This graphic with stopped me in my tracks: five separate 1 in 1,000 year flood events across the country in less than a month.
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Kathryn Prociv
@KathrynProciv
Joined October 2010
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A Summer of Floods
Numerous historic, destructive flooding events all in the last month.
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Rather large swath of 10"-15" in the past 12 hours extends from downtown Dallas east along I-30 and also southeast to Loop 12, then continues southeast. Keep in mind that 1 in 1000 year rainfall interval in this area over 12 hours time is ~12". #txwx
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Question for my tweeps out there! Any of my Northeast/New England followers seeing leaves turning? 🍃🍂🍁
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The hourly report of 3.01" of rain at DFW Airport ending at 1:53 AM CDT was the station's largest one-hour precipitation report on record dating back to 1953 (data via mesonet.agron.iastate.edu/plotting/auto)
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Major flooding across portions of Dallas County, especially in the downtown area. Standing water on highways has submerged a lot of vehicles. DO NOT drive through flooded roadways!
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Incredible rainfall rates in across portions of Dallas County this morning 7.8 inches in 3-hr #txwx
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The flash flood signal has been there for days in North TX. It was just a matter of where exactly the axis of heaviest rainfall rates took shape, and of course, it chose an area with a greater concentration of hydrophobic surfaces (Dallas).
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A significant rainfall setup is on tap from the Southwest to the Southern Plains. This loop via @burgwx's page shows PWAT percentiles from the Euro, which highlights just how long some parts of the region (particularly southeast AZ to north TX) see >90 percentile PWATs.
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Two meteorologists walk into an art museum 🤓🤓 …and for a bonus, and are both musicians too! ⚡️ 🎶 🖼
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As the Atlantic Hurricane Season begins to show signs of life, it is statistically interesting to note that we've gone 317 days without a hurricane in the basin. A Top 10 "drought" in the Satellite Era.
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Going to be a busy day. Phoenix's 12Z sounding showing 2.22" PWATs is suboptimal to put it kindly.
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"Flash Flood Alley"
I-35 corridor Dallas > San Antonio hotspot for flood fatalities. Why?
1) Geographical location: moist air masses collide
2) Clay-rich soil slowly absorbs water
3) Steep terrain (Hill Country)
📷//
Very heavy rain Sun-Wed
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Let the EURO vs. GFS begin. Either way, my birthday week/weekend should be interesting! #tropics
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CSU has issued 2-week Atlantic #hurricane forecast (Aug. 18-31) and gives highest odds for near-normal activity (70%) with below-normal & above-normal both given 15% chances. Tropical cyclone activity is likely to increase later in the period:
tropical.colostate.edu/Forecast/2022-
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A pattern shift in the next few days will begin to bring beneficial rains to many drought stricken areas in the southern plains. However, rains may prove excessive Sunday through Wednesday, resulting in flash flooding in some areas. Find the latest at weather.gov
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It only took the #ISS ~2 minutes to fly from DC to Boston vs. a commercial airliner that takes ~90 minutes!
That's what 17,000 mph vs. 500 mph will get ya! #SpotTheStation #ilovespace
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2 minutes of WOW. This lovely clear view starts over @washingtondc and @BaltimoreMD, leading to @PhiladelphiaGov, @nycgov then at the very end @CityOfBoston right before the clouds.
@NWS_BaltWash @NWSNewYorkNY @NWSBoston
Aug 13, 2022 9:46 EDT.
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Absolutely SPECTACULAR aurora today!!! Thankful for the recent solar activity resulting in these wonderful sights!
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A Day 3 Moderate Risk for Excessive Rainfall is out for parts of Arizona & New Mexico. Prior to today, there appear to have been 0 previous issuances of a Day 3 Moderate Risk at the 09Z issuance dating back to Jan 2019 (calendars use Tuscon, El Paso, & Phoenix WFOs).
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First-ever Tier 2 water shortage.
And we saw this coming.
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Today, @Interior announced urgent actions to improve and protect the long-term sustainability of the Colorado River System in the face of climate change-driven drought, extreme heat and low precipitation. doi.gov/pressreleases/
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Another example of "x" is happening faster and/or sooner than we modelled due to #climatechange. 👀 What's the term for 'nowcasting' in #climate terms?
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Boreal spruce trees are moving fast into the Arctic tundra, where climate scientists did not expect them to be for another century. For @qz : qz.com/spruce-trees-h
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This looked so promising just a few days ago but now little to no rain expected this week in New England. Drought conditions are widespread and going to get worse.
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Thought back to times I felt helpless knowing lives were being lost/feeling like it was either just the beginning, or no end in sight.
Super Outbreak April 2011: debris balls on every tornadic supercell
Hurricane Harvey: never-ending rain
Hurricane Maria: bearing down on PR
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Sunday evening question: what has been the most memorable weather moment of your time watching the atmosphere?
For me, probably either watching Maria RI on satellite or tracking 25+ MRMS FLASH unit streamflow values inundate the NYC metro during Ida.
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A sunrise view this morning on the 63rd Street Beach in Chicago.
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You guys the latest ENSO blog is an ode to Olivia Newton John! 🎶Suddenly🎶 I can't wait to read it!
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Not only does La Niña continue, but it’s likely that a La Niña three-peat will happen this winter too with chances over 70%. If it happens, this will be only the third time with three La Niña winters in a row in our 73-year record. @NWSCPC
climate.gov/news-features/
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Yes! I tell everyone the smell of rain is actually the smell of EARTH "accepting" the rain. #NerdAlert
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Rain in the forecast?
The earthy scent produced when rain falls on dry soil is known as "petrichor". I did not know that. #smellslikerain @TheBradSowder @gomez_mayde @AshSuttonSA
The earthy scent produced when rain falls on dry soil is known as "petrichor". I did not know that. #smellslikerain @TheBradSowder @gomez_mayde @AshSuttonSA2
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10-11 degree dewpoint drop in 3 hours yes please! It's coming! cc
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The cold front is finally moving through New York, providing much needed relief from the heat and humidity.
Dew points have significantly dropped within the last 3-hrs across WNY and St. Lawrence region, and will slowly move east as the morning progresses.
#nysmesonet #nywx
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Major #NerdAlert!! 🤓 Love me some backward trajectories. Wind direction rules all! Much more refreshing air mass coming soon to the northeast! 🥳
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Who doesn't love a good air parcel trajectory illustrating its origin?! Ahem @KathrynProciv @TomNiziol.
Left (today): tropical
Right (Thursday): RELIEF!
Thank you, Cold Front! 
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Get our latest Flood Briefing on the #KentuckyFloods, offering reliable insights on the number of affected buildings and inundation levels in the Central Appalachian region.
Download your free PDF here 👉 bit.ly/3oQgXiq.
#PropertyInsurance #RiskManagement
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Love Dumas! Been through there so many times storm chasing and have never seen anything like this. I'm usually overnighting there before or after storms, but still! #TXwx
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Utah’s Great Salt Lake dropped to its lowest recorded water level last month.
Over an area of around 2000 sq. km of lakebed has been exposed.
The lake now contains little more than one-fourth of the water now as it did in 1987.
Comparing 1985 and 2022
#ClimateCrisis #climate
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For parts of central Denver, it was a rainfall event that is estimated to occur every several hundreds years - one that flooded I-70 and resulted in numerous rescues being undertaken. Local rainfall amounts of 2 to 4 inches were estimated in barely an hour. #COwx
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We added a little more to the daily rainfall total on Sunday during the afternoon & early evening.
Here are the final stats for the day, along with a compilation of all of the broken rainfall records.
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#flashflooding
Death Valley Friday
Denver yesterday
Chicago-area today?
...1-2"/hour rain rates from training storms could impact north side of Chicago at the start of the morning rush hour. Please be aware! #ilwx
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#WPC_MD 0706 affecting Northern IL, #ilwx #wiwx #iawx, go.usa.gov/xSAPa
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Atlantic waking up!
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Oh hey ! If memory serves me correctly, Beth was one of the first people I ever highlighted as the "Geek of the Week" on years ago. She rocks!!
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We’re so excited to see women in chasing getting great coverage in Canada!! 
Check out this piece featuring @adolwyn @dartanner & @treetanner from @CBCNews Calgary! 
cbc.ca/news/canada/ca
Check out this piece featuring @adolwyn @dartanner & @treetanner from @CBCNews Calgary! cbc.ca/news/canada/ca1
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I got treated to a beautiful lightning show this evening in New York City, My favorite storms to photograph are the ones that just pop up out of no where. #NyWx
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