UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102012.upa.cvt Date: 1200Z 20 OCT 25 Searching for VO466... Searching the city database file for: VO466 ... Date:1200Z 20 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 12 28.2 24.3 79 3.9 25.3 305 5 300.9 304.5 298.3 358.0 19.37 1 1000 56 26.8 23.5 82 3.3 24.4 330 3 300.0 303.3 297.5 354.3 18.53 2 960 415 23.4 22.3 94 1.1 22.6 304 14 300.0 303.3 297.2 352.6 17.93 3 925 739 21.6 18.8 84 2.8 19.6 300 16 301.4 304.1 295.6 345.3 14.93 4 850 1472 18.0 15.9 88 2.1 16.5 310 7 305.0 307.5 295.6 345.3 13.49 5 700 3112 9.4 8.4 93 1.0 8.8 360 6 312.9 314.8 295.2 343.6 9.94 6 665 3536 7.8 6.4 91 1.4 6.9 49 8 315.7 317.5 295.3 344.2 9.11 7 579 4662 0.0 -0.3 98 0.3 -0.2 49 14 319.4 320.6 294.3 340.1 6.48 8 559 4944 -0.3 -0.6 98 0.3 -0.4 47 16 322.2 323.5 295.1 343.5 6.57 9 500 5830 -4.5 -4.6 99 0.1 -4.6 55 14 327.6 328.6 295.7 345.6 5.45 10 464 6416 -7.3 -7.9 95 0.6 -7.6 50 12 331.1 332.1 295.8 346.6 4.55 11 400 7560 -13.7 -14.8 91 1.1 -14.2 55 9 337.2 337.8 296.1 347.8 3.03 12 383 7890 -15.5 -16.3 94 0.8 -15.8 68 7 339.0 339.6 296.4 349.0 2.80 13 300 9690 -29.1 -31.2 82 2.1 -29.5 120 13 344.4 344.6 296.2 347.9 0.94 14 282 10127 -32.3 -34.6 80 2.3 -32.7 115 15 345.9 346.1 296.4 348.7 0.72 15 250 10960 -39.5 -41.9 78 2.4 -39.8 105 19 347.3 347.4 296.4 348.9 0.39 16 200 12450 -52.5 -54.8 76 2.3 -52.6 100 21 349.6 349.7 296.7 350.1 0.11 17 162 13768 -65.7 -68.2 71 2.5 -65.7 82 25 349.1 349.1 296.5 349.2 0.02 18 150 14230 -69.3 -71.0 78 1.7 -69.3 75 26 350.7 350.7 296.8 350.8 0.02 19 108 16124 -82.1 -84.3 69 2.2 -82.1 100 56 361.1 361.1 298.9 361.1 0.00 20 100 16560 -76.3 -80.3 53 4.0 -76.3 100 27 380.3 380.3 302.3 380.3 0.01 TRP 108 16124 -82.1 -84.3 69 2.2 -82.1 100 56 361.1 361.1 298.9 361.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5774.00 m Freezing level: 579.00 mb = 4662.27 m = 15295.96 ft Wetbulb zero: 580.89 mb = 4635.73 m = 15208.90 ft Precipitable water: 2.52 inches Sfc-500 mean rel hum: 92.16 % Est. max temperature: 32.04 C = 89.67 F Sfc-Lift cond lev (LCL): 950.23 mb = 504.35 m = 1654.66 ft T: 22.90 C 700-500 lapse rate: 5.11 C/km ThetaE index: 14.35 C Layer 1000.0- 665.0 mb Conv cond level (CCL): 896.58 mb = 1009.50 m = 3311.96 ft Mean mixing ratio: 16.90 g/kg Conv temperature: 30.01 C = 86.01 F Cap Strength: 0.77 C Lifted Index: -1.65 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.91 C Lifted Index @700 mb: -1.28 C Showalter Index: 0.17 C Risk: Thunderstorms probable Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 20.40 C K Index: 37.40 Risk: > 80 % chance of thunderstorms Sweat Index: 218.80 Risk: None Energy Index: -0.06 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 442.88 J/kg Max Up Vert Vel: 29.76 m/s Conv Inhibition (B-): 12.63 J/kg Cap Strength: 0.77 C Lift Cond Lev (LCL): 923.97 mb = 748.67 m = 2456.23 ft Lev Free Conv (LFC): 828.97 mb = 1683.63 m = 5523.64 ft Equ Level (EL): 148.97 mb = 14269.77 m = 46816.26 ft B at Equ Level: 433.20 J/kg Wind level data Storm motion: 46 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 12 305 5 4.1 -2.9 | 256 10 9.6 2.4 1 1000 56 330 3 1.5 -2.6 | 249 8 7.0 2.7 2 972 305 305 13 10.6 -7.5 | 278 16 16.2 -2.1 3 925 739 300 16 13.9 -8.0 | 278 20 19.4 -2.7 4 875 1219 300 11 9.5 -5.5 | 271 15 15.1 -0.2 5 850 1472 310 7 5.4 -4.5 | 266 11 10.9 0.8 6 815 1829 335 6 2.5 -5.4 | 271 8 8.1 -0.1 7 786 2134 5 2 -0.2 -2.0 | 238 6 5.4 3.3 8 731 2743 20 6 -2.1 -5.6 | 275 4 3.5 -0.3 9 705 3048 350 6 1.0 -5.9 | 275 7 6.6 -0.6 10 700 3112 360 6 -0.0 -6.0 | 277 6 5.5 -0.7 11 679 3353 15 10 -2.6 -9.7 | 326 5 3.0 -4.3 12 654 3658 75 6 -5.8 -1.6 | 176 4 -0.3 3.8 13 630 3962 55 10 -8.2 -5.7 | 81 3 -2.6 -0.4 14 542 5182 45 17 -12.0 -12.0 | 44 9 -6.5 -6.7 15 500 5830 55 14 -11.5 -8.0 | 65 7 -5.9 -2.7 16 465 6401 50 12 -9.2 -7.7 | 57 4 -3.6 -2.4 17 447 6706 45 11 -7.8 -7.8 | 42 3 -2.2 -2.5 18 429 7010 40 9 -5.8 -6.9 | 9 2 -0.2 -1.6 19 400 7560 55 9 -7.4 -5.2 | 95 2 -1.8 0.2 20 381 7925 70 7 -6.6 -2.4 | 161 3 -1.0 2.9 21 365 8230 115 7 -6.3 3.0 | 174 8 -0.8 8.3 22 323 9144 140 11 -7.1 8.4 | 174 14 -1.5 13.7 23 300 9690 120 13 -11.3 6.5 | 154 13 -5.7 11.8 24 250 10960 105 19 -18.4 4.9 | 129 16 -12.8 10.2 25 228 11582 95 17 -16.9 1.5 | 121 13 -11.4 6.8 26 218 11887 110 18 -16.9 6.2 | 135 16 -11.4 11.5 27 200 12450 100 21 -20.7 3.6 | 121 18 -15.1 9.0 28 150 14230 75 26 -25.1 -6.7 | 86 20 -19.6 -1.4 29 148 14326 75 25 -24.1 -6.5 | 86 19 -18.6 -1.2 30 140 14630 70 30 -28.2 -10.3 | 78 23 -22.6 -4.9 31 126 15240 70 47 -44.2 -16.1 | 74 40 -38.6 -10.8 32 119 15545 80 51 -50.2 -8.9 | 85 45 -44.7 -3.5 33 108 16124 100 56 -55.1 9.7 | 107 52 -49.6 15.0 34 102 16459 105 52 -50.2 13.5 | 113 48 -44.7 18.8 35 100 16560 100 27 -26.6 4.7 | 115 23 -21.0 10.0 36 96 16764 95 31 -30.9 2.7 | 108 27 -25.3 8.0 37 87 17374 160 4 -1.4 3.8 | 205 10 4.2 9.1 38 82 17678 285 4 3.9 -1.0 | 246 10 9.4 4.3 Wind Parameters Mean winds (0-6000m): 16.2 at 10.2 knts Storm direction: 46.2 at 7.7 knts Shear (0-3000m) pos: 2.2 neg: 1.8 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 20.2 deg Storm rel helicity (0-3000m) pos: 16.8 neg: -19.2 tot: -2.3 m^2/s^2 ave: -0.8 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 0.2 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 24.96 Bulk Shear: 17.74 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 ------------------------------------------------------------------------------- 500 306 10 273 14| 0.0 9.7 9.7| 11.4 0.0 11.4 22.7 0.35| 12.0 4.2 1000 303 12 275 16| 0.0 4.2 4.2| 11.4 -5.7 5.7 5.7 0.18| 8.1 1.5 1500 303 12 274 15| 2.3 2.8 5.1| 11.4 -12.9 -1.5 -1.0 0.05| 7.7 0.3 2000 306 10 273 14| 2.9 2.1 5.0| 13.2 -16.7 -3.5 -1.7 -0.01| 7.2 -0.1 2500 310 9 271 12| 2.6 1.7 4.3| 15.4 -19.0 -3.6 -1.4 -0.01| 6.5 -0.0 3000 317 8 273 11| 2.2 1.8 4.0| 16.8 -19.2 -2.3 -0.8 0.03| 6.1 0.2 4000 334 8 282 9| 2.8 1.4 4.1| 23.8 -22.1 1.7 0.4 0.13| 7.1 0.9 5000 359 9 304 7| 2.2 1.2 3.5| 23.8 -25.8 -2.0 -0.4 0.07| 6.3 0.5 6000 16 10 329 5| 1.8 1.0 2.9| 29.4 -26.7 2.6 0.4 0.10| 5.7 0.6 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251020.12.gif