Trey Greenwood @StormChaseAZ Twitter profile

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Trey Greenwood

@StormChaseAZ

1 year

Insanity now Norman OK.

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Trey Greenwood

@StormChaseAZ

4 years

GoPro time lapse of the supercell that displayed impressive structure and may have produced a brief tornado near Arnold, NE, today. #madwx #newx Video link:

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Trey Greenwood

@StormChaseAZ

3 years

Video grab of the Clinton, OK, tornado from this evening. #madwx #okwx

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Trey Greenwood

@StormChaseAZ

6 months

4:30pm - just took a bunch of half dollar size hail in the hook of the tornado-warned supercell in Ferriday, LA. #lawx @NWSJacksonMS

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Trey Greenwood

@StormChaseAZ

5 years

Unreal west of Hollis ok

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Trey Greenwood

@StormChaseAZ

2 years

4:03pm likely tornado in progress Tomah WI @NWSLaCrosse

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Trey Greenwood

@StormChaseAZ

3 years

Rain-wrapped tornado north of Benjamin, TX, earlier this afternoon. Note the laminar left edge. #txwx #madwx

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Trey Greenwood

@StormChaseAZ

1 year

Emotional evening after my apartment almost took a direct hit from the strong tornado that struck portions of east Norman tonight. Passed just under a mile to the north. Unfortunately, many were not as lucky; significant damage occurred along the track. #okwx

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Trey Greenwood

@StormChaseAZ

2 years

LINK: Incredible day. Intercepted a powerful, long-track wedge tornado twice southwest of Des Moines, IA, near the towns of Winterset and Norwalk. Unfortunately, the tornado produced significant damage at these locations. #iawx #madwx

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Trey Greenwood

@StormChaseAZ

2 years

A favorite from last year: iPhone shot of a stunning supercell and mammatus near Arnold, NE, on June 8, 2020. #madwx #newx

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Trey Greenwood

@StormChaseAZ

4 years

A shard of glass embedded in the wall of a building by Hurricane #Laura 's fierce winds in downtown Lake Charles, LA. #madwx

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Trey Greenwood

@StormChaseAZ

5 years

One more from yesterday. iPhone pano of the Denver City, TX supercell. #madwx #nmwx #txwx

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Trey Greenwood

@StormChaseAZ

2 years

4:23pm mdt impressive structure on supercell near Lakeside, NE. #madwx #newx

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Trey Greenwood

@StormChaseAZ

1 year

18z Jackson MS observed sounding is about as good as it gets. Dangerous tornado outbreak likely about to be underway. #lawx #mswx

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Trey Greenwood

@StormChaseAZ

8 months

4:00pm - Absolutely massive hail (>3”) in Henryetta a few minutes ago @NWStulsa

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Trey Greenwood

@StormChaseAZ

6 years

One more video still, #twin #tornadoes N of Flagler CO today. #madwx #cowx

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Trey Greenwood

@StormChaseAZ

8 months

Caught a beefy dust devil along I-40 near El Reno, OK, just now, even had some suction vortices.

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Trey Greenwood

@StormChaseAZ

3 years

VIDEO: Intercepted this large, wedge tornado near Morvin, AL, today. Worked really hard for this one after bouncing from storm to storm that just couldn't quite get it done. #madwx #alwx

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Trey Greenwood

@StormChaseAZ

9 months

Indio, CA completely inundated right now. #cawx

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Trey Greenwood

@StormChaseAZ

1 year

322pm cst - beastly looking severe storm near Pilot Point TX. Very slow rotation noted. #txwx

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Trey Greenwood

@StormChaseAZ

11 months

5:40pm cdt - HP supercell southwest of Palestine TX. #txwx

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Trey Greenwood

@StormChaseAZ

2 years

My in-depth discussion of the Quad-State Tornadic Supercell from December 10-11 is up on YouTube: #madwx #arwx #mowx #tnwx #kywx

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Trey Greenwood

@StormChaseAZ

1 year

Significant damage in neighborhood off of Imhoff and 24th Ave SE in east Norman. #okwx

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Trey Greenwood

@StormChaseAZ

6 months

Can’t say I’ve had many Southeast chases that have started like this…currently in Ruston, LA awaiting storm intensification w/ almost pure blue skies. Low-level mass response is underway, as southerly winds are increasing & we’ve moistened considerably over the last half hr.

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Trey Greenwood

@StormChaseAZ

1 year

What a day...documented some epic storm structure and at least 5 tornadoes, including this large and long-lived one near Etowah, OK. Much more to come soon. #okwx

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Trey Greenwood

@StormChaseAZ

11 days

Amazing post-storm mammatus in Wichita, KS. #kswx

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Trey Greenwood

@StormChaseAZ

1 year

Almost got sniped by a positive CG lightning bolt while watching the second Little Rock supercell organize yesterday. Couldn't have hit but a few yards across the road from us; note the tree debris raining down after the strike. Volume up!

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Trey Greenwood

@StormChaseAZ

4 years

Some of my raw GoPro footage of the massive Sulphur, OK, tornado on this day four years ago. #okwx #madwx Video:

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Trey Greenwood

@StormChaseAZ

5 years

Supercell entering Starkville MS about five min ago #MadWX #mswx

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Trey Greenwood

@StormChaseAZ

3 years

A juicy ribeye after documenting an incredible tornado near Selden, KS, today. Sadly, the town took a direct hit. Scientifically, however, the footage and RaXPol data we captured will be extremely valuable. Footage will hopefully be up soon. #madwx #raxpol #kswx

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Trey Greenwood

@StormChaseAZ

8 months

Structure got a bit better on the Beggs, OK, supercell. #okwx

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Trey Greenwood

@StormChaseAZ

2 years

LINK: In-depth meteorological discussion of the Super Outbreak of April 27, 2011, including why this event was such a prolific tornado producer and a comparison between it and the previous standard for tornado outbreaks, the April 3-4, 1974 event.

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Trey Greenwood

@StormChaseAZ

1 year

1:43pm cdt - tornado warned supercell near Hamilton TX. #txwx

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Trey Greenwood

@StormChaseAZ

1 year

LINK: In-depth discussion of the 5-20-19 OK/TX High Risk. Forecast to be a sig tornado outbreak, but initial storms lined out while warm sector supercells struggled to materialize. I'll dive into factors that inhibited the event from reaching its ceiling

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Trey Greenwood

@StormChaseAZ

2 years

8:12pm just stunning W of Rush Center KS. #madwx #kswx

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Trey Greenwood

@StormChaseAZ

2 years

4:52pm mdt east of Belle Fourche #sdwx #madwx @NWSRapidCity

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Trey Greenwood

@StormChaseAZ

2 years

Beautiful updraft over Deadwood SD. #madwx #sdwx

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Trey Greenwood

@StormChaseAZ

11 months

Beautiful day at Devil’s Tower, WY.

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Trey Greenwood

@StormChaseAZ

2 years

HP beast now over Belle Fourche SD #sdwx #madwx

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Trey Greenwood

@StormChaseAZ

4 years

iPhone pano of the supercell near Ulysses, KS, on May 21. #madwx #kswx

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Trey Greenwood

@StormChaseAZ

11 months

3:11pm large, low rotating wall cloud over Denver. @NWSBoulder #cowx

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Trey Greenwood

@StormChaseAZ

2 years

Interesting E NE/IA setup tmrw. Classic cold-core event w/ strong sfc low, cold air aloft. Modest low-level shear, but steep low-level lapse rates/instability will efficiently stretch any low-level spin into vertical. Very reminiscent of 4-22-20 Springer, OK tornado event. #iawx

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Trey Greenwood

@StormChaseAZ

5 years

Beautiful sunset mammatus near Seymour, TX just now. #madwx #txwx

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Trey Greenwood

@StormChaseAZ

8 months

Yesterday's tornado-warned supercell near Commerce, TX, produced some epic lightning; here's a close CG striking right in front of the developing wall cloud. #txwx

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Trey Greenwood

@StormChaseAZ

1 year

Tornado Little Rock AR now. 2:39pm

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Trey Greenwood

@StormChaseAZ

1 year

LINK: A year ago today, we documented this beastly EF4 tornado near Winterset, IA. This storm quickly went from an outflow-dominant hailer to a long-track tornado producer extremely quickly. #iawx

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Trey Greenwood

@StormChaseAZ

2 years

Some more shots from yesterday's destructive, long-track tornado from Winterset to Norwalk, IA. Saddened to hear about the 7 confirmed fatalities from this tornado and the tornadic storms to the south. Link to the quick edit of my footage: #iawx #madwx

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Trey Greenwood

@StormChaseAZ

11 months

Baseballs northwest of Lisco, NE. #newx

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Trey Greenwood

@StormChaseAZ

8 months

6:59pm - beautifully structured supercell near Beggs, OK. @NWStulsa

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Trey Greenwood

@StormChaseAZ

1 year

LINK: In-depth meteorological discussion of the Joplin, MO, EF-5 tornado of May 22, 2011, including the environmental/behavioral features that contributed to this storm's volatility and some analogs with very similar background environments.

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Trey Greenwood

@StormChaseAZ

9 months

Incredible structure on the storm just north of Three Points, AZ, right now. #azwx

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Trey Greenwood

@StormChaseAZ

2 years

Some pretty epic structure east of Wilson KS a bit ago. #madwx #kswx

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Trey Greenwood

@StormChaseAZ

2 years

4:38pm mdt - impressive structure continues west of Hyannis, NE. #madwx #newx

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Trey Greenwood

@StormChaseAZ

1 year

Documented the tornado that went through the northeastern side of Little Rock, AR, today at close range. Video to come soon. #arwx

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Trey Greenwood

@StormChaseAZ

2 years

LINK: Full footage of the massive, long-track EF4 tornado that tore a 70-mile-long path through southwest Iowa. #madwx #iawx

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Trey Greenwood

@StormChaseAZ

2 years

LINK: Getting your feet wet in forecasting? Need a skew-T/hodograph refresher? Kicking off a video series today that will deep dive into how to interpret/use skew-Ts/hodographs properly. First video, which discusses skew-T components, up at above link.

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Trey Greenwood

@StormChaseAZ

2 years

Large wedge tornado now just crossed highway 21 east of Wyville WI @NWSLaCrosse

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Trey Greenwood

@StormChaseAZ

2 years

LINK: In-depth discussion on how to properly diagnose convective mode in severe weather situations.

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Trey Greenwood

@StormChaseAZ

3 years

VIDEO: Footage from yesterday's cyclic supercell near Quanah/Vernon, TX. Documented at least 5 photogenic tornadoes (perhaps more). Now on to processing what should be an excellent RaXPol dataset we collected. #madwx #txwx

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Trey Greenwood

@StormChaseAZ

6 years

Huge haboob with pancakes above near Dateland, AZ on July 9, 2018. #madwx

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Trey Greenwood

@StormChaseAZ

4 years

A wider view of the beautiful supercell near Arnold, NE, back on June 8. This shot highlights the storm's incredible mammatus display, which enhanced its already-impressive structure. #madwx #newx

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Trey Greenwood

@StormChaseAZ

5 years

6:07pm cdt - Beggs, OK supercell on its last legs but showing off some nice structure #madwx #okwx

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Trey Greenwood

@StormChaseAZ

2 years

LINK: Meteorological breakdown of the significant tornado outbreak that occurred across parts of SE Oklahoma, W Arkansas, and NE Texas on Friday. #txwx #okwx #arwx

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Trey Greenwood

@StormChaseAZ

6 years

Video still; more to come later, incredible day. Multiple close range intercepts north of Flagler CO #madwx

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Trey Greenwood

@StormChaseAZ

1 year

Update on the beautiful supercell near Morse TX. #txwx

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Trey Greenwood

@StormChaseAZ

4 years

Raw footage from my roof-mounted GoPro yesterday as the massive hail core rolled us near Quanah, TX. Listen with headphones and crank the volume up:

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Trey Greenwood

@StormChaseAZ

2 years

12z Corpus Christi sounding is quite concerning…loaded gun with very deep moist layer, EML, and a fire hose of warm/moist advection ongoing. Wind shear profiles already supportive of supercells. #madwx #txwx

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Trey Greenwood

@StormChaseAZ

2 years

Tornado we documented just east of Wyeville, WI a bit ago. #madwx #wiwx

Max Olson

@MesoMax919

2 years

Large tornado as it crossed east of Wyeville, WI about 30 min ago. @NWSLaCrosse

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Trey Greenwood

@StormChaseAZ

3 years

Incredible LP supercell, formerly tornadic, at sunset south of Hart, TX. This image was not edited. #madwx #txwx

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Trey Greenwood

@StormChaseAZ

1 year

LINK: Full footage from an epic chase on Wed across central Oklahoma. Documented multiple supercells from Blanchard to Etowah, both of which produced insane structure. Also documented several tornadoes, including large, long-lasting ones near Etowah/Pink.

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Trey Greenwood

@StormChaseAZ

2 months

LINK: Three years ago today, I was able to get a rare unobstructed view of a Dixie Alley wedge tornado near Morvin, AL, during a potent High Risk outbreak.

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Trey Greenwood

@StormChaseAZ

1 year

LINK: In-depth discussion of the 6-16-14 Pilger, NE twin EF4s, incl the environment that fostered them and the Burwell, NE tornado, and an attempt to determine why the Pilger twins coexisted so well. Thx to @Tornado_Steejo for the thumbnail/inset image.

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Trey Greenwood

@StormChaseAZ

4 years

Extreme close-range dust devil intercept west of Stinnett, TX, just now. #madwx

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Trey Greenwood

@StormChaseAZ

8 months

6:45pm current view of tornado warned supercell over Commerce TX. Still lacking low level rotation but a beastly storm nonetheless. #txwx @NWSFortWorth

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Trey Greenwood

@StormChaseAZ

1 year

Some clips from a fun chase today across west-central Oklahoma; intercepted a severe storm with large hail near Calumet. #okwx

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Trey Greenwood

@StormChaseAZ

2 years

LINK: In-depth meteorological discussion of Arizona's most notable tornado outbreak on October 5-6, 2010. Discussion of the environment that yielded sig-hail-producing supercells in PHX on Oct 5 & 11 tornadoes (some strong/long-track) in N AZ on Oct 6.

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Trey Greenwood

@StormChaseAZ

5 years

Tornado north of Alta vista KS 812pm cdt. Has lifted; is cycling #kswx @nwstopeka

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Trey Greenwood

@StormChaseAZ

2 years

7:19pm CDT tornado warned supercell moving toward OKC a few mins ago. Very HP, had some solid motion at times but couldn’t confirm anything. #madwx #okwx @NWSNorman

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Trey Greenwood

@StormChaseAZ

5 years

Incredible mammatus display about to go bonkers with sunset colors near Seymour, TX. #madwx #txwx

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Trey Greenwood

@StormChaseAZ

5 years

Beauty. #nmwx

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Trey Greenwood

@StormChaseAZ

2 years

LINK: Just a reminder, my in-depth look @ the March 5 Iowa tornado outbreak will premiere tonight on my Convective Chronicles channel @ 7pm CDT @ the link above. I'll be in the live chat answering any questions you might have about the event. #madwx #iawx

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Trey Greenwood

@StormChaseAZ

18 days

One of my favorite parts of touring the Plains every year is finding small town hidden gems. Smokin Dick's BBQ in Post, TX fits that bill. Super sweet couple making incredible barbecue in the shadow of the Caprock. Perfectly cooked meats and amazing sides. A must stop!

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Trey Greenwood

@StormChaseAZ

4 years

Supercell near Lawton, OK on October 9, 2019. Have a great Christmas, everyone! #madwx #okwx

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Trey Greenwood

@StormChaseAZ

2 months

4:48pm - watching a maturing, splitting storm over South Haven, KS, from just west of Arkansas City. #kswx

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Trey Greenwood

@StormChaseAZ

6 years

Wide shot of the Dodge City, KS supercell and one of its many tornadoes on May 24, 2016. #madwx

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Trey Greenwood

@StormChaseAZ

18 days

Fun day for our ETT Tour 2 guests today in northwest of Abilene, TX. Nice appetizer for what should be a hyperactive stretch coming up to end the week.

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Trey Greenwood

@StormChaseAZ

1 year

6:22pm cdt - Storm near Forreston TX. Some slow rotation noted. #txwx

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Trey Greenwood

@StormChaseAZ

2 years

@CameronJNixon Looked into this in my thesis for the 6-15-19 Putnam, OK, case, which seemed to also undergo a form of non-occluding cyclic mesocyclogenesis.

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Trey Greenwood

@StormChaseAZ

2 years

Happy Wray day! 6 years ago today we documented this beautiful, dusty tornado in NE Colorado. #madwx #cowx

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Trey Greenwood

@StormChaseAZ

11 months

Video still of what appears to be the large tornado that caused damage in Highlands Ranch, CO today with some of the Denver skyline in the foreground. #cowx

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Trey Greenwood

@StormChaseAZ

1 year

LINK: In-depth discussion of Tuesday's severe weather outbreak across the SE. In it, I'll briefly discuss the meteorology of the event before digging deeply into the potential limiting factors behind the lack of long-track tornadoes during the outbreak.

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Trey Greenwood

@StormChaseAZ

7 months

LINK: Throwback to four years ago today, when I intercepted this strong nighttime tornado that tore through the north side of Dallas, TX.

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Trey Greenwood

@StormChaseAZ

1 year

Chased a well-structured, lightning-active supercell from Sulphur to Ada, OK, last night. It tried to wrap up at times but seemed to struggle with some capping issues. Still a nice way to start off 2023. #okwx

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Trey Greenwood

@StormChaseAZ

2 years

5:56pm CDT - big wall cloud and structure over Denver City TX. Not much rotation but there is now some rising scud. #madwx #txwx @NWSLubbock @NWSMidland

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Trey Greenwood

@StormChaseAZ

2 years

LINK: In-depth discussion of cold-core tornado environments, including the typical features and parameter spaces associated with them and several real-world examples of cold-core and pseudo-cold-core tornado events.

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Trey Greenwood

@StormChaseAZ

1 year

LINK: In-depth fcst discussion on MS Valley svr wx event Tues 11-29. SPC mentions psbl tornado outbreak; environment should favor long-duration, fvrbl parameter space for rounds of sig svr storms, incl. discrete tornadic supercells, over broad warm sector

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Trey Greenwood

@StormChaseAZ

5 years

A few quick edits from today's SE NM/SW TX Panhandle supercell...awesome structure; definitely a nice warm-up for the next few days. #madwx #nmwx #txwx