UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for VO466... Searching the city database file for: VO466 ... Date:1200Z 19 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 1005 4 27.8 24.4 82 3.4 25.3 255 3 300.5 304.1 298.2 357.9 19.49 1 1000 48 26.8 24.0 85 2.8 24.7 275 11 300.0 303.4 297.9 356.0 19.11 2 978 246 25.0 23.5 91 1.5 23.9 271 14 300.1 303.5 297.8 355.7 18.96 3 925 739 22.0 20.4 91 1.6 20.9 280 16 301.8 304.8 296.7 350.6 16.53 4 876 1209 19.0 18.1 95 0.9 18.4 295 14 303.4 306.2 296.3 348.2 15.09 5 850 1468 18.2 17.0 93 1.2 17.4 270 14 305.2 307.9 296.3 348.5 14.49 6 700 3113 9.8 8.7 93 1.1 9.1 140 5 313.3 315.3 295.4 344.8 10.15 7 670 3476 8.0 7.0 93 1.0 7.4 123 5 315.3 317.1 295.4 344.7 9.43 8 622 4087 5.2 1.2 75 4.0 2.9 107 7 318.8 320.1 294.4 340.3 6.73 9 586 4572 2.0 1.2 94 0.8 1.5 111 13 320.6 322.0 295.1 343.5 7.15 10 556 4995 0.0 -0.6 96 0.6 -0.3 102 17 323.1 324.4 295.4 344.5 6.61 11 500 5840 -4.3 -5.6 91 1.3 -5.0 115 15 327.8 328.8 295.4 344.6 5.05 12 471 6308 -6.7 -10.5 74 3.8 -8.4 118 15 330.5 331.2 295.0 342.9 3.65 13 447 6713 -9.7 -10.2 96 0.5 -9.9 121 14 331.7 332.5 295.6 345.1 3.94 14 400 7560 -14.9 -16.9 85 2.0 -15.6 110 21 335.6 336.1 295.4 344.6 2.55 15 373 8086 -18.3 -21.9 73 3.6 -19.4 100 19 337.9 338.3 295.3 344.3 1.78 16 360 8350 -19.9 -20.4 96 0.5 -20.1 95 18 339.2 339.6 295.9 346.7 2.10 17 342 8730 -22.5 -22.8 97 0.3 -22.6 87 16 340.7 341.0 296.0 347.2 1.79 18 329 9013 -24.5 -25.1 95 0.6 -24.6 88 17 341.7 342.0 296.0 347.3 1.51 19 320 9215 -25.9 -30.2 67 4.3 -26.8 92 17 342.5 342.7 295.8 346.2 0.97 20 315 9329 -26.7 -33.7 52 7.0 -28.0 94 18 342.9 343.1 295.7 345.6 0.70 21 300 9680 -29.3 -35.3 56 6.0 -30.3 100 19 344.1 344.2 295.8 346.5 0.63 22 284 10070 -31.5 -35.9 65 4.4 -32.2 95 20 346.4 346.5 296.4 348.8 0.63 23 250 10960 -38.7 -41.7 73 3.0 -39.0 80 32 348.5 348.6 296.7 350.1 0.39 24 200 12450 -51.7 -55.8 61 4.1 -51.8 85 34 350.9 350.9 296.9 351.3 0.10 25 150 14240 -67.5 -71.7 55 4.2 -67.5 65 40 353.8 353.8 297.5 353.9 0.02 26 139 14691 -72.1 -76.5 51 4.4 -72.1 66 42 353.5 353.5 297.4 353.5 0.01 27 100 16550 -86.9 -89.4 63 2.5 -86.9 80 41 359.8 359.8 298.7 359.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 556.00 mb = 4995.07 m = 16387.83 ft Wetbulb zero: 561.31 mb = 4918.55 m = 16136.77 ft Precipitable water: 2.56 inches Sfc-500 mean rel hum: 91.12 % Est. max temperature: 32.15 C = 89.87 F Sfc-Lift cond lev (LCL): 957.11 mb = 437.26 m = 1434.56 ft T: 23.84 C 700-500 lapse rate: 5.17 C/km ThetaE index: 9.64 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 915.05 mb = 832.49 m = 2731.24 ft Mean mixing ratio: 17.78 g/kg Conv temperature: 29.41 C = 84.94 F Cap Strength: 0.64 C Lifted Index: -2.50 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.66 C Lifted Index @700 mb: -1.67 C Showalter Index: -0.80 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 21.30 C K Index: 38.40 Risk: > 80 % chance of thunderstorms Sweat Index: 247.00 Risk: None Energy Index: -0.87 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 925.24 J/kg Max Up Vert Vel: 43.02 m/s Conv Inhibition (B-): 2.99 J/kg Cap Strength: 0.64 C Lift Cond Lev (LCL): 931.11 mb = 680.79 m = 2233.52 ft Lev Free Conv (LFC): 896.11 mb = 1013.21 m = 3324.13 ft Equ Level (EL): 156.11 mb = 13991.55 m = 45903.48 ft B at Equ Level: 921.27 J/kg Wind level data Storm motion: 198 at 8 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 1005 4 255 3 2.9 0.8 | 357 7 0.3 -7.0 1 1000 48 275 11 11.0 -1.0 | 316 12 8.4 -8.7 2 971 305 270 15 15.0 -0.0 | 302 15 12.4 -7.8 3 925 739 280 16 15.8 -2.8 | 309 17 13.2 -10.5 4 875 1219 295 14 12.7 -5.9 | 324 17 10.1 -13.7 5 850 1468 270 14 14.0 -0.0 | 304 14 11.4 -7.8 6 815 1829 265 13 13.0 1.1 | 303 12 10.4 -6.6 7 758 2438 255 4 3.9 1.0 | 349 7 1.3 -6.7 8 731 2743 0 0 -0.0 -0.0 | 18 8 -2.6 -7.8 9 705 3048 130 5 -3.8 3.2 | 55 8 -6.4 -4.6 10 700 3113 140 5 -3.2 3.8 | 56 7 -5.8 -3.9 11 630 3962 100 6 -5.9 1.0 | 52 11 -8.5 -6.7 12 607 4267 120 9 -7.8 4.5 | 72 11 -10.4 -3.3 13 563 4877 100 17 -16.7 3.0 | 76 20 -19.3 -4.8 14 500 5840 115 15 -13.6 6.3 | 85 16 -16.2 -1.4 15 413 7315 125 14 -11.5 8.0 | 91 14 -14.0 0.3 16 400 7560 110 21 -19.7 7.2 | 88 22 -22.3 -0.6 17 336 8839 85 16 -15.9 -1.4 | 64 21 -18.5 -9.2 18 300 9680 100 19 -18.7 3.3 | 78 22 -21.3 -4.5 19 284 10058 95 20 -19.9 1.7 | 75 23 -22.5 -6.0 20 250 10960 80 32 -31.5 -5.6 | 69 37 -34.1 -13.3 21 250 10973 80 29 -28.6 -5.0 | 68 34 -31.1 -12.8 22 238 11278 80 34 -33.5 -5.9 | 69 39 -36.0 -13.7 23 200 12450 85 34 -33.9 -3.0 | 74 38 -36.4 -10.7 24 150 14240 65 40 -36.3 -16.9 | 58 46 -38.8 -24.7 25 148 14326 70 40 -37.6 -13.7 | 62 46 -40.2 -21.4 26 126 15240 60 44 -38.1 -22.0 | 54 50 -40.7 -29.8 27 113 15850 65 49 -44.4 -20.7 | 59 55 -47.0 -28.5 28 107 16154 70 48 -45.1 -16.4 | 63 53 -47.7 -24.2 29 100 16550 80 41 -40.4 -7.1 | 71 45 -42.9 -14.9 30 91 17069 85 33 -32.9 -2.9 | 73 37 -35.4 -10.6 31 86 17374 115 27 -24.5 11.4 | 98 27 -27.0 3.6 32 77 17983 235 18 14.7 10.3 | 258 12 12.2 2.6 33 73 18288 270 16 16.0 -0.0 | 300 16 13.4 -7.8 34 69 18593 250 20 18.8 6.8 | 273 16 16.2 -0.9 35 59 19507 290 13 12.2 -4.4 | 322 16 9.7 -12.2 36 56 19812 355 6 0.5 -6.0 | 8 14 -2.0 -13.7 Wind Parameters Mean winds (0-6000m): 168.3 at 10.9 knts Storm direction: 198.3 at 8.2 knts Shear (0-3000m) pos: 1.4 neg: 2.3 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 49.3 deg Storm rel helicity (0-3000m) pos: 63.2 neg: -47.4 tot: 15.8 m^2/s^2 ave: 5.3 10^-3 m/s^2 rel: 0.13 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 1.1 10^-3/s Energy-Hel index: 0.18 Bulk Rich Number: 19.06 Bulk Shear: 48.55 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 ------------------------------------------------------------------------------- 500 272 13 307 14| 13.0 0.0 13.0| 3.2 -25.6 -22.4 -44.7 -0.67| 14.4 -9.6 1000 277 14 309 15| 6.4 0.0 6.4| 18.7 -25.6 -6.8 -6.8 -0.33| 9.3 -3.0 1500 280 14 311 15| 4.3 1.6 5.9| 26.8 -46.4 -19.6 -13.1 -0.35| 8.9 -3.2 2000 277 14 310 15| 3.2 1.9 5.1| 30.5 -47.4 -16.9 -8.4 -0.27| 7.7 -2.1 2500 275 13 312 13| 1.7 1.5 3.2| 43.7 -47.4 -3.7 -1.5 -0.05| 7.8 -0.4 3000 274 11 317 12| 1.4 2.3 3.8| 63.2 -47.4 15.8 5.3 0.13| 8.1 1.1 4000 269 9 318 10| 0.9 1.8 2.7| 67.1 -49.1 18.0 4.5 0.14| 6.9 0.9 5000 253 10 305 8| 0.3 1.9 2.2| 82.5 -50.9 31.6 6.3 0.18| 6.8 1.2 6000 168 11 121 6| 0.1 1.6 1.7| 94.7 -50.9 43.8 7.3 0.20| 6.0 1.2 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251019.12.gif