Case Jan 0203 2006 250 MB 010206 12Z 010306 00Z 500 MB 010206 12Z 010306 00Z 850 MB 010206 12Z 010306 00Z 00Z FFC Sounding 00Z TL H Sounding Low Lvl Moisture Advecting North ColdDry Mid Lvl Air Advecting East ID: 769487
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Case Jan 02-03 2006
250 MB 01/02/06 12Z 01/03/06 00Z
500 MB 01/02/06 12Z 01/03/06 00Z
850 MB 01/02/06 12Z 01/03/06 00Z
00Z FFC Sounding 00Z TL H Sounding -- Low Lvl Moisture Advecting North -- -- Cold/Dry Mid Lvl Air Advecting East --
Parameters at 01Z SBCAPE 750-1000 J/kg 0-3km Cape 125 J/kg CIN 0 to -50 J/kg LCL 500-600 m LFC 1400-1500 m LI -5 to -6 C 500-700mb LR 7-7.5 C/km 0-6km Shear 60-65 kts 0-3km Shear 40 kts 0-1km Shear 30-35 kts 0-3km Helicity 300-350 m^2/s^2 0-1km Helicity 300-350 m^2/s^2 Sfc Wind 10 kt @ 190 925mb Wind 20-25 kt @ 240 850mb Wind 20 kt @ 250 700mb Wind 25 kt @ 260 500mb Wind 35 kt @ 240 300mb Wind 100-105 kt @ 260
SBCAPE / SFC WIND @ 01Z SBCAPE / 925 MB WIND @ 01Z Tornadoes occur on downwind side of SBCAPE axis. Tornadoes occur along western edge of LLJ. Tornado event t imes 0122Z and 0215Z
Conclusion 500mb shortwave initial kicker of thunderstorm development.Strong mid level lapse rates occur with dry/cold air from the west and low level moisture from the south. Favorable parameters for tornadic supercellsTornadoes developed on downwind side of SBCAPE axis while entering western edge of LLJ. Storms ran parallel to sfc speed convergence zone with unimpeded flow from the south into tail-end charlie storm.
Jan 03, 2006: 0103Z 0.5 degree
Jan 03, 2006: 0103Z 1.5 degree
Jan 03, 2006: 0108Z 0.5 degree
Jan 03, 2006: 0108Z 1.5 degree
Jan 03, 2006: 0114Z 0.5 degree
Jan 03, 2006: 0114Z 1.5 degree
Jan 03, 2006: 0120Z 0.5 degree
Jan 03, 2006: 0120Z 1.5 degree
TIME (EST) Johnson County Tornado January 2, 2006 Rotational Velocity ( In+Out /2)
TIME (EST) NROT Value Johnson County Tornado January 2, 2006
Jan 03, 2006: 0201Z 0.5 degree
Jan 03, 2006: 0201Z 1.5 degree
Jan 03, 2006: 0206Z 0.5 degree
Jan 03, 2006: 0206Z 1.5 degree
Jan 03, 2006: 0211Z 0.5 degree
Jan 03, 2006: 0211Z 1.5 degree
Jan 03, 2006: 0216Z 0.5 degree
Jan 03, 2006: 0216Z 1.5 degree
TIME (EST) Jenkins County Tornado January 2, 2006 Rotational Velocity ( In+Out /2)
TIME (EST) NROT VALUE Jenkins County Tornado January 2, 2006