Navigational warnings, week 2011-W21

2011-05-23 to 2011-05-29 UTC

  1. 05-23
    9
  2. 05-24
    21
  3. 05-25
    24
  4. 05-26
    20
  5. 05-27
    18
  6. 05-28
    12
  7. 05-29
    13
issued
117
cancelled
116
in force at end
277
of these still in force
0

What this reporting period contains

117 messages have issue dates in this period, and 116 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 23 of 117 recorded messages (20%), the largest category group in this selection.

HYDROPAC accounts for 63 of 117 recorded messages (54%), 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

Exercises23
Incidents21
Cable ops16
Nav aids14
Other13
Quakes6
Piracy6
Derelicts5
War risk4
Surveys3
Missiles2
Restricted1
Spills1
Ordnance1
Debris1

Issued · by sea

South Atlantic Ocean9
Indian Ocean9
South Pacific Ocean8
North Pacific Ocean7
Arabian Sea5
Gulf of Mexico5
Mediterranean Sea - Eastern Basin5
Bay of Bengal4

HYDROPAC 63 · HYDROLANT 35 · NAVAREA IV 7 · USGS earthquakes 6 · NAVAREA XII 4 · HYDROARC 1 · NOAA IncidentNews 1

Issued · 117

Cancelled · 116

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-W21 (2011-05-23 to 2011-05-29) · seahazards