Rob Mayeda
@RobMayeda
NBC Bay Area since 2003, AMS #1682, SJSU Meteorology Lecturer. Formerly KIRO, KCRA, KSBY, KESQ, KNBC, Arizona Daily Wildcat & Father of twinados 👦🏻🌪️👦🏻🌪️
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Voyager 1 distance check: Currently 15.79 billion miles from Earth. ✅ This time next year, Voyager 1 will be one light-DAY away – meaning it will take light a whole 24 hours to travel between Earth and the spacecraft. For comparison: Mars is usually ~12 light-MINUTES from…
Episode 37 of the ongoing Halemaʻumaʻu eruption began at 2:30 p.m. HST on November 25 and is ongoing. Sustained lava fountains at the summit of Kīlauea are about approximately 400 feet (120 meters) in height. Winds are light from the north-northeast and will take most tephra and…
I was able to get above it today. You can see Henry Coe Park, Mt Hamilton, El Toro, the finally Mt Loma Prieta.
With fog already developing across portions of the Valley early this evening, the Dense Fog Advisory is now in effect from this evening through 11 am Monday morning. Be prepared for areas of reduced visibility on the commute tonight into Monday morning 😶🌫️ #CAwx
Fog reigns on… esp. our North Bay and East Bay Valley temperatures may continue to run chilly, due to foggy influences into the afternoon. More dynamic weather returns next weekend, possibly with gusty wind, which has our attention. A surge of continental polar air is expected…
Also into fog-chilled day time highs season...inland East Bay and North Bay valleys are prone to this as fog lingers into the afternoon. Low 50s Napa, across inland Contra Costa County approaching 3pm. This pattern will likely stick around through Thanksgiving #CAwx 11/23/2025
While not officially into Winter quite yet, our winter mode for fog is underway. Recent rain, clearing skies, light wind are perfect for Central Valley fog forming and we’ll see dense fog advisories to wrap up the weekend. Things could take a chilly turn toward the end of next…
There are sideline interviews… Then there is this 🙌🏻
Andrew Luck was in the perfect spot 😂 Had to stop mid-interview to watch the recovery TD 😅 @accnetwork
When I see wx posts saying “lock it in” but it’s the GFS > day 10 the medium range …
While not officially into Winter quite yet, our winter mode for fog is underway. Recent rain, clearing skies, light wind are perfect for Central Valley fog forming and we’ll see dense fog advisories to wrap up the weekend. Things could take a chilly turn toward the end of next…
Saturn's moon #Enceladus is a top target for us in our #Voyage2050 long-term planning period. No space agency has ever landed on Enceladus. And yet this moon has enormous potential for new science, particularly in the realm of habitability. 1/ #CM25
National weather service has a beach, hazards statement up through Monday; Long period swell, watch out for sneaker waves, and never turn out your back on the ocean!🌊 #MitchellsCove #CAwx
Beach Hazards Day: Tis the season of higher high tides…even under blue skies, wind from storms far away can still send large waves with extremely fast shore run up #CAwx 11/21/2025
11/21/25 8:45am Update: Another 1.2" (3 cm) of #snow fell in the last day, which brings our storm total to 3.9" (10 cm) and our 7-day total to 12.4" (31.5 cm). We are now at 89% of median snowfall and 167% of median precipitation (rain & snow) to-date. #CAwx #CAwater
A fresh look at SLS 🚀 We used our supercomputers and wind tunnels here at our Silicon Valley center to simulate airflow the Space Launch System rocket will experience during ascent. Notice anything new? Flanking each booster is a strake to improve the rocket’s airflow and…
⚠️❄️This week is Crash Responder Safety Week. As winter were in, vehicular accidents increases due to wet and icy conditions.🚒🚓 When you see an emergency vehicle from a first responder, tow truck, or roadside assistance vehicle, slow down and move over.
Moss survived in space for nine months, study finds nbcnews.com/science/space/… via @nbcnews
11/20/25 8:50am Update: We have 2.8" (7 cm) of new #snow with light to moderate snowfall rates continuing this morning. Our 7-day total to 11.6" (29.5 cm). Snow will continue through this evening and is expected to be the last for at least the next 7-10 days. #CAwx #CAwater
🚨 TRAFFIC ALERT – EASTBOUND I-80 🚨 (11/20/25 at 8:00am) Eastbound I-80 is closed just east of the Donner Summit Rest Area due to a crash involving a big rig. All eastbound traffic is currently being turned around at Castle Peak.
Preliminary magnitude 3.2 earthquake near San Ramon at 7:27 am … the swarm continues 11/20/2025 @nbcbayarea
And another San Ramon Valley earthquake a couple minutes ago … 11/20/2025
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