What was the peak intensity of Ilsa?

Ilsa achieved maximum sustained winds of approximately 259 km/h (140 kt / 161 mph) and a minimum central pressure of approximately 920 hPa.

Did Ilsa affect Port Hedland?

Ilsa passed approximately 106 km from Port Hedland. Outer rainbands and gusty winds likely affected the area.

Did Ilsa affect Darwin?

Ilsa passed approximately 281 km from Darwin. Outer rainbands and gusty winds likely affected the area.

Ilsa developed over warm ocean waters under conditions of high atmospheric moisture and low vertical wind shear.

Typhoon Ilsa Track Map & Archive

Dissipated

Local time · Active from 05 Apr 2023 21:00 GMT+9 to 15 Apr 2023 15:00 GMT+9

Previous Storm:

Herman

Next Storm:

Sanvu

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Interactive Live Storm Tracker

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Estimated Storm Impact Analysis

Real-time analysis of population and infrastructure exposure within the storm's wind field.

Radius: ~600 km

👥 Estimated Population at Risk

13.84Mpeople

🏥 Hospitals & Medical Centers

252facilities

🏕️ Evacuation Shelters & Centers

769centers

🏫 Schools & Critical Infrastructure

1846buildings

🤖

AI Historical Storm Matches

Compare historical storms by track, pressure changes, and rapid intensification patterns.

AI Trajectory Match

Kevin87% Similarity Score

MAX: 248 m/s

MIN: 919 hPa

⚡ Rapid Intensification Risk:High Risk

View Historical Storm Track↗

Hale71% Similarity Score

MAX: 86 m/s

MIN: 991 hPa

⚡ Rapid Intensification Risk:High Risk

View Historical Storm Track↗

Gabrielle71% Similarity Score

MAX: 162 m/s

MIN: 962 hPa

⚡ Rapid Intensification Risk:High Risk

View Historical Storm Track↗

Basic Information

Peak Category

Tropical Depression

Minimum Pressure

920 hPa

Maximum Wind Speed

259 km/h

Region

South Pacific

Key Events

Formation

05 Apr 2023 21:00 GMT+9

7.1°S, 135.4°E

Dissipation

15 Apr 2023 15:00 GMT+9

22.9°S, 132.9°E

Frequently Asked Questions about Ilsa

No, Ilsa is no longer active. It dissipated or transitioned into an extratropical cyclone on 2023-04-15T06:00:00.000Z.

Ilsa formed on 2023-04-05T12:00:00.000Z and dissipated on 2023-04-15T06:00:00.000Z, reaching a peak intensity of Tropical Depression.

Key Meteorological Milestones

Synthesized from official bulletins (NHC/NOAA, JMA, CMA, KMA). Licensed for non-commercial educational & academic research.

🌀

Genesis & Initial Classification

Tropical Depression

📅 05 Apr 2023 12:00 (05 Apr 2023 21:00 GMT+9)🌐 7.1°S, 135.4°E🏛️ Official

Wind Speed25 km/h (13 kt)

Pressure1006 hPa

⚡

Named Storm Upgrade (TS)

Tropical Storm

📅 07 Apr 2023 15:00 (08 Apr 2023 00:00 GMT+9)🌐 9.2°S, 130.4°E🏛️ Official

Wind Speed65 km/h (35 kt)

Pressure992 hPa

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System Regeneration / Re-intensification

Tropical Depression

📅 09 Apr 2023 12:00 (09 Apr 2023 20:00 GMT+8)🌐 12.3°S, 125.5°E🏛️ Official

Wind Speed54 km/h (29 kt)

Pressure1002 hPa

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Peak Lifetime Intensity (LMI)

Category 4

📅 13 Apr 2023 12:00 (13 Apr 2023 20:00 GMT+8)🌐 19.5°S, 119.1°E🏛️ Official

Wind Speed230 km/h (124 kt)

Pressure915 hPa

📉 Pressure Drop-91 hPa

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Final Advisory / Dissipation

Tropical Depression

📅 15 Apr 2023 06:00 (15 Apr 2023 15:30 GMT+9:30)🌐 22.9°S, 132.9°E🏛️ Official

Wind Speed43 km/h (23 kt)

Pressure1005 hPa

💾Best-Track Scientific Dataset Exporter

⚪ Official Final Consolidated Archive

Synthesized research-grade meteorological data ready for Excel, Python Pandas, or GIS platforms, compliant with academic citations and multi-agency validation.