UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102112.upa.cvt Date: 1200Z 21 OCT 25 Searching for VO466... Searching the city database file for: VO466 ... Date:1200Z 21 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 5 27.8 24.9 84 2.9 25.6 280 2 300.4 304.1 298.6 359.5 20.08 1 1000 58 27.0 23.2 80 3.8 24.2 270 5 300.1 303.5 297.4 353.5 18.19 2 953 479 22.8 22.1 96 0.7 22.3 258 12 300.1 303.3 297.1 352.3 17.84 3 925 738 21.2 19.0 87 2.2 19.6 250 17 301.0 303.8 295.6 345.4 15.12 4 850 1470 17.2 15.4 89 1.8 16.0 250 21 304.2 306.6 295.0 343.1 13.06 5 819 1786 15.4 13.9 91 1.5 14.4 255 19 305.5 307.8 294.8 342.3 12.28 6 760 2418 13.4 10.4 82 3.0 11.5 237 15 309.9 311.9 294.8 342.0 10.48 7 700 3106 9.6 6.8 83 2.8 7.9 235 13 313.1 314.8 294.5 340.7 8.90 8 673 3431 7.4 6.0 91 1.4 6.5 244 12 314.2 315.9 294.7 341.5 8.75 9 657 3630 7.6 3.8 77 3.8 5.4 249 12 316.6 318.1 294.5 340.8 7.68 10 624 4052 4.4 3.6 95 0.8 3.9 227 12 317.6 319.2 295.0 342.9 7.97 11 550 5072 0.0 -1.7 88 1.7 -0.9 223 19 324.1 325.3 295.3 344.2 6.16 12 501 5814 -4.5 -4.9 97 0.4 -4.7 196 18 327.4 328.4 295.5 345.0 5.31 13 500 5830 -4.7 -5.1 97 0.4 -4.9 195 18 327.3 328.4 295.4 344.7 5.24 14 448 6689 -8.9 -12.9 73 4.0 -10.6 208 21 332.5 333.1 295.1 343.4 3.16 15 407 7428 -12.7 -14.8 84 2.1 -13.5 231 15 336.8 337.4 296.0 347.3 2.98 16 400 7560 -13.7 -15.0 90 1.3 -14.2 235 14 337.2 337.8 296.1 347.7 2.98 17 346 8650 -20.9 -22.7 85 1.8 -21.4 218 9 341.7 342.1 296.3 348.2 1.78 18 300 9690 -28.7 -31.9 74 3.2 -29.3 175 11 344.9 345.1 296.3 348.3 0.88 19 257 10771 -37.7 -40.4 76 2.7 -38.0 116 12 347.3 347.4 296.4 349.0 0.44 20 250 10960 -39.3 -42.7 70 3.4 -39.6 80 18 347.6 347.7 296.4 349.1 0.35 21 239 11267 -42.1 -51.1 37 9.0 -42.7 83 17 347.9 348.0 296.3 348.5 0.15 22 229 11556 -44.5 -50.5 51 6.0 -44.9 76 21 348.5 348.6 296.4 349.2 0.16 23 224 11704 -45.7 -54.7 36 9.0 -46.2 73 22 348.9 348.9 296.5 349.3 0.10 24 200 12450 -51.9 -57.9 48 6.0 -52.1 55 31 350.6 350.6 296.8 350.9 0.08 25 185 12948 -55.9 -60.3 58 4.4 -56.0 51 30 352.0 352.0 297.1 352.3 0.06 26 157 13965 -65.1 -68.9 59 3.8 -65.1 65 35 353.3 353.3 297.4 353.4 0.02 27 150 14240 -67.7 -72.2 53 4.5 -67.7 70 37 353.5 353.5 297.4 353.5 0.01 28 143 14526 -70.3 -76.3 41 6.0 -70.4 75 39 353.8 353.8 297.4 353.8 0.01 29 121 15498 -78.7 -83.1 48 4.4 -78.7 94 44 355.7 355.7 297.8 355.8 0.00 30 108 16141 -81.1 -86.1 43 5.0 -81.1 363.0 363.0 299.2 363.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5772.00 m Freezing level: 550.00 mb = 5072.34 m = 16641.32 ft Wetbulb zero: 563.96 mb = 4869.67 m = 15976.42 ft Precipitable water: 2.43 inches Sfc-500 mean rel hum: 88.26 % Est. max temperature: 31.27 C = 88.29 F Sfc-Lift cond lev (LCL): 965.06 mb = 369.38 m = 1211.86 ft T: 23.90 C 700-500 lapse rate: 5.25 C/km ThetaE index: 18.81 C Layer 1000.0- 673.0 mb Conv cond level (CCL): 915.62 mb = 826.19 m = 2710.56 ft Mean mixing ratio: 17.02 g/kg Conv temperature: 28.74 C = 83.73 F Cap Strength: 0.40 C Lifted Index: -1.91 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.59 C Lifted Index @700 mb: -1.14 C Showalter Index: 0.85 C Risk: Thunderstorms probable Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 20.10 C K Index: 34.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 244.80 Risk: None Energy Index: 0.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 382.09 J/kg Max Up Vert Vel: 27.64 m/s Conv Inhibition (B-): 1.77 J/kg Cap Strength: 0.40 C Lift Cond Lev (LCL): 927.80 mb = 711.78 m = 2335.20 ft Lev Free Conv (LFC): 892.80 mb = 1044.70 m = 3427.46 ft Equ Level (EL): 212.80 mb = 12041.31 m = 39505.13 ft B at Equ Level: 381.24 J/kg Wind level data Storm motion: 264 at 12 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 5 280 2 2.0 -0.3 | 81 10 -9.6 -1.5 1 1000 58 270 5 5.0 -0.0 | 80 7 -6.6 -1.2 2 925 738 250 17 16.0 5.8 | 224 6 4.4 4.6 3 906 914 245 19 17.2 8.0 | 220 9 5.7 6.9 4 850 1470 250 21 19.7 7.2 | 234 10 8.2 6.0 5 786 2134 260 17 16.7 3.0 | 251 5 5.2 1.8 6 758 2438 235 15 12.3 8.6 | 186 7 0.7 7.4 7 700 3106 235 13 10.6 7.5 | 172 6 -0.9 6.3 8 654 3658 250 12 11.3 4.1 | 175 3 -0.3 2.9 9 584 4572 195 13 3.4 12.6 | 144 14 -8.2 11.4 10 562 4877 230 19 14.6 12.2 | 195 11 3.0 11.0 11 500 5830 195 18 4.7 17.4 | 157 18 -6.9 16.2 12 465 6401 200 23 7.9 21.6 | 170 21 -3.7 20.4 13 400 7560 235 14 11.5 8.0 | 179 7 -0.1 6.9 14 365 8230 230 11 8.4 7.1 | 152 7 -3.1 5.9 15 351 8534 225 8 5.7 5.7 | 127 7 -5.9 4.5 16 337 8839 205 11 4.6 10.0 | 142 11 -6.9 8.8 17 323 9144 175 7 -0.6 7.0 | 116 13 -12.2 5.8 18 310 9449 170 10 -1.7 9.8 | 123 16 -13.3 8.7 19 300 9690 175 11 -1.0 11.0 | 128 16 -12.5 9.8 20 297 9754 170 10 -1.7 9.8 | 123 16 -13.3 8.7 21 272 10363 175 14 -1.2 13.9 | 135 18 -12.8 12.8 22 261 10668 135 9 -6.4 6.4 | 106 19 -17.9 5.2 23 250 10960 80 18 -17.7 -3.1 | 82 30 -29.3 -4.3 24 250 10973 90 14 -14.0 0.0 | 87 26 -25.6 -1.2 25 200 12450 55 31 -25.4 -17.8 | 63 42 -37.0 -18.9 26 199 12497 55 29 -23.8 -16.6 | 63 40 -35.3 -17.8 27 180 13106 50 30 -23.0 -19.3 | 59 40 -34.5 -20.5 28 150 14240 70 37 -34.8 -12.7 | 73 48 -46.3 -13.8 29 120 15545 95 44 -43.8 3.8 | 93 55 -55.4 2.7 30 114 15850 105 56 -54.1 14.5 | 101 67 -65.7 13.3 31 108 16154 105 66 -63.8 17.1 | 102 77 -75.3 15.9 Wind Parameters Mean winds (0-6000m): 234.2 at 15.5 knts Storm direction: 264.2 at 11.6 knts Shear (0-3000m) pos: 0.7 neg: 2.6 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 93.1 deg Storm rel helicity (0-3000m) pos: 12.5 neg: -14.6 tot: -2.0 m^2/s^2 ave: -0.7 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 0.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 36.76 Bulk Shear: 10.39 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 ------------------------------------------------------------------------------- 500 261 8 92 3| 0.0 11.4 11.4| 1.5 -0.3 1.2 2.5 0.32| 11.8 3.8 1000 252 13 188 3| 0.0 9.1 9.1| 3.0 -1.3 1.8 1.8 0.23| 9.7 2.3 1500 250 15 214 5| 0.8 6.1 6.8| 8.3 -1.3 7.0 4.7 0.31| 7.3 2.2 2000 251 16 223 6| 1.1 4.6 5.6| 12.0 -1.3 10.7 5.4 0.33| 6.5 2.1 2500 251 16 222 6| 0.9 3.4 4.3| 12.5 -12.3 0.2 0.1 0.05| 6.8 0.3 3000 249 16 215 6| 0.7 2.6 3.3| 12.5 -14.6 -2.0 -0.7 0.01| 5.9 0.1 4000 247 15 205 5| 0.9 2.2 3.1| 12.9 -16.5 -3.6 -0.9 -0.02| 5.4 -0.1 5000 241 15 193 6| 1.1 2.0 3.1| 47.1 -27.9 19.2 3.8 0.09| 6.3 0.6 6000 234 15 187 8| 0.9 2.2 3.1| 52.2 -58.9 -6.7 -1.1 -0.02| 6.2 -0.1 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251021.12.gif