Navigational warnings, week 2015-W39

2015-09-21 to 2015-09-27 UTC

  1. 09-21
    34
  2. 09-22
    32
  3. 09-23
    28
  4. 09-24
    47
  5. 09-25
    38
  6. 09-26
    24
  7. 09-27
    21
issued
224
cancelled
215
in force at end
380
of these still in force
0

What this reporting period contains

224 messages have issue dates in this period, and 215 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 47 of 224 recorded messages (21%), the largest category group in this selection.

HYDROPAC accounts for 87 of 224 recorded messages (39%), 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

Incidents47
Exercises42
Other39
Nav aids21
Cable ops18
Surveys18
Quakes13
Missiles12
Icebergs9
Derelicts2
Restricted1
Wrecks1
Ordnance1

Issued · by sea

North Pacific Ocean25
South Pacific Ocean16
South China Sea13
Davis Strait13
North Atlantic Ocean12
North Sea8
South Atlantic Ocean7
Gulf of Mexico7

HYDROPAC 87 · HYDROLANT 68 · NAVAREA IV 28 · HYDROARC 23 · USGS earthquakes 13 · NAVAREA XII 5

Issued · 224

Cancelled · 215

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-W39 (2015-09-21 to 2015-09-27) · seahazards