Storm Ciara

Storm Ciara
Early February 2020 North American storm complex
Satellite imagery of Ciara off the East Coast of the United States on 7 February
TypeExtratropical cyclone
European windstorm
Formed3 February 2020 (2020-02-03)
Dissipated16 February 2020 (2020-02-16)
Highest gust136 mph (219 km/h) at Cap Corse, Corsica, France
Lowest pressure943 mb (27.85 inHg)
Maximum snowfall
or ice accretion
Snow – 23.5 in (60 cm) at Warren, Vermont
Fatalities17 fatalities[a]
DamageAt least £1.6 billion (€1.9 billion)[1]
Power outages>1,185,000[1]
Areas affectedSouthern United States, Northeastern United States, United Kingdom, Ireland, Isle of Man, Northern Europe, Western Europe, Eastern Europe, Central Europe, Spain, Faroe Islands

Storm Ciara[b][c] was a powerful and long-lived extratropical cyclone that was the first of a pair of European windstorms to affect the United Kingdom and Ireland at peak intensity less than a week apart in early February 2020, followed by Storm Dennis a week later. Ciara caused widespread wind and flooding damage across Europe, and at least 13 fatalities.

The system emerged into the North Atlantic and underwent explosive cyclogenesis; the first severe weather warnings were issued for the United Kingdom and Ireland on 4 February well in advance of the storm's arrival. It was officially named Ciara by the Met Office the following day, becoming the twelfth named storm of the 2019–20 European windstorm season. Ciara subsequently made landfall in northern Scotland on 9 February and Norway the next day.

The precursor low named Winter Storm Kade by The Weather Channel brought heavy snowfall to the northern United States and eastern Canada, especially Newfoundland, New England and New York; further south in the Mid-Atlantic and Southeastern U.S., flooding and tornadoes were reported.[2]

The worst effects from Ciara were felt in Ireland and the United Kingdom, where the storm arrived over the weekend of 8–9 February, bringing high winds and heavy rainfall that caused severe damage, widespread flooding, and three fatalities in the latter country.[3][4] As Ciara moved across northern Europe with an unusually large wind field, eight further fatalities were recorded in a wide range of countries in mainland Europe, including as far away as Slovenia.

Meteorological history

Map plotting the storm's track and intensity, according to the Saffir–Simpson scale
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
circle Tropical cyclone
square Subtropical cyclone
triangle Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression