Overall Green alert Flood
in United States

Event summary

This flood can have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

GDACS ID FL 1101852
Death: 6
Displaced: 9460
Countries: United States
From - To 08 Feb - 15 Mar

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Meteo assessment
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USA - Severe weather, update (ECHO 07 Mar 2023)Tue, 07 Mar 2023 11:45

  • Heavy rainfall, strong winds, and tornadoes continued to affect southern USA (in particular Alabama, Tennessee, Mississippi, Arkansas, Kentucky, Louisiana and Texas) over the past few days, causing floods and a number of severe weather-related incidents (in particular due to the strong wind) that have resulted in casualties and damage. In addition, heavy snowfall affected California over the last few day, leading to casualties and damage.
  • Media report, as of 7 March, 12 fatalities across southern States: five in Kentucky, three in Alabama, two in Tennessee, one Mississippi and one more Arkansas, all of these particularly due to strong wind-related incidents.
  • Over the next 24 hours, more heavy rainfall and strong wind is still forecast over the already affected States across southern USA.
USA - Severe weather, update (ECHO 15 Mar 2023)Wed, 15 Mar 2023 10:22

  • Heavy rainfall, heavy snowfall, strong winds and thunderstorms continued to affect northern and central California and the neghbouring western Nevada over the last week, causing floods, flash floods, snowmelts, rivers overflow and a number of strong wind-related incidents that have resulted in casualties and damage. The worst affected counties in California are Monterey, Merced and Tulare.
  • The Federal Emergency Management Agency (FEMA) reports, as of 14 March, two fatalities across the Monterey County (central California), 551 currently evacuated people in 26 shelters and approximately 16,000 mandatory evacuation orders in ten counties throughout northern and central California. In addition, several roads have been closed across 24 counties.
  • The declaration of state of emergency for 21 counties in California and for 14 counties in Nevada is still in force.
  • Over the next 48 hours, more heavy rainfall and heavy snowfall is forecast over central and northern California. Heavy rainfall is also forecast over southern California. Moderate rainfall is forecast over most of Nevada. NOAA has issued winter storm warning over several counties across northern and central California.
USA - Severe weather, update (ECHO 16 Mar 2023)Thu, 16 Mar 2023 11:19

  • Heavy rainfall, heavy snowfall, strong winds and thunderstorms continued to affect central and northern California (particularly in mountainous communities across the north-east) and the neighbouring western Nevada over the last 8-days, causing floods, mudflows and snowmelts that have resulted in an increased number of casualties.
  • The Federal Emergency Management Agency (FEMA) reports, as of 15 March, three fatalities across Monterey County (central California), 490 currently evacuated people in 30 shelters and around 28,000 mandatory evacuation orders throughout northern and central California. In addition, several roads have been closed due to landslides and flooding.
  • The declaration of the state of emergency for 21 counties (out of 58) in California and for 14 counties in Nevada is still in force.
  • Over the next 48 hours, moderate rainfall and snowfall are forecast over central and northern California. NOAA has issued flood warnings over some counties across northern California and western Nevada.
USA - Severe weather, update (ECHO 17 Mar 2023)Fri, 17 Mar 2023 11:31

  • Heavy rainfall, heavy snowfall, strong winds and thunderstorms have been affecting central and northern California (in particular across mountainous communities) and the neghbouring western Nevada over the last days, causing floods, some strong wind-related incidents and triggering landslides that have resulted in casualties and damage.
  • The Federal Emergency Management Agency (FEMA) reports, as of 16 March, five confirmed fatalities across central California, 616 currently evacuated people in 32 shelters and approximately 27,000 mandatory evacuation orders throughout northern and central California. FEMA also reports multiple road closures due to landslides and floods.
  • In addition, heavy snowfall, strong winds and very low temperature (due to the so-termed "Nor'easter" storm) have been affecting the North East region (in particular Massachusetts, New York and New Hampshire) since 14 March. Media reports, as of 17 March, around 590,000 power outages and approximately 800 cancelled flights throughout the affected area.
  • Over the next 48 hours, dryer conditions are forecast over California and Nevada, while heavy rainfall, heavy snowfall and strong winds are forecast over the North East region.
Nevada, USA, March 2023On 10 March 2023, Nevada Governor Joe Lombardo declared a state of emergency due to ongoing severe weather conditions in the state. The declaration was further expanded and by 16 March included: Carson City, Churchill County, Douglas County, Esmeralda County, Elko County, Eureka County, Humboldt County, Lincoln County, Lyon County, Mineral County, Nye County, Storey County, Washoe County, Walker River Paiute Tribe, White Pine County, Yerington Paiute Tribe, and the Yomba Shoshone Tribe. The governor said severe weather has brought heavy rainfall, flooding, rockslides, avalanches, and infrastructure damage to northern Nevada. As severe weather conditions continue, further flooding and infrastructure damage are anticipated throughout the region. Officials in Lincoln County issued a voluntary evacuation order for residents in the low-lying areas of Panaca on 16 March. Shelter sites were set up in local churches and schools. An evacuation warning was issued for Eureka in Eureka County.Fri 17 Mar 2023FloodList provided by Copernicus GLOFAS
Detailed event map. European Union, 2024. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Latest media headlines

Articles: 220 | About casualties: 15 | Last hour: 0

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Nigeria: Climate Change in Urban Nigeria - 4 Factors That Affect How R ... 2023-03-01T01:02+0100.

is a long-term shift in temperatures and weather patterns. It's caused by solar cycle variations and human activities such as burning fossil fuels: coal, oil and gas. The impact of climate change is growing on the African continent. It's hi
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Entenmann’s is bringing back its ‘iconic’ packaging2023-02-28T18:06+0100.

(CNN) — Baked goods company Entenmann’s is bringing back its cellophane window packaging after a two-year absence caused by flood damage at the factory that produces the iconic white and blue cartons. The cellophane window has been a recogn
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Entenmann's is bringing back its see-through packaging2023-02-28T16:51+0100.

Baked goods company Entenmann's is bringing back its cellophane window packaging after a two-year absence caused by flood damage at the factory that produces the iconic white and blue cartons. The cellophane window has been a recognizable
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Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (36), (2), NASA (7), WMO (1), INFORM (2),