and 158 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 34 of 145 recorded messages (23%), the largest category group in this selection.

HYDROPAC accounts for 66 of 145 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

Exercises34
Other22
Incidents19
Nav aids14
Cable ops14
Quakes11
Piracy8
Missiles7
Derelicts4
Icebergs4
Surveys4
Containers1
Ordnance1
Spills1
Wrecks1

Issued · by sea

North Pacific Ocean15
South Atlantic Ocean12
North Atlantic Ocean8
South Pacific Ocean6
South China Sea6
Mediterranean Sea - Eastern Basin5
Arabian Sea5
Bay of Bengal4

HYDROPAC 66 · HYDROLANT 51 · USGS earthquakes 11 · NAVAREA IV 8 · NAVAREA XII 6 · HYDROARC 2 · NOAA IncidentNews 1

Issued · 145

Cancelled · 158

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 2011-W13 (2011-03-28 to 2011-04-03) · seahazards