Chris Kridler's Sky Diary: storm chasing, photography and rainy-day tales

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storm gallery: May 13, 2009

May 13, 2009: I started the day in Chickasha, Oklahoma, and at first targeted northern Oklahoma. I talked the day over with Jim Leonard (thanks, Jim!), who suggested Kansas had better potential for tornadoes - though the veered surface winds made the profile less than ideal, as did the likely formation of a line of storms on the cold front. I thought Kansas would fire earlier, too, and the RUC model moved the convective potential bullseye into southeast Kansas, so I headed toward Independence, Kansas. Then the first "bomb" went off on the front northwest of me, so I tried to get in position as the whole line lit up. Share

Click on the thumbnails to see a larger image, or view these photos as a gallery. From the gallery pages, click the "up" arrow to return to this index.

01-051309 02-051309 03-051309
I went into eastern Kansas and got close to the line as storms fired off the cold front. Cloud features under the line of storms made me pay attention. I decided to let the squall line pass me at Iola, in hopes of sampling hail from under a shelter.
04-051309 05-051309 06-051309
But the rule is - when I have shelter, the hail doesn't come. Just pea-size stones fell as the squall line passed. Instead of watching this pretty thing, I probably should have been driving east and getting ahead of the storm... ... because a little east of Iola, this part of the storm (or the more intense part north of my location) developed a couplet and produced at least one tornado. It was warned for a while.
07-051309 08-051309  
There was some nice green color in the line, probably from the hail to my north. So I came away with very little today. Here's a cute little updraft, the dregs of the line, at Humboldt.

2009 reports and photos

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