UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for VO466... Searching the city database file for: VO466 ... Date:1200Z 6 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 1010 5 26.2 21.8 77 4.4 23.0 170 1 298.5 301.5 295.8 346.5 16.50 1 1006 40 26.2 22.5 80 3.7 23.5 178 2 298.8 302.0 296.5 349.3 17.30 2 1000 92 26.4 21.6 75 4.8 22.9 190 3 299.5 302.6 296.1 347.6 16.46 3 991 172 27.6 18.6 58 9.0 21.3 206 3 301.5 304.1 294.8 342.0 13.73 4 925 777 23.0 18.3 75 4.7 19.7 325 6 302.8 305.5 295.7 345.6 14.46 5 864 1370 17.8 16.1 90 1.7 16.7 30 9 303.4 305.9 295.1 343.3 13.44 6 850 1510 16.8 16.0 95 0.8 16.3 45 9 303.7 306.3 295.3 344.1 13.58 7 700 3150 9.0 8.3 95 0.7 8.6 115 9 312.5 314.3 295.0 342.9 9.87 8 686 3317 8.6 7.9 95 0.7 8.2 111 11 313.8 315.7 295.3 344.2 9.80 9 590 4547 0.0 -1.5 90 1.5 -0.8 108 13 317.6 318.8 293.4 336.2 5.82 10 570 4823 -2.7 -6.2 77 3.5 -4.3 107 13 317.6 318.4 292.0 331.3 4.22 11 560 4963 -1.5 -4.0 83 2.5 -2.7 107 13 320.6 321.6 293.6 337.1 5.09 12 525 5476 -4.1 -6.3 85 2.2 -5.1 106 14 323.5 324.4 293.9 338.5 4.55 13 503 5813 -6.3 -12.3 62 6.0 -8.8 105 14 324.8 325.4 293.0 334.8 2.96 14 500 5860 -6.7 -12.7 62 6.0 -9.1 105 14 324.9 325.4 292.9 334.6 2.88 15 481 6163 -6.3 -14.3 53 8.0 -9.5 102 10 329.0 329.5 293.8 338.0 2.63 16 461 6494 -8.7 -13.7 67 5.0 -10.7 69 10 330.0 330.6 294.3 339.9 2.88 17 431 7013 -11.9 -19.9 51 8.0 -14.6 70 9 332.4 332.7 294.0 338.8 1.83 18 400 7580 -15.9 -21.9 60 6.0 -17.7 95 13 334.3 334.7 294.4 340.2 1.66 19 396 7656 -16.7 -21.7 65 5.0 -18.2 91 13 334.2 334.6 294.4 340.3 1.70 20 374 8083 -18.9 -29.9 37 11.0 -21.4 107 13 336.8 337.0 294.3 340.0 0.85 21 362 8325 -20.3 -31.3 37 11.0 -22.7 116 13 338.1 338.3 294.6 341.0 0.77 22 354 8490 -21.5 -25.7 69 4.2 -22.6 123 13 338.7 338.9 295.2 343.6 1.33 23 345 8679 -22.5 -31.5 44 9.0 -24.4 127 14 339.8 340.0 295.0 342.8 0.80 24 335 8894 -24.3 -32.3 48 8.0 -25.9 129 17 340.2 340.4 295.1 343.1 0.76 25 331 8981 -24.9 -30.9 57 6.0 -26.1 131 18 340.6 340.8 295.3 343.9 0.88 26 328 9047 -25.3 -29.2 70 3.9 -26.2 132 18 340.9 341.1 295.4 344.8 1.04 27 323 9159 -25.9 -32.9 52 7.0 -27.2 133 19 341.6 341.7 295.4 344.4 0.74 28 311 9432 -27.3 -37.3 38 10.0 -28.9 137 22 343.4 343.5 295.6 345.3 0.50 29 300 9690 -29.1 -35.1 56 6.0 -30.1 140 25 344.4 344.5 295.9 346.9 0.64 30 297 9761 -29.7 -34.6 62 4.9 -30.5 141 23 344.5 344.7 296.0 347.2 0.68 31 288 9979 -31.3 -39.3 45 8.0 -32.4 144 19 345.3 345.4 296.0 347.0 0.44 32 250 10960 -40.1 -48.1 42 8.0 -40.7 190 14 346.4 346.5 296.0 347.3 0.20 33 200 12440 -53.1 -60.1 42 7.0 -53.3 210 22 348.7 348.7 296.4 348.9 0.06 34 163 13726 -64.7 -70.7 43 6.0 -64.8 260 12 350.2 350.2 296.7 350.3 0.02 35 150 14230 -68.5 -74.5 42 6.0 -68.5 310 19 352.1 352.1 297.1 352.1 0.01 36 100 16550 -83.7 -87.8 49 4.1 -83.7 105 6 366.0 366.0 299.8 366.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5768.00 m Freezing level: 590.00 mb = 4547.03 m = 14917.91 ft Wetbulb zero: 598.57 mb = 4429.38 m = 14531.92 ft Precipitable water: 2.24 inches Sfc-500 mean rel hum: 86.26 % Est. max temperature: 31.19 C = 88.15 F Sfc-Lift cond lev (LCL): 947.55 mb = 565.50 m = 1855.30 ft T: 24.61 C 700-500 lapse rate: 5.79 C/km ThetaE index: 7.30 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 853.94 mb = 1470.29 m = 4823.73 ft Mean mixing ratio: 14.48 g/kg Conv temperature: 31.35 C = 88.44 F Cap Strength: 1.37 C Lifted Index: -1.74 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.29 C Lifted Index @700 mb: -0.04 C Showalter Index: -1.56 C Risk: Thunderstorms probable Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 22.70 C K Index: 38.80 Risk: > 80 % chance of thunderstorms Sweat Index: 224.00 Risk: None Energy Index: -1.91 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 159.37 J/kg Max Up Vert Vel: 17.85 m/s Conv Inhibition (B-): 40.31 J/kg Cap Strength: 1.37 C Lift Cond Lev (LCL): 876.40 mb = 1245.87 m = 4087.46 ft Lev Free Conv (LFC): 731.40 mb = 2779.38 m = 9118.60 ft Equ Level (EL): 701.40 mb = 3133.16 m = 10279.26 ft B at Equ Level: 11.93 J/kg Max Parcel Lev (MPL): 261.40 mb = 10651.04 m = 34943.95 ft Wind level data Storm motion: 128 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 1010 5 170 1 -0.2 1.0 | 302 7 5.7 -3.5 1 1000 92 190 3 0.5 3.0 | 284 7 6.3 -1.6 2 925 777 325 6 3.4 -4.9 | 316 13 9.3 -9.4 3 910 914 330 5 2.5 -4.3 | 317 12 8.3 -8.9 4 879 1219 15 8 -2.1 -7.7 | 343 13 3.8 -12.3 5 850 1510 45 9 -6.4 -6.4 | 3 11 -0.5 -10.9 6 849 1524 40 8 -5.1 -6.1 | 356 11 0.7 -10.7 7 819 1829 80 10 -9.8 -1.7 | 33 7 -4.0 -6.3 8 762 2438 115 6 -5.4 2.5 | 349 2 0.4 -2.0 9 735 2743 85 9 -9.0 -0.8 | 31 6 -3.1 -5.3 10 709 3048 120 7 -6.1 3.5 | 13 1 -0.2 -1.0 11 700 3150 115 9 -8.2 3.8 | 73 2 -2.3 -0.7 12 683 3353 110 12 -11.3 4.1 | 86 5 -5.5 -0.4 13 504 5791 105 14 -13.5 3.6 | 83 8 -7.7 -0.9 14 500 5860 105 14 -13.5 3.6 | 83 8 -7.7 -0.9 15 485 6096 110 10 -9.4 3.4 | 73 4 -3.6 -1.1 16 466 6401 70 11 -10.3 -3.8 | 29 9 -4.5 -8.3 17 448 6706 65 9 -8.2 -3.8 | 16 9 -2.3 -8.3 18 431 7010 70 9 -8.5 -3.1 | 19 8 -2.6 -7.6 19 400 7580 95 13 -13.0 1.1 | 65 8 -7.1 -3.4 20 398 7620 90 13 -13.0 0.0 | 58 8 -7.2 -4.5 21 351 8534 125 13 -10.6 7.5 | 121 6 -4.8 2.9 22 300 9690 140 25 -16.1 19.2 | 145 18 -10.2 14.6 23 285 10058 145 17 -9.8 13.9 | 157 10 -3.9 9.4 24 250 10960 190 14 2.4 13.8 | 222 12 8.3 9.3 25 238 11278 190 15 2.6 14.8 | 219 13 8.4 10.2 26 200 12440 210 22 11.0 19.1 | 229 22 16.8 14.5 27 163 13716 260 12 11.8 2.1 | 278 18 17.6 -2.4 28 150 14230 310 19 14.6 -12.2 | 309 26 20.4 -16.7 29 140 14630 310 19 14.6 -12.2 | 309 26 20.4 -16.7 30 113 15850 270 13 13.0 -0.0 | 284 19 18.8 -4.5 31 107 16154 285 13 12.6 -3.4 | 293 20 18.4 -7.9 32 102 16459 295 4 3.6 -1.7 | 303 11 9.5 -6.2 33 100 16550 105 6 -5.8 1.6 | 359 3 0.0 -3.0 34 96 16764 115 4 -3.6 1.7 | 322 4 2.2 -2.8 35 91 17069 105 14 -13.5 3.6 | 83 8 -7.7 -0.9 36 86 17374 85 17 -16.9 -1.5 | 62 13 -11.1 -6.0 37 82 17678 110 25 -23.5 8.6 | 103 18 -17.7 4.0 38 77 17983 145 33 -18.9 27.0 | 150 26 -13.1 22.5 39 73 18288 150 18 -9.0 15.6 | 164 12 -3.2 11.1 40 69 18593 195 8 2.1 7.7 | 248 9 7.9 3.2 41 66 18898 325 3 1.7 -2.5 | 313 10 7.5 -7.0 42 62 19202 80 4 -3.9 -0.7 | 340 6 1.9 -5.2 43 59 19507 40 6 -3.9 -4.6 | 348 9 2.0 -9.1 44 56 19812 65 4 -3.6 -1.7 | 341 7 2.2 -6.2 45 53 20117 90 15 -15.0 0.0 | 64 10 -9.2 -4.5 46 50 20422 110 9 -8.5 3.1 | 61 3 -2.6 -1.5 47 45 21031 90 30 -30.0 0.0 | 79 25 -24.2 -4.5 48 32 22860 85 40 -39.8 -3.5 | 77 35 -34.0 -8.0 Wind Parameters Mean winds (0-6000m): 97.9 at 9.8 knts Storm direction: 127.9 at 7.4 knts Shear (0-3000m) pos: 1.2 neg: 0.0 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 86.0 deg Storm rel helicity (0-3000m) pos: 67.9 neg: -5.8 tot: 62.1 m^2/s^2 ave: 20.7 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 3.3 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 7.46 Bulk Shear: 21.37 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 ------------------------------------------------------------------------------- 500 236 4 286 9| 5.2 0.0 5.2| 5.8 -4.2 1.6 3.2 -0.03| 8.1 -0.3 1000 309 5 308 12| 3.5 0.0 3.5| 27.7 -4.2 23.4 23.4 0.41| 7.9 3.2 1500 353 6 327 12| 3.3 0.0 3.3| 55.1 -4.2 50.9 33.9 0.61| 8.3 5.0 2000 28 7 345 11| 2.2 0.0 2.2| 66.1 -4.2 61.8 30.9 0.61| 8.3 5.0 2500 50 7 355 9| 1.3 0.0 1.3| 66.4 -5.6 60.8 24.3 0.49| 7.6 3.7 3000 63 7 3 8| 1.2 0.0 1.2| 67.9 -5.8 62.1 20.7 0.44| 7.6 3.3 4000 86 8 22 6| 0.9 0.7 1.6| 69.2 -5.9 63.3 15.8 0.43| 6.4 2.8 5000 94 9 39 5| 0.7 0.6 1.3| 69.2 -6.1 63.2 12.6 0.42| 5.2 2.2 6000 98 10 51 5| 0.4 0.6 1.0| 69.2 -7.0 62.2 10.4 0.39| 4.6 1.8 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251206.12.gif