Christopher Rozoff's avatar

Christopher Rozoff

@agitatedcu.bsky.social

125 followers 155 following 205 posts

Cannot jump high, highly motivated by clouds, landspout enthusiast, can sleep for 4 hours straight and sometimes more, fan of Canada. Location: Erie, CO Work Place: NCAR, RAL in Boulder, CO


Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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This popped up in my FB memories today. Overall, this is a case-in-point example of compound and cascading hazards, which are becoming a central focus of the geosciences as we advance in our understanding of individual hazards. Hurricanes reign supreme in this realm.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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Canada is the source of so many incredible musicians.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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She’s from Richmond, VA. But according to the Big Lebowski, she might be German.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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My first 15 years of life. Hangover Park/Schaumberg. You can drive for an hour from point A to B, and pass the exact same Jewel Osco and Walgreens 30-80 times. It's why we are so good at trigonometry; sinusoidal functions were inculcated into us at a young age. But at least we had Portillos.

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Reposted by Christopher Rozoff

Artologica 's avatar Artologica @artologica.net
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UK elections always bring good dogs

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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Jan 6th insurrectionist: we’re gonna take over the US government. The judiciary branch: Hold Kavanaugh’s beer.

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Reposted by Christopher Rozoff

Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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Large groups of people who each independently come to a similar conclusion (Biden is unfit) even before the media piles on makes it very difficult for the alternative reality of strategic circling of the wagons. From the standpoint of low predictability, was there a chance for a different outcome?

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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I am disheartened that many, if not all, EDU and GOV accounts remain on X and not here where many of the scientists hang out. It's good to not be in a bubble and to engage all audiences, but the world on X seems so toxic at this point that it is arguably an even worse type of bubble.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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Exactly how I expected things to go down.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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Let me know how that Stalin book is. I read Sebag Montefiore's large book on him as well, which was an interesting read, though not as good as his outstanding book on the Rominovs.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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They are quite hard to find so it’s always a thrill to find wood lilies in Colorado.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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Incredible! I'm glad I was on a Yellowstone family vacation because missing that by staying home in Erie would have hurt a lot more.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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I particularly dislike this doom scrolling era.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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I have had this exact same complaint when being forced to visit Miami for work reasons.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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Storm chasers on their way to their target of annexing the Texas Panhandle.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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I snuck "ebullient", "insuperable", and a few others I cannot remember into a paper once and a reviewer complained the writing didn't sound scientific. Maybe the comment had nothing to do with the vocab words, however, and I should be working at a McDonalds.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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One of the better shots I've seen from this remarkable season!

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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Earlier south of Brush, CO.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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This fear is probably pretty common. I have documented cases from chasing where distinctly different tornadoes were combined into a single tornado in the official record.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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People are terrified of tornadoes, hurricanes, and lightning. But they are rarely too concerned about microscopic particles. bsky.app/profile/agit...

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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It would be nice if they can strap anemometers at regular intervals up the building to determine the vertical structure of winds in strong tornadoes (assuming the instruments can survive long enough to get good data).

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Reposted by Christopher Rozoff

Christopher Madan's avatar Christopher Madan @engra.me
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"A random half of panelists were shown a CV and only a one-paragraph summary of the proposed research, while the other half were shown a CV and a full proposal. We find that withholding proposal texts from panelists did not detectibly impact their proposal rankings"
link.springer.com/article/10.1...

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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The bighorn mountains in WY (or similar) are always a pretty distraction during periods of quiescent weather. Meanwhile, thanks for protecting the plains. ;-)

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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Roger Wakimoto has so many great diagrams! I think that being a student of Ted Fujita rubbed off on him in that regard and others. Lee and Wilhelmson also have some nice papers on the topic. Here's the 1989 paper I referenced above. journals.ametsoc.org/view/journal...

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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A boundary from Bennett-Ft Morgan has had storms erupt along it, along with at least one landspout. Compare here to Wakimoto's classic paper, along with the radar showing a convective vortex structure in a wavy rollup along the once more straight-lined boundary.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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Today is the 6-year anniversary of a fantastics spoutbreak in NE CO.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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Southern KS had potential, but left movers kept crashing into our cell.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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The NAM 3k is less pessimistic on the north play, FWIW. Think it largely hinges on how thick that jet/wave cloud cirrus shield gets over OK?

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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Does it significantly come down to whether the cirrus deck forms as thickly as HRRR predicts?

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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That would logistically be ok with me. It’s interesting the HRRR indicates NM/ jet cirrus is what suppresses convection in OK (I think) allowing time for TX left movers to stabilize OK. If the cirrus doesn’t materialize like HRRR shows, then it looks concerning for OK. Just my speculation.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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I only have a small sample size to work with, including my current tortie cat, but there seems to be a pattern here. I also serve a weird, semi-feral tortie. Wouldn't ever trade her.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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I luckily found myself in good position near Akron as the easternmost storm peaked in structure prior to sunset. It was beautiful and electrically intense. I was sad to learn of the significant and ‘biblical’ hail damage in Yuma and nearby towns.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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Some semblance of a base forming southwest of Strasberg.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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The convergence zone in SW DEN continues but the updrafts struggle against shear and entrainment thus far. It appears we may be closer to initiation nonetheless.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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I am very sad to hear this. What an irreplaceable legacy you all generated indeed. As a silver lining, it will be nice to have you in our area. While I know you know the area a bit, let me know if you have any questions (eg, current housing market/commute times, etc). Happy to help.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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I think Iowa is closer as well, and the tor percentage should be substantially higher there on Tuesday 😇 (You headed out tomorrow afternoon for the Last Chance-Wray'ish HRRR/NAM mothership?)

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Reposted by Christopher Rozoff

Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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Oppositely side-by-side rotating updrafts on a supercell split in North Central KS.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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I recently (finally) read the "1619 Project" book. I appreciate more than I did that long-lasting systematic oppression directed against racial minorities in the US over the centuries has effectively been about the movement of Black civil rights overall, with bad outcomes for white allies as well.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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Yeah, the shortwave just arrives a bit too late for a good daytime show.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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Western meadowlarks and frogs fill the air with song. The flowers are showing off. The type of lovely morning that soothes and energizes a weary mind.

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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No idea, but yes, it was the beginning of a long stretch of severe weather due to a favorable longwave pattern in the flow that persisted for some time (with a strong upper jet pushing into the central/southern Plains).

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Christopher Rozoff's avatar Christopher Rozoff @agitatedcu.bsky.social
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Well said. I came into using it being pretty versed in python, but it's helped speed up my ability to catch up on all the data frame, panda, and other things the kids are into that I was a little weak on. Verification is always important. I've seen it botch simple things in spectacular fashion.

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