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Added a new section to Weathernerds to host demo videos and limited case studies:
weathernerds.org/videos/
The "Severe Storms" video discusses tomorrow's forecast:
youtube.com/watch?v=c-JO90ob…
I'll build out the video page over the coming weeks.
Be safe tomorrow!
#Severe #wxtwitter
It appears ECMWF has corrected this issue for Isaias as of today’s 00z cycle. It’s probably safe to resume consumption. 🙂
Technical note: the ECMWF tracker cuts off for systems that originate west of 90° and move eastward. You might remember this issue during Milton in 2024. Best bet is to use Levi’s site which shows raw MSLP for EC at least until it crosses 90°W.
*GDM models not affected.
Google DeepMind’s newest experimental model for cyclones (WNV3; 64 members) has been added to Weathernerds.
weathernerds.org/models/wnv3…
These maps are created at weathernerds.org
Don’t go chasing waterfalls
Potential Tropical Cyclone #1, which has so far remained entirely over land in Mexico & Texas, just made waterfall in the Gulf
Pretty impressive short term spread in the ensembles for Sinlaku. Big implications for Guam. AI-based GDM-FNV3 much farther east… Not making a forecast; just making note so we can return to this afterwards.
The layer steering plots on Weathernerds show the evolution of the flow around Imelda nicely. If it hadn’t been for Humberto carving out a path through the upstream ridge, the flow likely would’ve stayed SSErly over Imelda and led to poorer outcomes for the US East Coast.
Replying to @ECMWF
@ECMWF I'm getting "Access denied: 530" for wmo:essential requests at ftp://diss.ecmwf.int/ ( or in the browser at essential.ecmwf.int/ )
Has the login info changed?
Compelling evidence of GDM’s utility continues to mount. Their ensembles recently added to Weathernerds:
weathernerds.org/models/fnv3…
Former NHC Branch Chief James Franklin shared these verification plots tonight from all publicly available models for Hurricane Erin. @GoogleDeepMind (GDMI) crushed it, even besting the consensus aids. We'll see if this holds the rest of the season, but color me impressed.
Alright, Google Deep Mind tracks are live. Ingest code is still pretty raw so bear with me if there are issues. Also, I switched to an "Ensembles" drop menu now. Thanks to the GDM team for their phenomenal work!!!
Coming soon (probably tomorrow) to Weathernerds: Google Deep Mind AI track forecasts (FNV3 & GenCast). These are proving to be pretty useful for genesis, track, and even intensity forecasting.
Hey, I know her!
As part of Hurricane Preparedness Week, NHC is encouraging you to build your knowledge kit. For day 7 of preparedness week, Lisa Bucci will be discussing the Tropical Weather Outlook. youtube.com/shorts/20jOQnagu…
Fortunately it's March and it's headed for sub-20C waters. Even a guy originally from Michigan doesn't like swimming in 19C water... 😏
Andy is a very good meteorologist and an even better person. Consider helping his family out!
Hey. It’s been a minute. But my friend @AndyHazelton could use your help. Please consider supporting him and his family during this period of uncertainty. Thanks! gofund.me/20b1e25d
Interesting meso-low in Wisconsin. I doubt it could still be this coherent had it originally formed upstream on Lake Superior. So what’s allowing it to remain so well-defined? 🤔
True weather nerds do their HRRR peeking on weathernerds.org ! 😁
PS: snow envy reaching extreme levels for this Florida-dwelling meteorologist


























