UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:0000Z 19 OCT 25 Station: VTCC WMO ident: 48327 Latitude: 18.78 Longitude: 98.98 Elevation: 314.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 111 SFC 977 314 24.8 18.8 69 6.0 20.6 0 0 299.9 302.5 294.6 341.2 14.11 2 958 487 22.2 18.3 79 3.9 19.5 12 6 299.0 301.5 294.2 339.6 13.95 3 936 690 22.8 17.8 73 5.0 19.4 16 11 301.6 304.1 294.9 342.3 13.83 4 931 737 24.4 17.4 65 7.0 19.5 13 12 303.7 306.2 295.3 344.0 13.55 5 925 794 24.0 17.0 65 7.0 19.2 10 12 303.8 306.3 295.1 343.4 13.29 6 850 1529 19.0 12.0 64 7.0 14.4 105 12 306.0 308.0 293.7 337.4 10.42 7 817 1868 16.4 10.4 68 6.0 12.6 119 8 306.8 308.6 293.4 336.2 9.74 8 743 2671 12.0 7.3 73 4.7 9.1 101 12 310.4 312.1 293.6 337.1 8.67 9 700 3170 10.4 2.4 58 8.0 5.9 105 12 314.0 315.2 292.9 334.4 6.51 10 621 4158 4.8 -6.2 45 11.0 -0.5 88 10 318.5 319.3 292.0 331.1 3.87 11 582 4684 1.4 -9.6 44 11.0 -3.5 88 8 320.5 321.1 292.0 331.0 3.17 12 549 5152 -2.7 -7.7 68 5.0 -5.0 91 7 321.0 321.8 292.7 333.9 3.90 13 511 5719 -5.3 -11.3 63 6.0 -7.8 94 6 324.6 325.2 293.1 335.1 3.16 14 500 5890 -4.5 -21.5 25 17.0 -10.1 95 5 327.6 327.8 292.4 332.4 1.37 15 496 5953 -4.7 -22.7 23 18.0 -10.5 100 6 328.1 328.3 292.4 332.5 1.24 16 472 6340 -6.7 -14.7 53 8.0 -9.9 113 9 330.3 330.8 294.1 339.2 2.59 17 465 6457 -7.1 -21.1 32 14.0 -11.8 115 9 331.2 331.5 293.4 336.6 1.53 18 437 6936 -10.3 -30.3 18 20.0 -15.4 121 11 333.1 333.2 293.2 335.7 0.70 19 430 7060 -11.5 -23.5 36 12.0 -15.1 123 11 333.1 333.4 293.8 337.9 1.34 20 427 7114 -11.5 -29.5 21 18.0 -16.1 123 11 333.7 333.9 293.4 336.6 0.78 21 424 7168 -12.1 -19.1 56 7.0 -14.5 124 12 333.7 334.1 294.5 340.7 1.99 22 400 7610 -14.5 -24.5 42 10.0 -17.4 130 13 336.1 336.4 294.6 340.9 1.31 23 387 7860 -15.9 -30.9 26 15.0 -19.4 148 10 337.5 337.7 294.4 340.3 0.75 24 378 8037 -17.3 -25.3 50 8.0 -19.5 147 11 337.9 338.2 295.0 342.7 1.29 25 360 8402 -19.5 -32.5 31 13.0 -22.3 145 12 339.7 339.9 294.9 342.4 0.69 26 346 8695 -21.9 -30.9 44 9.0 -23.9 143 12 340.4 340.5 295.1 343.5 0.84 27 336 8911 -23.5 -33.5 39 10.0 -25.5 142 13 341.0 341.2 295.2 343.6 0.67 28 329 9064 -24.5 -48.5 9 24.0 -27.3 141 13 341.7 341.7 294.8 342.3 0.14 29 300 9730 -29.9 -49.9 13 20.0 -31.9 145 10 343.2 343.3 295.2 343.8 0.13 30 251 10973 -40.9 -45.9 58 5.0 -41.3 239 7 344.9 344.9 295.7 345.9 0.25 31 250 11000 -40.9 -45.9 58 5.0 -41.3 240 7 345.3 345.3 295.8 346.3 0.25 32 248 11054 -41.5 -46.4 59 4.9 -41.9 241 7 345.2 345.2 295.8 346.1 0.24 33 200 12470 -53.5 -58.5 54 5.0 -53.7 260 2 348.0 348.1 296.3 348.4 0.07 34 188 12866 -56.5 -63.5 41 7.0 -56.6 274 3 349.4 349.4 296.5 349.6 0.04 35 161 13831 -64.7 -68.4 60 3.7 -64.7 316 4 351.4 351.4 297.0 351.5 0.02 36 160 13869 -65.3 -69.1 59 3.8 -65.3 321 4 351.1 351.1 296.9 351.1 0.02 37 150 14260 -67.7 -72.7 49 5.0 -67.7 5 1 353.5 353.5 297.4 353.5 0.01 38 128 15203 -72.7 -78.7 40 6.0 -72.8 10 5 360.9 360.9 298.9 360.9 0.01 39 103 16453 -80.5 -83.4 62 2.9 -80.5 104 9 369.1 369.1 300.4 369.1 0.00 40 101 16564 -80.5 -83.2 64 2.7 -80.5 102 10 371.1 371.1 300.8 371.2 0.00 41 100 16620 -80.7 -83.4 64 2.7 -80.7 100 11 371.8 371.8 300.9 371.8 0.00 42 94 16968 -81.7 -84.7 60 3.0 -81.7 85 10 376.5 376.5 301.6 376.5 0.00 43 75 18247 -77.7 -83.7 37 6.0 -77.7 85 15 410.0 410.0 306.5 410.0 0.00 44 70 18650 -69.9 -80.9 19 11.0 -70.0 90 14 434.8 434.8 309.3 434.9 0.01 45 67 18912 -67.5 -79.5 17 12.0 -67.7 95 14 445.5 445.5 310.4 445.6 0.01 46 65 19094 -67.9 -79.9 16 12.0 -68.1 98 14 448.5 448.5 310.7 448.6 0.01 47 50 20670 -67.9 -80.9 14 13.0 -68.1 100 21 483.5 483.5 313.7 483.5 0.01 48 42 21730 -61.9 -78.9 9 17.0 -62.4 87 29 523.1 523.1 316.5 523.2 0.02 49 35 22855 -61.7 -79.7 7 18.0 -62.3 105 34 551.6 551.6 318.2 551.7 0.02 50 30 23820 -56.3 -76.3 6 20.0 -57.6 110 32 591.2 591.2 320.2 591.4 0.04 51 27 24496 -52.1 -73.1 6 21.0 -54.3 110 39 621.0 621.1 321.6 621.6 0.07 52 23 25536 -51.3 -73.3 6 22.0 -53.9 652.5 652.6 322.8 653.2 0.08 TRP 94 16968 -81.7 -84.7 60 3.0 -81.7 85 10 376.5 376.5 301.6 376.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5779.00 m Freezing level: 570.73 mb = 4843.87 m = 15891.75 ft Wetbulb zero: 627.28 mb = 4074.94 m = 13369.05 ft Precipitable water: 1.59 inches Sfc-500 mean rel hum: 60.52 % Est. max temperature: 31.38 C = 88.48 F Sfc-Lift cond lev (LCL): 895.02 mb = 1080.38 m = 3544.50 ft T: 22.05 C 700-500 lapse rate: 5.48 C/km ThetaE index: 7.77 C Layer 925.0- 743.0 mb Conv cond level (CCL): 777.40 mb = 2288.37 m = 7507.68 ft Mean mixing ratio: 13.12 g/kg Conv temperature: 33.50 C = 92.30 F Cap Strength: 3.37 C Lifted Index: 1.69 C Risk: Showers probable Lifted Index @300 mb: 3.36 C Lifted Index @700 mb: 2.29 C Showalter Index: 3.39 C Risk: None Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 16.50 C K Index: 27.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 173.00 Risk: None Energy Index: -0.89 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.65 J/kg Max Up Vert Vel: 9.24 m/s Conv Inhibition (B-): 268.26 J/kg Cap Strength: 3.37 C Lift Cond Lev (LCL): 847.84 mb = 1550.83 m = 5087.96 ft Lev Free Conv (LFC): 562.84 mb = 4952.33 m = 16247.60 ft Equ Level (EL): 512.84 mb = 5690.22 m = 18668.48 ft B at Equ Level: 42.07 J/kg Max Parcel Lev (MPL): 472.84 mb = 6326.64 m = 20756.44 ft Wind level data Storm motion: 125 at 7 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 977 314 0 0 -0.0 -0.0 | 305 7 5.9 -4.2 1 945 610 20 11 -3.8 -10.3 | 352 15 2.1 -14.5 2 925 794 10 12 -2.1 -11.8 | 347 16 3.8 -16.0 3 912 914 80 8 -7.9 -1.4 | 20 6 -2.0 -5.5 4 881 1219 105 12 -11.6 3.1 | 80 6 -5.7 -1.1 5 850 1529 105 12 -11.6 3.1 | 80 6 -5.7 -1.1 6 820 1829 120 8 -6.9 4.0 | 82 1 -1.1 -0.2 7 791 2134 110 12 -11.3 4.1 | 89 5 -5.4 -0.1 8 763 2438 105 11 -10.6 2.8 | 75 5 -4.8 -1.3 9 736 2743 100 12 -11.8 2.1 | 71 6 -6.0 -2.1 10 700 3170 105 12 -11.6 3.1 | 80 6 -5.7 -1.1 11 659 3658 100 13 -12.8 2.3 | 75 7 -6.9 -1.9 12 611 4267 85 9 -9.0 -0.8 | 32 6 -3.1 -4.9 13 567 4877 90 8 -8.0 0.0 | 27 5 -2.1 -4.2 14 500 5890 95 5 -5.0 0.4 | 347 4 0.9 -3.7 15 487 6096 110 8 -7.5 2.7 | 49 2 -1.7 -1.4 16 400 7610 130 13 -10.0 8.4 | 136 6 -4.1 4.2 17 399 7620 150 10 -5.0 8.7 | 191 5 0.9 4.5 18 325 9144 140 13 -8.4 10.0 | 157 6 -2.5 5.8 19 300 9730 145 10 -5.7 8.2 | 182 4 0.1 4.0 20 262 10668 225 7 4.9 4.9 | 266 11 10.8 0.8 21 250 11000 240 7 6.1 3.5 | 273 12 11.9 -0.7 22 209 12192 255 1 1.0 0.3 | 300 8 6.8 -3.9 23 200 12470 260 2 2.0 0.3 | 296 9 7.8 -3.8 24 164 13716 305 5 4.1 -2.9 | 305 12 10.0 -7.0 25 150 14260 5 1 -0.1 -1.0 | 312 8 5.8 -5.2 26 127 15240 10 5 -0.9 -4.9 | 331 10 5.0 -9.1 27 103 16459 105 9 -8.7 2.3 | 57 3 -2.8 -1.8 28 100 16620 100 11 -10.8 1.9 | 66 5 -5.0 -2.2 29 94 16968 85 10 -10.0 -0.9 | 39 6 -4.1 -5.0 30 75 18288 85 15 -14.9 -1.3 | 59 11 -9.1 -5.5 31 70 18650 90 14 -14.0 0.0 | 63 9 -8.1 -4.2 32 58 19812 110 15 -14.1 5.1 | 97 8 -8.2 1.0 33 50 20670 100 21 -20.7 3.6 | 88 15 -14.8 -0.5 34 45 21336 80 27 -26.6 -4.7 | 67 23 -20.7 -8.8 35 35 22860 105 34 -32.8 8.8 | 100 27 -27.0 4.6 36 30 23820 110 32 -30.1 10.9 | 106 25 -24.2 6.8 37 26 24384 110 41 -38.5 14.0 | 107 34 -32.7 9.9 Wind Parameters Mean winds (0-6000m): 95.4 at 9.6 knts Storm direction: 125.4 at 7.2 knts Shear (0-3000m) pos: 1.5 neg: 0.8 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 132.8 deg Storm rel helicity (0-3000m) pos: 49.3 neg: -5.5 tot: 43.8 m^2/s^2 ave: 14.6 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 3.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.59 Bulk Shear: 16.47 m/s Storm Parameters ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 500 17 8 343 12| 11.7 0.0 11.7| 28.2 -2.8 25.4 50.7 0.64| 14.3 9.1 1000 57 9 11 9| 6.2 0.0 6.2| 47.3 -2.8 44.5 44.5 0.65| 15.4 10.1 1500 79 10 32 7| 2.8 0.0 2.8| 47.8 -2.9 44.9 30.0 0.58| 11.8 6.8 2000 90 10 44 6| 2.1 1.0 3.1| 47.9 -4.1 43.8 21.9 0.49| 10.1 5.0 2500 93 10 51 6| 1.7 1.0 2.7| 48.1 -5.3 42.8 17.1 0.45| 8.5 3.8 3000 96 11 56 6| 1.5 0.8 2.3| 49.3 -5.5 43.8 14.6 0.45| 7.2 3.3 4000 96 11 58 6| 1.1 0.7 1.8| 49.3 -14.2 35.1 8.8 0.29| 6.2 1.8 5000 95 10 52 5| 0.8 0.6 1.4| 49.3 -16.1 33.2 6.6 0.25| 5.2 1.3 6000 95 10 48 5| 0.9 0.5 1.4| 51.7 -17.6 34.2 5.7 0.26| 4.8 1.3 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20251019.00.gif