Icebergs

North american ice service (nais) iceberg bulletin 290001Z jul

Labrador Sea · NAVAREA IV 732/22

What this record establishes

Archived notice · 2022-07-30 00:01Z

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 0/22 281901Z JUL 22.. Issued 2022-07-28 20:34Z. 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
Labrador Sea. The map shows the reported line or operation extent; it is not a vessel track. 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. NAVAREA IV 472/222022-05-17 · Archived notice
  2. NAVAREA IV 474/222022-05-18 · Archived notice
  3. NAVAREA IV 480/222022-05-19 · Archived notice
  4. NAVAREA IV 489/222022-05-20 · Archived notice
  5. NAVAREA IV 493/222022-05-21 · Archived notice
  6. NAVAREA IV 494/222022-05-22 · Archived notice
Compare all 99 notices, changes and original texts →

Current notices and reporting history in the Labrador Sea →

issued
2022-07-28 20:34Z
status
Archived notice
self-cancels
2022-07-30 00:01Z
authority
NAIS 0/22 281901Z JUL 22.
NAVAREA
NAVAREA IV
issued by
NAIS
sea
Labrador Sea
position
58.888, -49.949
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 290001Z JUL.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   49-16N 054-10W, 50-30N 049-55W,
   53-05N 048-50W, 57-00N 051-50W,
   57-40N 052-50W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   57-40N 052-50W, 59-25N 054-55W,
   58-10N 044-15W, 58-05N 041-55W,
   63-25N 038-35W, 65-05N 030-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-12N 057-30W, 50-54N 059-02W.
5. SEA ICE LIMIT ALONG TRACKLINE JOINING
   62-27N 069-14W, 61-54N 068-55W,
   61-15N 064-51W, 61-34N 063-33W,
   62-00N 061-34W, 62-16N 061-02W,
   64-03N 059-14W, 64-15N 057-52W.
6. MOST RECENT RECONNAISSANCE:
   INTERIOR SATELLITE PASS 26 JUL 22.
7. NOTE THE SIGNIFICANT REDUCTION
   OF THE ICEBERG LIMIT SINCE 280001Z JUL
   BULLETIN DUE TO PREDICTED DETERIORATION.
8. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
9. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
10. CANCEL THIS MSG 300001Z JUL 22.

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.
Track line joining
Introduces a route through a series of positions — a cable route, a tow's track or a survey line.
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.
Inmarsat-C / SafetyNET
The satellite system that carries NAVAREA warnings to ships at sea, and the terminal number rescue centres give for reports.
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

1730 within 180 nm since 2002 · 26 in the last 12 months · 1 listed in force now

02
05
10
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 2026-10-03 22:08Z; 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.