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Keeling_Curve

@Keeling_curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

424.03 parts per million (ppm) CO2 in air 16-Apr-2023. First >424 reading in Keeling Curve record. Highest recorded reading at Mauna Loa Observatory.

keelingcurve.ucsd.edu

The Keeling Curve

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Jordan Hall

@JordanHallWX

FIRST LIGHT: Cole Oklahoma Damage from the strong #tornado that impacted yesterday afternoon. #okwx #wxtwitter

@SevereStudios

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NWS Duluth

@NWSduluth

In case you missed it, 2022-2023 has been awarded the Golden Shovel Award for Seasonal Snowfall. As of 7AM this morning, April 20, we are at 137.1". This is (so far) 1.7" over the previous record. We have until June 30 until the count resets. #mnwx #wiwx #snowfall

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Steph Helmke

@StephBuckeyeFan

Thursday morning rainbow taken near Jewell, Ohio, on April 20, 2023.

Steve Thompson

@stormchase4life

This time lapse was cut short due to strong inflow winds knocking over my tripod, but this storm was INTENSE! South of Washington, OK tonight #okwx

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Andy Barber

@Exist2Chase

13h

So cool watching the rotation of the tornado warned supercell to the north of the OU campus earlier from the webcam. Quick timelapse from earlier. #okwx.

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That East wind

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Stark difference in temperatures depending on where you are Friday afternoon. On shore wind will cap coastal areas in the 50s while those to the west will approach 70°. Silver linig: everyone stays bright and dry through sunset.

***BREAKING NEWS

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NWS Duluth

@NWSduluth

2:30 AM Update: An additional 0.4" of snow has fallen, bringing the storm total to 0.7" and the seasonal total to 135.8". This officially sets 2022-2023 as the snowiest winter season on record at Duluth, MN, breaking the old record of 135.4" set in 1995-1996. #mnwx

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A photo of a ruler in the snow, measuring 0.7", is shown.

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Stu Ostro

@StuOstro

whoa #okwx

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Emily Tinney

@etinneywx

14h

Timelapse of the circulation as it moves away from NW Norman (and away from my apartment thankfully)

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Jim Cantore

@JimCantore

great capture

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Charles F11

@charlesf11

Y'all, the dashcam caught the Houston lightning coming from the ground up this morning, headed west on south Sam Houston Tollway. @rodryanshow @chitakhou @JimCantore @TravisABC13 @KPRC2Frank

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David Harrison, PhD

@dharrisonwx

11h

Timelapse of the Newcastle supercell from my front yard camera. Ironically, this might be some of the best timelapse footage I've captured in 10 years of storm chasing... #okwx

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Noah Bergren

@NbergWX

12h

This will be in a textbook someday. Supercell had a major tornado, deviant motion then hooked hard to the north, then split into two, may have briefly produced 2 concurrent tornadoes, now the southern circulation is becoming dominant as the northern, original tornado occludes.

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Collin Gross

@CollinGrossWx

10h

A merry-go-round of tornadoes tonight in central Oklahoma. Truly incredible. #OKwx

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Jensen Burnett

@jensen_wx

13h

Oklahoma doing Oklahoma things 😳 you don’t even need velocity to see the rotation on this monster supercell that’s currently got a violent tornado on the ground. #OKwx

Pattrn

@pattrn

15h

How do you make #vegan bacon? With banana peels! 🍌🥓 For #NationalBananaDay, we put this #viral, low-waste recipe to the test. Would you try it?

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NWS Gaylord

@NWSGaylord

The sun & temps in the 40s did some serious melting to northern WI's 8-12"+ of snow they received earlier this week as seen from today's satellite loop. #melt #weather #wx

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Scot Pilié

@ScotPilie_Wx

17h

Heads up! Active pattern Thursday-Friday from the ArkLaTex to the Gulf Coast. Damaging winds, large hail, & few tornadoes possible. In addition, localized heavy rainfall 2-4” will be likely with flash flooding possible.

Full video update: tiktok.com/t/ZTRTRD2Xr/

17h

🎉🎉🎉

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The Weather Channel

21h

Happy birthday to @pattrn TV!

One year ago today, we launched our newest show where hosts @StephanieAbrams and @JordanSteele explore our planet and our future

Watch weekdays at noon ET!

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Heads up!

has UPGRADED sections of the Plains to an Enhanced Risk(Level 3 out of 5) for the potential of large hail, damaging winds & a few isolated tornadoes. Have a way to receive alerts late evening into the overnight! #newx #iawx #kswx

The Weather Channel

Where in the country would you rather be today? 🤔

Alex Wallace

@TWCAlexWallace

Today is #NationalLinemanAppreciationDay! Big shoutout to all the crews that brave the weather to bring back power when it’s lost. #QOTD

@kellycass

& I want to know…what’s the longest you’ve been without power & how’d you pass the time? We’ll share on the

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Jonathan Erdman

@wxjerdman

A still impressive number of cities with their record warmest start to any year through Apr. 17 from Mass., to Ohio, to Fla. Many others a top 2 or 3 warmest year-to-date. Data/map:

@SERCC

Jonathan Erdman

@wxjerdman

'Tis the time of year for an #ice shove.

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Alex Resel

@aresel_

Sheets of ice drifted ashore Lake Kampeska after yesterday’s strong winds. Can’t say I’ve seen something like this here; kind of reminds me of scenes from the Great Lakes! #sdwx @NWSAberdeen

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Dustin Williams

@DWPhotographed

The moon rising and meeting the Milky Way over the abandoned sailboat near Pensacola Beach, FL!

Chris Bruin

@TWCChrisBruin

Serious flooding along the St. Croix River with some fresh snow

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Pauleen Le

@PauleenLe

Now that it’s light out you can really see the flooding along the St. Croix in Lakeland @WCCO

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Jim Cantore

@JimCantore

D.J. Kayser | Praedictix Weather

Dropped and gone in a day... Thank you April sun.

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@dkayserwx

Timelapse of today’s snow melt in St. Michael #mnwx

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⁩ What a difference 2 hours make Blizzard warnings heavy snow 27 deg winds NNW 17 mph Ashland WI 4-17-23

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Tom Niziol

@TomNiziol

WOW!! Very impressive monster #Spring #snowstorm rolling across the Great Lakes this morning. You can even see the snowcover peeking out from beneath the back edge of the clouds across #Minnesota. #ThinkSpring

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Jonathan Erdman

@wxjerdman

How is your April 17th starting off? Parts of western WI have picked up as much as 19" of #snow. Even some #lightning overnight. #wiwx

Happy Spring! 🤪

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Cheryl

@clkoval

⁦@JimCantore⁩ ⁦@weatherchannel⁩ ⁦@AMHQ⁩ ⁦@StephanieAbrams⁩ ⁦@JenCarfagno⁩ ⁦@wxjerdman⁩ ⁦@kellycass⁩ blizzard warning 27 deg winds NNW 14 mph 2-3 inches of snow so far still snowing in Ashland WI 4-17-23

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Ryan Phillips - NBC6

@RyanNBC6

Mammatus at sunset - Sunday evening in Hollywood, FL.

@StormHour

@JimCantore

@NWSMiami

📷: Henry Barreras

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NWS Twin Cities

@NWSTwinCities

As of earlier today, our office in Chanhassen has surpassed 100" snow for the season! We stand at 101.7" as of 7PM. This is the snowiest season on record for Chanhassen (records only dating back to 1995). We blew past 2nd place, which was the 2010-2011 winter with 90.2". #MNwx

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Melissa

@MADassilem

Apr 16

LaGrange, Texas sky at sunset after the storm tonight

Charles Peek

@CharlesPeekWX

Apr 15

Hail up to 3” measured just south of Newport, MO.

@NWSSpringfield

#hail #MOwx

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Justin Michaels

@JMichaelsNews

Apr 14

You’ll see reporting that the flooding that happened in #FortLauderdale this week was a “1,000 year flood.” Here’s what that actually means👇🏼

LOTS of money!!!

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Pattrn

@pattrn

The government is giving you $$ to electrify your home! @staceyabrams talked to @StephanieAbrams and @JordanSteele about @rewiringamerica's IRA savings calculator. See how it can help you save $$ (and cut emissions!): youtu.be/viNt5D_eTt0

Pattrn

@pattrn

Looking to electrify your home? It's better for your energy bill AND the planet! Tune in 12pm ET on

for easy tips from

@rewiringamerica

and

@StaceyAbrams

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Mike Bettes

@mikebettes

Fort Lauderdale might have just broken the 24 hour state rainfall record in Florida with 25.91". Insane! Current record is 23.28" in Key West, Nov 11-12, 1980.#flwx

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NWS Miami

@NWSMiami

Here are preliminary precipitation reports of over 10 inches from the last 24 hours. We have a team that is out surveying flooding and other reports, and will send another update later on today. Stay tuned! #flwx