UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:0000Z 18 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 123 SFC 978 314 23.2 18.4 74 4.8 19.9 0 0 298.2 300.7 293.9 338.2 13.74 2 939 671 21.2 18.3 84 2.9 19.2 345 9 299.7 302.3 294.6 341.3 14.23 3 925 803 22.8 16.8 69 6.0 18.7 355 9 302.6 305.0 294.7 341.4 13.12 4 922 831 22.8 16.8 69 6.0 18.7 11 7 302.9 305.3 294.8 341.9 13.17 5 900 1042 22.0 17.0 73 5.0 18.5 81 5 304.2 306.7 295.5 344.9 13.67 6 850 1537 18.2 14.3 78 3.9 15.6 115 7 305.2 307.5 294.7 341.5 12.15 7 815 1896 15.8 11.8 77 4.0 13.2 141 7 306.4 308.4 294.0 338.7 10.73 8 708 3082 10.8 2.8 58 8.0 6.2 138 7 313.4 314.7 292.9 334.2 6.63 9 700 3177 10.4 3.4 62 7.0 6.3 140 7 314.0 315.3 293.3 335.9 7.00 10 692 3273 10.0 2.0 57 8.0 5.5 140 7 314.6 315.8 293.0 334.7 6.40 11 557 5044 0.2 -6.8 59 7.0 -3.1 124 14 323.2 324.0 293.5 336.8 4.13 12 528 5470 -3.7 -8.2 71 4.5 -5.8 107 12 323.4 324.2 293.4 336.4 3.90 13 512 5713 -3.9 -13.9 46 10.0 -7.9 98 12 326.1 326.6 293.0 334.7 2.55 14 510 5744 -4.1 -15.1 42 11.0 -8.4 96 11 326.2 326.6 292.8 334.1 2.32 15 500 5900 -5.5 -12.5 58 7.0 -8.4 90 11 326.3 326.9 293.4 336.2 2.93 16 490 6058 -6.7 -12.7 62 6.0 -9.1 70 7 326.8 327.3 293.5 336.7 2.94 17 477 6268 -7.7 -19.7 38 12.0 -11.8 66 6 328.0 328.4 292.7 333.9 1.68 18 474 6317 -8.3 -15.3 57 7.0 -10.9 66 6 327.9 328.4 293.4 336.3 2.45 19 466 6449 -8.7 -15.7 57 7.0 -11.3 67 6 329.0 329.5 293.6 337.3 2.42 20 463 6499 -8.1 -22.1 31 14.0 -12.6 68 5 330.3 330.6 293.2 335.3 1.41 21 462 6516 -8.3 -21.3 34 13.0 -12.5 68 5 330.3 330.6 293.2 335.7 1.51 22 430 7069 -11.9 -19.9 51 8.0 -14.6 71 5 332.6 332.9 294.1 339.1 1.83 23 424 7177 -12.3 -28.3 25 16.0 -16.4 72 5 333.4 333.6 293.4 336.6 0.88 24 400 7620 -15.1 -28.1 32 13.0 -18.4 75 4 335.4 335.6 294.0 338.8 0.95 25 396 7696 -15.9 -26.9 38 11.0 -18.8 74 8 335.3 335.5 294.1 339.2 1.07 26 362 8365 -19.3 -46.3 7 27.0 -23.2 106 12 339.5 339.5 294.3 340.1 0.17 27 361 8386 -19.3 -46.3 7 27.0 -23.2 107 12 339.7 339.8 294.4 340.4 0.17 28 300 9730 -29.7 -48.7 14 19.0 -31.7 150 15 343.5 343.6 295.3 344.1 0.15 29 278 10268 -34.5 -51.5 16 17.0 -35.9 153 11 344.2 344.2 295.4 344.7 0.12 30 251 10973 -40.9 -46.9 52 6.0 -41.3 137 7 344.9 344.9 295.7 345.8 0.22 31 250 11000 -41.1 -47.1 52 6.0 -41.6 135 7 345.0 345.0 295.7 345.9 0.22 32 243 11192 -42.5 -47.5 58 5.0 -42.9 129 7 345.7 345.7 295.8 346.6 0.22 33 234 11447 -43.9 -53.9 32 10.0 -44.5 120 6 347.3 347.3 296.1 347.8 0.11 34 200 12480 -52.9 -57.9 55 5.0 -53.1 95 4 349.0 349.0 296.5 349.3 0.08 35 198 12545 -53.3 -58.3 54 5.0 -53.5 101 4 349.4 349.4 296.5 349.7 0.07 36 157 13995 -65.5 -71.5 43 6.0 -65.5 210 4 352.6 352.6 297.2 352.7 0.02 37 150 14270 -67.7 -73.7 42 6.0 -67.7 210 5 353.5 353.5 297.4 353.5 0.01 38 128 15212 -74.3 -79.0 48 4.7 -74.3 315 2 358.0 358.0 298.3 358.0 0.01 39 108 16192 -79.3 -84.0 46 4.7 -79.3 245 2 366.4 366.4 299.9 366.4 0.00 40 100 16630 -79.5 -84.3 45 4.8 -79.5 95 11 374.1 374.1 301.3 374.1 0.00 41 97 16802 -79.5 -83.6 51 4.1 -79.5 100 11 377.4 377.4 301.8 377.4 0.00 42 94 16980 -80.3 -85.3 43 5.0 -80.3 105 11 379.2 379.2 302.1 379.2 0.00 43 91 17164 -76.5 -84.5 27 8.0 -76.5 110 10 390.3 390.3 303.8 390.3 0.00 44 90 17227 -76.7 -85.7 23 9.0 -76.7 111 10 391.1 391.1 303.9 391.2 0.00 45 70 18670 -76.7 -85.7 23 9.0 -76.7 135 14 420.3 420.3 307.7 420.3 0.00 46 69 18753 -76.7 -85.7 23 9.0 -76.7 132 14 422.0 422.0 308.0 422.0 0.00 47 65 19101 -71.3 -84.3 13 13.0 -71.4 118 16 441.1 441.1 310.0 441.1 0.00 48 63 19286 -70.7 -85.7 9 15.0 -70.8 110 16 446.4 446.4 310.5 446.4 0.00 49 56 19986 -70.1 -85.1 9 15.0 -70.2 89 18 463.0 463.0 312.0 463.1 0.01 50 50 20670 -64.3 -84.3 5 20.0 -64.6 85 17 492.0 492.0 314.4 492.0 0.01 51 48 20921 -62.9 -83.9 4 21.0 -63.3 83 21 501.1 501.1 315.0 501.1 0.01 52 35 22866 -63.1 -87.1 3 24.0 -63.7 105 37 547.9 547.9 318.0 548.0 0.01 53 30 23830 -56.5 -83.5 2 27.0 -57.8 105 39 590.6 590.6 320.2 590.7 0.01 54 29 24045 -56.1 -85.1 1 29.0 -57.6 104 38 597.5 597.5 320.5 597.5 0.01 55 21 26110 -53.5 -86.5 1 33.0 -55.9 100 42 663.1 663.1 323.2 663.2 0.01 TRP 108 16192 -79.3 -84.0 46 4.7 -79.3 245 2 366.4 366.4 299.9 366.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5777.00 m Freezing level: 555.51 mb = 5066.21 m = 16621.23 ft Wetbulb zero: 606.28 mb = 4352.22 m = 14278.76 ft Precipitable water: 1.70 inches Sfc-500 mean rel hum: 65.34 % Est. max temperature: 30.84 C = 87.51 F Sfc-Lift cond lev (LCL): 911.62 mb = 930.16 m = 3051.68 ft T: 22.43 C 700-500 lapse rate: 5.84 C/km ThetaE index: 10.72 C Layer 850.0- 700.0 mb Conv cond level (CCL): 799.95 mb = 2053.10 m = 6735.82 ft Mean mixing ratio: 13.64 g/kg Conv temperature: 32.19 C = 89.94 F Cap Strength: 3.08 C Lifted Index: 0.52 C Risk: Showers probable Lifted Index @300 mb: 3.27 C Lifted Index @700 mb: 2.12 C Showalter Index: 0.63 C Risk: Thunderstorms probable Total Totals Index: 43.50 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 19.80 C K Index: 31.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 196.60 Risk: None Energy Index: -1.04 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.72 J/kg Max Up Vert Vel: 8.21 m/s Conv Inhibition (B-): 24155.23 J/kg Cap Strength: 3.08 C Lift Cond Lev (LCL): 866.63 mb = 1369.29 m = 4492.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 152 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 ---------------------------------------------------------- 0 978 314 0 0 -0.0 -0.0 | 332 7 3.2 -6.1 1 946 610 340 9 3.1 -8.5 | 337 16 6.3 -14.5 2 925 803 355 9 0.8 -9.0 | 345 16 4.0 -15.0 3 913 914 60 3 -2.6 -1.5 | 356 8 0.6 -7.6 4 882 1219 110 8 -7.5 2.7 | 52 5 -4.3 -3.3 5 850 1537 115 7 -6.3 3.0 | 45 4 -3.2 -3.1 6 821 1829 140 7 -4.5 5.4 | 61 2 -1.3 -0.7 7 792 2134 145 9 -5.2 7.4 | 123 2 -2.0 1.3 8 764 2438 135 8 -5.7 5.7 | 80 3 -2.5 -0.4 9 737 2743 130 8 -6.1 5.1 | 72 3 -2.9 -0.9 10 700 3177 140 7 -4.5 5.4 | 61 2 -1.3 -0.7 11 660 3658 140 8 -5.1 6.1 | 91 2 -2.0 0.0 12 612 4267 140 13 -8.4 10.0 | 127 6 -5.2 3.9 13 567 4877 130 14 -10.7 9.0 | 111 8 -7.5 2.9 14 500 5900 90 11 -11.0 0.0 | 52 10 -7.8 -6.1 15 487 6096 65 6 -5.4 -2.5 | 15 9 -2.3 -8.6 16 400 7620 75 4 -3.9 -1.0 | 5 7 -0.7 -7.1 17 400 7620 70 8 -7.5 -2.7 | 26 10 -4.3 -8.8 18 325 9144 145 16 -9.2 13.1 | 140 9 -6.0 7.0 19 300 9730 150 15 -7.5 13.0 | 148 8 -4.3 6.9 20 262 10668 155 8 -3.4 7.3 | 170 1 -0.2 1.2 21 250 11000 135 7 -4.9 4.9 | 57 2 -1.8 -1.1 22 209 12192 95 5 -5.0 0.4 | 18 6 -1.8 -5.6 23 200 12480 95 4 -4.0 0.3 | 8 6 -0.8 -5.7 24 164 13716 210 4 2.0 3.5 | 297 6 5.2 -2.6 25 150 14270 210 5 2.5 4.3 | 287 6 5.7 -1.7 26 127 15240 320 2 1.3 -1.5 | 330 9 4.5 -7.6 27 108 16192 245 2 1.8 0.8 | 316 7 5.0 -5.2 28 103 16459 90 7 -7.0 0.0 | 32 7 -3.8 -6.1 29 100 16630 95 11 -11.0 1.0 | 57 9 -7.8 -5.1 30 75 18288 140 9 -5.8 6.9 | 107 3 -2.6 0.8 31 70 18670 135 14 -9.9 9.9 | 120 8 -6.7 3.8 32 58 19812 90 18 -18.0 0.0 | 68 16 -14.8 -6.1 33 50 20670 85 17 -16.9 -1.5 | 61 16 -13.8 -7.6 34 45 21336 80 28 -27.6 -4.9 | 66 27 -24.4 -10.9 35 35 22860 105 37 -35.7 9.6 | 96 33 -32.6 3.5 36 30 23830 105 39 -37.7 10.1 | 97 35 -34.5 4.0 37 26 24384 100 36 -35.5 6.3 | 90 32 -32.3 0.2 38 18 25908 100 46 -45.3 8.0 | 93 42 -42.1 1.9 Wind Parameters Mean winds (0-6000m): 122.4 at 9.1 knts Storm direction: 152.4 at 6.9 knts Shear (0-3000m) pos: 1.4 neg: 0.2 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 99.3 deg Storm rel helicity (0-3000m) pos: 31.4 neg: -4.0 tot: 27.4 m^2/s^2 ave: 9.1 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 2.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.22 Bulk Shear: 27.72 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 ------------------------------------------------------------------------------- 500 345 6 338 13| 8.6 0.0 8.6| 14.8 -2.0 12.8 25.6 0.28| 12.8 3.7 1000 26 6 358 12| 4.0 0.0 4.0| 29.9 -2.0 27.9 27.9 0.42| 13.9 5.9 1500 75 6 22 8| 2.4 0.0 2.4| 30.4 -2.5 27.9 18.6 0.38| 10.5 4.0 2000 106 7 40 5| 2.2 0.0 2.2| 31.3 -3.1 28.2 14.1 0.37| 8.7 3.2 2500 116 7 48 4| 1.7 0.2 2.0| 31.3 -3.8 27.4 11.0 0.33| 7.3 2.4 3000 121 7 52 4| 1.4 0.2 1.6| 31.4 -4.0 27.4 9.1 0.31| 6.3 2.0 4000 129 8 68 3| 1.0 0.7 1.7| 33.4 -4.1 29.4 7.3 0.33| 5.5 1.8 5000 129 9 83 4| 0.8 0.8 1.6| 33.4 -16.7 16.7 3.3 0.16| 5.1 0.8 6000 122 9 75 5| 0.7 0.8 1.5| 33.4 -43.9 -10.5 -1.8 -0.05| 5.2 -0.3 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20251018.00.gif