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Extreme Weather Report: This Week’s Major Events

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Wednesday, November 11, 2026

Weekly Earth’s Extreme Weather Report — Wednesday, November 11, 2026

By Paul Harrison, Orbis Weather

Covering 4 to 11 November 2026

One storm system over the eastern Mediterranean and Iraq caused the week’s deadliest weather, killing at least seven people in Gaza and Erbil on 7 and 8 November. Flash floods killed two people in Corsica, storms struck southern Brazil and central Vietnam recorded more than 700 mm (28 in) of rain.

  • Gaza: at least 5 dead, including 4 children, when an embankment collapsed onto tents on 8 November.
  • Erbil, Iraq: 2 dead after about 80 mm (3.1 in) of rain fell against a 30 mm (1.2 in) forecast.
  • Corsica, France: 2 dead in flash floods; 285 mm (11.2 in) at Conca.
  • Southern Brazil: 4 deaths under investigation and three confirmed tornadoes on 4 November.
  • Central Vietnam: 760 mm (29.9 in) at Bach Ma peak near Hue.

The week at a glance

Date (2026)

Place

Event

Reported impact

4 Nov

Northern New York and Quebec

Record November warmth

Montreal 23.1°C (73.6°F), old record 18.3°C (64.9°F); Massena, NY 77°F (25.0°C)

1–6 Nov

Rio Grande do Sul and Santa Catarina, Brazil

Storms, tornadoes on 4 Nov

4 deaths under investigation; 70,491 affected in Rio Grande do Sul

4–6 Nov

Corsica, Gard and Hérault, France

Flash floods

2 dead; at least 70 evacuated

5 Nov

Sardinia, Italy

Red alert, heavy rain

172 mm (6.8 in) at Golfo Aranci; no casualties

6–7 Nov

Gemena, DR Congo

Violent rain

1 dead, 1 missing, nearly 500 households affected

6–7 Nov

Western Iran

Heavy rain

140 mm (5.5 in) at Sepiddasht in 24 h; 4 trains halted by rockslide

6–8 Nov

British Columbia, Canada

Windstorms

Nearly 415,000 BC Hydro customers lost power

6–8 Nov

Gaza

First winter storm

At least 5 dead; about 70,000 tents flooded

7 Nov

Erbil, Iraq

Flash floods

2 dead; more than 300 rescued

7–8 Nov

Central and northern Israel

Record rain

117 mm (4.6 in) in about 1¼ hours at Kadima

7–10 Nov

Northern and eastern China

Cold wave, first snow

18 cm (7.1 in) of snow at Suizhong, Liaoning

6–10 Nov

Delhi, India

Smog in stagnant air

Daily AQI 376 on 8 Nov

7–11 Nov

Cape York, Queensland

Heat wave

Weipa 39.9°C (103.8°F), a November record

8–11 Nov

Pidie Jaya, Aceh, Indonesia

Floods

32,272 people affected

8–11 Nov

Central Vietnam

Heavy rain, floods, landslides

760 mm (29.9 in) at Bach Ma; no deaths reported

10 Nov

Punjab, Pakistan

Smog

Lahore average AQI 303; Multan 971

10–11 Nov

Ogasawara Islands, Japan

Typhoon Cempaka

Passed south of Chichijima; no damage reports found

10–11 Nov

Western Washington, US

Atmospheric river

Skokomish River at moderate flood

11 Nov

South-east Queensland

Severe storms

More than 58,000 households without power

Figures are as reported by the sources listed below and may change.

The biggest stories

Gaza, Iraq, Iran and Israel: one storm, at least seven deaths

A storm system brought the first heavy winter rain to the Levant and Mesopotamia from 6 to 9 November. In Gaza, at least 5 people, including 4 children, died when a rain-soaked embankment collapsed onto tents south of Deir al-Balah on 8 November, the International Rescue Committee said on 9 November. The Gaza Government Media Office said about 70,000 tents flooded within 12 hours (Al Jazeera, 8 November); the UN put flooded households at 26,000 or more (via IRC).

In Erbil, in Iraq’s Kurdistan Region, flash floods on the night of 7 November killed 2 people, including a 5-year-old boy (Anadolu via Türkiye Today, 8 November). Shafaq News reported more than 300 rescued and the Kirkuk–Erbil highway closed on 8 November. Iran issued warnings in 19 provinces, and Israel’s Kadima station recorded 117 mm (4.6 in) in about 1¼ hours (Jerusalem Post, 9 November). Iraqi rain was expected to ease from 9 November.

Corsica: flash floods kill two

A couple in their 70s died when their car was swept away on the RT10 between Bonifacio and Porto-Vecchio at about 01:00 on 6 November (Euronews, Corse Net Infos, 6 November). Their daughter, who was driving, was rescued. Euronews reported more than two months of rain in about 48 hours, with 285 mm (11.2 in) at Conca and 205 mm (8.1 in) near Porto-Vecchio, and at least 70 people evacuated.

On the mainland, the Vidourle rose more than 1.5 m (4.9 ft) in two hours at Sommières in the Gard on 5 November. Sardinia’s red alert on 5 November passed without the feared floods because most of the rain fell over the sea (Internazionale, 6 November).

Southern Brazil: storms and three tornadoes

Storms from 1 November hit Rio Grande do Sul and Santa Catarina, with tornadoes confirmed in Erval Grande, Itatiba do Sul and Barra do Rio Azul on 4 November. Authorities were investigating 4 deaths as possibly linked to the storms, and 1 person was missing (Agência Brasil, 5 November). Passo Fundo had 126 mm (5.0 in) in six hours on 4 November.

Rio Grande do Sul’s update of 6 November counted 70,491 people affected in 136 municipalities and 7,141 homes damaged (NC News, 9 November). In Santa Catarina, 5,531 homes were damaged and 32 municipalities declared emergencies (Agência Brasil, 5 November).

Central Vietnam: extreme rain and landslides

The government ordered eight central provinces to prepare for floods on 7 November, with forecasts of 250–450 mm (9.8–17.7 in) and isolated totals above 700 mm (27.6 in). By 10 November, Bach Ma peak near Hue had 760 mm (29.9 in) and A Luoi nearly 600 mm (23.6 in) (Dân trí, 10 November). Nearly 1,000 households were flooded in Thanh Hoa.

Landslides cut national roads in Quang Tri, Da Nang and Gia Lai, and 90 households were evacuated in Tra My, Da Nang (VietnamPlus, 11 November). No deaths had been reported. Forecasters expected the rain to ease from 12 November.

Climate context

A strong-to-very strong El Niño is under way, and the Japan Meteorological Agency (JMA) reports record warmth in the eastern Pacific. NOAA’s Climate Prediction Center (CPC) has an El Niño Advisory in force. Its latest discussion, issued 8 October, said “El Niño continues to strengthen, with a strong-to-very strong El Niño likely through January-March 2027”, with the next update due 12 November. On 10 November, JMA reported an October NINO.3 anomaly of +4.4°C (+7.9°F), the highest since records began in 1949. Australia’s Bureau of Meteorology, also on 10 November, said all models expect the warming to peak in November or December. Copernicus reported on 5 November that October 2026 was the warmest October on record, and ECMWF’s Samantha Burgess said “An exceptionally strong El Niño is adding further heat to a climate already warmed by human activities”. In East Africa, the heavy short rains forecast for this El Niño year “have not yet occurred” (BBC via The Star, 11 November). Bolivia remains under a national drought emergency declared on 31 October, which El Deber links to El Niño.

The week ahead

  • Typhoon Cempaka, north-west Pacific: at 00:00 UTC on 11 November it was about 339 nautical miles east-north-east of Iwo To, with winds of 70 kt (130 km/h, 81 mph), moving east-north-east at 23 kt (43 km/h, 26 mph) (JTWC, issued 06:00 UTC 11 November). It is heading away from Japan over open ocean.
  • Bay of Bengal: the India Meteorological Department expects a low-pressure area over the south-east Bay of Bengal around 13 November, becoming a well-marked low within the following 24 hours (IMD, 13:00 IST 10 November).
  • Southern Thailand: very heavy rain in Chumphon, Surat Thani and Nakhon Si Thammarat on 12 November and in the latter two on 13 November, with waves of 2–3 m (6.6–9.8 ft) in the lower Gulf of Thailand (Thai Meteorological Department advisory No. 5, 17:00 10 November).
  • Northern California: a Winter Storm Watch for the Northern Sierra and southern Cascades above 6,000 ft (1,830 m) from 13 to 16 November, with up to 1 ft (30 cm) of snow, 2 ft (61 cm) on the highest peaks and gusts to 60 mph (97 km/h) (NWS Sacramento, 10 November).
  • United Kingdom: colder air from 11 November, with snow showers briefly to low ground in northern Scotland and frost on 12–13 November (Met Office, 9 November).

The National Hurricane Center expects no tropical cyclone formation in the Atlantic, Caribbean, Gulf of Mexico or eastern Pacific in the next 7 days (outlooks issued 01:00 EST 11 November and 22:00 PST 10 November).

About this report

This weekly report summarises the world’s most significant extreme weather from 4 to 11 November 2026 for a general audience. Casualty and damage figures are early reports and may change. National weather services issue official warnings, and evacuation orders should be followed immediately.

Sources

Sources & Methodology
Weekly Global Weather Watch is compiled by Orbis Weather using information from official national and international meteorological agencies, including NOAA, the National Weather Service, National Hurricane Center, Weather Prediction Center, Climate Prediction Center, World Meteorological Organization and relevant national weather agencies worldwide.

Orbis Weather reviews these official observations, forecasts, warnings and outlooks to identify the most significant global weather patterns and hazards for the week ahead. Forecast conditions can change as new observations and model guidance become available.

About the Author

Paul Harrison — Founder & Publisher, Orbis Weather

Paul Harrison founded Orbis Weather in 2026 to make global weather and natural-hazard information easier to find, follow and understand. His coverage includes tropical cyclones, severe weather, extreme temperatures, earthquakes, volcanoes, wildfires, flooding and significant natural disasters worldwide.

View all articles by Paul Harrison → | Editorial Standards →

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