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PULSE

PLANETARY VITAL SIGNS · LIVE

Earth is about 1.5 °C hotter than before the industrial age.

Greenhouse gases from burning fossil fuels are the cause, and the effects show up in the ice, the oceans and the weather. This year El Niño, a natural warm swing in the Pacific, is adding extra heat on top. New here? Start with the guide →

Live now 1 tropical cyclone196 large wildfires39 earthquakes in 24 hours55 severe US weather alerts1 red disaster alert Happening now ↓ El Niño station El Niño: very strong this week (+3.4 °C in the central Pacific) Track it live →

How much hotter is Earth?

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+1.51°C

warmer than before the industrial age

Above the 1.5 °C line

The Paris Agreement aims to hold long-term warming to 1.5 °C. It is judged on 20-year averages, so one hot year is not a breach, but it shows how close the world is to that line.

Temperature since 1880 ↓

What is causing it?

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428ppm

carbon dioxide in the air (parts per million)

Highest in 800,000 years

Burning coal, oil and gas adds CO₂, which traps heat. That is 54% more than before industry (278 ppm), and it is still rising about 1.7 ppm a year.

Greenhouse gases ↓

Is the sea rising?

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+113mm

higher than in 1993 (about 4.4 inches)

Rising faster

Warming water expands and melting land ice adds more. The sea is now rising about 3.9 mm a year, up from 2.8 mm a year in 1993–2002.

Sea level & the ocean ↓

Is the ice melting?

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−18%

less Arctic sea ice than normal for early November

Unusually low

That is 1.7 million km² less ice than the 1981–2010 average for this time of year. Less bright ice means more dark ocean soaking up sunlight.

Polar sea ice ↓
All 13 vital signs as numbersfor regular readers: the dense dashboard view

CO₂ · Global

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428.22ppm
▲ +1.72 ppm / yr
NOAA GML · 11-03

CH₄ · Global

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1,942.1ppb
▲ +6.4 ppb / yr
NOAA GML · 06-15

Global temp anomaly

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+1.38°C
2026-09 · vs 1951–80
40 months ≥ +1.0
NASA GISTEMP · 09-15

Niño 3.4 anomaly

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+3.4°C
SST 30.2 °C · wk 10-28
EL NIÑO · ONI +2.46
NOAA CPC · weekly

Sea level · Global

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+113mm vs 1993
▲ +3.9 mm / yr last decade
CU altimetry · 06-27

Coral bleaching

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34reefs at alert
of 214 stations · 119 under stress
27 AT ALERT LEVEL 2
NOAA CRW · 11-02

Arctic sea ice

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8.15M km²
▼ -1.73 vs 1981–2010 avg
-17.5% · UNUSUALLY LOW (3.1σ)
NSIDC G02135 · 11-03

Lake Mead

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1,039.21ft
-189.8 ft vs full pool
144.2 ft above dead pool
USBR LC · daily · 11-03

Lake Powell

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3,534.50ft
+44.5 ft vs min power pool
164.5 ft above dead pool
USBR UC · daily · 11-03

Snowpack · Upper Colorado

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1.0in SWE
124% of the 1991–2020 median (0.8 in)
ABOVE MEDIAN
NRCS SNOTEL · 136 stations · 11-03

Drought · US + world

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49.5% of the US in drought
9 drought events worldwide · 8.3 M km²
1.7% exceptional (D4)
US Drought Monitor · 10-27

Wildfire · Global

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183,473hotspots / 24 h
ΣFRP 1,859 GW · VIIRS NOAA-20 + 21
100 fire events in 19 countries
NASA FIRMS · GDACS · NIFC · 11-04

Events now

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196wildfires
0 storms · 39 quakes / 24 h · M5
1 RED GDACS ALERT
EONET · NHC · USGS · GDACS

Happening now

Storms, earthquakes, severe weather, wildfires and climate news, updated every few minutes, day and night.

Storms, quakes & alerts

Every active tropical cyclone, significant earthquake, severe US weather warning and major disaster alert, on one map. Each feed is checked every 15–30 minutes.

EVENTS Event wall — one live map ?
0 of 0 on the map
Tap or hover a dot to read it · double-tap the map to zoom in
▲Critical ◆Warning ●Watch ·Info bigger dot = stronger earthquake ◎number = several events in one spot — tap to zoom in or spread them out shaded = the night side of Earth right now ↗ opens the official announcement
Source: NHC · NWS · EONET · GDACS · USGS ↗ each feed is checked every 15–30 minutes · US alerts shown only at Severe or Extreme · NASA EONET: the top 50 of — open events · ↗ opens the official announcement

Hurricanes & typhoons

Every active tropical cyclone on Earth: where it has been, how strong it is now, whether it is strengthening fast, and where the official forecast says it is going. Warmer oceans are their fuel.

STORMS Storm tracker — hurricanes & typhoons worldwide ?
In-fa70%60%50%99W LOW
1 active · 4 watched · ×1.7

60 kt (69 mph · 111 km/h, 10-minute average) · 975 hPa

western Pacific · JMA · updated 1 h ago

JMA forecast: no further strengthening expected

Official advisory ↗

Could form next — areas forecasters are watching for new storms

Next 2 days 60%mediumNext 7 days 70%high

eastern & central Pacific · US National Hurricane Center · issued 2 h ago · tracked as CP95

Showers and thunderstorms associated with a trough of low pressure located over the eastern portion of the Central Pacific basin are gradually becoming better organized.

The forecaster's full note

Environmental conditions appear conducive for additional development of this system, and a tropical depression is likely to form over the Central Pacific basin during the next few days while it moves westward to west-northwestward at 10 to 15 mph.

NHC outlook ↗
Next 2 days 40%mediumNext 7 days 60%medium

eastern & central Pacific · US National Hurricane Center · issued 2 h ago

A broad area of low pressure is producing a large area of disorganized showers and thunderstorms offshore of the coast of Central America.

The forecaster's full note

Gradual development of this system is possible during the next several days, and a tropical depression could form by this weekend while the low drifts northward. Regardless of development, this system could bring areas of heavy rain to portions of Central America through this weekend.

NHC outlook ↗
Next 2 days 30%lowNext 7 days 50%medium

Atlantic · US National Hurricane Center · issued 2 h ago

A non-tropical low pressure area is located a few hundred miles south of Bermuda.

The forecaster's full note

Environmental conditions could support this system gradually acquiring subtropical characteristics through this weekend while it moves slowly eastward over the western and central subtropical Atlantic. By early next week, environmental conditions are forecast to become unfavorable for further development. For more information on this system, including Gale Warnings, please see High Seas Forecasts issued by the National Weather Service.

NHC outlook ↗

Chance of becoming a tropical cyclone within 24 hours: LOW

about 890 nautical miles (1648 km) east-northeast of Guam

winds about 15–20 kt (17–23 mph) · pressure about 1010 hPa · marginally favourable conditions for development

western North Pacific · US Joint Typhoon Warning Center · issued 11 h ago

JTWC advisories ↗
Tropical stormCategory 1Category 2Category 3 (major)Category 4–5 typhoons are coloured by their equivalent strength on the same scale solid line = path so far · dashed = official forecast · circles = where the centre will probably be (JMA, 70% chance) shaded cone = where NHC expects the centre to go (about two-thirds of past forecast centres stayed inside) — wind, rain and surge reach well outside it hurricane warninghurricane watchtropical storm warningtropical storm watch a ring around a storm = major strength (Category 3+) · tap a storm for details, or any dot on a path for its time and strength · double-tap to zoom · zooms to ×64 low chancemediumhigh chance of forming ✕ = a disturbance being watched (NHC colours it by its 2-day chance) · hatched = where NHC expects one could form within 7 days, coloured by the 7-day chance · dashed arrow = its expected drift
Source: NOAA NHC · Japan Meteorological Agency · GDACS ↗ NHC covers the Atlantic and eastern & central Pacific (1-minute winds); JMA, the official centre for the western Pacific, uses 10-minute winds, so its storms keep JMA's classes rather than a hurricane category; GDACS fills the other oceans · areas that could become storms: NHC's tropical weather outlook (chance in percent over 2 and 7 days) and the US Joint Typhoon Warning Center's advisories for the Pacific and Indian Oceans (low / medium / high over 24 hours) · the cone and the coastal watches and warnings are NHC's own, from each advisory · each feed checked every 15–30 minutes · El Niño years usually mean a quieter Atlantic and more, stronger storms in the central and eastern Pacific

Climate news

The latest stories from The Guardian, Carbon Brief, Yale Environment 360 and NASA's Earth Observatory, newest first.

NEWS News river — curated climate desk ?
Source: Guardian · Carbon Brief · Yale E360 · NASA EO ↗ RSS · fetched 45–60 min · deduped by title · time is the only ranking

Wildfires

Fires seen from space. Weather satellites pass over several times a day and flag every hotspot, a patch of ground hot enough to be burning, from the last 24 hours. The biggest fire events are named by country.

FIRE Wildfire — global hotspots & incidents ?
LOADING HOTSPOTS…
< 20 MW20–100100–500500–2,500≥ 2,500 MW Fire cluster seen by satellite Officially tracked fire (GDACS) Named US fire a filled ◆ = orange or red alert square colour = total fire power in that half-degree square (megawatts) · tap or click any marker for details · double-tap to zoom
Source: NASA FIRMS · GDACS · NIFC WFIGS ↗ heat detections at 375 m from two weather satellites (NOAA-20 and NOAA-21, VIIRS instrument, about 50 minutes apart) · rolling 24 hours · a hotspot is heat, not a fire outline — gas flares and industry show up too, and much of Africa's and Australia's signal is farm or savanna burning rather than disaster

Records & milestones

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How today's readings compare with every reading on file, some going back over a century. A record is only called when it really is one.

CO₂ milestone

MILESTONE
428.2ppm
1.78 ppm below the 430 mark

Rising ~1.7 ppm/yr · higher than at any point in the 800,000-year ice-core record.

ATMOSPHERE · 2026-11-03

CH₄ milestone

MILESTONE
1,942ppb
58 ppb below the 2,000 mark

Rising ~6.4 ppb/yr · ≈2.7× pre-industrial (722 ppb) · ~80× CO₂'s warming punch over 20 years.

ATMOSPHERE · 2026-06-15

Global temperature

RECORD
+1.78°C
Hottest month in the 146-year record (Sep 2023)

Above pre-industrial. Warmest 12 months: +1.62 °C to Aug 2024 · 40 months in a row at least +1.3 °C.

ATMOSPHERE · 2026-09-15

Arctic sea ice

BELOW AVG
8.15M km²
35th-lowest for Nov 3 in 49 years

Extent for this date across the satellite record · 3.1 σ below the 1981–2010 average.

CRYOSPHERE · 2026-11-03

Sea level milestone

MILESTONE
+113mm since 1993
7 mm below the +120 mark

Rising +3.9 mm/yr over the last decade — up from +2.8 in 1993–2002 · ocean heat + land-ice melt; the smoothed rise never gives back.

OCEAN · 2026-06-27

Lake Mead

NEAR-LOW
1,039.2ft
1.4 ft above its Sep 2026 low

That low was the lowest since Lake Mead filled (late 1930s) · full pool 1,229 ft.

WATER · 2026-11-03

Lake Powell

BELOW FULL
3,534.5ft
17.9 ft above its Sep 2026 low

That low was the lowest since Lake Powell filled (1980) · full pool 3,700 ft.

WATER · 2026-11-03

Upper Colorado snowpack

ABOVE MEDIAN
1.0in SWE
124% of the 1991–2020 median for today

Basin mean over 136 SNOTEL stations · water year WY2027 · peak so far 1.0 in (Nov 2).

WATER · 2026-11-03

The long-term picture

The slow signals, measured over years and decades: what is driving the warming, and what it is changing.

The cause: greenhouse gases & temperature

Carbon dioxide and methane trap heat in the atmosphere. Both keep climbing, and global temperature is rising with them.

ATMOSPHERE CO₂ — global surface concentration ?
LOADING SERIES…
Trend (the yearly plant-growth cycle removed) Actual level, with the yearly cycle
Source: NOAA GML ↗ daily global average · this record since 2016, Mauna Loa measurements since 1958
ATMOSPHERE CH₄ — global methane concentration ?
LOADING SERIES…
Trend (the yearly cycle removed) Monthly level, with the yearly cycle
Source: NOAA GML ↗ monthly global average since 1983 · methane breaks down faster than CO₂ but traps far more heat per molecule
ATMOSPHERE Global temperature — difference from normal ?
LOADING SERIES…
12-month average Single months
Source: NASA GISS ↗ monthly, land and ocean combined (NASA GISTEMP v4) · since 1880 · 'normal' here is NASA's 1951–1980 average, about 0.3 °C warmer than pre-industrial

Sea ice

Polar sea ice grows every winter and shrinks every summer. Over the decades the Arctic has been losing ice in every season, and dark open water absorbs far more sunlight than bright ice.

CRYOSPHERE Sea ice — how much of the polar ocean is frozen, day by day ?
LOADING SERIES…
Normal range (1981–2010) Every year since 1978 — highlight any of them with “Add a year”
Source: NSIDC Sea Ice Index v4 ↗ daily satellite record since 1978 · shaded band = the normal range for each date, 1981–2010 · 'extent' counts ocean at least 15% covered by ice

The ocean

The ocean soaks up most of the extra heat, which raises sea level and can fuel stronger storms. El Niño and La Niña are natural swings in the Pacific that nudge the whole planet warmer or cooler for a year or two.

OCEAN El Niño — central Pacific temperature (Niño 3.4) ?
LOADING SERIES…
Weekly difference from normal 3-month average (ONI) El Niño periods La Niña periods
Source: NOAA CPC ↗ weekly · differences from the 1991–2020 normal · weekly readings since 1981, the 3-month index (ONI) since 1950 · El Niño is declared when the 3-month average stays at +0.5 °C or more
OCEAN Sea level — global mean (satellite altimetry) ?
LOADING SERIES…
60-day average Individual satellite passes (~10 days each)
Source: Univ. of Colorado Sea Level Group ↗ satellite measurements every ~10 days since 1993 · seasonal swings removed · corrected for land still rising after the ice ages (GIA) · each release runs 2–3 months behind
OCEAN Sea surface temperature — world oceans ?
LOADING SERIES…
Normal range (1981–2010) Every year since 1981 — highlight any of them with “Add a year”
Source: Climate Reanalyzer · NOAA OISST v2.1 ↗ daily satellite and buoy record since 1981 (NOAA OISST v2.1) · shaded band = the normal range for each date, 1981–2010 · fetched through a home-network relay because the source blocks data-centre traffic
OCEAN Sea surface temperature — central Pacific ?
LOADING SERIES…
Normal range (1981–2010) Every year since 1981 — highlight any of them with “Add a year”
Source: Climate Reanalyzer · NOAA OISST v2.1 ↗ daily satellite and buoy record since 1981 (NOAA OISST v2.1) · shaded band = the normal range for each date, 1981–2010 · fetched through a home-network relay because the source blocks data-centre traffic
OCEAN Hurricane & typhoon energy this season (ACE) ?
LOADING SERIES…
Normal so far by this date (1991–2020) Every season since 1980 — highlight any of them with “Add a year”
Source: NOAA NCEI IBTrACS v04r01 ↗ ACE adds up every storm's wind speed squared, every 6 hours while it is at least tropical-storm strength — so it counts how strong storms are AND how long they last · normal = 1991–2020 · seasons since 1980 · this season is provisional · El Niño years usually mean a quieter Atlantic and a busier Pacific

Coral reefs

When the water stays too warm for too long, corals push out the algae that feed them and turn white. NOAA tracks that heat stress at reef sites around the world.

OCEAN Coral bleaching — reef heat stress ?
LOADING STATIONS…

Tap or click a reef to read it. Double-tap to zoom in.

Alert level 2Alert level 1WarningWatch No stress heat stress (DHW, "degree heating weeks") = how far above its safe summer limit the water has been, added up over 12 weeks — at 4 significant bleaching is likely, at 8 severe bleaching and coral death
Source: NOAA Coral Reef Watch ↗ daily satellite sea temperature at 5 km · 214 reef areas worldwide · runs about 2 days behind

Water: the Colorado River

Lakes Mead and Powell are the two largest reservoirs in the US and hold the Colorado River's water for the cities and farms of the American Southwest. Less mountain snow and hotter summers mean less water reaching them.

COLORADO RIVER SYSTEM

Powell + Mead · one system ◆ MEAD: TIER 2 SHORTAGE RANGE
25.8% of combined
capacity
050.4 MAF combined capacity
  • POWELL 6.1 / 24.3 MAF
  • MEAD 6.9 / 26.1 MAF
  • SYSTEM 13.0 MAF stored

Combined live storage ÷ USBR active capacity. Shortage tiers are officially set by USBR from the projected Jan-1 Mead elevation; this shows where Mead's current 1,039.2 ft falls. · USBR · 2026-11-03

WATER Lake Mead — pool elevation ?
LOADING SERIES…
Lake surface elevation Shortage and operating lines
Source: USBR Lower Colorado ↗ monthly since 1935, daily this month · shortage lines from the 2007 Interim Guidelines and the Drought Contingency Plan · an acre-foot is enough water to cover an acre (about ¾ of a football field) one foot deep
WATER Lake Powell — pool elevation ?
LOADING SERIES…
Lake surface elevation Shortage and operating lines
Source: USBR hydrodata (site 919) ↗ daily since 1963 · full capacity 24.32 million acre-feet
WATER Streamflow — the Colorado River ?

cfs = cubic feet of water flowing past each second · MAF = million acre-feet (an acre-foot covers an acre one foot deep) · WY2026 = the water year, October 2025 to September 2026

LOADING SERIES…
WY2027 WY2026 Typical flow for the date (median since 1965) Normal range (middle 80% of years) the Compact point — Lake Powell's release
Source: USGS Water Data ↗ daily average flow · Colorado R. at Lees Ferry, AZ · records begin: Green River 1894, Cisco 1913, Lees Ferry 1921 · 'normal' = the years since the dam was filled (water year 1965 on)
WATER Snowpack — Upper Colorado basin ?

SWE (snow water equivalent) = how many inches of water the snowpack would make if it all melted — it is next spring's river · WY2027 = the water year, 1 October 2026 to 30 September 2027

LOADING SERIES…
Typical snowpack for the date (1991–2020 median) Every water year since 1991 — highlight any of them with “Add a year”
Source: USDA NRCS SNOTEL (AWDB) ↗ daily · 136 automated snow stations (SNOTEL) across the Upper Colorado basin · basin average · water year runs 1 Oct → 30 Sep · 'median' = the 1991–2020 normal

Drought

Where the land is drier than normal: the weekly US Drought Monitor, and drought events around the world.

DROUGHT Drought — world events & US monitor ?
LOADING WORLD DROUGHTS…

9 drought events in the current Copernicus GDO analysis period (through 2026-11-02) · 8.32 M km² of land · 9 of 9 with mapped footprints · GDACS also lists 28 drought events whose last analysis period has passed — they are not shown, mapped or counted here

Area in drought Orange or red alert Drought event a filled ◆ = orange or red alert (GDACS) · tap or click any marker for details · areas are modelled by Copernicus, not hand-drawn
Source: US Drought Monitor · Copernicus GDO ↗ the US Drought Monitor is drawn by drought experts every Thursday for the Lower 48 · world drought events come from the Copernicus Global Drought Observatory (via GDACS), recomputed from models about every 10 days · the two are never added together

Tipping points

Some parts of the Earth system could change suddenly and for good once warming passes a certain level. This board shows today's warming against each estimated threshold.

EARTH SYSTEM Tipping points — proximity to assessed thresholds ?
Cryosphere 9 elements Ice sheets, sea ice, mountain glaciers and frozen ground.
Ocean circulation 2 elements The Atlantic overturning and the deep convection that drives it.
Biosphere 5 elements Forests, coral reefs and monsoon systems.
▲ IN RANGE Greenland Ice Sheet GLOBAL CORE
THRESHOLD 1.5 °C [0.8–3.0 °C] TIMESCALE ~10,000 yr once crossed STATE current warming has reached this element's low threshold estimate — the assessed window where tipping becomes possible, not a sign it has tipped

MECHANISM Surface melt lowers the ice surface into warmer air (the melt–elevation feedback), a self-reinforcing loss that eventually removes most of the sheet.

IF CROSSED Commits the world to ~7 m of sea-level rise over millennia and freshens the North Atlantic.

▲ In range — warming has reached the lowest estimate ◆ Nearing — within 0.5 °C ● Below the range Warming today Paris goals, 1.5 and 2 °C bar = the scientists' estimated range · notch = their central estimate · tap or click a row for details
Source: Armstrong McKay et al. 2022, Science ↗ 16 parts of the Earth system · thresholds from Armstrong McKay et al. 2022 (Science) · warming measured from pre-industrial (1850–1900)
PULSE · pulse.bighawk.uk every instrument shows its source and data age — stale beats fake NOAA · USBR · NASA · NSIDC · USGS · GDACS