May 2024 - Page 4 of 10 - Climate Impact Company

News

05/17/2024, 5:57 am EDT

Explaining the Complex South America and Europe/Russia Weather Pattern During May 2024

A combination of new and established marine heat waves were significant contributors to an upper air pattern responsible for delivering historic flooding in far southeastern Brazil and equally impressive cold in Western Russia during the past 2-3 weeks. An emerging and progressive convection phase of the Madden Julian oscillation should ease this pattern during late May.

05/16/2024, 5:40 am EDT

Lighter Than Normal Windspeeds Forecast for U.S. during June/July 2024

High pressure is forecast to extend across much of the West U.S. during JUN/JUL 2024 with a weak upper trough in the East. The combination of these two pressure centers will leave most of the U.S. with below normal wind speeds for the first half of summer 2024. There are a few exceptions such as Northern California, Southern Texas, and the Carolinas where wind speeds are greater than normal.

05/16/2024, 5:32 am EDT

AI Defeats ECM ENS in 11-15-day Outlook

Given the distinct cool West and warm East U.S. temperature signature of meteorological spring 2024 surprising was the sudden amplified upper trough in the East U.S. via an 11-15-day forecast by the AI 4Cast.Net V2 outlook issued on April 28th. The AI-generated forecast easily defeated operational models.

05/15/2024, 9:20 am EDT

The 2024 Severe Weather Season So Far; Second-most Tornadoes

As of mid-May, the U.S. severe weather season has produced the second-most number of tornadoes so far, and second only to 2011. The upper air pattern during MAR/APR/MAY 2024 (so far) has featured a persistent upper trough over the Southwest U.S. forcing the subtropical jet (STJ) stream to arc northeastward across Mexico to the Southeast U.S. inspiring low-level jet (LLJ) streams forcing buoyant moisture northward from the warmer than normal Gulf of Mexico. The intersection of the upper-level high wind band over a lower atmosphere channel of warm moist air is causal to severe weather.