Icebergs

Icebergs reported at 230740Z sep in: a. 77-47.4N 100-04.3E

Kara Sea · HYDROARC 291/17

What this record establishes

Archived notice · 2017-09-26 08:51Z

This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.

Source and dates
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · RUSSIA COASTAL WARNING WEST 110/17 230800Z SEP 17.. Issued 2017-09-23 08:51Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
Kara Sea. The parsed report position is 77.688, 104.602. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Related notices and cancellation links

These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.

  1. HYDROARC 291/17 · this notice2017-09-23 · Archived notice
  2. HYDROARC 344/172017-10-17 · Archived notice
Compare all 2 notices, changes and original texts →

Current notices and reporting history in the Kara Sea →

issued
2017-09-23 08:51Z
status
Archived notice
self-cancels
2017-09-26 08:51Z
authority
RUSSIA COASTAL WARNING WEST 110/17 230800Z SEP 17.
issued by
RUSSIA COASTAL WARNING WEST
sea
Kara Sea
position
77.688, 104.602
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

KARA SEA.
LAPTEV SEA.
RUSSIA.
DNC 22, DNC 27.
1. ICEBERGS REPORTED AT 230740Z SEP IN:
   A. 77-47.4N 100-04.3E.
   B. 77-46.2N 100-19.9E.
   C. 77-47.9N 101-01.9E.
   D. 77-49.3N 101-06.5E.
   E. 77-45.7N 101-22.6E.
   F. 77-46.0N 104-05.2E.
   G. 77-50.1N 104-27.7E.
   H. 77-45.6N 106-25.1E.
   I. 77-36.4N 106-02.5E.
   J. 77-47.2N 106-21.2E.
   K. 77-34.7N 108-19.5E.
   L. 77-25.6N 108-12.5E.
   M. 77-24.0N 107-48.0E.
   N. 77-31.6N 108-48.5E.
2. CANCEL THIS MSG 260851Z SEP 17.

Reading this warning

DNC (Digital Nautical Chart)
A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
Icebergs and ice limits
Icebergs, smaller pieces of glacier ice and the published limit of known ice.
Date-time group (DTG)
A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
Position (degrees and minutes)
How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Collected reports in this area · iceberg & sea-ice bulletins

153 within 180 nm since 2011 · 17 in the last 12 months · 0 listed in force now

11
15
20
25
26

Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.

Nearby notices listed in force · within 120 nm

Worldwide in the collected sources

4 iceberg & sea-ice bulletins listed in force · see all

Record snapshot 2026-10-02 21:56Z; source collection times vary.

Icebergs

Iceberg limits and reported bergs — mostly the North American Ice Service (International Ice Patrol) bulletins in the North Atlantic. All current iceberg & sea-ice bulletins →

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.