Tag: iowa

08 Oct

June 20, 2019 – Iowa Puts on a Show

June 20th was the start of a 3-day mini chase vacation late in the season. The forecasts were looking like a day in Northeast Nebraska/Western Iowa followed by a Colorado chase then a third day yet to be determined. The first day featured two possible targets, one in southeast Montana and another along the Nebraska/Iowa border. Since the 20th was a partial work day Montana was out of the question, so Northeastern Nebraska it was!

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22 Jan

November 11, 2015 – Southern Iowa

November 11th presented an opportunity for the first chase in a while. A powerful system with a 120kt 500mb jet was moving into the Central Plains atop a deepening surface low that was going to pull 60 degree dewpoints into the target area. Coupled with a strong low level jet in the 60-70kt area provided more than adequate shear atop marginal to modest instability through southern Iowa and Northern Missouri.Read more

22 Jan

June 20, 2015 – Southeast Iowa

June 20th through the 22nd looked like a decent opportunity for a three day chase. The 20th featured a belt of westerlies across the northern portion of the CONUS while a low with attendant cold front in the Dakotas was progged to drift to the southeast into the midwest. East of the front, the warm sector looked to be characterized by a moderately unstable airmass with MLCAPE approaching the 4,000 J/Kg area as temperatures were expected to be in the low 80s with low 70 dewpoints.Read more