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 VO466... Searching the city database file for: VO466 ... Date:0000Z 19 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 1006 9 24.6 21.7 84 2.9 22.5 95 1 297.2 300.2 295.5 344.9 16.46 1 1000 61 24.8 23.7 94 1.1 24.0 50 3 298.0 301.4 297.2 352.5 18.76 2 976 275 24.8 22.8 89 2.0 23.3 173 2 300.0 303.4 297.4 353.3 18.19 3 925 747 22.2 20.0 87 2.2 20.6 260 6 302.0 305.0 296.5 349.6 16.11 4 867 1311 19.8 16.5 81 3.3 17.5 302 1 305.2 307.7 295.8 346.2 13.75 5 850 1482 18.8 16.2 85 2.6 17.0 50 2 305.8 308.4 296.0 347.1 13.76 6 801 1991 15.2 14.3 94 0.9 14.6 97 4 307.2 309.7 295.8 346.2 12.90 7 722 2869 11.8 8.5 80 3.3 9.7 96 7 312.8 314.6 295.0 342.8 9.70 8 700 3128 10.4 6.9 79 3.5 8.2 90 8 314.0 315.7 294.8 341.9 8.96 9 656 3668 7.4 1.4 66 6.0 4.1 75 12 316.5 317.7 293.6 337.0 6.47 10 565 4886 0.0 -1.7 88 1.7 -0.9 87 15 321.6 322.8 294.6 341.0 5.99 11 500 5860 -4.7 -6.5 87 1.8 -5.6 80 18 327.3 328.2 295.0 343.0 4.71 12 483 6132 -6.3 -7.8 89 1.5 -7.0 80 17 328.6 329.5 295.1 343.4 4.41 13 449 6702 -9.1 -13.4 71 4.3 -10.8 90 17 332.0 332.6 294.9 342.5 3.03 14 406 7477 -14.1 -16.1 85 2.0 -14.9 79 13 335.2 335.8 295.4 344.6 2.68 15 400 7590 -14.7 -16.6 85 1.9 -15.4 80 13 335.9 336.4 295.6 345.1 2.61 16 351 8568 -20.5 -24.8 68 4.3 -21.7 81 15 340.8 341.2 295.8 346.2 1.46 17 300 9710 -29.3 -32.8 72 3.5 -29.9 120 13 344.1 344.3 296.0 347.2 0.81 18 270 10451 -35.1 -39.5 64 4.4 -35.7 126 15 346.2 346.3 296.2 348.0 0.46 19 250 10980 -39.7 -44.0 63 4.3 -40.1 130 16 347.0 347.1 296.3 348.3 0.31 20 200 12460 -52.5 -57.3 56 4.8 -52.7 110 21 349.6 349.6 296.6 350.0 0.08 21 150 14240 -69.5 -73.9 53 4.4 -69.5 90 27 350.4 350.4 296.7 350.4 0.01 22 148 14320 -70.1 -74.6 52 4.5 -70.1 88 27 350.7 350.7 296.8 350.7 0.01 23 100 16550 -86.9 -90.7 50 3.8 -86.9 75 44 359.8 359.8 298.7 359.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5799.00 m Freezing level: 565.00 mb = 4885.62 m = 16028.73 ft Wetbulb zero: 581.77 mb = 4647.09 m = 15246.18 ft Precipitable water: 2.39 inches Sfc-500 mean rel hum: 83.43 % Est. max temperature: 32.97 C = 91.35 F Sfc-Lift cond lev (LCL): 964.69 mb = 377.87 m = 1239.71 ft T: 24.24 C 700-500 lapse rate: 5.53 C/km ThetaE index: 10.07 C Layer 801.0- 565.0 mb Conv cond level (CCL): 875.61 mb = 1224.67 m = 4017.89 ft Mean mixing ratio: 17.20 g/kg Conv temperature: 32.04 C = 89.68 F Cap Strength: 1.22 C Lifted Index: -2.20 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.60 C Lifted Index @700 mb: -0.52 C Showalter Index: -0.68 C Risk: Thunderstorms probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 20.90 C K Index: 36.20 Risk: > 80 % chance of thunderstorms Sweat Index: 216.40 Risk: None Energy Index: -0.85 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 655.23 J/kg Max Up Vert Vel: 36.20 m/s Conv Inhibition (B-): 35.05 J/kg Cap Strength: 1.22 C Lift Cond Lev (LCL): 927.97 mb = 718.87 m = 2358.46 ft Lev Free Conv (LFC): 822.97 mb = 1758.80 m = 5770.28 ft Equ Level (EL): 142.97 mb = 14516.57 m = 47625.98 ft B at Equ Level: 650.65 J/kg Wind level data Storm motion: 116 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 1006 9 95 1 -1.0 0.1 | 299 6 5.3 -2.9 1 1000 61 50 3 -2.3 -1.9 | 321 6 4.0 -5.0 2 973 305 190 2 0.3 2.0 | 279 7 6.6 -1.1 3 940 610 260 7 6.9 1.2 | 278 13 13.2 -1.8 4 925 747 260 6 5.9 1.0 | 279 12 12.2 -2.0 5 876 1219 245 1 0.9 0.4 | 290 8 7.2 -2.6 6 850 1482 50 2 -1.5 -1.3 | 312 6 4.8 -4.3 7 846 1524 55 2 -1.6 -1.1 | 312 6 4.6 -4.2 8 787 2134 110 4 -3.8 1.4 | 303 3 2.5 -1.7 9 759 2438 75 9 -8.7 -2.3 | 24 6 -2.4 -5.4 10 707 3048 105 6 -5.8 1.6 | 342 2 0.5 -1.5 11 700 3128 90 8 -8.0 0.0 | 30 3 -1.7 -3.0 12 681 3353 100 10 -9.8 1.7 | 70 4 -3.6 -1.3 13 656 3658 75 12 -11.6 -3.1 | 41 8 -5.3 -6.1 14 544 5182 90 16 -16.0 0.0 | 73 10 -9.7 -3.0 15 500 5860 80 18 -17.7 -3.1 | 62 13 -11.4 -6.2 16 466 6401 80 15 -14.8 -2.6 | 56 10 -8.5 -5.6 17 448 6706 90 17 -17.0 0.0 | 74 11 -10.7 -3.0 18 431 7010 75 14 -13.5 -3.6 | 47 10 -7.2 -6.6 19 400 7590 80 13 -12.8 -2.3 | 51 8 -6.5 -5.3 20 398 7620 80 17 -16.7 -3.0 | 60 12 -10.5 -6.0 21 352 8534 80 15 -14.8 -2.6 | 56 10 -8.5 -5.6 22 338 8839 95 15 -14.9 1.3 | 79 9 -8.7 -1.7 23 311 9449 105 16 -15.5 4.1 | 97 9 -9.2 1.1 24 300 9710 120 13 -11.3 6.5 | 125 6 -5.0 3.5 25 250 10980 130 16 -12.3 10.3 | 141 9 -6.0 7.3 26 228 11582 130 16 -12.3 10.3 | 141 9 -6.0 7.3 27 200 12460 110 21 -19.7 7.2 | 107 14 -13.4 4.2 28 150 14240 90 27 -27.0 0.0 | 82 21 -20.7 -3.0 29 126 15240 70 27 -25.4 -9.2 | 57 23 -19.1 -12.3 30 113 15850 65 41 -37.2 -17.3 | 57 37 -30.9 -20.4 31 100 16550 75 44 -42.5 -11.4 | 68 39 -36.2 -14.4 32 86 17374 75 29 -28.0 -7.5 | 64 24 -21.7 -10.5 33 81 17678 90 13 -13.0 0.0 | 66 7 -6.7 -3.0 34 73 18288 140 12 -7.7 9.2 | 167 6 -1.4 6.2 35 69 18593 260 10 9.8 1.7 | 275 16 16.1 -1.3 36 65 18898 250 9 8.5 3.1 | 270 15 14.7 0.1 37 61 19202 250 16 15.0 5.5 | 263 21 21.3 2.4 38 58 19507 290 14 13.2 -4.8 | 292 21 19.4 -7.8 Wind Parameters Mean winds (0-6000m): 85.7 at 9.3 knts Storm direction: 115.7 at 7.0 knts Shear (0-3000m) pos: 0.6 neg: 0.9 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 52.0 deg Storm rel helicity (0-3000m) pos: 22.6 neg: -8.1 tot: 14.5 m^2/s^2 ave: 4.8 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 1.1 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 42.16 Bulk Shear: 15.54 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 ------------------------------------------------------------------------------- 500 200 3 272 7| 6.3 0.0 6.3| 2.7 -6.6 -3.9 -7.8 -0.25| 11.3 -2.8 1000 253 4 280 10| 2.1 0.0 2.1| 10.1 -6.6 3.5 3.5 -0.02| 9.1 -0.2 1500 256 3 283 10| 0.5 0.0 0.5| 18.9 -6.6 12.3 8.2 0.16| 8.3 1.3 2000 251 3 282 10| 0.7 0.0 0.7| 19.5 -6.9 12.6 6.3 0.15| 6.9 1.0 2500 116 4 296 3| 0.5 1.1 1.7| 22.6 -7.2 15.3 6.1 0.23| 6.9 1.6 3000 95 4 325 3| 0.6 0.9 1.5| 22.6 -8.1 14.5 4.8 0.17| 6.4 1.1 4000 88 6 355 3| 0.5 1.7 2.2| 27.3 -11.8 15.6 3.9 0.18| 6.2 1.1 5000 86 8 22 4| 0.7 1.4 2.0| 35.3 -11.8 23.6 4.7 0.23| 5.3 1.2 6000 86 9 39 5| 0.6 1.3 1.9| 36.7 -19.2 17.5 2.9 0.18| 4.8 0.9 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251019.00.gif