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: 750870
Download Presentation The PPT/PDF document "Case Jan 02-03 2006 250 MB" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
Slide1
Case Jan 02-03 2006Slide2
250 MB
01/02/06 12Z
01/03/06 00ZSlide3
500 MB
01/02/06 12Z
01/03/06 00ZSlide4
850 MB
01/02/06 12Z
01/03/06 00ZSlide5
00Z FFC Sounding
00Z TL
H Sounding
-- Low Lvl Moisture Advecting North --
-- Cold/Dry Mid Lvl Air Advecting East --Slide6
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 @ 260Slide7Slide8
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 0215ZSlide9
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.Slide10
Jan 03, 2006: 0103Z 0.5 degreeSlide11
Jan 03, 2006: 0103Z 1.5 degreeSlide12
Jan 03, 2006: 0108Z 0.5 degreeSlide13
Jan 03, 2006: 0108Z 1.5 degreeSlide14
Jan 03, 2006: 0114Z 0.5 degreeSlide15
Jan 03, 2006: 0114Z 1.5 degreeSlide16
Jan 03, 2006: 0120Z 0.5 degreeSlide17
Jan 03, 2006: 0120Z 1.5 degreeSlide18
TIME (EST)
Johnson County Tornado January 2, 2006
Rotational Velocity (
In+Out
/2)Slide19
TIME (EST)
NROT Value
Johnson County Tornado January 2, 2006 Slide20
Jan 03, 2006: 0201Z 0.5 degreeSlide21
Jan 03, 2006: 0201Z 1.5 degreeSlide22
Jan 03, 2006: 0206Z 0.5 degreeSlide23
Jan 03, 2006: 0206Z 1.5 degreeSlide24
Jan 03, 2006: 0211Z 0.5 degreeSlide25
Jan 03, 2006: 0211Z 1.5 degreeSlide26
Jan 03, 2006: 0216Z 0.5 degreeSlide27
Jan 03, 2006: 0216Z 1.5 degreeSlide28
TIME (EST)
Jenkins County Tornado January 2, 2006
Rotational Velocity (
In+Out
/2)Slide29
TIME (EST)
NROT VALUE
Jenkins County Tornado January 2, 2006