News
10/04/2023, 11:05 am EDT
10/04/2023, 11:05 am EDT

Increased Solar Activity/Decrease in Sudden Stratospheric Warming Events

A mild El Nino winter is ahead for most of the northern hemisphere. Cold air bursts can still happen, although one way to trigger arctic outbreaks (sudden stratospheric warming) is less likely to occur due to the expectation of increased solar wind in the upper atmosphere as related to increased solar activity.
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09/17/2023, 11:02 am EDT
09/17/2023, 11:02 am EDT

Correlating Northeast Pacific SSTA and Europe Winter Temperature

When was the last cold winter season in Europe? Sprawling meteorological winter (DEC/JAN/FEB) cold was last observed during winter 2012-13. Since that time, 8 of 10 winter seasons have been warmer than normal across Europe. During the past 30 years, 7 widespread cold winter seasons have been observed clustering in the mid-to-late 1990’s and in the 2008-2013 period.
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09/13/2023, 8:17 am EDT
09/13/2023, 8:17 am EDT

Understanding The Difference Between Multivariate ENSO Index and Nino34 SSTA Index

The Multivariate ENSO Index (MEI.v2) and the Niño 3.4 Index value are two (of many) indices used to monitor the behavior and evolution of the El Niño Southern Oscillation (ENSO).  However, these two indices cannot be used as an apples-to-apples comparison. Both are distinctly different from each other in spatial resolution, temporal resolution and ocean-atmospheric variables considered in the computation of the indices.
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