Chinook
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Everything posted by Chinook
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Severe heat wave June 2021 in the southwest -- PSP 123F
Chinook replied to Roger Smith's topic in Central/Western States
After I checked NOWDATA on the NWS Seattle web site, Sea-Tac got to 108 degrees on Monday, breaking an all-time high of 103 set on July 29, 2009. If you read this image, it says that the 108 breaks the Seattle record by only 4 degrees, so I'm not really sure how there's a discrepancy. -
Severe heat wave June 2021 in the southwest -- PSP 123F
Chinook replied to Roger Smith's topic in Central/Western States
Crazy temps The Dalles, OR: 117 Fort Lewis, WA: 110 (near Puget Sound) Ephrata, WA and Walla Walla, WA: 112 (inland) Lytton, BC: 115 24-hr max temps in Washington as of 5:00PM PDT Monday (Airports) -
my observations june 18 evening: lightning picture, distant thunderstorm picture, trace of rain june 19-20- trace of rain, some rain in Fort Collins june 24-25- 0.37" of rain, some lightning june 25-26- 0.35" rain, some lightning june 26-27- 0.03" rain
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it's possible something happened here at 7:54 Eastern
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Triple tornado threat- there is a confirmed tornado warning for the storm that is at Holt, south of Lansing right now
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southwest of Lansing MI - confirmed tornado
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severe thunderstorm warning for Boulder
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significant tornado parameter values are quite high for this time of year. Currently, there is a tornado watch for NE Kansas and adjacent areas
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This non-tornado warned supercell west of Omaha and northwest of Lincoln right now has 75dBz reflectivity and 1"-3.25" hail
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The models agree on around 75 degree dew points near the KS/NE border and I think there is going to be convection in the Iowa/Missouri area along this warm front.
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this is what it looks like now, west of Decatur, MI
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I guess it is a confirmed tornado!
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So this is maybe a tornado in North Aurora or Batavia?
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It looked like the rotation continued near Jonesville, but I don't know if any tornado ever happened.
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tornado reported at Bernard and/or Zwingle
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Tornado reported just on the north side of Pella
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tornado warning for Davis City, IA
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looks like a weakly-rotating left moving supercell.
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For what it's worth- the 12z NAM supercell composite parameter with 500mb wind overlay for tonight-
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Yes, there was a weak storm near me, but a more impressive storm near Cheyenne what was visible at about 8:00
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High temps maps
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possible tornado northwest of Dayton. The rotation area has been near Ithaca, OH recently, but I don't know if there have been any tornado reports
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Certainly the debris signature is moving into Ohio. I think the tornado still may be going.
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Here is an overlay of the NAM supercell composite parameter (which is normally overdone with CAPE) with 500mb wind barbs on Friday afternoon. The high supercell composite parameters are a result in excellent placement of CAPE/ SRH/ 0-6km shear. This seems like a very good setup for reasonably fast-moving severe storms for NW Ohio and into pretty much all parts of Ohio, and possibly starting off with severe storms in northern Indiana.
