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Everything posted by Chinook
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This minor storm is centered around KC and the ongoing KC vs Jacksonville game, but not much to speak of at the stadium, and rain for you guys that are the main people in this thread.
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I didn't think this one would have much, but maybe I can take some nice pictures of snowflakes and snow cover. I didn't really take a picture of the outside with the Dec 23-24 ground blizzard, as there was some grass showing, and it was a wind chill of -29 and stuff like that. HREF says 4-6" in coming! ha ha ha. That's the max value of the CAM models, so yeah, it's too high. Honestly I think observations might be 1.5" or 2.0" by tomorrow night or Monday.
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2023 Short/Medium Range Severe Weather Discussion
Chinook replied to Chicago Storm's topic in Lakes/Ohio Valley
I saw lightning at Toledo at 5:30PM, and it was not far away, as the thunder was quite soon. I really and truly haven't had a +RA in January since before I moved to the Western US. It's just so strange. -
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a lot more windy at DIA right now with wind gusts to 34kt (39mph), with almost all other airports less windy though.
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They've got 7" in Loveland and 7-8" around DIA right now. Maybe other spotters will measure 7" soon.
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I feel like this is a WetNina rather than a WhiteNina.
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The GFS has 15-20 knot easterly winds at 700mb during the height of the storm with -8C up there and maybe 30F at the surface, which is strangely warm. That's always a sign of a heavy snow band at the foothills. (see attached image) as QPF is quite high for just 6 hours there. The 18z GFS and 00z GFS have some different areas that have 11" of snow in 12 hours! Not exactly the highest confidence on that, but hey, it's a lot of snow. As mentioned, the 18z NAM had kind of a weird forecast. It has kind of been that way for years. When this model switched its name from the Eta to the NAM in 2007 or 2008. Then around 2008, they replaced the core of the model with the WRF software. It was, and is, considered the premier mesoscale model for the USA, but the snow forecasts for the Front Range have been kind of wonky for a long time. Check NWS Boulder for official snow forecast and Winter Storm Warning details.
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On Tuesday to Wednesday, it seems like this could be a longer-lasting storm with several inches of snow. The GFS, Canadian and UKMET have pretty decent QPF of over 0.6" for metro areas, and the 00z ECMWF has lower values. Edit: 12z ECMWF is pretty snowy.
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Today's models have some agreement for Colorado on Wednesday (96 hours). They have a 500mb closed low and surface upslope winds and snow.
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January 2nd and 3rd Severe Weather Threat
Chinook replied to DanLarsen34's topic in Central/Western States
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January 2nd and 3rd Severe Weather Threat
Chinook replied to DanLarsen34's topic in Central/Western States
update: possible large tornadoes have occurred today in Alabama, Jan 12th, with this, minutes ago in the city of Selma Alabama. Up to now, there have been 13 preliminary tornado reports in Alabama. -
Winter 2022/23 Short/Medium Range Discussion
Chinook replied to Chicago Storm's topic in Lakes/Ohio Valley
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Winter 2022/23 Short/Medium Range Discussion
Chinook replied to Chicago Storm's topic in Lakes/Ohio Valley
The 00z GFS changes the look of the system in the late week. It moves up the low pressure timing at Toledo to Friday, 03z (really, Thursday, 10:00PM). It with a stronger low pressure, at 996mb. It has the rain/snow transition in Michigan/Indiana, with something like 11-14" of snow at Howell, Michigan, depending on 10:1 or Kuchera snow ratios. Kucheras are lower than 10:1. I know, it's at 5 days out or maybe 6 days out, which means that it will trend in some direction. It almost certainly will trend towards less than 11-14" of snow for any area in the Midwest. And the Canadian global model says, "what storm?" As of right now, some ECMWF and GFS ensemble members have a pretty high QPF for southeast Michigan. -
January 2nd and 3rd Severe Weather Threat
Chinook replied to DanLarsen34's topic in Central/Western States
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January 2nd and 3rd Severe Weather Threat
Chinook replied to DanLarsen34's topic in Central/Western States
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January 2nd and 3rd Severe Weather Threat
Chinook replied to DanLarsen34's topic in Central/Western States
this is from Andy Hill, assisting Ryan Hall on his ongoing youtube stream. Unfortunately, I can't figure out what radar this was. -
January 2nd and 3rd Severe Weather Threat
Chinook replied to DanLarsen34's topic in Central/Western States
I think there's very strong rotation between Farmerville, Marion, and Sterlington. It's at the point where the storm is far from any radar. -
January 2nd and 3rd Severe Weather Threat
Chinook replied to DanLarsen34's topic in Central/Western States
It's always amazing that such a tiny cell could be a tornado producer on a day like today, but normally it would be a passing rain shower.