Storms · tropical cyclone

Tropical cyclone 01B (one)

NORTH INDIAN OCEAN · JTWC-IO0126

What this record establishes

Listed in force

The latest collected record lists this warning as active. This is the status of the notice, not a live observation of conditions at the location.

Source and dates
Joint Typhoon Warning Center — current systems + danger swaths · JTWC. Issued 2026-09-22 21:00Z. First collected 2026-09-22 20:26Z; last seen in collection 2026-09-22 22:26Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
NORTH INDIAN OCEAN. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.

Current notices and reporting history in the Bay of Bengal →

issued
2026-09-22 21:00Z
status
Listed in force
authority
JTWC
sea
Bay of Bengal
position
18.174, 83.702
source
Joint Typhoon Warning Center — current systems + danger swaths · first seen 2026-09-22 20:26Z

Original warning text

NORTH INDIAN OCEAN.
TROPICAL CYCLONE 01B (ONE).
1. JTWC WARNING NUMBER 01 ISSUED 222100Z SEP 26. FORECAST POSITION 17.600N 084.800E.
2. 34-KNOT WIND DANGER SWATH SHOWN.
3. JOINT TYPHOON WARNING CENTER. https://www.metoc.navy.mil/jtwc/jtwc.html

Conditions at the position · now

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MET Norway · NOAA WaveWatch III · HYCOM · GEBCO 2020 · model data at the centroid, not an observation

Collected reports in this area · tropical cyclone warnings

1 within 180 nm since 2026 · 1 in the last 12 months · 1 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.

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

6 tropical cyclone warnings listed in force · see all

Record snapshot 2026-09-22 23:12Z; source collection times vary.

Storms

Hurricanes, typhoons and tropical storms: forecast cones from the U.S. National Hurricane Center and the Joint Typhoon Warning Center, and the port closures NAVAREA coordinators broadcast for them. All current tropical cyclone warnings →

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.