Navigational warnings, week 2011-W18

2011-05-02 to 2011-05-08 UTC

  1. 05-02
    16
  2. 05-03
    20
  3. 05-04
    16
  4. 05-05
    21
  5. 05-06
    22
  6. 05-07
    19
  7. 05-08
    17
issued
131
cancelled
145
in force at end
277
of these still in force
0

What this reporting period contains

131 messages have issue dates in this period, and 145 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, Other tie for the largest recorded count, with 23 messages each.

HYDROPAC accounts for 53 of 131 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

Exercises23
Other23
Nav aids22
Cable ops16
Incidents15
Quakes11
Piracy7
Missiles4
Surveys3
Derelicts2
Debris2
Restricted1
Wrecks1
War risk1

Issued · by sea

North Pacific Ocean12
North Atlantic Ocean11
South Atlantic Ocean10
Arabian Sea7
South Pacific Ocean5
Coral Sea4
South China Sea4
Persian Gulf3

HYDROPAC 53 · HYDROLANT 38 · NAVAREA XII 13 · NAVAREA IV 11 · USGS earthquakes 11 · HYDROARC 5

Issued · 131

Cancelled · 145

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-W18 (2011-05-02 to 2011-05-08) · seahazards