The Archive

Newer posts (after 2016-12): click on a post heading to enable comments (via disqus).

Other older posts can still be seen at an older version of the blog. For commenting let’s start a conversation on twitter @purplecrowlidar.

• 27 Dec 2016 » New Look / First Look at the Cronyn Ceilometer

• 25 Jan 2016 » More PhDs finding jobs as tenure-track professors, study says #GlobeAndMail

• 25 Mar 2015 » Determining Rayleigh Scatter Lidar Temperatures Using an Optimal Estimation Method

• 10 Nov 2014 » Canadian SciSat Finds a Delay in Ozone Recovery from The Globe…

• 30 Oct 2014 » Changing Luminosity in Saturn’s Rings Kudo to Crow Shannon, a…

• 04 Aug 2014 » The Crows at Summer Camp

• 14 Jun 2014 » A Vertical Sundial

• 10 Jun 2014 » #xkcd “How Big a change is a That?”

• 07 Jun 2014 » Newspaper Article About Crow Sham’s Trip to the Arctic

• 01 Jun 2014 » On photographing astronomical objects in daylight

• 23 May 2014 » Awards brought home from NSERC Arctic Atmospheric Research Symposium - Western Physics and Astronomy — What’s Happening

• 08 Apr 2014 » When your supervisor is away… - Western Physics and Astronomy — What’s Happening

• 05 Apr 2014 » The Where to Go Crow

• 01 Apr 2014 » UWUO Weather Guru Predicts Extreme Winter

• 20 Mar 2014 » Echoes of Walkerton in Environment Canada cuts

• 10 Mar 2014 » ‘Eureka moment’ provides unique opportunity for students #westernu

• 28 Feb 2014 » 2 Crows in Eureka

• 01 Feb 2014 » #xkcd: Weather Geeks have it tough…

• 24 Jan 2014 » zing! xkcd: Cold

• 22 Jan 2014 » CANDAC’s Eureka Observatory Featured in the #GlobeAndMail #GlobeNorth

• 30 Dec 2013 » Earthrise: The 45th Anniversary

• 26 Nov 2013 » The Northern Lights - a life time experience (Official trailer)

• 11 Nov 2013 » Despite Flak, Weather Channel Will Still Name Winter Storms

• 10 Nov 2013 » NDACC LWG 2013 - Table Mountain

• 02 Nov 2013 » Getting ready for Polar Night in Eureka - CREATE Arctic Science

• 31 Aug 2013 » Raspberry Pi mini Mac Classic: Wow!

• 29 Jul 2013 » The Crow Asks: Can you explain these odd contrails?

• 01 Jul 2013 » PCL’s transmitted laser beam in the rain

• 01 Jul 2013 » PCL makes the Ontario Physics Grade 12 textbook

• 25 Jun 2013 » Hang a left at Europa

• 24 Jun 2013 » Colorado Fire Smoke Over London, Canada?

• 13 Jun 2013 » A supercell near Booker, Texas

• 10 Jun 2013 » @EB 7June13

• 12 May 2013 » #400ppm Can you gronk this? Cut YOUR carbon footprint now. Don’t understand? Read on.

• 09 May 2013 » CPSX Spotlight Shines on Crow Emily

• 06 May 2013 » Frickin’ “Laser” Beam

• 01 May 2013 » #xkcd: Integration by Parts

• 15 Apr 2013 » The Old Crow Lectures on the Aurora: Friday, 19 April @ RASC-London

• 01 Apr 2013 » Can you resist joining the Citation Club?

• 25 Mar 2013 » MSIS Atmospheric Model: on your iOS device!

• 25 Mar 2013 » Yarn Bomb @westernu

• 25 Mar 2013 » Emily’s Arctic Adventure (v2013)

• 25 Mar 2013 » Camel fossils found in Canadian Arctic

• 25 Mar 2013 » Arctic scientists see Canada slipping on world stage

• 25 Feb 2013 » Hey Crow Emily great man-scan for the door insulation. #itsNotInMirrorRoom

• 29 Jan 2013 » Discovery of upper atmosphere bacteria that affect weather

• 27 Jan 2013 » P&A Curling Night 26Jan13 on Flickr.

• 14 Dec 2012 » Sorry Fbook followers of the Purple Crow Lidar

• 11 Dec 2012 » “Detector box, you’re awesome”

• 15 Oct 2012 » Crow Emily watch out! Look behind you! #Endeavour is flying right past you at #JPL.

• 12 Oct 2012 » Daring Fireball on Mars Curosity computing specs

• 12 Oct 2012 » HonkHonkHonk: Western installs new Weather Siren

• 12 Oct 2012 » Terrifying #xkcd on wind power and turbulence

• 12 Oct 2012 » Badges? We don’t need no badges!

• 05 Oct 2012 » UWO Astronomy Student Names an Asteroid after Orchestra London

• 04 Oct 2012 » Misconduct, Not Error, Accounts For Most Scientific Paper Retractions

• 01 Oct 2012 » @cpsx ‘ers: take a virtual tour of the Japanese space agency!

• 01 Oct 2012 » Aurora Seen from Northern Ontario: 1 October 2012

• 23 Sep 2012 » Recollections of the ISSI Lidar Temperature and Ozone Algorithms Working Group: Meeting 3

• 21 Sep 2012 » Duck sets the Record Straight on Canadian Arctic Science

• 01 Sep 2012 » Echo Base in the Sunshine

• 22 Aug 2012 » Congratulations to Crow Emily on winning the William H. Wehlau award!

• 20 Jul 2012 » Moon Landing

• 20 Jul 2012 » FML: Google buys Sparrow Mail

• 02 Jul 2012 » Leap Second Bug Causes Glitches for LinkedIn, Reddit, More

• 06 Jun 2012 » Venus Transit Event @westernu

• 04 Jun 2012 » Canadian Environmental Day of Protest

• 02 Jun 2012 » Mysterious Light in the Sky

• 01 Jun 2012 » Comparisons with the NASA ALVICE lidar are in Progress, so… Why Measure Water Vapour in the Upper Atmosphere?

• 23 May 2012 » Our old N2 filter when “blue” on us: here’s our new one

• 19 May 2012 » Crow Emily wins Ramsay Memorial Award for Arctic Research

• 03 May 2012 » That’s odd @NASA upon first meeting Mrs. Sica and saying that I got slapped #SuperMoon #May5

• 01 May 2012 » Summer must be here because walking into the lab I stumbled upon a murder of #Crows

• 23 Apr 2012 » Out working on the laser, the Red Bud greets us at Echo Base #science

• 21 Apr 2012 » Something to make your day more beautiful.

• 20 Apr 2012 » Fire truck out window! How exciting world-class science comes to a standstill.

• 11 Apr 2012 » The Crows Welcome Back Emily from Eureka. #PEARL #CANDAC

• 09 Apr 2012 » @xkcd: Lakes and Oceans. How about the Atmosphere next?

• 05 Apr 2012 » Paul and Emily are on there way home from Eureka after freeing a stuck pump chamber. #CANDAC

• 22 Mar 2012 » Petition to Minister Kent to save the Canadian Polar Enviroment Atmospheric Research Lab

• 16 Mar 2012 » When Opinion Trumps Scientific Reason #TheMark #PEARL #ozone #EnvironmentCanada

• 05 Mar 2012 » Prof. T. Duck asks about the missing $35million the #HarperGovnt promised for atmospheric research? #TOStar #westernu

• 04 Mar 2012 » Prime Minister Stephen Harper should set scientists free, says Nature #Editorial from #TOstar

• 01 Mar 2012 » Why Canadians should care about the closure of the PEARL Observatory. #CANDAC @westernu @lfpress @aguscipolicy @saveec @createarcticsci

• 28 Feb 2012 » #CBCNews High Arctic research station forced to close

• 25 Feb 2012 » CRL update 20120223

• 25 Feb 2012 » Photo of the #CANDAC #Rayleigh #Mie #Lidar back in action from #Eureka #NWT.

• 20 Feb 2012 » Why is this scientist smiling? Read the meter: 981mJ GREEN @ 30Hz. Game on! #lidar

• 16 Feb 2012 » Our rods have seen better days. #QuestFor1Jgreen

• 14 Feb 2012 » Canada dropping the #ozone ball, scientists warn - Politics - CBC News

• 11 Feb 2012 » Wonderful. Harper govt to cut GSC’s Ice Core Research Lab as well #EndOfTheWorldAsWeKnowIt

• 10 Feb 2012 » Ouch! From @theAGU #EOS: #EnvironmentCanada Cuts Threaten the Future of Science & International Agreements #ozone

• 06 Feb 2012 » Man my new office in the P&A building @westernu better have one of these.

• 09 Jan 2012 » Blessing Iserhienrhien in the news: International Conference of Graduate Students Invades Nation’s Capital #uwophysastro

• 06 Jan 2012 » @CPSXnews rocks the Children’s Museum - Centre for Planetary Science & Exploration @westernu

• 02 Jan 2012 » Arctic mystery: What killed the ozone, and will it strike again? @margaretmunro

• 25 Dec 2011 » Last figure in the #Lego #StarWars 2011 Advent Calendar

• 20 Dec 2011 » The grad students have been locked into the new lab for theholidays @uwophysastro #westernu

• 19 Dec 2011 » Gonna be a little tight in here till summer especially when Justin returns

• 19 Dec 2011 » Crow Emily can’t contain her excitement about our renovated lab!

• 18 Dec 2011 » Hope you like the new look of the PCL blog, let me know.

• 12 Dec 2011 » A Couple of Photos from #AGU11

• 09 Dec 2011 » Last Report from the Crow’s Nest for now from #agu11. Safe travels homepeeps.

• 09 Dec 2011 » @robin_wing at his poster #agu11 @uwophysastro # 1945 stop by!

• 09 Dec 2011 » Life hectic at #agu11 ? Tell yourself that when all is calm a diapychal of an isopycnal surface points straight up.

• 08 Dec 2011 » Morning #agu11 Core Dump…All my writowdy friends came by for lunch…On the taxpayer’s dime back to work

• 08 Dec 2011 » Hey #agu11 people I have some questions for you #Experts. Feedback please? Whipple Lecture & mo’ posters..

• 07 Dec 2011 » Michael McIntyre’s Fellow talk at #agu11. WOW. @theagu I demand Michael get his own session next year. I’m #GyroscopicallyPumped

• 07 Dec 2011 » My Tuesday afternoon poster/talk summary from #agu11. Did you see the IR spectrum of the pork loin chop?

• 07 Dec 2011 » The Merry Christmas Poster at #agu11. Plus Delta Airlines is a co-author.

• 06 Dec 2011 » ComicCon for Geoscience Day 2: The Crow’s take on the #Bjerkes #Charney Atmospheric Science talks at #agu11

• 06 Dec 2011 » Well got through 500 posters today, more rambles within from #agu11. @znarfoz check out 143. Time to Soiree

• 05 Dec 2011 » @uwophysastro here’s Crow Emily at her poster #agu11

• 05 Dec 2011 » My picture with the mayor of San Francisco #agu11

• 05 Dec 2011 » Monday Morning, coming down… 85 down ? 1000 to go… Rivers of Air… Proxy Fruvious? #agu11

• 22 Nov 2011 » Interesting study showing the decrease in media coverage of global warming, though majority of Americans still believe it is occurring.

• 18 Nov 2011 » @weathernetwork just posted a short video clip by @markrozitis from the Open House @westernu.

• 15 Nov 2011 » More Great Pictures from the #Lidar Open House at #westernu

• 14 Nov 2011 » Some Photos from the Purple Crow #Lidar Open House #westernu

• 13 Nov 2011 » Researching weather with a laser - The Weather Network

• 12 Nov 2011 » The sign says it all #westernu. Beautiful weather for the PCL Open House. Be there or be a singularity!

• 09 Nov 2011 » Missed the #westernu PCL on #CBC #OntarioMorning this today? You can listen to it here.

• 07 Nov 2011 » Big Scary Laser Event is on top of the @westernu home page! Come see the #lidar and ICFAR! #westernu

• 03 Nov 2011 » Lidar Open House featuring our #ICFAR friends. Nov 12. Come on out: @uwoscience @westernu @westernmustangs @uwogazette @cpsxnews #westernu

• 28 Oct 2011 » Congratulations to Crows now Dr AR & JK on getting their degrees today. Best of luck to you both!

• 19 Oct 2011 » How to help try to save ozone research at Environment Canada

• 18 Oct 2011 » Go ride a bike and make our job easier at the #westernu #lidar

• 11 Oct 2011 » High Arctic troposphere is cleaner in the summer than the winter?

• 28 Sep 2011 » Any #agu11 Pranksters out there? inre: Deeply insightful abstract… - Geologic Froth

• 20 Sep 2011 » Though it be a day hence har maties it still were Pirate Day @ the Planetary seminar @cpsxnews #MattsBooty

• 20 Sep 2011 » Crow Emily: check out Andrew Heymsfield on hole-punch clouds made by jets #EarthSky @atmosnews

• 12 Sep 2011 » Hey rest of the world: you gonna let us get away with this: Canadian ozone network faces axe : Nature News

• 09 Sep 2011 » #xkcd: File Transfer. Anyone else have this conversation 10x per week?

• 20 Jul 2011 » NERC BORTAS Aircraft Campaign: Chasing Plumes from Fires in North Western Ontario

• 14 Jul 2011 » @drjerque is now a believer! #lidar

• 28 Jun 2011 » Hofstadter. Agreed. #xkcd

• 23 Jun 2011 » Crow Emily & @cpsxnews: Successful test of lunar analog rover to study #ImpactCratering #westernu

• 17 Jun 2011 » Weather Impact? RT ClimateWatch Magazine » Wind Turbines Churn the Air over the North Sea

• 14 Jun 2011 » Did small sats just get MUCH cheaper? What’s next, the iBus? (iPhone in space as a limb tracker).

• 28 Apr 2011 » Video: World’s most awesome grad students (@Robin_Wing and Emily) get our 2.6 m telescope operational at Echo Base

• 14 Mar 2011 » Celebrating PI Day in the lab Thanks to @tweedybirdnorth for baking a delicious maple sugar pie. #fb

• 13 Mar 2011 » Robin caught the first light of our new 1000mJ green beam into the night sky. Check it out here:

• 13 Mar 2011 » So what y’all doing now? We’re gratuitously dumping 1000mJ of green into the sky!!!!!!! It works! #fb

• 08 Mar 2011 » Getting our green on at the PCL. Day 1 of the laser install. Check out first light here:

• 03 Mar 2011 » Why are we so happy? We didn’t tip over a 1 ton laser table! #westernu

• 02 Mar 2011 » Our New Nd:YAG laser has arrived! 1000 mJ/pulse @ 30Hz, 532 nm #westernu

• 02 Mar 2011 » Discovery’s Final Launch Viewed From a Commercial Jet: how cool! Note how strongly stratified the lower atmosphere is.

• 28 Feb 2011 » #xkcd: ‘98 stopped the Nanobots!

• 27 Feb 2011 » Congrats to Crow Emily, best Physical Science Paper at Western Research Forum! #westernu

• 26 Feb 2011 » The Crows did a great job giving papers at the Western Research Forum this afternoon. I just had to watch! #fb

• 24 Feb 2011 » Didn’t know this, NASA’s Plutonium-238 situation “Cry Foul Finding And Funding Fuel” (via Satnews Publishers)

• 23 Feb 2011 » @globejunius: Saving Canada’s Arctic atmospheric lab - The Globe and Mail

• 18 Feb 2011 » Some terrific auroral pictures by Øystein Lunde Ingvaldsen in National Geographic.

• 18 Feb 2011 » Ouch, scream, dang, how true! PHD Comics: Guide to T.A. Office Hours

• 06 Feb 2011 » Emily went for a walk

• 06 Feb 2011 » Aurora

• 06 Feb 2011 » Northern Lights in Yellowknife

• 06 Jan 2011 » Sunset and eclipse on Mars - The Planetary Society Blog | The Planetary Society

• 27 Dec 2010 » My new filing system to start 2011

• 20 Dec 2010 » While I was gone my office got flooded as part of the building reno. Needed something else to do!

• 20 Dec 2010 » ISSI meeting photo opp: Lidar heads of state :-)

• 15 Dec 2010 » Hey #agu10. First pictures of the new PCL laser!

• 09 Dec 2010 » PHD Comics: So wrong (but so true!)

• 01 Dec 2010 » Prost!

• 25 Nov 2010 » It’s pie day at the lab!

• 22 Nov 2010 » Cranes/large telescope/flying laser tables, movie of the Purple Crow Lidar’s move to our new observatory online. Check it!

• 15 Nov 2010 » Quiet. Too quiet. Just the calm before the storm.

• 26 Oct 2010 » Encore des loups

• 24 Oct 2010 » Water Survey

• 24 Oct 2010 » Scenery

• 21 Oct 2010 » Puppies!

• 21 Oct 2010 » Look closely

• 21 Oct 2010 » Appearances can be deceiving

• 21 Oct 2010 » Shiny

• 21 Oct 2010 » 0pal, bigger and better

• 14 Oct 2010 » Emily’s Arctic Adventure: Guess who’s back (and I don’t mean me)

• 13 Oct 2010 » A Puzzling Collapse of Earth’s Upper Atmosphere - NASA Science

• 06 Oct 2010 » AMAZING! Homemade spacecraft sends back limb images from the stratosphere.

• 01 Oct 2010 » Feature of the Week: Conferator - a ubiquitous, BibSonomy-based conference service

• 19 Aug 2010 » Recent EOS article on our pyrocb results

• 02 Aug 2010 » 07/30/10 PHD comic: ‘Too due list’

• 20 Jul 2010 » What a day: out of Delaware and into the new Observatory

• 20 Jul 2010 » Move of Lidar in progress. Trucks starting to roll

• 28 Jun 2010 » Our new Licel counters & tubes are here (finally). When we get these going we will have greatly improved vertical resolution in the UTLS.

• 28 Jun 2010 » Ingenuity is often inversely proportional to budget! KC builds a full size planetarium for < $28k.

• 25 Jun 2010 » Why do the Students in the Lab find this Funny?

• 23 Jun 2010 » CBC News - Toronto - Earthquake rocks Ontario, Quebec AND London!

• 21 Jun 2010 » Lidar Building is taking shape!

• 18 Jun 2010 » 05/28/10 PHD comic: ‘A story in file names’

• 08 Jun 2010 » Pictures from the Gordon Shepherd Symposium

• 07 Jun 2010 » Both the new building and the new laser delivery our on schedule (July 1 and before month’s end respectively). Woo Hoo!

• 02 Jun 2010 » Brrr: The AO is way low - UCAR Magazine

• 27 May 2010 » At Space Science Symposium celebrating 50 years of Gordon Shepherd’s research

• 20 May 2010 » Photos of progress on the new lidar observatory

• 20 May 2010 » On the road back home after a most productive 3 days. All fired up to improve our water vapor measurements. I think Emily is as well.

• 19 May 2010 » In the language of the Nation’s capital

• 18 May 2010 » Visit to Howard University Atmospheric Research Facility

• 18 May 2010 » NDACC Tuesday: starting on the contentious issues & details this morning. That’s calibration!

• 17 May 2010 » Haha!

• 14 May 2010 » Fluid Dynamics Applied to Sociology

• 14 May 2010 » PHD Comics: Ode to the L.A.S.E.R.

• 14 May 2010 » Hello World

• 29 Jan 2010 » Potluck in the lab, 2009

• 22 Jan 2010 » This is what we do