Co-Founder and Meteorologist for The Washington Post’s Capital Weather Gang

Joined July 2007
9 Photos and videos
#ChesapeakeWOD SAFEGUARD
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Terrible Fox audio, can’t hear crowd noise or refs, ruining the Super Bowl TV experience @kevinsheehanDC
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Let’s be clear, this was botched twice. 1st when MLB rejected Nats attempt to postpone earlier in day based on stormy forecast. And 2nd when Nats/MLB postponed after many fans had arrived and radar showed chance of playing at least a few innings. @dougherty_jesse @capitalweather
And around 9 p.m., it began to rain.
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Could you imagine with a hurricane approaching if we stopped collecting weather data or running forecast models because it was a holiday weekend? Our health system should be as automated as our weather forecasting system for 24/7/365 coverage. @DrShepherd2013 @DrLeanaWen
Incredible: Our US health system is so feeble there is no Covid reporting this weekend. Sometime around Tuesday morning they’ll turn the machines back on and look at the numbers? I predict further increases in hospitalization and HCW depletion, hope the system doesn’t collapse
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Dan Stillman retweeted
Thoughtful perspective from @stillmand: How extreme weather & the pandemic have exposed fatal flaws in science communication The rub: We have great science but lives are being lost due to gaps in "last mile" of communication between messenger & end user: wapo.st/3AT2d5C
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Dan Stillman retweeted
What the models giveth, they taketh, and giveth again... we're working hard to sort them out. Here's our latest write-up on DC's snow potential Saturday night and Sunday: wapo.st/39Qhwli Graphic by @stillmand
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Bad news is, still much room for improvement in model forecasts of clouds, per horrible NAM hi-res and GFS forecasts for today (top two images on left). Good news is, recent upgrades to HRRR model might be paying dividends, per solid HRRR forecast (bottom left). @capitalweather
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Side roads and sidewalks getting snow-covered in Rockville, but not too slippery, at least not enough to keep puppy from his first walk in the snow. @capitalweather
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Michigan alums are playing leading roles in the space, science and policy community. Learn more during this exciting panel presented by the U-M Alumni Club of Greater Washington, D.C. Register now: ow.ly/GsZm50BFsly
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Dan Stillman retweeted
Register now for the @UmichDC virtual panel on space, science, and policy! The October 6th event will feature a keynote address from @NASA Assoc. Administrator @Dr_ThomasZ, as well as panelists from @UMengineering, @AirbusDefence, and @UMSEAS Register at: umalumni.force.com/s/lt-even…
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It’s so nice outside in the DMV right now. The brilliant blue skies and warm sunshine almost (*almost*) make you forget about all things #2020.
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Looking to the west, these intense storms approaching DC, I-95 and Baltimore have storm tops over 30,000 feet, indicative of heavy rain, damaging winds and possibly hail. @capitalweather
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The 3D radar view of severe storms moving west to east across the greater DC area on this early Monday afternoon. @capitalweather
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The World Series comes to D.C. on Friday. It almost didn’t happen. wapo.st/31OuyIS

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Maybe it’s just me, but feels like it often snows or does something wintry in DC on the nights of award shows?
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If this video doesn't get you psyched for GOES-S launch... @ulalaunch @torybruno #GOESS #GOES17 x.com/HarrisCorp/status/9528…

15 Jan 2018
Can you believe #GOES16 First Light was just a year ago today? Here’s to an incredible first year on orbit, with the best yet to come. #GOESS 🛰️
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Tyson's rainbow, courtesy Shahdy Ali-Hassan
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I nominate @capitalweather for a Shorty Award in #weather because it's the best damn weather source in DC. Period. shortyawards.com/category/we…