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ETA 12 h Forecasts VT 0000 UTC Sunday 6 June
Gonzo pattern in Nebraska. Boundary set up on Nebraska/S.
Dakota border. Progs indicate lowlevel jet in same vicinity,
as well as 3000-4000 J/kg CAPE, SREH>200 m2/s2, left front
quadrant of incoming 250 mb jet streak, 500 mb winds >50 knots.
Progged hodographs look violent tornadic. SPC has High Risk with
enhanced wording.
What could go wrong?
Jet streak comes in late. Region stays suppressed in right
front quadrant till near sunset, when monster storm forms near
Lone Pine. I was with Al Moller, Mike Foster and others playing
the boundary in S. Dakota.
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We did drop down about 1 hour before sunset and did intercept
the tornadic supercell before it produced two tornadoes. But,
we were victims of the road system, and were not able to make
it to updraft/mesocyclone...and had to let it come to us, long
after it produced the tornadoes.
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