Monday, March 9, 2015

March storms - El Nino update

courtesy Gary Schmitt - June 2014
If you've lived in Kansas for a long time, you know this can be a crazy month with tornadoes on one side of the state and a blizzard on the other. March storms can be really ferocious, but so far, things are looking quiet heading through the middle of the month.

One storm is passing us by to the south today and tomorrow. The storm track has been fairly active south of Kansas this winter. The Dallas/Fort Worth areas has had several episodes of wintry weather that caused flight delays and cancellations. This latest round of moisture is all liquid. Look at the forecast for rainfall across southeast Oklahoma, Texas, and Arkansas. Sure would be nice to latch on to some of that moisture, but we will have to keep waiting.

We did get an El Nino update last week. We continue to see weak El Nino conditions in the Pacific, and although its influence on the overall weather pattern may be minimal, it's still a contributing factor as we head through spring and early summer. The water temperatures are about +.5(degree Celsius) warmer than normal (and it's been that way for several months in a row)

Does a weak El Nino contribute to more severe thunderstorms in the spring/early summer? The last weak El Nino we had was back in 2006-07. There were 91 tornadoes in 2006 and 140 in 2007 (so near to above normal on the tornado count) We also had a weak El Nino in 2004-05, and in those years, we had over 100 tornadoes recorded in each respective year. But every situation is a little different, and that's why we can't draw any conclusions just yet.

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