UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for VO466... Searching the city database file for: VO466 ... Date:1200Z 10 DEC 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 10 27.8 20.8 66 7.0 22.8 20 5 300.3 303.1 295.7 345.7 15.52 1 1000 80 27.2 21.2 70 6.0 22.9 30 7 300.4 303.3 296.1 347.4 16.05 2 977 284 24.8 20.1 75 4.7 21.5 30 14 299.9 302.7 295.4 344.8 15.33 3 961 429 25.2 19.2 69 6.0 21.0 35 16 301.8 304.5 295.6 345.2 14.73 4 925 762 23.2 17.2 69 6.0 19.1 50 19 303.0 305.5 295.0 342.9 13.47 5 850 1494 18.6 14.0 75 4.6 15.5 55 17 305.6 307.8 294.6 341.3 11.91 6 838 1616 18.4 13.4 73 5.0 15.1 56 17 306.7 308.8 294.7 341.6 11.61 7 763 2412 12.4 8.8 79 3.6 10.2 60 14 308.5 310.3 293.6 337.0 9.36 8 700 3132 9.4 5.5 77 3.9 7.1 75 10 312.9 314.4 293.9 338.1 8.12 9 673 3458 7.4 4.1 80 3.3 5.5 72 9 314.2 315.7 293.9 338.1 7.65 10 661 3607 7.8 2.8 71 5.0 4.9 71 8 316.3 317.6 294.0 338.7 7.10 11 558 4987 0.0 -2.7 82 2.7 -1.4 37 19 322.7 323.9 294.6 341.1 5.63 12 500 5860 -5.1 -6.5 90 1.4 -5.8 30 10 326.8 327.8 294.9 342.5 4.71 13 499 5876 -5.1 -6.4 91 1.3 -5.7 30 10 327.0 328.0 295.0 342.8 4.75 14 482 6149 -6.5 -8.8 84 2.3 -7.5 30 9 328.5 329.4 294.8 342.3 4.08 15 471 6330 -6.9 -13.9 57 7.0 -9.7 30 9 330.2 330.8 294.3 339.8 2.77 16 459 6532 -8.3 -19.3 41 11.0 -12.1 24 9 330.9 331.3 293.6 337.3 1.81 17 410 7402 -14.3 -23.3 46 9.0 -17.0 333 14 334.0 334.3 294.1 339.2 1.43 18 400 7590 -15.9 -24.9 46 9.0 -18.4 305 13 334.3 334.6 294.0 338.9 1.27 19 393 7723 -16.9 -20.9 71 4.0 -18.1 297 11 334.7 335.1 294.6 341.3 1.84 20 368 8214 -19.1 -22.9 72 3.8 -20.2 285 8 338.1 338.5 295.3 344.1 1.65 21 300 9700 -30.5 -33.7 73 3.2 -31.0 85 9 342.4 342.5 295.6 345.2 0.74 22 252 10906 -41.1 -43.1 81 2.0 -41.3 141 9 344.2 344.2 295.6 345.5 0.34 23 250 10960 -41.5 -43.3 83 1.8 -41.6 145 9 344.4 344.4 295.7 345.7 0.33 24 211 12085 -51.7 -57.7 49 6.0 -51.9 139 13 345.6 345.6 295.7 345.9 0.07 25 200 12430 -54.9 -59.9 54 5.0 -55.0 130 14 345.8 345.8 295.7 346.1 0.06 26 193 12656 -56.9 -61.1 59 4.2 -57.0 133 17 346.2 346.2 295.8 346.4 0.05 27 172 13379 -60.7 -72.7 19 12.0 -60.8 151 27 351.5 351.5 297.0 351.5 0.01 28 151 14180 -65.5 -81.5 9 16.0 -65.6 170 25 356.6 356.6 298.0 356.6 0.00 29 150 14220 -65.7 -81.7 9 16.0 -65.8 170 24 356.9 356.9 298.1 356.9 0.00 30 100 16580 -83.9 -91.9 23 8.0 -83.9 15 12 365.6 365.6 299.8 365.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5780.00 m Freezing level: 558.00 mb = 4986.88 m = 16360.95 ft Wetbulb zero: 580.94 mb = 4658.61 m = 15283.96 ft Precipitable water: 2.11 inches Sfc-500 mean rel hum: 76.65 % Est. max temperature: 32.89 C = 91.21 F Sfc-Lift cond lev (LCL): 910.64 mb = 897.41 m = 2944.21 ft T: 22.35 C 700-500 lapse rate: 5.32 C/km ThetaE index: 4.62 C Layer 763.0- 700.0 mb Conv cond level (CCL): 812.22 mb = 1881.32 m = 6172.23 ft Mean mixing ratio: 14.58 g/kg Conv temperature: 34.84 C = 94.72 F Cap Strength: 2.81 C Lifted Index: -0.20 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.83 C Lifted Index @700 mb: 0.30 C Showalter Index: 1.15 C Risk: Showers probable Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 19.10 C K Index: 33.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 212.00 Risk: None Energy Index: 0.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.23 J/kg Max Up Vert Vel: 6.82 m/s Conv Inhibition (B-): 138.98 J/kg Cap Strength: 2.81 C Lift Cond Lev (LCL): 880.15 mb = 1192.30 m = 3911.69 ft Lev Free Conv (LFC): 535.15 mb = 5319.57 m = 17452.45 ft Equ Level (EL): 485.15 mb = 6097.60 m = 20005.01 ft B at Equ Level: 19.11 J/kg Max Parcel Lev (MPL): 365.15 mb = 8270.57 m = 27134.08 ft Wind level data Storm motion: 78 at 11 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 10 20 5 -1.7 -4.7 | 285 9 8.9 -2.4 1 1000 80 30 7 -3.5 -6.1 | 298 8 7.1 -3.7 2 975 305 30 15 -7.5 -13.0 | 344 11 3.1 -10.7 3 925 762 50 19 -14.6 -12.2 | 22 11 -3.9 -9.9 4 850 1494 55 17 -13.9 -9.8 | 24 8 -3.3 -7.4 5 760 2438 60 14 -12.1 -7.0 | 18 5 -1.5 -4.7 6 733 2743 45 10 -7.1 -7.1 | 323 6 3.5 -4.7 7 707 3048 75 12 -11.6 -3.1 | 52 1 -1.0 -0.8 8 700 3132 75 10 -9.7 -2.6 | 284 1 1.0 -0.2 9 656 3658 70 8 -7.5 -2.7 | 277 3 3.1 -0.4 10 609 4267 50 16 -12.3 -10.3 | 12 8 -1.6 -7.9 11 586 4572 30 17 -8.5 -14.7 | 350 13 2.1 -12.4 12 544 5182 40 20 -12.9 -15.3 | 10 13 -2.2 -13.0 13 504 5791 20 13 -4.4 -12.2 | 328 12 6.2 -9.9 14 500 5860 30 10 -5.0 -8.7 | 318 8 5.6 -6.3 15 466 6401 30 9 -4.5 -7.8 | 312 8 6.1 -5.5 16 448 6706 15 9 -2.3 -8.7 | 307 10 8.3 -6.4 17 431 7010 15 13 -3.4 -12.6 | 325 13 7.3 -10.2 18 414 7315 345 15 3.9 -14.5 | 310 19 14.5 -12.1 19 400 7590 305 13 10.6 -7.5 | 284 22 21.3 -5.1 20 382 7925 285 9 8.7 -2.3 | 270 19 19.3 0.0 21 367 8230 285 8 7.7 -2.1 | 269 18 18.3 0.3 22 352 8534 125 3 -2.5 1.7 | 244 9 8.2 4.1 23 337 8839 85 5 -5.0 -0.4 | 251 6 5.6 1.9 24 300 9700 85 9 -9.0 -0.8 | 227 2 1.7 1.6 25 285 10058 95 9 -9.0 0.8 | 208 4 1.7 3.1 26 273 10363 130 7 -5.4 4.5 | 218 9 5.3 6.8 27 261 10668 125 10 -8.2 5.7 | 197 8 2.4 8.1 28 250 10960 145 9 -5.2 7.4 | 209 11 5.5 9.7 29 250 10973 130 11 -8.4 7.1 | 193 10 2.2 9.4 30 238 11278 160 11 -3.8 10.3 | 208 14 6.9 12.7 31 200 12430 130 14 -10.7 9.0 | 179 11 -0.1 11.3 32 179 13106 140 24 -15.4 18.4 | 167 21 -4.8 20.7 33 163 13716 165 32 -8.3 30.9 | 184 33 2.3 33.2 34 150 14220 170 24 -4.2 23.6 | 194 27 6.5 26.0 35 133 14935 170 20 -3.5 19.7 | 198 23 7.1 22.0 36 119 15545 135 4 -2.8 2.8 | 236 9 7.8 5.2 37 113 15850 50 4 -3.1 -2.6 | 272 8 7.6 -0.2 38 108 16154 30 14 -7.0 -12.1 | 340 10 3.6 -9.8 39 100 16580 15 12 -3.1 -11.6 | 321 12 7.5 -9.3 40 97 16764 15 11 -2.8 -10.6 | 317 11 7.8 -8.3 41 92 17069 60 17 -14.7 -8.5 | 34 7 -4.1 -6.2 42 78 17983 95 24 -23.9 2.1 | 108 14 -13.3 4.4 43 74 18288 180 12 0.0 12.0 | 217 18 10.6 14.3 44 70 18593 65 9 -8.2 -3.8 | 301 3 2.5 -1.5 45 66 18898 150 4 -2.0 3.5 | 236 10 8.6 5.8 46 63 19202 175 9 -0.8 9.0 | 221 15 9.8 11.3 47 59 19507 355 3 0.3 -3.0 | 273 11 10.9 -0.6 48 56 19812 65 12 -10.9 -5.1 | 5 3 -0.3 -2.7 49 53 20117 105 14 -13.5 3.6 | 154 7 -2.9 6.0 50 45 21031 100 14 -13.8 2.4 | 146 6 -3.2 4.8 51 43 21336 90 32 -32.0 0.0 | 96 22 -21.4 2.3 52 35 22555 105 39 -37.7 10.1 | 115 30 -27.1 12.4 53 33 22860 95 39 -38.9 3.4 | 101 29 -28.2 5.7 Wind Parameters Mean winds (0-6000m): 47.6 at 14.5 knts Storm direction: 77.6 at 10.9 knts Shear (0-3000m) pos: 2.0 neg: 0.4 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 94.6 deg Storm rel helicity (0-3000m) pos: 44.5 neg: -7.0 tot: 37.5 m^2/s^2 ave: 12.5 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 2.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 9.97 Bulk Shear: 2.33 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 32 12 333 9| 12.5 0.0 12.5| 30.3 0.0 30.3 60.5 0.92| 13.7 12.6 1000 42 15 357 9| 7.4 0.0 7.4| 42.1 0.0 42.1 42.1 0.91| 9.3 8.5 1500 46 16 6 9| 4.5 0.0 4.5| 42.6 0.0 42.6 28.4 0.84| 6.8 5.7 2000 49 16 10 8| 3.0 0.0 3.0| 42.6 -0.5 42.2 21.1 0.76| 5.6 4.2 2500 51 16 12 8| 2.4 0.5 2.9| 42.6 -2.7 40.0 16.0 0.61| 5.0 3.1 3000 51 15 9 7| 2.0 0.4 2.4| 44.5 -7.0 37.5 12.5 0.43| 5.6 2.4 4000 55 14 5 6| 1.1 0.4 1.5| 47.6 -7.5 40.2 10.0 0.39| 5.4 2.1 5000 51 14 4 7| 1.1 1.1 2.2| 58.4 -16.7 41.8 8.4 0.31| 5.6 1.7 6000 48 14 1 7| 0.8 0.9 1.7| 61.3 -48.7 12.6 2.1 0.11| 5.7 0.6 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251210.12.gif