Navigational warnings, week 2016-W20

2016-05-16 to 2016-05-22 UTC

  1. 05-16
    22
  2. 05-17
    27
  3. 05-18
    33
  4. 05-19
    23
  5. 05-20
    33
  6. 05-21
    24
  7. 05-22
    29
issued
191
cancelled
166
in force at end
405
of these still in force
0

What this reporting period contains

191 messages have issue dates in this period, and 166 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 accounts for 48 of 191 recorded messages (25%), the largest category group in this selection.

HYDROPAC accounts for 87 of 191 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

Incidents48
Exercises35
Other30
Nav aids19
Icebergs14
Cable ops10
Missiles10
Surveys6
Quakes5
Derelicts4
Spills4
Debris2
Ordnance2
Restricted1
Piracy1

Issued · by sea

North Atlantic Ocean19
North Pacific Ocean17
South Atlantic Ocean13
Indian Ocean8
South China Sea8
South Pacific Ocean8
Mediterranean Sea - Eastern Basin7
Bay of Bengal7

HYDROPAC 87 · HYDROLANT 63 · NAVAREA IV 14 · HYDROARC 10 · NAVAREA XII 8 · USGS earthquakes 5 · NOAA IncidentNews 4

Issued · 191

Cancelled · 166

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 2016-W20 (2016-05-16 to 2016-05-22) · seahazards