Navigational warnings, week 2017-W13

2017-03-27 to 2017-04-02 UTC

  1. 03-27
    52
  2. 03-28
    35
  3. 03-29
    31
  4. 03-30
    28
  5. 03-31
    59
  6. 04-01
    27
  7. 04-02
    19
issued
251
cancelled
271
in force at end
435
of these still in force
0

What this reporting period contains

251 messages have issue dates in this period, and 271 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 57 of 251 recorded messages (23%), the largest category group in this selection.

HYDROPAC accounts for 110 of 251 recorded messages (44%), 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

Other57
Exercises46
Incidents37
Surveys30
Nav aids19
Icebergs16
Missiles10
Derelicts7
Quakes5
Cable ops4
Piracy4
Debris3
Wrecks3
War risk3
Containers3
Restricted2
Spills2

Issued · by sea

North Atlantic Ocean28
North Pacific Ocean20
South China Sea20
South Atlantic Ocean17
Black Sea13
Southern Ocean7
Coral Sea7
South Pacific Ocean7

HYDROPAC 110 · HYDROLANT 98 · NAVAREA IV 26 · NAVAREA XII 6 · USGS earthquakes 5 · HYDROARC 4 · NOAA IncidentNews 2

Issued · 251

Cancelled · 271

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 2017-W13 (2017-03-27 to 2017-04-02) · seahazards