El Niño events can be extremely impactful to agriculture, livelihoods and local economies across areas like Indonesia, South America and Africa. The decision as to whether to declare an official El Niño may seem like semantics, but it can be life or death in the developing world. On Thursday they will announce their decision to the public. scientists charged with evaluating and forecasting El Niño will cast their votes. So when will we know if El Niño has formed? According to Barnston, a decision is coming soon. This type of atmospheric river event is commonly known as the Pineapple Express and can invigorate an already stormy weather pattern. If El Niño conditions continue to progress we may see a strong sub-tropical jet stream establish itself from the area near Hawaii, with moisture careening into the Southwestern U.S. is already experiencing El Niño-like impacts, with no official El Niño, what does this mean for the upcoming winter? That depends on future developments in the Tropical Pacific. Although many storms do escape off the Southeast coast, El Niño winters are known for the occasional blockbuster Nor'easter, when the active southern jet stream manages to merge with Arctic air plunging south from Canada.Ĭonsidering the U.S. JGcEnNS8nV- NWS Eastern Region December 10, 2018īut before the storm could continue up the East Coast, where it would have made for a paralyzing Nor'easter from Washington D.C. Also, here is how the seasonal snowfall totals look as of this morning. This does not include any additional snow that has fallen since 7 am. Updated snowfall analysis for the December 8-10, 2018 winter storm as of 7 am this morning. "Although the sea surface temperatures are clearly at El Niño levels, the atmosphere is just not yet participating much." In other words, right now the ocean criterion is met, but the atmosphere has yet to respond in the way it should. This heat disrupts normal weather steering patterns, which can have big consequences to global and regional weather.Įl Niño expert Tony Barnston from the International Research Institute (IRI) for Climate and Society at Columbia University says some El Niño criteria are still missing. When this happens vast amounts of heat is released into the atmosphere. The El Niño phenomenon is, by definition, a periodic warming of the waters in the equatorial central and eastern Pacific Ocean. Officially there is an " El Niño Watch," but an El Niño Alert may be issued any day, indicating the phenomena has officially begun. For months now we have been on the verge of an official El Niño, but so far the climate community has not pulled the El Niño trigger. Heavy rain and mudslides in California, flooding in Texas, and up to 2 feet of snow in North Carolina - all these recent weather events are symptoms of the infamous climate phenomena called El Niño. Southeast snow storm knocks out power to hundreds of thousands 03:14
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |