North american ice service (nais) iceberg bulletin 200001Z apr
Labrador Sea · NAVAREA IV 379/22
What this record establishes
Archived notice · 2022-04-21 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 191925Z APR 22.. Issued 2022-04-19 20:27Z. 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.
- NAVAREA IV 349/222022-04-08 · Archived notice
- NAVAREA IV 355/222022-04-11 · Archived notice
- NAVAREA IV 369/222022-04-15 · Archived notice
- NAVAREA IV 371/222022-04-16 · Archived notice
- NAVAREA IV 373/222022-04-17 · Archived notice
- NAVAREA IV 376/222022-04-18 · Archived notice
- issued
- 2022-04-19 20:27Z
- status
- Archived notice
- self-cancels
- 2022-04-21 00:01Z
- authority
- NAIS 191925Z APR 22.
- NAVAREA
- NAVAREA IV
- issued by
- NAIS
- sea
- Labrador Sea
- position
- 54.089, -49.004
- 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 200001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
46-40N 053-09W, 45-00N 049-00W,
45-00N 046-00W, 47-00N 045-00W,
50-20N 049-25W, 54-00N 050-00W.
3. ESTIMATED ICEBERG LIMIT ALONG
TRACKLINE JOINING
54-00N 050-00W, 53-20N 044-00W,
59-00N 039-55W, 62-10N 038-10W,
64-50N 030-10W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
JOINING
50-15N 061-40W, 48-25N 061-10W,
47-40N 059-15W.
5. SEA ICE LIMIT ALONG TRACKLINES
JOINING:
A. 47-02N 060-37W, 47-50N 061-17W,
47-18N 064-00W, 49-05N 063-41W,
48-57N 061-28W, 49-45N 060-30W,
49-23N 058-14W.
B. 49-15N 053-28W, 50-09N 052-47W,
51-40N 054-20W, 54-39N 053-30W,
58-03N 057-45W, 59-21N 058-17W,
59-59N 056-39W.
C. 62-25N 041-24W, 61-31N 040-59W,
60-00N 041-42W, 59-05N 042-36W,
59-18N 046-24W, 60-10N 048-56W,
60-37N 046-36W.
6. MOST RECENT RECONNAISSANCE:
SOUTHERN LIMIT ICEBERG FLIGHT 19 APR 22.
7. NOTE THE SIGNIFICANT REDUCTION
OF THE ICEBERG LIMIT SINCE 190001Z APR
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 210001Z APR 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.
Collected reports in this area · iceberg & sea-ice bulletins
1834 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.
- North american ice service (nais) iceberg bulletin 300001Z apr2024-04-29
- North american ice service (nais) iceberg bulletin 290001Z apr2024-04-28
- North american ice service (nais) iceberg bulletin 240001Z apr2024-04-23
- North american ice service (nais) iceberg bulletin 230001Z apr2024-04-22
- North american ice service (nais) iceberg bulletin 220001Z apr2024-04-21
- North american ice service (nais) iceberg bulletin 210001Z apr2024-04-20
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
1 iceberg & sea-ice bulletins listed in force · see all
Record snapshot 2026-09-25 00:31Z; 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.