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CAPE Calculation

Posted By: Scott Dennstaedt
Date: 8-October-07 1704Z

There's got to be something wrong with this CAPE calculation on this forecast. 809 doesn't seem to be reasonable. If someone could explain why this is as high as it is?

http://chesavtraining.com/forums/files/cape-calc_216.gif

CAE(F6) 1500 4Oct07
Op20 6h Forecast, 04-Oct-2007 15:00:00 (5.7nm/151 from CAE)

CAPE: 809.0 J/Kg, CIn: 0.0 J/Kg, PW: 0.0 Kg/m^2, Helic: 0.0 m^2/s^2
TT: 46.0 KI: 37.0 LI: -1.0 SI: 0.0 SW: 223.0
LCL: 1009.0 LFC: 747.0 EL: 714.0

P_alt mb t/td w_dir/w_spd
(ft) (C) (kts)

276 1009 22.3/22.00 67/005

348 1007 22.0/22.00 69/007

492 1002 21.8/21.80 70/009

541 1000 21.7/21.70 69/009

712 994 21.5/21.50 72/011
1004 984 21.0/21.00 77/015
1450 969 20.8/20.80 99/017
1903 953 20.6/20.60 108/016
2362 938 20.1/20.10 107/014
2762 925 19.5/19.50 100/013
2828 923 19.4/19.40 104/013
3301 908 18.5/18.50 105/013
3780 892 17.8/17.60 106/012
4265 877 17.3/17.00 109/012
4757 862 16.7/16.40 112/011
5148 850 16.2/16.00 109/010
5259 847 16.1/15.90 114/010
5768 831 15.3/15.20 116/008
6286 816 14.6/14.60 121/006
6811 801 13.8/13.80 130/005
7346 786 13.1/13.10 139/004
7887 770 12.4/12.40 145/004
8438 755 11.6/11.60 154/004
8999 740 10.3/10.30 166/005
9570 724 8.8/8.800 168/006
10151 709 9.3/6.900 167/005
10502 700 8.8/6.500 166/005
10745 694 8.4/6.300 171/005
11348 679 7.3/5.900 191/005
11962 663 6.0/5.100 206/006
12589 648 4.7/4.300 212/007
13297 631 3.8/2.600 216/007
13953 616 3.5/0.000 222/007
15650 578 -0.5/-1.20 237/010
16555 558 -0.9/-8.40 243/014
19393 500 -7.1/-15.4 240/011
19833 492 -8.1/-16.5 246/011
23442 426 -16.4/-18.2 223/007
24967 400 -18.6/-20.6 199/015
25010 399 -18.7/-20.7 204/015
26512 375 -20.8/-23.1 200/026
29429 332 -27.2/-29.9 200/028
31821 300 -32.2/-35.3 197/023
31916 299 -32.4/-35.5 202/023
35889 250 -42.9/-46.4 223/020
38386 224 -49.5/-53.2 243/018
42149 187 -58.8/-62.8 274/015
44177 169 -63.0/-66.8 288/007
44764 164 -62.9/-68.7 291/003
45581 158 -63.6/-70.8 71/007
46601 150 -64.6/-75.7 52/010
46736 149 -64.7/-76.4 55/010
48704 135 -67.1/-79.9 40/007
50715 122 -69.2/-81.9 107/007
53570 105 -70.7/-86.0 200/012
54564 100 -70.9/-87.1 194/012
56362 91 -71.3/-89.0 189/013
59508 78 -69.8/-88.9 309/005
63658 63 -69.1/-87.6 343/003
71903 41 -72.2/-86.7 131/002

Here is the sounding without the parcel lapse rate.

http://chesavtraining.com/forums/files/cape-calc-2_152.gif

Scott Dennstaedt

Messages In This Thread

CAPE Calculation -- Scott Dennstaedt -- 8-October-07 1704Z
Re: CAPE Calculation -- John Brown -- 10-October-07 0004Z
Re: CAPE Calculation -- Scott Dennstaedt -- 10-October-07 1703Z

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