UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101100.upa.cvt Date: 0000Z 11 OCT 25 Searching for VO466... Searching the city database file for: VO466 ... Date:0000Z 11 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 1009 3 25.8 19.8 70 6.0 21.6 135 1 298.2 300.8 294.4 340.4 14.55 1 1008 11 26.0 24.3 90 1.7 24.7 132 1 298.5 302.0 297.7 354.8 19.31 2 1000 81 25.4 23.6 90 1.8 24.1 105 4 298.5 301.9 297.3 352.9 18.65 3 925 765 21.6 19.9 90 1.7 20.4 220 13 301.4 304.3 296.3 348.5 16.01 4 850 1492 17.4 14.6 84 2.8 15.5 235 16 304.4 306.7 294.6 341.3 12.39 5 833 1665 17.0 12.3 74 4.7 14.0 240 15 305.7 307.7 293.9 338.3 10.85 6 815 1852 15.6 14.6 94 1.0 15.0 244 14 306.1 308.6 295.5 345.0 12.93 7 765 2391 13.8 13.3 97 0.5 13.5 259 12 309.8 312.2 296.3 348.4 12.66 8 721 2890 9.6 5.0 73 4.6 6.9 240 11 310.5 311.9 292.7 333.9 7.61 9 716 2948 11.8 4.8 62 7.0 7.6 240 10 313.5 315.0 293.6 337.1 7.55 10 700 3138 11.2 2.2 54 9.0 6.1 240 7 314.9 316.1 293.1 335.1 6.42 11 678 3404 10.0 1.0 54 9.0 5.0 222 7 316.4 317.6 293.3 335.7 6.08 12 565 4891 0.0 -6.0 64 6.0 -2.9 94 4 321.6 322.4 293.3 335.8 4.33 13 543 5209 -1.7 -4.4 82 2.7 -3.1 163 6 323.2 324.3 294.3 339.9 5.09 14 500 5860 -6.1 -8.3 84 2.2 -7.1 230 3 325.6 326.4 294.1 339.2 4.09 15 470 6344 -8.5 -13.5 67 5.0 -10.5 159 3 328.4 329.0 293.9 338.2 2.87 16 451 6664 -10.9 -14.4 75 3.5 -12.2 146 6 329.3 329.9 294.0 338.9 2.78 17 439 6871 -12.3 -15.0 80 2.7 -13.3 142 8 330.1 330.6 294.2 339.5 2.72 18 429 7047 -12.7 -20.7 51 8.0 -15.3 135 9 331.8 332.1 293.8 337.8 1.71 19 406 7467 -15.3 -25.3 42 10.0 -18.0 82 12 333.7 333.9 293.9 338.0 1.20 20 400 7580 -15.9 -22.9 55 7.0 -18.0 80 14 334.3 334.6 294.3 339.8 1.52 21 367 8221 -20.1 -24.5 68 4.4 -21.3 73 16 337.1 337.4 294.8 342.3 1.43 22 346 8654 -22.5 -32.5 40 10.0 -24.5 72 16 339.5 339.7 294.8 342.3 0.72 23 300 9680 -31.1 -40.1 41 9.0 -32.3 90 11 341.5 341.6 295.1 343.1 0.39 24 265 10537 -38.5 -42.4 67 3.9 -38.9 100 14 343.1 343.1 295.4 344.4 0.34 25 250 10930 -41.9 -46.6 60 4.7 -42.3 105 16 343.8 343.8 295.4 344.7 0.23 26 235 11345 -45.5 -50.3 58 4.8 -45.8 105 15 344.5 344.5 295.6 345.1 0.16 27 221 11752 -48.5 -57.5 34 9.0 -48.8 103 17 345.9 346.0 295.8 346.3 0.07 28 200 12400 -53.9 -62.9 32 9.0 -54.1 95 27 347.4 347.4 296.1 347.6 0.04 29 159 13830 -66.3 -74.3 32 8.0 -66.4 105 39 350.0 350.0 296.6 350.0 0.01 30 150 14180 -69.3 -77.3 30 8.0 -69.4 110 43 350.7 350.7 296.8 350.7 0.01 31 144 14424 -68.1 -78.1 23 10.0 -68.2 112 37 356.9 356.9 298.1 356.9 0.01 32 120 15499 -75.9 -83.9 27 8.0 -75.9 71 34 361.7 361.7 299.0 361.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5779.00 m Freezing level: 565.00 mb = 4891.36 m = 16047.56 ft Wetbulb zero: 606.57 mb = 4312.13 m = 14147.23 ft Precipitable water: 2.20 inches Sfc-500 mean rel hum: 76.32 % Est. max temperature: 31.63 C = 88.94 F Sfc-Lift cond lev (LCL): 924.56 mb = 769.13 m = 2523.36 ft T: 21.58 C 700-500 lapse rate: 6.36 C/km ThetaE index: 16.47 C Layer 1000.0- 815.0 mb Conv cond level (CCL): 909.18 mb = 913.32 m = 2996.42 ft Mean mixing ratio: 17.16 g/kg Conv temperature: 29.63 C = 85.33 F Cap Strength: 0.88 C Lifted Index: -3.31 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.99 C Lifted Index @700 mb: 0.46 C Showalter Index: 0.15 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 20.70 C K Index: 29.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 210.20 Risk: None Energy Index: -0.43 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 999.95 J/kg Max Up Vert Vel: 44.72 m/s Conv Inhibition (B-): 7.81 J/kg Cap Strength: 0.88 C Lift Cond Lev (LCL): 934.39 mb = 676.43 m = 2219.22 ft Lev Free Conv (LFC): 879.39 mb = 1199.79 m = 3936.26 ft Equ Level (EL): 709.39 mb = 3026.03 m = 9927.79 ft B at Equ Level: 47.66 J/kg Wind level data Storm motion: 258 at 6 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 1009 3 135 1 -0.7 0.7 | 86 6 -6.5 -0.5 1 1000 81 105 4 -3.9 1.0 | 89 10 -9.6 -0.2 2 975 305 210 5 2.5 4.3 | 134 5 -3.3 3.1 3 925 765 220 13 8.4 10.0 | 197 9 2.6 8.7 4 909 914 225 15 10.6 10.6 | 207 11 4.8 9.4 5 850 1492 235 16 13.1 9.2 | 223 11 7.3 8.0 6 760 2438 260 12 11.8 2.1 | 262 6 6.1 0.9 7 733 2743 240 14 12.1 7.0 | 228 9 6.4 5.8 8 700 3138 240 7 6.1 3.5 | 187 2 0.3 2.3 9 682 3353 230 7 5.4 4.5 | 173 3 -0.4 3.3 10 656 3658 175 4 -0.3 4.0 | 114 7 -6.1 2.8 11 632 3962 75 2 -1.9 -0.5 | 77 8 -7.7 -1.7 12 586 4572 45 1 -0.7 -0.7 | 74 7 -6.5 -1.9 13 565 4877 95 4 -4.0 0.3 | 85 10 -9.7 -0.9 14 544 5182 165 6 -1.6 5.8 | 122 9 -7.3 4.6 15 524 5486 115 3 -2.7 1.3 | 90 8 -8.5 0.1 16 504 5791 225 2 1.4 1.4 | 93 4 -4.3 0.2 17 500 5860 230 3 2.3 1.9 | 102 4 -3.5 0.7 18 466 6401 150 3 -1.5 2.6 | 101 7 -7.3 1.4 19 431 7010 140 9 -5.8 6.9 | 116 13 -11.5 5.7 20 414 7315 85 10 -10.0 -0.9 | 82 16 -15.7 -2.1 21 400 7580 80 14 -13.8 -2.4 | 79 20 -19.6 -3.6 22 351 8534 70 17 -16.0 -5.8 | 72 23 -21.7 -7.0 23 300 9680 90 11 -11.0 0.0 | 86 17 -16.8 -1.2 24 250 10930 105 16 -15.5 4.1 | 98 21 -21.2 2.9 25 226 11582 105 14 -13.5 3.6 | 97 19 -19.3 2.4 26 200 12400 95 27 -26.9 2.4 | 92 33 -32.7 1.1 27 187 12802 90 29 -29.0 0.0 | 88 35 -34.8 -1.2 28 178 13106 95 32 -31.9 2.8 | 92 38 -37.6 1.6 29 150 14180 110 43 -40.4 14.7 | 106 48 -46.2 13.5 30 146 14326 110 41 -38.5 14.0 | 106 46 -44.3 12.8 31 139 14630 115 29 -26.3 12.3 | 109 34 -32.0 11.0 32 126 15240 85 24 -23.9 -2.1 | 84 30 -29.7 -3.3 33 120 15545 70 35 -32.9 -12.0 | 71 41 -38.7 -13.2 Wind Parameters Mean winds (0-6000m): 228.1 at 7.9 knts Storm direction: 258.1 at 5.9 knts Shear (0-3000m) pos: 2.2 neg: 0.7 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 128.7 deg Storm rel helicity (0-3000m) pos: 47.8 neg: -9.9 tot: 37.8 m^2/s^2 ave: 12.6 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 3.0 10^-3/s Energy-Hel index: 0.27 Bulk Rich Number: 326.54 Bulk Shear: 3.06 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 ------------------------------------------------------------------------------- 500 192 5 128 6| 8.6 0.0 8.6| 16.5 0.0 16.5 32.9 0.68| 14.5 9.8 1000 215 9 173 6| 7.8 0.0 7.8| 28.9 0.0 28.9 28.9 0.70| 11.1 7.8 1500 223 11 195 7| 5.5 0.0 5.5| 35.9 0.0 35.9 24.0 0.74| 8.2 6.1 2000 229 12 206 7| 3.7 0.0 3.7| 43.5 0.0 43.5 21.7 0.74| 7.2 5.3 2500 234 12 215 7| 2.7 0.0 2.7| 47.8 -1.2 46.6 18.6 0.70| 6.5 4.6 3000 236 12 218 7| 2.2 0.7 2.9| 47.8 -9.9 37.8 12.6 0.44| 6.8 3.0 4000 234 10 208 6| 1.7 1.8 3.5| 47.8 -28.9 18.9 4.7 0.09| 7.0 0.7 5000 232 9 195 4| 1.2 1.4 2.5| 58.1 -29.9 28.2 5.6 0.14| 6.3 0.9 6000 228 8 181 4| 1.3 1.1 2.4| 69.9 -40.3 29.6 4.9 0.13| 6.5 0.8 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251011.00.gif