Navigational warnings, week 2011-W37

2011-09-12 to 2011-09-18 UTC

  1. 09-12
    25
  2. 09-13
    23
  3. 09-14
    22
  4. 09-15
    30
  5. 09-16
    40
  6. 09-17
    20
  7. 09-18
    14
issued
174
cancelled
172
in force at end
282
of these still in force
0

What this reporting period contains

174 messages have issue dates in this period, and 172 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 36 of 174 recorded messages (21%), the largest category group in this selection.

HYDROPAC accounts for 61 of 174 recorded messages (35%), 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

Other36
Nav aids28
Exercises27
Cable ops19
Quakes17
Incidents16
Missiles12
Surveys4
Derelicts3
Wrecks3
Spills2
Containers2
Piracy2
Debris2
Icebergs1

Issued · by sea

North Pacific Ocean18
North Atlantic Ocean11
South Atlantic Ocean11
South Pacific Ocean7
Bay of Bengal6
Gulf of Mexico6
Philippine Sea5
The Northwestern Passages5

HYDROPAC 61 · HYDROLANT 54 · USGS earthquakes 17 · NAVAREA IV 16 · HYDROARC 16 · NAVAREA XII 8 · NOAA IncidentNews 2

Issued · 174

Cancelled · 172

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-W37 (2011-09-12 to 2011-09-18) · seahazards