I read this article. Thanks for that link. I think it odd that they are focusing on drought conditions due to the La Nina conditions we have experienced when we are ramping up now for what has been described as a super El Nino. For much of the areas affected by the drought conditions, there will be an overabundance of precipitation by late summer into next spring.
The article mentions the potential for a super El Nino at the very end but doesn't discuss the effect it could have on content in the map should it go down as modeled. I suspect that a lot of yellows and red will disappear or shift to the north.
I know that the last super El Nino in 2015-2016 followed similar drought conditions due to La Nina such that rainfall at my property, which is normally ~36" (91.4 cm) annually (that's a 20 year average taken here on my property) was below average for the period 2010-2014 by 3-5" (7.62-12.7 cm) and up to 10" (25.4 cm) in 2014. Once La Nina faded it began to rain in August and rained out through December and we ended the year with 68" (172.7 cm) rainfall. In the decades that I have lived here and tracked rainfall that is the wettest year by more than 14" (35.6 cm).
We are currently behind the curve here but I have faith in their predictions since it also comes with a promise of ridiculously hot temperatures to make the last months of the year humid well past normal. It has been cooler than normal so far and drier than normal (La Nina hanging on by a thread). The script will flip and N Texas will again be a miserable place to be if you work outside.
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It's worth keeping in mind the danger of such a transition though.
If you go from a drought to a lot of water it generally builds up pretty badly as dried out dirt doesn't absorb water very well.
If the prediction holds true it may become a year with a lot of water damage/flooding in these regions.
Let's hope for the best though.