Core Insights - The recent winter storm "Fern" is expected to have a significant negative impact on the U.S. GDP growth for the first quarter, with estimates suggesting a decline of 0.5% to 1.5% [1][4] - Historical data from the winter storm "Viola" indicates that extreme weather events can lead to immediate drops in consumer spending, which is reflected in current economic data [2][3] Group 1: Economic Impact of Winter Storms - The analysis by Bank of America indicates that the impact of "Fern" on consumer spending is similar to that of "Viola," which caused a 3.7% year-over-year decline in credit card spending during the week ending February 19, 2021, compared to a prior trend of 6% growth [2] - The estimated loss in consumer spending due to "Viola" was at least 0.6% over a month, contributing to a 0.5% drag on GDP growth in the first quarter of 2021 [2] - The report suggests that the actual economic losses from "Viola" could be as high as 1.5%, indicating that severe winter storms can lead to stagnation in economic growth if the consensus forecast for GDP growth is between 1.5% and 2% [3] Group 2: Comparison of Storms "Fern" and "Viola" - While "Fern" and "Viola" differ in their specific impacts, both storms are expected to have similar economic consequences, with "Fern" affecting the wealthier Northeast region and "Viola" impacting the southern states [4] - The final estimate for the GDP growth drag from "Fern" is projected to be between 0.5% and 1.5%, with the potential for a strong rebound in the second quarter, as the upward potential for GDP growth in Q2 is expected to match the downward pressure in Q1 [4]