UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101300.upa.cvt Date: 0000Z 13 OCT 25 Searching for VO466... Searching the city database file for: VO466 ... Date:0000Z 13 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 1008 10 24.6 21.0 80 3.6 22.1 270 1 297.1 299.9 294.9 342.5 15.72 1 1000 79 24.6 23.4 93 1.2 23.8 10 2 297.8 301.1 296.9 351.2 18.41 2 980 256 25.0 22.7 87 2.3 23.3 328 5 299.9 303.2 297.2 352.6 18.00 3 925 760 22.0 20.1 89 1.9 20.6 255 9 301.8 304.8 296.5 349.6 16.22 4 850 1494 18.2 16.4 89 1.8 17.0 225 7 305.2 307.8 296.0 346.9 13.94 5 839 1606 17.2 15.9 92 1.3 16.3 220 7 305.3 307.8 295.8 346.2 13.67 6 751 2547 13.6 7.6 67 6.0 9.9 218 6 311.2 312.9 293.9 338.2 8.76 7 700 3137 10.4 5.8 73 4.6 7.6 265 6 314.0 315.6 294.3 339.9 8.29 8 690 3257 9.6 5.7 77 3.9 7.2 265 7 314.4 316.0 294.4 340.5 8.36 9 658 3650 8.0 0.0 57 8.0 3.7 111 4 316.9 318.0 293.2 335.4 5.82 10 645 3814 6.6 1.6 70 5.0 3.8 105 4 317.1 318.4 293.9 338.3 6.68 11 637 3917 6.2 -1.8 56 8.0 2.0 108 4 317.8 318.8 293.0 334.7 5.27 12 615 4204 3.6 0.7 81 2.9 2.0 117 5 318.0 319.3 294.0 338.9 6.56 13 565 4888 0.0 -4.8 70 4.8 -2.4 70 6 321.6 322.5 293.6 337.1 4.74 14 564 4902 -0.3 -4.5 73 4.2 -2.4 69 6 321.4 322.4 293.6 337.2 4.86 15 523 5504 -2.5 -16.5 33 14.0 -7.8 80 8 325.8 326.2 292.4 332.7 2.01 16 504 5797 -4.5 -11.5 58 7.0 -7.5 75 14 326.8 327.4 293.7 337.5 3.15 17 500 5860 -4.9 -10.9 63 6.0 -7.5 70 15 327.1 327.7 293.9 338.3 3.33 18 478 6212 -7.1 -13.1 62 6.0 -9.5 76 16 328.6 329.2 294.0 338.5 2.92 19 432 6994 -10.7 -24.7 31 14.0 -14.8 92 17 333.7 333.9 293.8 338.0 1.19 20 400 7580 -15.1 -27.1 35 12.0 -18.3 105 18 335.4 335.6 294.1 339.2 1.04 21 345 8685 -22.3 -32.3 40 10.0 -24.4 109 21 340.1 340.2 295.0 342.9 0.74 22 317 9303 -26.1 -44.1 17 18.0 -28.5 107 21 343.1 343.2 295.3 344.1 0.24 23 300 9700 -29.5 -48.5 14 19.0 -31.5 105 21 343.8 343.8 295.4 344.4 0.16 24 250 10970 -39.9 -49.9 34 10.0 -40.6 120 7 346.7 346.8 296.1 347.4 0.16 25 247 11052 -40.5 -50.5 33 10.0 -41.2 119 7 347.0 347.1 296.1 347.7 0.15 26 231 11504 -44.5 -57.5 22 13.0 -45.1 109 10 347.7 347.7 296.2 348.0 0.07 27 202 12386 -52.3 -64.3 22 12.0 -52.6 87 17 349.0 349.0 296.4 349.1 0.03 28 200 12450 -52.7 -64.7 22 12.0 -53.0 85 18 349.3 349.3 296.5 349.5 0.03 29 183 13017 -58.1 -64.1 46 6.0 -58.2 89 21 349.5 349.5 296.5 349.7 0.04 30 180 13121 -58.9 -63.2 57 4.3 -59.0 88 22 349.9 349.9 296.7 350.1 0.04 31 173 13369 -60.9 -68.9 34 8.0 -61.0 88 22 350.6 350.6 296.8 350.7 0.02 32 150 14240 -68.7 -74.7 42 6.0 -68.7 85 25 351.7 351.7 297.0 351.8 0.01 33 125 15300 -78.3 -82.8 48 4.5 -78.3 105 33 353.2 353.2 297.3 353.2 0.00 34 100 16570 -77.3 -84.3 32 7.0 -77.3 90 26 378.4 378.4 302.0 378.4 0.00 TRP 125 15300 -78.3 -82.8 48 4.5 -78.3 105 33 353.2 353.2 297.3 353.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5781.00 m Freezing level: 565.00 mb = 4888.08 m = 16036.83 ft Wetbulb zero: 592.11 mb = 4509.78 m = 14795.70 ft Precipitable water: 2.16 inches Sfc-500 mean rel hum: 73.48 % Est. max temperature: 32.38 C = 90.28 F Sfc-Lift cond lev (LCL): 956.59 mb = 466.99 m = 1532.09 ft T: 23.74 C 700-500 lapse rate: 5.62 C/km ThetaE index: 14.42 C Layer 925.0- 700.0 mb Conv cond level (CCL): 892.48 mb = 1070.67 m = 3512.65 ft Mean mixing ratio: 17.11 g/kg Conv temperature: 30.79 C = 87.43 F Cap Strength: 1.18 C Lifted Index: -2.22 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.51 C Lifted Index @700 mb: -0.40 C Showalter Index: -0.82 C Risk: Thunderstorms probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 21.30 C K Index: 34.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 225.80 Risk: None Energy Index: -1.72 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 610.95 J/kg Max Up Vert Vel: 34.96 m/s Conv Inhibition (B-): 23.84 J/kg Cap Strength: 1.18 C Lift Cond Lev (LCL): 929.85 mb = 714.41 m = 2343.83 ft Lev Free Conv (LFC): 834.85 mb = 1647.73 m = 5405.86 ft Equ Level (EL): 784.85 mb = 2172.38 m = 7127.13 ft B at Equ Level: 18.39 J/kg Wind level data Storm motion: 220 at 5 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 10 270 1 1.0 -0.0 | 29 4 -2.1 -3.7 1 1000 79 10 2 -0.3 -2.0 | 31 7 -3.4 -5.7 2 941 610 245 10 9.1 4.2 | 265 6 6.0 0.5 3 925 760 255 9 8.7 2.3 | 284 6 5.6 -1.4 4 909 914 255 8 7.7 2.1 | 290 5 4.6 -1.7 5 850 1494 225 7 4.9 4.9 | 237 2 1.9 1.2 6 817 1829 210 6 3.0 5.2 | 176 1 -0.1 1.5 7 788 2134 230 4 3.1 2.6 | 2 1 -0.0 -1.2 8 760 2438 210 6 3.0 5.2 | 176 1 -0.1 1.5 9 700 3137 265 6 6.0 0.5 | 318 4 2.9 -3.2 10 682 3353 265 7 7.0 0.6 | 309 5 3.9 -3.1 11 656 3658 100 4 -3.9 0.7 | 67 8 -7.0 -3.0 12 609 4267 120 5 -4.3 2.5 | 81 8 -7.4 -1.2 13 586 4572 65 4 -3.6 -1.7 | 51 9 -6.7 -5.4 14 565 4877 70 6 -5.6 -2.1 | 56 10 -8.7 -5.8 15 544 5182 50 5 -3.8 -3.2 | 45 10 -6.9 -6.9 16 524 5486 80 8 -7.9 -1.4 | 65 12 -11.0 -5.1 17 504 5791 75 14 -13.5 -3.6 | 66 18 -16.6 -7.4 18 500 5860 70 15 -14.1 -5.1 | 63 19 -17.2 -8.9 19 466 6401 80 17 -16.7 -3.0 | 71 21 -19.8 -6.7 20 400 7580 105 18 -17.4 4.7 | 93 21 -20.5 0.9 21 398 7620 105 18 -17.4 4.7 | 93 21 -20.5 0.9 22 337 8839 110 21 -19.7 7.2 | 99 23 -22.8 3.4 23 300 9700 105 21 -20.3 5.4 | 94 23 -23.4 1.7 24 273 10363 115 14 -12.7 5.9 | 98 16 -15.8 2.2 25 261 10668 135 11 -7.8 7.8 | 110 12 -10.9 4.0 26 250 10970 120 7 -6.1 3.5 | 89 9 -9.2 -0.2 27 239 11278 115 8 -7.3 3.4 | 88 10 -10.3 -0.4 28 200 12450 85 18 -17.9 -1.6 | 76 22 -21.0 -5.3 29 199 12497 90 20 -20.0 0.0 | 81 23 -23.1 -3.7 30 150 14240 85 25 -24.9 -2.2 | 78 29 -28.0 -5.9 31 133 14935 85 27 -26.9 -2.4 | 79 31 -30.0 -6.1 32 126 15240 90 29 -29.0 0.0 | 83 32 -32.1 -3.7 33 125 15300 105 33 -31.9 8.5 | 98 35 -35.0 4.8 34 120 15545 105 33 -31.9 8.5 | 98 35 -35.0 4.8 35 113 15850 85 26 -25.9 -2.3 | 78 30 -29.0 -6.0 36 108 16154 80 33 -32.5 -5.7 | 75 37 -35.6 -9.5 37 102 16459 95 26 -25.9 2.3 | 87 29 -29.0 -1.5 38 100 16570 90 26 -26.0 0.0 | 83 29 -29.1 -3.7 39 86 17374 115 20 -18.1 8.5 | 103 22 -21.2 4.7 40 81 17678 170 10 -1.7 9.8 | 142 8 -4.8 6.1 41 77 17983 90 10 -10.0 0.0 | 74 14 -13.1 -3.7 42 73 18288 60 17 -14.7 -8.5 | 56 22 -17.8 -12.2 43 69 18593 85 28 -27.9 -2.4 | 79 32 -31.0 -6.2 44 65 18898 75 6 -5.8 -1.6 | 59 10 -8.9 -5.3 45 61 19202 360 10 -0.0 -10.0 | 13 14 -3.1 -13.7 46 58 19507 75 18 -17.4 -4.7 | 68 22 -20.5 -8.4 47 52 20117 90 47 -47.0 0.0 | 86 50 -50.1 -3.7 48 46 20726 125 39 -31.9 22.4 | 118 40 -35.0 18.6 49 35 22250 55 42 -34.4 -24.1 | 53 47 -37.5 -27.8 50 31 22860 80 52 -51.2 -9.0 | 77 56 -54.3 -12.8 51 24 24384 100 56 -55.1 9.7 | 96 59 -58.2 6.0 52 15 26822 90 68 -68.0 0.0 | 87 71 -71.1 -3.7 53 14 27127 85 71 -70.7 -6.2 | 82 74 -73.8 -9.9 54 13 27432 90 66 -66.0 0.0 | 87 69 -69.1 -3.7 55 11 28651 80 58 -57.1 -10.1 | 77 62 -60.2 -13.8 Wind Parameters Mean winds (0-6000m): 189.7 at 6.5 knts Storm direction: 219.7 at 4.9 knts Shear (0-3000m) pos: 0.7 neg: 0.9 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): -80.4 deg Storm rel helicity (0-3000m) pos: 5.4 neg: -30.0 tot: -24.6 m^2/s^2 ave: -8.2 10^-3 m/s^2 rel: -0.37 Storm rel vorticity (0-3000m) horiz: 6.2 stream: -2.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 66.97 Bulk Shear: 9.12 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 ------------------------------------------------------------------------------- 500 284 5 343 5| 0.0 7.7 7.7| 0.0 -20.2 -20.2 -40.4 -0.80| 14.0-11.2 1000 254 7 299 4| 0.0 3.6 3.6| 3.6 -27.0 -23.4 -23.4 -0.61| 10.9 -6.7 1500 248 7 289 4| 0.0 2.2 2.2| 3.6 -29.2 -25.6 -17.0 -0.63| 8.5 -5.3 2000 241 7 278 3| 0.0 1.1 1.1| 3.7 -29.9 -26.2 -13.1 -0.56| 7.3 -4.1 2500 237 6 276 2| 0.0 1.1 1.1| 3.8 -30.0 -26.1 -10.5 -0.52| 6.6 -3.4 3000 237 6 276 2| 0.7 0.9 1.6| 5.4 -30.0 -24.6 -8.2 -0.37| 6.2 -2.3 4000 236 6 280 2| 0.5 1.2 1.7| 7.7 -40.4 -32.7 -8.2 -0.49| 7.3 -3.6 5000 227 6 257 1| 0.4 0.8 1.3| 10.4 -51.0 -40.7 -8.1 -0.49| 6.6 -3.2 6000 190 6 143 3| 0.2 1.3 1.5| 25.1 -57.6 -32.5 -5.4 -0.37| 6.6 -2.4 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251013.00.gif