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Everything posted by SouthBuffaloSteve
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NW wind at sunset to a SW wind at sunrise would explain the temp getting warmer, nothing hugely odd about that. But I still do feel there is something corrupting the temperate data at KBUF for at least a portion of the over night period. Need to be mindful of the lake influence right now. Didn't have as much of an impact last month but now when the area in general is sitting next to a lake that is 25 degrees warmer doesn't take much for some warm air to spill in. I really think it has a lot to do with the topography of the area. I know we can see the impacts with the Chautauqua Ridge and Boston Hills and even the Niagara Escarpment on a large scale view of WNY but were talking about going down into like town by town changes in elevation. Don't even know if or where you could find resources that would have fine detailed maps like this of say just Erie County.
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Ran numbers for this morning.. interesting for sure! Couple things I see... 1. There was an odd temperature flux at all of the PWS this morning between roughly 5am and 7am. Stations were all rather flat lined from 12am-5am, but then every station saw a quick rise in temp of roughly 2 degrees around the same time and then quickly had their temperatures crash back down by 2-3 degrees the next hour. Handful of stations actually set their daily minimums following the temperature crash. This temperature swing looks like it rolled across the area as there was a delay in a few of the stations showing this rise and fall. Depending when you saw the temp map this could have shown a larger than reality variance with real time reporting. I believe this was the result of lake influence. Radar check from around 6am shows a faint convergence area lifting from the NY shoreline up towards Ontario before drifting back south after suinrise. Very likely this area of convergence lifted up some of the warmer air over the lake and pushed it across the area bringing a momentary warming as it drifted northward and a rapid cool down as it pushed back south. I'll see how to post the radar loop. 2. Regardless of this neat tidbit here when looking just at the 12am-5am time before this added noise, KBUF is still running to dang warm! Solid 3 degrees above the other stations average from 2am-5am. These short terms unexplained time frames of higher than average departures during the early morning hours continues to be a thing...
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There is a slight risk of severe thunderstorms late this afternoon into tonight. The most favored time for severe weather will be from 3 PM to 9 PM. The primary threat will be damaging wind gusts, but large hail and even an isolated tornado are also possible, especially across the Southern Tier closer to a warm front. There is an additional potential for strong to damaging wind gusts late tonight as another round of thunderstorms develop ahead of a cold front.
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Erie actually went up a degree today and now at 67. 7 degrees above average for the date. Surface Temps across the lake are still 68-70. Just need that early cold outbreak in the 10-14 day range! Even with just “cooler temps” this weekend should see some good LER setup, especially off Lake Ontario. Liking Sunday for some spoot action!