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Partly live.Values marked LIVE come from NOAA, the Bureau of Meteorology, Copernicus (ERA5) and NASA, each with its date and source. Anything marked FIXTURE — including demo events — is still a placeholder.Sources

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Atmosphere.

Weather, climate, and atmospheric science — explained through data.

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Earth right now

Latest satellite views and climate signals

Live: Updated from a connected data source.

Climate signals

  • ENSOEl Niño conditions · JJA 2026+1.80 °CLive: Updated from a connected data source.
  • IODNeutral range · May 2026+0.15 °CLive: Updated from a connected data source.
  • MJOActive · amplitude 1.29 · Western Hemisphere and Africa · 22 Sept 2026Phase 1Live: Updated from a connected data source.

Satellite rows link to real, dated NASA imagery. Indices: NOAA CPC (ENSO), NOAA PSL (IOD), Bureau of Meteorology (MJO).

Globe: NASA Blue Marble, Black Marble and a MODIS cloud composite. The day/night line is computed for the current time; the clouds are not today's weather. Coloured rain bands on the globe are real: NASA GPM IMERG daily precipitation for 28 Sept 2026.

What's happening on Earth?

Real satellite views of the phenomena behind the events we track.

View all events

Weather Explorer

Interactive global weather and atmospheric conditions.

Loading map…
Analysis · GPM IMERG18:30 UTC · 29 Sept

Why is it happening?

Explore the science behind major atmospheric events.

Satellite land surface temperature over Europe and the Mediterranean
MODIS land surface temperature · 30 Sept 2026

Mechanism explainer · demo event

How a blocking high builds a heatwave

A persistent blocking high, dry soils and clearer skies can combine into an intense, long-lived heatwave. Each tile below is a physical step you can check against data.

Read the full analysis
  1. 01Blocking highA persistent high-pressure system stalls and diverts weather systems around it.
  2. 02SubsidenceAir sinks inside the high, warming by compression and suppressing cloud.
  3. 03Clear skiesLess cloud means more solar radiation reaches the surface.
  4. 04Soil moisture deficitDry soils evaporate less, so more energy goes into heating the air.
  5. 05Extreme heatThe combination sustains temperatures far above the seasonal norm.

Is today's weather unusual?

Compare current conditions with historical data.

LocationGlobalVariable2 m temperaturePeriodPast 30 days

Global

Live: Updated from a connected data source.

+0.8 °C

vs. 1991–2020 average

30-day mean to 26 Sept 2026

Warmer than 100% of 1991–2020 for the same 30 days

ERA5 · Copernicus Climate Pulse

1991–2020 · vs. 1991–2020 average

Europe

Unavailable: No data source is connected for this value yet.

—

Awaiting reanalysis feed

1991–2020 · vs. 1991–2020 average

Southeast Asia

Unavailable: No data source is connected for this value yet.

—

Awaiting reanalysis feed

1991–2020 · vs. 1991–2020 average

Sea surface temperature anomaly

Live: Updated from a connected data source.
Global map of today's sea surface temperature anomaly
GHRSST MUR · 28 Sept 2026

SST (°C)

−2.9−1.8−0.60.61.83

Real daily analysis. Warm colours are warmer than normal for the date.

Baseline: 2003–2014 MUR climatology (not 1991–2020)

Major Atmospheric Events

In-depth coverage of significant weather and climate events.

View all events
  • Tropical cyclone

    Tropical Storm Hanna

    28 Sept 2026North Atlantic

    Tracked by NASA EONET from NOAA National Hurricane Center advisories. Latest position 36.6°N, 50.4°W at 2026-09-28 15:00 UTC, maximum sustained wind 40 kt.

  • Tropical cyclone

    Tropical Storm Rachel

    27 Sept 2026Eastern Pacific

    Tracked by NASA EONET from Joint Typhoon Warning Center and NOAA National Hurricane Center advisories. Latest position 15.7°N, 105.4°W at 2026-09-29 18:00 UTC, maximum sustained wind 60 kt.

  • Tropical cyclone

    Tropical Storm Gonzalo

    25 Sept 2026North Atlantic

    Tracked by NASA EONET from NOAA National Hurricane Center advisories. Latest position 19.3°N, 23.3°W at 2026-09-26 21:00 UTC, maximum sustained wind 35 kt.

  • Tropical cyclone

    Hurricane Nolo

    24 Sept 2026Central Pacific

    Tracked by NASA EONET from Joint Typhoon Warning Center advisories. Latest position 21.0°N, 164.2°W at 2026-09-29 18:00 UTC, maximum sustained wind 90 kt.

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