UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11)
Current filename: /home/data/upa/2025050912.upa.cvt
Date: 1200Z 9 MAY 25
Searching for VTBP...
Searching the city database file for: VTBP ...
Date:1200Z 9 MAY 25
Station: VTBP
WMO ident: 48500
Latitude: 11.83
Longitude: 99.83
Elevation: 5.00
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LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W
mb m C C % C C deg knt K K K K g/kg
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SFC 1004 5 30.4 26.0 77 4.4 27.1 0 0 303.2 307.2 300.1 367.4 21.53
1 1000 46 29.8 24.8 75 5.0 26.0 165 18 303.0 306.7 299.2 362.6 20.08
2 925 740 25.4 20.4 74 5.0 21.8 290 9 305.3 308.4 297.7 354.7 16.53
3 914 845 24.8 18.8 69 6.0 20.5 287 11 305.7 308.5 296.8 351.0 15.11
4 868 1297 20.8 17.6 82 3.2 18.5 274 14 306.1 308.8 296.7 350.3 14.75
5 850 1479 20.0 16.6 81 3.4 17.7 270 12 307.1 309.7 296.5 349.6 14.12
6 700 3131 10.4 10.4 100 0.0 10.4 145 2 314.0 316.2 296.5 349.3 11.40
7 696 3179 10.4 10.4 100 0.0 10.4 140 2 314.5 316.7 296.7 350.1 11.46
8 693 3215 9.8 8.1 89 1.7 8.8 136 2 314.2 316.1 295.5 344.8 9.84
9 674 3446 11.2 2.2 54 9.0 6.0 110 3 318.3 319.6 294.2 339.6 6.67
10 671 3484 11.4 2.4 54 9.0 6.2 106 3 318.9 320.3 294.5 340.7 6.80
11 612 4247 6.6 -7.4 36 14.0 -0.1 80 8 321.9 322.6 292.7 333.8 3.58
12 594 4491 4.8 -5.2 48 10.0 -0.2 85 8 322.6 323.5 293.6 337.0 4.37
13 525 5490 -0.3 -10.3 47 10.0 -4.8 77 10 328.1 328.7 294.1 339.3 3.33
14 522 5536 -0.3 -15.3 31 15.0 -6.3 76 10 328.6 329.0 293.4 336.3 2.23
15 506 5785 -1.9 -9.9 54 8.0 -5.5 68 11 329.6 330.3 294.7 341.7 3.56
16 500 5880 -1.9 -16.9 31 15.0 -7.7 65 11 330.7 331.1 293.8 337.8 2.04
17 495 5960 -1.9 -21.9 20 20.0 -8.8 63 11 331.7 331.9 293.4 336.5 1.34
18 492 6008 -2.1 -25.1 15 23.0 -9.4 62 10 332.0 332.2 293.2 335.7 1.01
19 445 6798 -7.9 -20.9 34 13.0 -12.3 60 7 334.4 334.7 294.4 340.2 1.62
20 400 7620 -12.7 -32.7 17 20.0 -17.4 60 4 338.5 338.6 294.5 340.8 0.61
21 364 8333 -16.9 -43.9 8 27.0 -21.4 104 3 342.1 342.2 295.0 343.0 0.21
22 360 8415 -17.5 -44.5 8 27.0 -21.8 105 3 342.4 342.4 295.1 343.2 0.20
23 300 9750 -28.3 -44.3 20 16.0 -30.3 105 14 345.5 345.5 295.8 346.5 0.25
24 250 11030 -37.9 -52.9 19 15.0 -38.9 65 15 349.7 349.7 296.7 350.2 0.11
25 200 12520 -51.5 -60.5 33 9.0 -51.8 110 11 351.2 351.2 297.0 351.5 0.06
26 172 13479 -59.9 -66.9 40 7.0 -60.0 98 18 352.8 352.8 297.3 352.9 0.03
27 157 14042 -63.9 -68.9 50 5.0 -64.0 100 23 355.3 355.3 297.8 355.4 0.02
28 150 14320 -66.3 -72.3 43 6.0 -66.4 105 26 355.9 355.9 297.9 355.9 0.01
29 135 14950 -71.9 -79.9 29 8.0 -71.9 102 30 356.8 356.8 298.1 356.9 0.01
30 130 15173 -72.3 -83.3 18 11.0 -72.3 100 31 360.0 360.0 298.7 360.0 0.00
31 129 15218 -72.5 -82.5 21 10.0 -72.5 100 32 360.4 360.4 298.8 360.4 0.00
32 107 16298 -79.9 -86.9 30 7.0 -79.9 79 25 366.2 366.2 299.9 366.2 0.00
33 100 16680 -81.1 -88.1 30 7.0 -81.1 80 26 371.0 371.0 300.8 371.0 0.00
34 84 17651 -84.9 -90.9 33 6.0 -84.9 50 25 382.3 382.3 302.6 382.3 0.00
35 83 17717 -84.3 -88.8 45 4.5 -84.3 51 23 384.8 384.8 303.0 384.8 0.00
36 80 17920 -84.1 -90.1 34 6.0 -84.1 54 19 389.3 389.3 303.7 389.3 0.00
37 76 18210 -76.7 -86.7 19 10.0 -76.7 59 12 410.5 410.5 306.6 410.5 0.00
38 75 18286 -76.9 -89.9 11 13.0 -76.9 60 10 411.7 411.7 306.7 411.7 0.00
39 71 18599 -78.9 -88.9 18 10.0 -78.9 108 11 413.9 413.9 307.0 413.9 0.00
40 70 18680 -78.1 -88.1 18 10.0 -78.1 120 11 417.3 417.3 307.4 417.3 0.00
41 62 19384 -71.9 -87.9 7 16.0 -72.0 177 12 445.8 445.8 310.4 445.8 0.00
42 57 19878 -73.7 -88.7 8 15.0 -73.7 211 13 452.5 452.5 311.1 452.5 0.00
43 53 20309 -67.9 -85.9 6 18.0 -68.1 219 11 475.5 475.5 313.1 475.5 0.00
44 50 20660 -66.7 -86.7 4 20.0 -67.0 225 9 486.3 486.3 314.0 486.3 0.00
45 46 21164 -66.7 -86.7 4 20.0 -67.0 204 8 498.0 498.0 314.8 498.1 0.00
46 44 21436 -62.5 -86.5 3 24.0 -63.0 193 7 514.7 514.7 315.9 514.7 0.01
47 33 23217 -61.1 -87.1 2 26.0 -61.9 55 12 562.5 562.5 318.8 562.6 0.01
TRP 84 17651 -84.9 -90.9 33 6.0 -84.9 50 25 382.3 382.3 302.6 382.3 0.00
WND
Sounding variables and indices
1000-500 mb thick: 5834.00 m
Freezing level: 529.06 mb = 5431.57 m = 17819.89 ft
Wetbulb zero: 612.92 mb = 4234.42 m = 13892.28 ft
Precipitable water: 2.21 inches
Sfc-500 mean rel hum: 66.90 %
Est. max temperature: 34.07 C = 93.33 F
Sfc-Lift cond lev (LCL): 942.74 mb = 570.86 m = 1872.88 ft T: 26.47 C
700-500 lapse rate: 4.47 C/km
ThetaE index: 18.06 C Layer 1000.0- 696.0 mb
Conv cond level (CCL): 857.88 mb = 1399.00 m = 4589.84 ft
Mean mixing ratio: 17.78 g/kg
Conv temperature: 33.86 C = 92.94 F
Cap Strength: 1.49 C
Lifted Index: -1.51 C Risk: Thunderstorms probable
Lifted Index @300 mb: -3.83 C
Lifted Index @700 mb: -2.16 C
Showalter Index: 1.19 C Risk: Showers probable
Total Totals Index: 40.40 C Risk: None
Vertical Totals Index: 21.90 C
Cross Totals Index: 18.50 C
K Index: 38.50 Risk: > 80 % chance of thunderstorms
Sweat Index: 234.20 Risk: None
Energy Index: -2.24 Risk: Severe Thunderstorms probable
Parcel Indices
Parcel: using 100 mb layer
CAPE (B+): 1162.52 J/kg
Max Up Vert Vel: 48.22 m/s
Conv Inhibition (B-): 28.64 J/kg
Cap Strength: 1.49 C
Lift Cond Lev (LCL): 886.13 mb = 1116.40 m = 3662.68 ft
Lev Free Conv (LFC): 811.13 mb = 1877.29 m = 6159.01 ft
Equ Level (EL): 671.13 mb = 3482.17 m = 11424.29 ft
B at Equ Level: 71.80 J/kg
Max Parcel Lev (MPL): 81.13 mb = 17842.78 m = 58538.59 ft
Wind level data
Storm motion: 199 at 6 knt
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TRUE/GROUND REL | STORM REL
LEV P H DIR SPD U V | DIR SPD U V
mb m knt m/s | knt m/s
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0 1004 5 0 0 -0.0 -0.0 | 19 6 -1.9 -5.6
1 1000 46 165 18 -4.7 17.4 | 151 13 -6.6 11.8
2 971 305 225 6 4.2 4.2 | 301 3 2.3 -1.4
3 939 610 285 7 6.8 -1.8 | 327 9 4.9 -7.4
4 925 740 290 9 8.5 -3.1 | 323 11 6.6 -8.7
5 907 914 285 12 11.6 -3.1 | 312 13 9.7 -8.7
6 876 1219 275 15 14.9 -1.3 | 298 15 13.0 -6.9
7 850 1479 270 12 12.0 -0.0 | 299 12 10.1 -5.6
8 816 1829 275 9 9.0 -0.8 | 312 10 7.1 -6.4
9 787 2134 260 7 6.9 1.2 | 311 7 5.0 -4.4
10 759 2438 240 6 5.2 3.0 | 309 4 3.3 -2.6
11 733 2743 210 4 2.0 3.5 | 357 2 0.1 -2.2
12 700 3131 145 2 -1.1 1.6 | 37 5 -3.0 -4.0
13 656 3658 85 4 -4.0 -0.3 | 45 8 -5.9 -6.0
14 609 4267 80 8 -7.9 -1.4 | 54 12 -9.8 -7.0
15 565 4877 95 8 -8.0 0.7 | 63 11 -9.9 -4.9
16 500 5880 65 11 -10.0 -4.6 | 49 16 -11.9 -10.3
17 486 6096 60 10 -8.7 -5.0 | 45 15 -10.6 -10.6
18 400 7620 60 4 -3.5 -2.0 | 35 9 -5.4 -7.6
19 400 7620 90 4 -4.0 0.0 | 46 8 -5.9 -5.6
20 326 9144 120 2 -1.7 1.0 | 38 6 -3.6 -4.6
21 300 9750 105 14 -13.5 3.6 | 83 16 -15.4 -2.0
22 263 10668 95 11 -11.0 1.0 | 70 14 -12.9 -4.7
23 250 11030 65 15 -13.6 -6.3 | 52 20 -15.5 -12.0
24 210 12192 100 11 -10.8 1.9 | 74 13 -12.7 -3.7
25 200 12520 110 11 -10.3 3.8 | 81 12 -12.2 -1.9
26 165 13716 95 20 -19.9 1.7 | 80 22 -21.8 -3.9
27 150 14320 105 26 -25.1 6.7 | 92 27 -27.0 1.1
28 128 15240 100 32 -31.5 5.6 | 90 33 -33.4 -0.1
29 104 16459 75 24 -23.2 -6.2 | 65 28 -25.1 -11.8
30 100 16680 80 26 -25.6 -4.5 | 70 29 -27.5 -10.1
31 84 17651 50 25 -19.2 -16.1 | 44 30 -21.0 -21.7
32 75 18288 60 10 -8.7 -5.0 | 45 15 -10.6 -10.6
33 70 18680 120 11 -9.5 5.5 | 89 11 -11.4 -0.1
34 58 19812 210 13 6.5 11.3 | 219 7 4.6 5.6
35 50 20660 225 9 6.4 6.4 | 261 5 4.5 0.7
36 43 21336 190 7 1.2 6.9 | 152 1 -0.7 1.3
37 32 22860 35 13 -7.5 -10.6 | 30 19 -9.4 -16.3
Wind Parameters
Mean winds (0-6000m): 168.6 at 7.9 knts
Storm direction: 198.6 at 5.9 knts
Shear (0-3000m) pos: 1.2 neg: 1.5 tot: 2.7 10-3/s
Storm rel Dir Shear (0-3000m): 21.0 deg
Storm rel helicity (0-3000m) pos: 33.8 neg: -21.6 tot: 12.2 m^2/s^2
ave: 4.1 10^-3 m/s^2 rel: 0.51
Storm rel vorticity (0-3000m) horiz: 11.6 stream: 5.9 10^-3/s
Energy-Hel index: 0.23
Bulk Rich Number: 493.39
Bulk Shear: 2.36 m/s
Storm Parameters
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Depth Mean Inflow| Shear | Helicity | Vorticity
AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm
m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s
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500 195 9 188 4| 0.0 6.8 6.8| 21.1 0.0 21.1 42.3 0.85| 40.0 33.9
1000 247 9 285 7| 3.5 3.4 6.9| 23.9 -12.0 11.9 11.9 0.64| 24.5 15.7
1500 262 11 295 10| 2.3 2.3 4.6| 25.2 -21.0 4.2 2.8 0.53| 18.3 9.8
2000 265 11 298 10| 1.8 1.1 2.9| 31.0 -21.2 9.8 4.9 0.53| 14.9 7.8
2500 263 10 300 9| 1.4 1.4 2.8| 31.3 -21.6 9.7 3.9 0.49| 12.8 6.3
3000 259 9 300 8| 1.2 1.5 2.7| 33.8 -21.6 12.2 4.1 0.51| 11.6 5.9
4000 256 7 306 7| 0.9 1.6 2.5| 37.4 -22.1 15.3 3.8 0.48| 9.6 4.6
5000 248 8 299 6| 0.5 1.3 1.7| 44.5 -22.7 21.8 4.4 0.48| 8.1 3.9
6000 169 8 122 4| 0.4 1.1 1.5| 44.5 -37.0 7.6 1.3 0.40| 7.3 2.9
Wrote GIF file: /home/apache/climate/data/raob//VTBP/skewt/VTBP.skewt.20250509.12.gif