Navigational warnings, week 2015-W21

2015-05-18 to 2015-05-24 UTC

  1. 05-18
    26
  2. 05-19
    47
  3. 05-20
    29
  4. 05-21
    33
  5. 05-22
    37
  6. 05-23
    14
  7. 05-24
    27
issued
213
cancelled
173
in force at end
382
of these still in force
0

What this reporting period contains

213 messages have issue dates in this period, and 173 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 accounts for 51 of 213 recorded messages (24%), the largest category group in this selection.

HYDROPAC accounts for 87 of 213 recorded messages (41%), 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

Exercises51
Incidents44
Nav aids35
Other14
Quakes13
Cable ops12
Surveys9
Missiles7
Icebergs7
Derelicts7
Restricted5
Spills4
Ordnance2
Containers1
Wrecks1
Volcanic1

Issued · by sea

North Pacific Ocean24
Mediterranean Sea - Eastern Basin11
North Atlantic Ocean11
South Atlantic Ocean10
Bay of Bengal6
South Pacific Ocean6
Yellow Sea5
Coral Sea5

HYDROPAC 87 · HYDROLANT 70 · NAVAREA IV 17 · USGS earthquakes 13 · NAVAREA XII 12 · HYDROARC 10 · NOAA IncidentNews 4

Issued · 213

Cancelled · 173

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 2015-W21 (2015-05-18 to 2015-05-24) · seahazards