USA upplever just nu en mindre ”The Day After Tomorrow-kyla”. De lägsta temperaturerna på flera årtionden uppmäts i USA när landet nu drabbas av en arktisk cyklon. Igår var det 30 minusgrader i Minneapolis, i norra USA. Vart tog växthuseffekten vägen?
Artikeln uppdaterad kl 00:28, 7 jan 2014
”A mass of frigid air known as a polar vortex sent temperatures plunging across the Midwest Monday, as the Washington area prepared for thermometers to drop as much as 40 degrees.” / Washington Post
”The National Weather Service in the Twin Cities tweeted Sunday that forecasters for the first time were using the designation “particularly dangerous designation” (PDS) to denote a wind chill warning” … ”Wind chills in locales north of Minneapolis could approach 65 degrees below zero…”