MediumCyclonesCS: 11 · v5

Cyclones in Cape Verde

Cabo VerdeNHC

Right now

Nothing else has been detected within 20 km in the last 24 hours.

Reported by NHC today.

It is one of only 2 we have recorded within 20 km of this point since 25 September 2026. The last comparable one was on 25 September 2026. One more was recorded here in the fortnight before it.

What the source measured

NHC reported: Tropical Storm Gonzalo. Max winds: 40 mph. Pressure: 1005 mb. Movement: 345.

This is the lowest wind speed we have recorded at this point, over 7 readings since 25 September 2026 — the previous range was 35 kt to 45 kt.

How we know

One source: NHC. Not yet confirmed by a second, independent source.

Our own score for this event is 11 out of 100.

This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.

Computed under scoring rules v5. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeCyclones
SeverityMedium
Calamity Score (ours)11 / 100
Legacy data-support index0.62/1
Coordinates19.3000, -23.3000
Nearest CityEspargos (285 km)
Urban exposure index (PEI)0 within 100 km
Impact Tierminor
Timestamp2026-09-26T21:00:00.000Z
Sourcehttps://www.nhc.noaa.gov/

Physical priority index · v5. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.

Source and revision timeline

Source: nhc. Occurrence: 2026-09-26T21:00:00.000Z.

First archived: 2026-09-25T02:56:45.369Z. Material modification: 2026-09-26T20:48:12.611Z.

Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.

  1. 2026-09-26T20:48:12.611Z · data_change

    Index 11 → 11; severity medium → medium; version 5 → 5.

  2. 2026-09-26T14:50:07.542Z · data_change

    Index 19 → 11; severity medium → medium; version 5 → 5.

  3. 2026-09-26T08:55:41.653Z · data_change

    Index 23 → 19; severity medium → medium; version 5 → 5.

  4. 2026-09-26T02:42:45.750Z · data_change

    Index 19 → 23; severity medium → medium; version 5 → 5.

  5. 2026-09-25T23:48:46.446Z · data_change

    Index 19 → 19; severity medium → medium; version 5 → 5.

  6. 2026-09-25T20:50:59.929Z · data_change

    Index 11 → 19; severity medium → medium; version 5 → 5.

  7. 2026-09-25T17:55:14.110Z · data_change

    Index 23 → 11; severity medium → medium; version 5 → 5.

  8. 2026-09-25T17:24:32.454Z · data_change

    Index 23 → 23; severity medium → medium; version 5 → 5.

  9. 2026-09-25T17:13:38.236Z · data_change

    Index 23 → 23; severity medium → medium; version 5 → 5.

  10. 2026-09-25T15:13:54.979Z · data_change

    Index 23 → 23; severity medium → medium; version 5 → 5.

  11. 2026-09-25T15:03:16.126Z · data_change

    Index 23 → 23; severity medium → medium; version 5 → 5.

  12. 2026-09-25T14:57:55.793Z · data_change

    Index 19 → 23; severity medium → medium; version 5 → 5.

  13. 2026-09-25T13:53:52.547Z · data_change

    Index 19 → 19; severity medium → medium; version 5 → 5.

  14. 2026-09-25T12:12:35.065Z · data_change

    Index 11 → 19; severity medium → medium; version 5 → 5.

  15. 2026-09-25T12:07:18.413Z · data_change

    Index 11 → 11; severity medium → medium; version 5 → 5.

  16. 2026-09-25T12:02:00.795Z · data_change

    Index 11 → 11; severity medium → medium; version 5 → 5.

  17. 2026-09-25T11:35:23.397Z · data_change

    Index 11 → 11; severity medium → medium; version 5 → 5.

  18. 2026-09-25T09:14:03.667Z · data_change

    Index 11 → 11; severity medium → medium; version 5 → 5.

  19. 2026-09-25T08:47:10.874Z · data_change

    Index 11 → 11; severity medium → medium; version 5 → 5.

  20. 2026-09-25T05:48:13.035Z · data_change

    Index 11 → 11; severity medium → medium; version 5 → 5.

Score Breakdown

25
intensity
0
Urban PEI term
0
Scenario weight
13
Recorded reference / batch anomaly

Technical Details

NameGonzalo
StormIdal072026
MaxWindMph40
WindSpeedKt35
Category0
Pressure1005
Movement345
TypeLabelTropical Storm

Safety Information

During a tropical cyclone: shelter in a sturdy interior room away from windows. Stock emergency supplies including water, food, medications, and flashlights. Do not venture outdoors during the eye of the storm. After passage, beware of downed power lines, flooding, and structural damage. Follow official guidance for evacuation and shelter.

Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.

This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.

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