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Sunday, October 21 - Weather Talk


NorthGeorgiaWX

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A daily summary of social media discussions about the weather


This is the coldest morning so far this season across Alabama.... some temperatures just before sunrise... pic.twitter.com/9VjC3JKs9G

— James Spann (@spann) October 21, 2018

Overnight modeling in general agreement on a major storm system to affect the Southeast/Mid-Atlantic/Northeast next weekend early following week. Could bring decent rains, wind/erosion on coast, snow into interior Northeast, esp central New York into New England. 00z ECMWF shown pic.twitter.com/vslt7H5RDe

— Allan Huffman (@RaleighWx) October 21, 2018

A winter-like synoptic setup next weekend with departing Canadian high and coastal storm. Impressive gradient + cold air damming potential.

Lots of time to monitor, but impactful weather is possible □ pic.twitter.com/4BUXPUVZaT

— Ben Noll (@BenNollWeather) October 21, 2018

Saturday's Serious Surf. Lake Michigan is rocking along the Chicago Shoreline. #weather #news #ilwx #chicago pic.twitter.com/oytJzziMzh

— Barry Butler (@barrybutler9) October 20, 2018

As for the long range storm(s) and modeling...they're going to keep moving around the 2ndary MIDATL->NEAST portion of events. Split flow is a bear for guidance to resolve. Southern low obviously comes along though.
.
10/20 PM Blog:https://t.co/kPUrpkPJGM
. pic.twitter.com/PKlvYnV58Q

— crankyweatherguy (@crankywxguy) October 21, 2018


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    • Gfs is hinting at a tropical system out of the Caribbean.  Pretty nasty at that. It has kept introducing it off and on.  With the big cool down and the movements of overall circulation what are you thoughts here?
    • Good morning!       And speaking of the closed off bowling ball, here's what that 500 mb anomaly looks like. THIS is what we want to see this winter. Big closed upper air lows can make their own cold air in the winter by drawing down much colder air from the upper reaches of the atmosphere.    These are the corresponding surface temperature anomalies... we're going to be well below normal for the first week of October.    Do you remember what last October was like? We were broiling in the mid to upper 80's with extremely dry conditions.   Don't want to ever see that again, that totally ruined fall.  Take a look at the Euro's thoughts on low temps for next Sunday morning.   Here are two images, one from the GFS and one from the Euro, showing a cross section of the temperatures from the surface to about 200 mb which is getting close to 40,000 feet. You can see the dips in the temperatures next week. The temps are in Celsius so the zero degree line is 32 degrees.   While we expect some rain between now and next weekend, it won't be a a lot. There is a decent chance of rain in advance of the bowling ball but nothing significant at the moment. This is the expected rainfall through Thursday morning.   So we'll warm up a little before we cool down, so just a little patience! 🙂 Hope everyone has a great Saturday!
    • Good morning! Man... it just seems like this month is flying by to me. Here we are coming up on the middle of fall and the 2nd busiest month for hurricanes, so that means there ought to be lots of weather to talk about, but right now we're in a lull.  This mornings map (300 mb winds and isobars/dewpoints/water vapor/radar) shows a mostly zonal flow across the northern tier of the US. You can see the weak cold front trailing down though TN/AR/TX. You can also see how the southeast is still in the moisture while the northern and western parts of the US are dry.      Here's a look at the upcoming temperatures for selected areas around north Georgia. These are the official NWS forecast temps. Notice the end of the week.   The rain is about over but there could be a light shower/drizzle passing through, these are the rainfall expectations through 8 pm this evening.   So not much going on to get excited about. After having 5-7 storms in the Atlantic at once, we now have zero.    Yesterday's CoCoRaHS rainfall measurements look like this. I feel very alone up here.... 🙂   That's it! 🙂 I hop everyone has a great Friday!
    • Sorry, missed your question. I guess you've already gotten the answer. 🙂  
    • Any update on expected wind gusts or are we still just looking at breezy conditions if anything?
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