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NWS Hanford
@NWSHanford
A strong storm system will impact Central California Monday through Tuesday night, resulting in snow in the Sierra Nevada above 8,000 feet and heavy rain in the San Joaquin Valley. Most of this precipitation will fall Monday and Monday night. A Flood Watch is in effect.

1:57 PM · Jan 6, 2023

not sure how to get this video posted here, but it's worth a look

Stormy Pattern Locked In

Rob Mayeda
@RobMayeda
Stormy 7 Days Ahead: no major changes (yet) across the Pacific with an intense zonal jet stream sending fast moving, rapidly strengthening storms toward California, a pattern likely to continue through mid-month (4/5) 1/6/2023
5:03 PM · Jan 6, 2023

twitter.com/RobMayeda/status/1

nitter.net/RobMayeda/status/16


"Atmospheric rivers can transport volumes of water many times that of the Mississippi River, doing so all in the air above your head," says Dr. Daniel Swain, a climate scientist with UCLA, the National Center for Atmospheric Research, and the Nature Conservancy of California.

NPR KQED
SHORT WAVE
An Atmospheric River Runs Through It
January 6, 202312:15 AM ET

npr.org/2023/01/04/1146963688/


SWAIN: There is a lot of evidence that climate change is dramatically altering atmospheric rivers, especially the intensity and the amount of moisture that atmospheric rivers can hold.... So there is a climate change component to the atmospheric river story

transcript of the above link:
npr.org/transcripts/1146963688


Rob Mayeda
@RobMayeda
As noted by
@NWSWPC
the next 7 days carry extremely high precip forecasts where impacts will be compounding as fast moving intense storms don’t allow much time for recovery, likely increasing regional flooding risk and severity. Stay tuned. 1/6/2023
Image
5:05 PM · Jan 6, 2023


Peter Gleick 🇺🇸
@PeterGleick
Many CA snow sites are at >150% of normal, or at record high levels and more major storms are coming. The nightmare scenario is the continued buildup of massive mountain snowpack followed by large, wet, /warm/ storms that rapidly melts the snow and floods the Central Valley.
12:15 PM · Jan 6, 2023

Get ready for Monday.



Joshua Wisel
Strong wording this morning from the WPC regarding the excessive rainfall outlook for Monday. WPC says they’re considering a high risk for excessive rainfall on Monday as another significant moves into early next week. Stay tuned
8:42 AM · Jan 7, 2023


NWS Hanford
@NWSHanford
Here is the updated rain and snowfall totals expected for the storm that is moving in currently from tonight to tomorrow night.
6:08 PM · Jan 7, 2023

A good explainer on the different terms & how affects the severity & frequency of storms.

Vice
US Government Predicted a Devastating California ‘ARkStorm’ in 2010—Is It Happening Now?

“While earthquake risk always exists, the risk of mega flood increases with each passing year,” Swain said.

vice.com/en/article/88qjpz/us-


just heard that the UC Davis Arboretum lost 24 trees!

this hasn't just been claiming large non-native trees (like eucalyptus trees, which are super flammable and have no business being in anyway), but it's been taking out big established oaks! they can't go from soil to soggy soil so quickly 😢

means the frequency & severity of storms keeps going up. A yo-yo of drought then floods will change our land a bit. wildfires already started it.



NWS Hanford
@NWSHanford
A quick refresher on what "Turn Around, Don't Drown" means. If you try to walk or drive through flood waters, you could get stuck or swept away. The image below shows how dangerous water can be. If you see flooded water, do NOT try and cross it. Thus, "turn around, don't drown."
3:39 PM · Jan 8, 2023



Very wet pattern continues, with another high-impact storm centered on Central CA Mon-Tue; hints of moderation in medium term?
Daniel Swain
January 8, 2023
It…has been a bit of a week in terms of storm impacts in Northern California. Although the effects of these powerful (and sometimes sneaky) storm events, the past 7 days have brought a verifiable onslaught ...

weatherwest.com/archives/22604

CapRadio
Storm updates: Governor Gavin Newsom says ‘the worst’ is ‘in front of us’
Sunday, January 8, 2023 | , CA

Beginning Sunday night, a 5th atmospheric river is scheduled to slam into , bringing stronger rains & equally powerful winds...

the California “climate whiplash” experience.

“Hot’s getting a lot hotter, dry’s getting a lot drier, and wet is getting a lot wetter, as well”

capradio.org/articles/2023/01/

ok so trees are starting to come down & block roads in the .

And here's

NWS Hanford
@NWSHanford
High confidence exists that environmental conditions will become favorable for heavy rain, resulting in flash flooding in the Sierra Nevada below the snow line and Sierra Nevada foothills today. Pay attention to the weather and be ready to move to higher ground quickly.
12:25 AM · Jan 9, 2023

[email protected]
NWS Sacramento (bot)
@[email protected]
Thunderstorms are possible today with best chances today in the northern Valley & adjacent foothills. Any cell could produce lightning, heavy rain, gusty winds, small hail, & possible funnel clouds. Take shelter indoors if a storm forms near you!

MONTECITO, CA.– An EVACUATION ORDER will be in effect as of 11 a.m. on Jan. 9, 2023 due to a strengthening storm that has the potential to produce flooding, mud & debris flows. This EVACUATION ORDER applies to identified properties and parcels in the Thomas Fire burn area of Santa Barbara County. This includes areas of Montecito, Carpinteria, Summerland, and the City of Santa Barbara.


montecitofire.com/article/1934

According to Reuters, President Joe Biden approved an emergency declaration for as a result of the many storms the state has experienced in the past week. In the past 10 days, the storms have killed 12 people statewide. The declaration allows the state to receive federal assistance to support recovery efforts.

LIVE UPDATES: Storm brings closures, flooding, thousands remain w/o power, trees down

mendovoice.com/2023/01/live-up

BASS LAKE — County Sheriff has issued an evacuation order for Bass Lake RV Resort, 39744 Road 274, Bass Lake, due to flooding.
There is an immediate threat to life. This is an evacuation order to leave now. The area is closed to public access.
Take action immediately. If you require evacuation assistance, call 911.
An evacuation shelter is to be determined.

sierranewsonline.com/evacuatio

Caltrans District 6

@CaltransDist6
SR-190 ( County):
•Roadway is currently closed from just west of Camp Nelson to the Western Divide due to flooding. No ETO at this time. Updated at 12:45pm 1/9/23

weatherwest
Daniel Swain
@[email protected]
This is unfortunately exact outcome I was concerned about: a slow-moving, moist & unstable along Central Coast (from SLO into Ventura). Widespread & locally severe flash flooding ongoing amid continuing torrential downpours (& iso. t-storms).
Jan 09, 2023 at 16:19 · ·

👀
⚡️

@[email protected]
Meteorologist Ron (Mr W”R”X) did this weather divination on the thunderstorm hurtling towards us tonight from the Pacific: “Here's something you don't see everyday. The last 120 mins. of Lightning strikes, off the coast, an almost continous ~600 mile long line. UNREAL!” I am definitely battening down the hatches tonight…waiting for this one
Jan 09, 2023 at 21:25

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@peeppeepcircus that's insane. I hope all in areas affected are safe

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