UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101612.upa.cvt Date: 1200Z 16 OCT 25 Searching for VO466... Searching the city database file for: VO466 ... Date:1200Z 16 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 1004 7 29.8 24.8 75 5.0 26.0 210 5 302.6 306.3 299.1 361.9 20.00 1 1000 42 28.4 23.6 75 4.8 24.9 235 5 301.5 305.0 298.0 356.6 18.65 2 997 69 28.0 23.5 77 4.5 24.7 233 5 301.4 304.8 298.0 356.2 18.59 3 960 403 24.4 22.4 89 2.0 23.0 210 11 301.0 304.4 297.5 354.2 18.04 4 925 728 22.2 21.6 96 0.6 21.8 185 12 302.0 305.3 297.6 354.7 17.83 5 850 1462 19.4 18.3 93 1.1 18.7 115 9 306.5 309.4 297.4 353.8 15.76 6 700 3121 11.8 7.0 72 4.8 8.8 150 17 315.6 317.3 295.2 343.8 9.02 7 699 3133 11.8 6.9 72 4.9 8.8 150 17 315.7 317.4 295.2 343.8 8.97 8 558 4978 0.0 -2.0 86 2.0 -1.1 128 21 322.7 323.9 294.8 342.0 5.93 9 552 5065 -0.3 -4.7 72 4.4 -2.5 126 21 323.4 324.4 294.2 339.5 4.89 10 504 5787 -4.5 -5.2 95 0.7 -4.8 102 22 326.8 327.8 295.3 343.9 5.16 11 500 5850 -4.5 -5.0 96 0.5 -4.8 100 22 327.6 328.6 295.6 345.1 5.28 12 479 6186 -5.7 -8.0 84 2.3 -6.8 102 22 330.1 331.0 295.5 344.9 4.38 13 473 6284 -6.3 -12.3 62 6.0 -8.8 104 22 330.6 331.2 294.6 341.3 3.15 14 456 6568 -8.1 -16.1 53 8.0 -11.1 110 22 331.8 332.3 294.3 340.1 2.39 15 421 7181 -11.7 -14.5 80 2.8 -12.8 122 21 334.8 335.4 295.6 345.2 2.95 16 400 7570 -14.1 -15.8 87 1.7 -14.7 120 19 336.7 337.2 295.8 346.5 2.79 17 360 8368 -18.9 -21.1 83 2.2 -19.6 121 22 340.5 340.9 296.1 347.7 1.97 18 304 9614 -27.5 -30.2 78 2.7 -28.0 93 22 345.3 345.5 296.4 349.2 1.02 19 300 9710 -28.3 -31.3 75 3.0 -28.9 95 23 345.5 345.7 296.4 349.1 0.93 20 250 10980 -38.9 -42.2 71 3.3 -39.2 85 17 348.2 348.3 296.5 349.7 0.37 21 207 12246 -49.5 -53.2 65 3.7 -49.7 89 18 350.9 350.9 297.0 351.5 0.13 22 200 12470 -51.3 -54.5 69 3.2 -51.4 90 18 351.5 351.6 297.1 352.0 0.12 23 194 12666 -53.3 -56.1 71 2.8 -53.4 88 18 351.4 351.4 297.0 351.8 0.10 24 182 13072 -57.1 -60.3 67 3.2 -57.2 84 19 351.7 351.7 297.1 352.0 0.06 25 171 13462 -60.9 -67.9 39 7.0 -61.0 79 20 351.7 351.7 297.0 351.8 0.02 26 150 14260 -67.7 -72.7 49 5.0 -67.7 80 22 353.5 353.5 297.4 353.5 0.01 27 106 16265 -84.3 -86.9 63 2.6 -84.3 90 33 358.8 358.8 298.5 358.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5808.00 m Freezing level: 558.00 mb = 4977.94 m = 16331.63 ft Wetbulb zero: 573.66 mb = 4751.23 m = 15587.84 ft Precipitable water: 2.55 inches Sfc-500 mean rel hum: 83.69 % Est. max temperature: 33.42 C = 92.16 F Sfc-Lift cond lev (LCL): 934.34 mb = 640.10 m = 2100.04 ft T: 22.80 C 700-500 lapse rate: 5.97 C/km ThetaE index: 15.23 C Layer 850.0- 504.0 mb Conv cond level (CCL): 904.79 mb = 919.81 m = 3017.71 ft Mean mixing ratio: 18.06 g/kg Conv temperature: 30.37 C = 86.66 F Cap Strength: 0.51 C Lifted Index: -3.29 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.60 C Lifted Index @700 mb: -0.11 C Showalter Index: -2.88 C Risk: Severe thunderstorms possible Total Totals Index: 46.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 22.80 C K Index: 37.40 Risk: > 80 % chance of thunderstorms Sweat Index: 259.60 Risk: None Energy Index: -1.78 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1069.29 J/kg Max Up Vert Vel: 46.24 m/s Conv Inhibition (B-): 20.11 J/kg Cap Strength: 0.93 C Lift Cond Lev (LCL): 924.84 mb = 729.55 m = 2393.50 ft Lev Free Conv (LFC): 729.84 mb = 2764.36 m = 9069.31 ft Equ Level (EL): 129.84 mb = 15093.69 m = 49519.39 ft B at Equ Level: 1057.59 J/kg Wind level data Storm motion: 170 at 12 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 1004 7 210 5 2.5 4.3 | 328 9 4.7 -7.5 1 1000 42 235 5 4.1 2.9 | 325 11 6.3 -8.9 2 938 610 195 15 3.9 14.5 | 246 7 6.1 2.7 3 925 728 185 12 1.0 12.0 | 267 3 3.2 0.1 4 874 1219 105 9 -8.7 2.3 | 34 11 -6.5 -9.5 5 850 1462 115 9 -8.2 3.8 | 37 10 -6.0 -8.0 6 844 1524 115 9 -8.2 3.8 | 37 10 -6.0 -8.0 7 814 1829 125 11 -9.0 6.3 | 51 9 -6.8 -5.5 8 700 3121 150 17 -8.5 14.7 | 115 7 -6.3 2.9 9 631 3962 160 20 -6.8 18.8 | 146 8 -4.7 7.0 10 500 5850 100 22 -21.7 3.8 | 68 21 -19.5 -8.0 11 484 6096 100 22 -21.7 3.8 | 68 21 -19.5 -8.0 12 413 7315 125 21 -17.2 12.0 | 91 15 -15.0 0.2 13 400 7570 120 19 -16.5 9.5 | 81 14 -14.3 -2.3 14 366 8230 125 22 -18.0 12.6 | 93 16 -15.8 0.8 15 311 9449 90 21 -21.0 0.0 | 58 22 -18.8 -11.8 16 300 9710 95 23 -22.9 2.0 | 65 23 -20.7 -9.8 17 250 10980 85 17 -16.9 -1.5 | 48 20 -14.8 -13.3 18 200 12470 90 18 -18.0 0.0 | 53 20 -15.8 -11.8 19 172 13411 80 20 -19.7 -3.5 | 49 23 -17.5 -15.3 20 156 14021 65 19 -17.2 -8.0 | 37 25 -15.0 -19.8 21 150 14260 80 22 -21.7 -3.8 | 51 25 -19.5 -15.6 22 134 14935 85 26 -25.9 -2.3 | 59 28 -23.7 -14.1 23 121 15545 90 32 -32.0 0.0 | 68 32 -29.8 -11.8 24 115 15850 95 29 -28.9 2.5 | 71 28 -26.7 -9.3 25 110 16154 90 30 -30.0 0.0 | 67 30 -27.8 -11.8 26 104 16459 90 35 -35.0 0.0 | 70 35 -32.8 -11.8 Wind Parameters Mean winds (0-6000m): 139.5 at 16.0 knts Storm direction: 169.5 at 12.0 knts Shear (0-3000m) pos: 1.7 neg: 1.8 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 139.9 deg Storm rel helicity (0-3000m) pos: 24.0 neg: -31.2 tot: -7.2 m^2/s^2 ave: -2.4 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 0.4 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 32.75 Bulk Shear: 32.65 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 ------------------------------------------------------------------------------- 500 212 9 302 8| 0.0 8.5 8.5| 0.0 -22.0 -22.0 -44.1 -0.87| 11.1 -9.7 1000 191 11 289 5| 0.0 5.1 5.1| 2.5 -26.5 -24.0 -24.0 -0.21| 13.9 -2.9 1500 171 10 340 2| 0.0 3.7 3.7| 3.2 -31.2 -28.0 -18.7 -0.22| 11.6 -2.6 2000 156 10 38 3| 1.0 2.7 3.7| 11.3 -31.2 -19.9 -9.9 -0.11| 9.7 -1.1 2500 150 11 52 4| 1.4 2.2 3.6| 17.6 -31.2 -13.6 -5.4 -0.03| 8.4 -0.2 3000 149 12 63 4| 1.7 1.8 3.6| 24.0 -31.2 -7.2 -2.4 0.05| 7.6 0.4 4000 151 13 88 4| 1.9 1.4 3.3| 33.3 -31.6 1.7 0.4 0.14| 6.4 0.9 5000 149 15 98 6| 1.5 2.2 3.7| 33.3 -60.4 -27.1 -5.4 -0.04| 6.3 -0.3 6000 140 16 93 8| 1.3 2.5 3.8| 33.3 -97.9 -64.6 -10.8 -0.15| 6.1 -0.9 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251016.12.gif