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 VO466... Searching the city database file for: VO466 ... Date:0000Z 18 OCT 25 Station: VO466 WMO ident: 43466 Latitude: 6.90 Longitude: 79.87 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1008 1 24.6 21.6 83 3.0 22.5 140 1 297.1 300.0 295.3 344.3 16.32 1 1000 71 24.8 23.3 91 1.5 23.8 90 5 298.0 301.3 296.9 351.1 18.30 2 995 115 24.4 22.4 89 2.0 23.0 67 5 298.0 301.1 296.3 348.5 17.39 3 993 133 25.6 21.8 80 3.8 22.9 58 4 299.4 302.4 296.3 348.4 16.79 4 967 368 25.2 21.1 78 4.1 22.3 321 4 301.2 304.3 296.6 349.8 16.51 5 925 759 22.4 19.2 82 3.2 20.2 275 10 302.2 305.0 296.1 347.4 15.31 6 854 1448 17.8 17.1 96 0.7 17.3 284 6 304.4 307.1 296.1 347.6 14.52 7 850 1488 17.6 17.0 96 0.6 17.2 285 6 304.6 307.3 296.1 347.8 14.49 8 717 2929 9.2 8.0 92 1.2 8.5 75 8 310.5 312.3 294.2 339.5 9.44 9 700 3129 8.8 7.1 89 1.7 7.8 85 8 312.2 314.0 294.4 340.3 9.08 10 681 3357 8.8 5.9 82 2.9 7.1 96 11 314.7 316.3 294.7 341.5 8.59 11 555 5029 0.0 -4.8 70 4.8 -2.4 107 19 323.2 324.2 294.1 339.1 4.83 12 542 5219 -1.1 -8.1 59 7.0 -4.3 106 20 324.1 324.9 293.5 336.9 3.83 13 538 5278 -1.5 -5.7 73 4.2 -3.6 106 20 324.3 325.3 294.3 339.7 4.65 14 508 5734 -3.9 -9.9 63 6.0 -6.5 105 22 326.8 327.5 294.0 338.7 3.55 15 500 5860 -4.5 -8.5 74 4.0 -6.4 105 22 327.6 328.4 294.6 341.1 4.03 16 497 5907 -5.1 -7.9 81 2.8 -6.4 105 22 327.4 328.2 294.7 341.6 4.25 17 483 6131 -6.1 -12.1 62 6.0 -8.6 105 22 328.8 329.5 294.2 339.5 3.13 18 463 6461 -7.9 -12.6 69 4.7 -9.9 105 21 330.6 331.2 294.6 341.4 3.14 19 453 6630 -8.9 -17.9 48 9.0 -12.1 105 21 331.4 331.8 294.0 338.6 2.07 20 447 6733 -9.7 -17.7 52 8.0 -12.6 105 21 331.7 332.1 294.1 339.1 2.13 21 437 6908 -10.3 -23.3 34 13.0 -14.3 105 21 333.1 333.3 293.8 337.9 1.34 22 422 7176 -11.7 -25.7 30 14.0 -15.7 105 20 334.6 334.8 294.0 338.7 1.12 23 419 7230 -12.1 -23.1 39 11.0 -15.4 105 20 334.8 335.1 294.3 339.9 1.42 24 411 7378 -13.1 -21.1 51 8.0 -15.7 105 20 335.3 335.7 294.7 341.5 1.73 TRP WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 555.00 mb = 5028.71 m = 16498.20 ft Wetbulb zero: 586.82 mb = 4573.27 m = 15004.00 ft Precipitable water: 2.24 inches Sfc-500 mean rel hum: 82.20 % Est. max temperature: 31.80 C = 89.24 F Sfc-Lift cond lev (LCL): 965.19 mb = 384.50 m = 1261.46 ft T: 25.08 C 700-500 lapse rate: 4.87 C/km ThetaE index: 8.32 C Layer 717.0- 700.0 mb Conv cond level (CCL): 875.22 mb = 1236.17 m = 4055.64 ft Mean mixing ratio: 16.20 g/kg Conv temperature: 31.26 C = 88.28 F Cap Strength: 1.65 C Lifted Index: -1.06 C Risk: Thunderstorms probable Lifted Index @700 mb: -1.42 C Showalter Index: -0.77 C Risk: Thunderstorms probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 21.50 C K Index: 37.40 Risk: > 80 % chance of thunderstorms Sweat Index: 238.00 Risk: None Energy Index: -1.38 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 208.35 J/kg Max Up Vert Vel: 20.41 m/s Conv Inhibition (B-): 34.52 J/kg Cap Strength: 1.65 C Lift Cond Lev (LCL): 911.30 mb = 887.66 m = 2912.25 ft Lev Free Conv (LFC): 836.30 mb = 1625.57 m = 5333.16 ft Wind level data Storm motion: 132 at 9 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 1008 1 140 1 -0.6 0.8 | 310 8 5.9 -5.0 1 1000 71 90 5 -5.0 0.0 | 345 6 1.5 -5.8 2 974 305 330 3 1.5 -2.6 | 316 12 8.0 -8.4 3 941 610 285 9 8.7 -2.3 | 298 17 15.2 -8.1 4 925 759 275 10 10.0 -0.9 | 292 18 16.5 -6.7 5 850 1488 285 6 5.8 -1.6 | 301 14 12.3 -7.3 6 846 1524 285 6 5.8 -1.6 | 301 14 12.3 -7.3 7 816 1829 25 2 -0.8 -1.8 | 323 10 5.7 -7.6 8 707 3048 80 9 -8.9 -1.6 | 18 8 -2.3 -7.4 9 700 3129 85 8 -8.0 -0.7 | 12 7 -1.4 -6.5 10 656 3658 110 15 -14.1 5.1 | 85 8 -7.6 -0.7 11 500 5860 105 22 -21.3 5.7 | 90 15 -14.7 -0.1 12 410 7315 105 20 -19.3 5.2 | 87 13 -12.8 -0.6 Wind Parameters Mean winds (0-6000m): 101.5 at 11.7 knts Storm direction: 131.5 at 8.7 knts Shear (0-3000m) pos: 2.0 neg: 0.6 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 64.2 deg Storm rel helicity (0-3000m) pos: 56.1 neg: -40.4 tot: 15.7 m^2/s^2 ave: 5.2 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 1.5 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 8.48 Bulk Shear: 24.56 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 ------------------------------------------------------------------------------- 500 353 4 325 12| 8.0 0.0 8.0| 8.4 -21.7 -13.3 -26.6 -0.17| 16.5 -2.9 1000 288 7 302 15| 4.0 1.8 5.8| 11.8 -40.4 -28.7 -28.7 -0.29| 11.3 -3.2 1500 285 7 300 15| 2.0 1.2 3.2| 18.2 -40.4 -22.2 -14.8 -0.19| 8.5 -1.6 2000 289 6 302 15| 1.7 0.9 2.6| 39.0 -40.4 -1.5 -0.7 0.04| 8.6 0.4 2500 302 6 308 14| 1.9 0.7 2.7| 47.4 -40.4 7.0 2.8 0.13| 7.6 1.0 3000 325 6 317 15| 2.0 0.6 2.6| 56.1 -40.4 15.7 5.2 0.21| 7.0 1.5 4000 77 8 7 8| 2.2 0.5 2.7| 71.3 -40.5 30.8 7.7 0.33| 6.6 2.2 5000 98 10 34 5| 1.8 0.3 2.1| 72.4 -40.5 31.9 6.4 0.32| 5.6 1.8 6000 102 12 55 6| 1.5 0.4 1.8| 72.8 -40.7 32.1 5.3 0.31| 4.9 1.5 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251018.00.gif