FirstinWeather - Rohan Shroff @FirstinWeather
Meteorologist/ Data Scientist Cornell 24 Focused on Mid-Atlantic, based in central VA Joined November 2019-
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Rip, I’ve definitely gotten used to looking at specific models for various forecasting situations: ie: NAM for WAA snow events, etc
This is a big deal. On August 31st, the RRFS and REFS will officially become operational. These models will replace a handful of models that have been in use for years. This includes the NAM and NAM 3k, HREF, SREF, and HiresW (including the ARW, NSSL, and FV3 CAMs). #wxtwitter
@ChrisMartzWX @MattyMcRoggy How so? Do you have any evidence besides anecdotal to back up your claims? I am specifically referring to legal, not illegal immigration.
@ChrisMartzWX @MattyMcRoggy This is incorrect. Someone having a different religion or being from a poor country doesn't mean they do not want to assimilate. Analysis show that immigrants today assimilate as quickly or faster than immigrants of the past. Our country's story+history is legal immigration...
This is a remarkable visualization.
This week's Middle East severe outbreak setup looks remarkably like a Plains severe outbreak... so much so that you probably didn't even notice anything odd about the map below at a glance until you realized I photoshopped US states on top of the Middle East vorticity/precip
@gary_okum I found this cool document that has archived news paper articles of the event and a storm summary. Must have been very cool to see! glenallenweather.com/upload/history…
Wow, some truly unreal weather today in the DMV. This might be the first time I've ever seen an anafrontal system overperform like this!
@gary_okum Interesting, I'll have to take a look!
On a side note, there needs to be a law banning bright white LED headlights on cars. My yellow hallogens simply cannot compete, plus you get blinded every time you go for a drive at night.
Hitting 90 in mid March in VA is downright impressive! Big shock to the system tomorrow as a strong cold front roars through bringing cooler temperatures and maybe even a period of snow.
Not just a daily record, but the warmest DC has been this early in the year in 26 YEARS (March 8th, 2000 - 85°F)
With a big warm up coming for the first two weeks of March, our chance of seeing a major snowfall is slim to none as climatology rapidly becomes unfavorable by mid March.
Overall, this winter for the DMV was colder than normal but featured below normal snowfall (again!). IAD: December: -3.1: 2.8 in. snow January: -3.3: 8.2 February: -1.8: 2.4 This was the coldest winter since 2014-2015, and the 6th straight winter of below average snowfall.
After a nice little taste of winter today, a big warm up is headed our way! From mid 50's to upper 60's this week, to maybe even mid 70's next week, this will be a big shock to the system after a relatively colder than normal winter.
Potential for some mood flakes tomorrow in the DMV. Little to no accumulation for most, perhaps half an inch on grassy surfaces in isolated spots.
@ChrisMartzWX That is true, it is unaffordable for most, but what I’m saying is that it’s not the dystopian hell that we are led to believe when we see one street corner on repeat on tv like skid row. Every state has its pros and cons, but there’s a reason living there is so desirable.
The main axis of precip all depends on the strength of the high and the associated area of strongest dTemp/dDistance. Right now, the mid-atlantic is favored.
Our next opportunity for some winter mischief is on Monday, with the GEFS ensemble being particularly bullish with QPF. EPS not so much. This is a classic overruning set up with a high to the north, and an elongated shortwave riding the 850 mb temp gradient.
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