Icebergs

North american ice service (nais) iceberg bulletin 100001Z mar 2. iceberg limit along trackline joining…

Labrador Sea · NAVAREA IV 193/19

What this record establishes

Archived notice · 2019-03-11 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 091836Z MAR 19.. Issued 2019-03-09 22:38Z. 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 151/192019-03-01 · Archived notice
  2. NAVAREA IV 155/192019-03-02 · Archived notice
  3. NAVAREA IV 158/192019-03-03 · Archived notice
  4. NAVAREA IV 161/192019-03-04 · Archived notice
  5. NAVAREA IV 164/192019-03-05 · Archived notice
  6. NAVAREA IV 176/192019-03-06 · Archived notice
Compare all 60 notices, changes and original texts →

Current notices and reporting history in the Labrador Sea →

issued
2019-03-09 22:38Z
status
Archived notice
self-cancels
2019-03-11 00:01Z
authority
NAIS 091836Z MAR 19.
NAVAREA
NAVAREA IV
issued by
NAIS
sea
Labrador Sea
position
53.138, -49.260
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
   100001Z MAR
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   46-40N 053-10W, 46-15N 052-45W, 44-50N 047-40W,
   46-00N 044-00W, 49-00N 043-00W, 52-25N 047-35W,
   57-00N 054-00W.
3. ESTIMATED ICEBERG LIMIT ALONG TRACKLINE JOINING
   57-00N 054-00W, 58-00N 051-00W, 58-00N 041-00W,
   64-00N 037-00W, 65-20N 028-00W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE BETWEEN
   51-10N 058-40W AND 50-10N 057-30W.
5. SEA ICE LIMIT ALONG TRACKLINES:
   A. JOINING 43-45N 066-05W, 43-00N 065-45W,
      43-15N 064-05W, 44-30N 059-35W, 44-15N 058-10W,
      44-40N 056-00W, 47-15N 057-10W, 47-15N 055-15W.
   B. BETWEEN 44-40N 067-05W AND 44-00N 066-10W.
   C. JOINING 46-50N 055-45W, 46-05N 052-50W,
      47-05N 048-45W, 45-05N 048-15W, 45-30N 046-30W,
      47-55N 045-35W, 49-10N 047-55W, 55-00N 052-25W,
      56-25N 057-00W, 58-00N 058-30W, 61-30N 060-30W,
      63-30N 057-55W.
   D. JOINING 62-30N 041-30W, 61-43N 041-07W,
      59-47N 042-36W, 59-36N 043-59W, 59-49N 043-36W.
   E. JOINING 60-16N 045-21W, 60-12N 045-32W,
      60-38N 046-35W, 60-41N 046-30W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHEASTERN LIMIT ICEBERG FLIGHT 06 MAR 19.
7. 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.
8. FOR MORE REPORTING INFORMATION OR TO DOWNLOAD
   SHAPEFILES AND WEEKLY PREDICTIONS, GO TO
   WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 110001Z MAR 19.

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

1553 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now

99
00
05
10
15
20
24

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

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 13:42Z; 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.