June 6th we headed up North, stopping briefly to chat at a large chaser convergence near Fort Morgan. Waiting up in New Raymer, the clouds really weren't in a hurry to do much, though it still must've been the most interesting thing in the country since we kept running into the Dominator. As the clouds kept back building, a decent storm eventually developed over Parker around sunset.
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| Chaser convergence! |
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| Super low "scud bomb" in Parker |
There was a ton of amazing scud (low scraggly cloud) all over, there were several bunches slowly rotating and passing by nearly on the ground! We didn't see the short-lived tornado since we were on the other side of the rain, but the storm itself and lightning were interesting enough anyway.
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| Tornado was on the other side of this |
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| Low rotating clouds passing in front of us |
Driving back through Parker the hail drifts and flooding was impressive, and we even had a late-night severe-warned storm pass right over the house after we got back. There was also a surprise 1:30 am hailstorm that woke the whole neighborhood!
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| Mammatus clouds before our lightning show after dark |
The next day was a substantially better chase. On June 7 we started out waiting in Bennett, Colorado. Since we were there early we found a few geocaches to pass the time. Before anything in Colorado started, there was already a large storm and tornado up in southeast Wyoming. It was tempting to bail and run up there, but we hung tight to our target and eventually storms began to build right over us.
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| Watching storms build with a decked-out news truck |
We ended up on a promising storm near Deer Trail. However there was something very unusual about this storm: it was moving southwest instead of northeast! It's not often a supercell does that, but this storm held its direction as it continued to intensify. Driving closer to it, we discovered this storm packed a ton of large hail. Under a large downpour of 1 to 1-1/2 inch hail (don't worry, Verne's car is Rhino-lined) we discovered a few baseball-sized chunks and got a crack in the windshield. We were probably just on the edge of the large hail, and saw many other chasers with much worse windshield damage.
Once we got out ahead of the storm again we stopped to photograph it. After just a few minutes the hail caught up with us suddenly and started dropping more 1+ inch hail. We bolted back to the car with no major injuries.
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| In front of the supercell - before hail chased us back to the car! |
The rotation on this storm had become extraordinarily intense, and several small funnel clouds had already tried but failed to form a tornado. Apparently south moving storms tend to have a very hard time forming tornadoes, since they're moving against some of the important winds and elements they need.
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| Approaching Ramah and Calhan |
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| The storm |
The most intense area of rotation became hidden in rain, so we could only assume if there was a tornado, it was hail and rain-wrapped. The damage later indicated that there was a large EF1 tornado in there, as it moved farm equipment and destroyed several small buildings.
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| A rain-wrapped tornado was somewhere back there |
With no visibility back there, we instead turned our focus to a different area of rotation on the storm. Sure enough, a white funnel began to descend. We could see it briefly reach the ground and lift again as we were racing to get close to it. Once we stopped to get out of the car and take photos, Eric noticed something unusual: the funnel was rotating clockwise. In the northern hemisphere, tornadoes rotate counterclockwise, and the opposite only tends to occur in the southern hemisphere. That made this tornado "anti-cyclonic," a very rare occurrence and one that even Verne had never seen!
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| Anti-cyclonic tornado! |
Eric's video of the tornado:
NOAA report on the storm: http://www.crh.noaa.gov/news/display_cmsstory.php?wfo=pub&storyid=83984&source=0 (my photo is featured at the end)
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| Heading back |
We got back in the car and moved closer as it continued to lift. Unfortunately it didn't drop again, and the sun was already on the horizon. Heading west to the freeway, we drove through another small storm dropping 1 inch hail, while being treated to an amazing display of clouds at sunset.
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| One more hail-dropping storm on our way home |
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| Sunset in Colorado Springs |