Navigational warnings, week 2017-W18

2017-05-01 to 2017-05-07 UTC

  1. 05-01
    44
  2. 05-02
    32
  3. 05-03
    28
  4. 05-04
    25
  5. 05-05
    33
  6. 05-06
    22
  7. 05-07
    27
issued
211
cancelled
207
in force at end
404
of these still in force
0

What this reporting period contains

211 messages have issue dates in this period, and 207 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 48 of 211 recorded messages (23%), the largest category group in this selection.

HYDROPAC accounts for 93 of 211 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

Other48
Incidents44
Exercises32
Nav aids25
Surveys18
Derelicts9
Icebergs9
Spills6
Cable ops6
Missiles5
Quakes4
Piracy4
Wrecks1

Issued · by sea

North Atlantic Ocean17
North Pacific Ocean16
Gulf of Mexico12
Mediterranean Sea - Eastern Basin12
South Pacific Ocean10
Labrador Sea6
South China Sea6
South Atlantic Ocean6

HYDROPAC 93 · HYDROLANT 73 · NAVAREA IV 21 · NAVAREA XII 10 · NOAA IncidentNews 6 · HYDROARC 4 · USGS earthquakes 4

Issued · 211

Cancelled · 207

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-W18 (2017-05-01 to 2017-05-07) · seahazards