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Look at that spin! This nearby low pressure system is bringing potential for severe thunderstorms.⛈️ The current clear skies will help warm the atmosphere, priming it for convection later. This video was captured of the GOES-W satellite from 8 AM - 12 PM PDT. #ORWX #WAWX

78,460 次观看 • 1 年前 •via X (Twitter)

10 条评论

Alice Hutchinson 🏳️‍⚧️ 的头像
Alice Hutchinson 🏳️‍⚧️1 年前

I hope we get thunderstorms in Salem. I grew up in Mississippi and miss getting them

DoingDaveThings 的头像
DoingDaveThings1 年前

Damn the Telsa protesters now look what you’ve done.

vlad🩸🇺🇦 的头像
vlad🩸🇺🇦1 年前

Darn climate change! I thought me giving up plastic straws and paying more carbon tax will avert this!

Page to Pixel Publishing 的头像
Page to Pixel Publishing2 年前

The Art of Flight is a homage to 80s/90s arcade action shmups with a fresh twist on the genre. Pilot multiple ships at the same time to take on oncoming waves of enemies in this fast paced space shooter. Wishlist on Steam today!

Donna 的头像
Donna1 年前

I want to know what time it hits Portland...

Jack 的头像
Jack1 年前

I have a sharpie, what can I change ?

patriot Spencer 的头像
patriot Spencer1 年前

What were they doing up doing chemtrails or cloud seeding yesterday. Sounds like they're intensifying the storm. Chemtrails were all over the place yesterday.

Kevin Luo 的头像
Kevin Luo1 年前

First storm of the day

Linda 的头像
Linda1 年前

What does convection mean here? Thanks for all your hard work NWS Portland team!

Michael 的头像
Michael1 年前

Out of curiosity, does this situation not warrant a severe thunderstorm watch? Or has that decision still not been made?

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Monday, December 18, 2023, 1:17 PM, PDT: 545 DM Low pressure is starting to develop 300 miles off the coast of Oregon. This is the start of the formation of the secondary low, which will emerge and have a southward trajectory. This low-pressure system will move into Southern California on Thursday and Thursday night. As of right now, intensive rapid development is expected within the next 24-30 hours over the Central Pacific. This system will tap into subtropical moisture south of the Hawaiian Islands in the next 32 hours, bringing copious amounts of rain to the southern California region. There is an increasingly elevated chance of thunderstorms on Thursday. The trajectory and positioning of solution models have the system going close to Point Conception early Thursday afternoon into Thursday night, which will provide the perfect setup for rainfall from Santa Barbara down to San Diego. If the main low pressure gets within about 65 to 130 miles of the Channel Islands, rainfall totals will increase across Ventura County, LA County, Orange County, and San Diego County. Rainfall totals are still expected to be between 0.80 to 2.0 inches. However, if thunderstorms do develop, rainfall totals of 1.8 to 4.0 inches seem justified with this particular system. More updates will continue as the system nears our region. The first system is moving into parts of Southern California this afternoon, which will moisten up the atmosphere and prepare us for the second system. There is no offshore flow at all, which is a good sign for further storm development as the lower levels of the atmosphere moisten up. #cutofflow #ElNino #Californiastorms

Jason D Farhang

13,391 次观看 • 2 年前

Wednesday, September 17, 2025, at 7:00 AM PDT: This is a very ominous atmospheric view see tropical weather once again really going to affect Southern California with heavy rainfall is trending. In fact, there’s already lightning near Lompoc California and the atmosphere is continuing to become more unstable throughout the day. This is going to be a very interesting weather situation next 24 to 36 hours rainfall amounts could exceed an inch especially in Los Angeles County the last time that we saw this much rain and if it does continue to trend was with Hillary on August 20, 2023, The main low axis is approximately 345 miles south of Oceanside, California. The upper-level low is approximately 180 miles west of Point Conception. The combination of the two will bring tropical moisture into the majority of Southern California, but the main axis still looks like Los Angeles to San Luis Obispo counties. This is a rapidly evolving situation so pay attention to anything else that could occur. Elevated concern for Flash flooding for all the recent burn areas can occur with tropical downpours associated with the system of the remnants of Mario right into Southern California. Precipitable water values associated with Mario‘s remnants are 1.5 to 2.0 inches. Estimated rainfall amounts are 0.89 in to 2.30 inches especially if there’s training isolated to severe thunderstorms over the Los Angeles area after Thursday 2 AM - Thursday 4PM with the atmosphere dynamics becoming clearly unstable with this tropical system. There’s a possibility of some erratic wind profiles associated with these storms. Higher confidence possibilities of isolated strong to severe thunderstorms that could produce up to 50 - 60 miles an hour gusts if the storm integrity continues its rapid destabilization and develops along the main low axis from Santa Barbara to Long Beach, California by Thursday 8 AM - 2PM. This is just the start of changes for our region due to the warming of the Pacific. #CAwx #Mario #SouthernCalifornia

Jason D Farhang

12,133 次观看 • 10 个月前