Icebergs

Two stationary radar targets were detected outside the iceberg limit on 270917Z mar

North Atlantic Ocean · NAVAREA IV 284/20

What this record establishes

Archived notice · 2020-03-31 18:40Z

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) · NAIS 281809Z MAR 20.. Issued 2020-03-28 18:40Z. 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: North Atlantic Ocean. The parsed report position is 45.407, -46.108. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the North Atlantic Ocean →

issued: 2020-03-28 18:40Z
status: Archived notice
self-cancels: 2020-03-31 18:40Z
authority: NAIS 281809Z MAR 20.
NAVAREA: NAVAREA IV
issued by: NAIS
sea: North Atlantic Ocean
position: 45.407, -46.108
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH ATLANTIC.
1. TWO STATIONARY RADAR TARGETS WERE DETECTED
   OUTSIDE THE ICEBERG LIMIT ON 270917Z MAR.
   A. 45-24.6N 045-50.8W.
   B. 45-24.2N 046-22.1W.
2. CANCEL THIS MSG 311840Z MAR 20.

Reading this warning

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

45 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now

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.

Iceberg reported in 47-49.40N 047-57.20W2023-03-06
Iceberg reported in vicinity 47-58.9N 046-53.8W on 13 mar2022-03-13
Icebergs reported at 181602Z mar in vicinity: a. 43-32.0N 048-56.3W2019-03-18
Iceberg reported in 45-28.3N 047-53.7W2019-02-25
Iceberg reported in vicinity 47-36.13N 047-20.37W at 080030Z aug2018-08-08
Possible iceberg reported in 45-52.4N 045-01.5W at 071720Z jun2018-06-07

Month of issue in the collected archive

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

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

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

Record snapshot 2026-10-02 12:28Z; 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.