Shel Winkley

Shel Winkley is not mentioned in either of the provided news articles. The articles focus on the record-breaking heat experienced in the continental United States during March. They highlight that March was the most abnormally hot month in 132 years of record-keeping, according to federal weather data. The articles also mention predictions of an intensifying El Niño, which is expected to further increase global temperatures in the coming year or so. Therefore, without any mention of Shel Winkley in the provided context, it's impossible to provide any information about their background, newsworthiness, recent events, or relevance.