UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for VO466... Searching the city database file for: VO466 ... Date:1200Z 8 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 1008 8 30.2 23.2 66 7.0 25.0 340 5 302.7 306.0 297.9 356.1 18.04 1 1002 61 28.4 24.7 80 3.7 25.6 340 10 301.4 305.0 298.7 360.2 19.92 2 1000 79 28.0 24.6 82 3.4 25.5 340 12 301.1 304.8 298.7 359.7 19.84 3 972 332 25.4 23.6 90 1.8 24.1 348 20 301.0 304.5 298.2 357.5 19.20 4 954 498 26.4 20.4 70 6.0 22.1 4 17 303.6 306.6 296.9 351.2 16.01 5 925 771 24.4 18.4 69 6.0 20.2 25 15 304.3 307.0 296.1 347.6 14.55 6 867 1333 19.6 16.2 81 3.4 17.2 44 11 304.9 307.5 295.6 345.2 13.48 7 850 1504 20.0 12.0 60 8.0 14.8 65 7 307.1 309.0 294.0 338.6 10.42 8 783 2207 15.4 10.9 75 4.5 12.5 124 3 309.5 311.4 294.7 341.5 10.52 9 700 3150 10.8 0.8 50 10.0 5.3 75 7 314.4 315.6 292.4 332.7 5.80 10 685 3330 9.8 -2.2 43 12.0 3.5 75 10 315.3 316.2 291.8 330.4 4.75 11 642 3864 6.0 -2.0 56 8.0 1.8 44 8 316.9 317.9 292.6 333.3 5.15 12 606 4334 4.0 -16.0 22 20.0 -3.7 60 9 319.8 320.2 290.6 326.0 1.81 13 597 4455 3.2 -8.8 41 12.0 -2.3 48 9 320.3 320.9 292.0 331.1 3.29 14 592 4523 2.8 -13.2 30 16.0 -3.8 42 9 320.6 321.0 291.3 328.4 2.33 15 580 4688 1.4 -7.6 51 9.0 -2.8 43 9 320.8 321.6 292.6 333.1 3.72 16 572 4800 1.2 -12.8 34 14.0 -4.6 52 8 321.9 322.4 291.8 330.2 2.50 17 553 5071 0.0 -9.0 51 9.0 -4.1 75 7 323.6 324.3 293.1 335.2 3.50 18 532 5379 -2.3 -10.3 54 8.0 -5.8 81 6 324.4 325.1 293.2 335.4 3.28 19 507 5760 -3.5 -17.5 33 14.0 -8.7 72 5 327.5 327.8 292.8 334.1 1.91 20 500 5870 -3.9 -15.9 39 12.0 -8.5 70 5 328.3 328.7 293.3 335.9 2.21 21 435 6959 -11.7 -17.7 61 6.0 -13.8 124 6 331.7 332.2 294.1 339.4 2.19 22 400 7600 -15.3 -25.3 42 10.0 -18.1 155 8 335.1 335.4 294.2 339.6 1.22 23 375 8085 -18.3 -31.3 31 13.0 -21.2 167 9 337.4 337.5 294.4 340.2 0.75 24 307 9546 -29.5 -45.5 20 16.0 -31.3 134 13 341.5 341.6 294.9 342.4 0.21 25 300 9710 -30.9 -46.9 19 16.0 -32.6 135 13 341.8 341.9 295.0 342.6 0.19 26 250 10980 -41.5 -54.5 23 13.0 -42.2 100 13 344.4 344.4 295.4 344.8 0.09 27 242 11199 -43.3 -56.3 23 13.0 -43.9 103 14 344.9 344.9 295.6 345.2 0.08 28 231 11509 -46.1 -52.1 51 6.0 -46.4 107 17 345.2 345.3 295.7 345.8 0.13 29 224 11713 -47.7 -53.7 50 6.0 -48.0 110 18 345.8 345.9 295.8 346.3 0.11 30 219 11861 -48.7 -60.7 24 12.0 -49.1 112 19 346.5 346.5 295.9 346.8 0.05 31 215 11982 -49.9 -60.9 26 11.0 -50.3 114 20 346.5 346.5 295.9 346.7 0.05 32 212 12073 -50.1 -63.1 20 13.0 -50.5 115 20 347.6 347.6 296.1 347.8 0.04 33 200 12450 -53.3 -60.3 42 7.0 -53.5 120 23 348.4 348.4 296.3 348.6 0.06 34 174 13331 -60.9 -67.9 39 7.0 -61.0 122 22 350.0 350.0 296.7 350.1 0.02 35 165 13660 -62.9 -74.9 18 12.0 -63.0 123 21 352.0 352.0 297.1 352.0 0.01 36 150 14240 -67.9 -80.9 14 13.0 -67.9 125 20 353.1 353.1 297.3 353.1 0.00 37 100 16590 -83.9 -91.9 23 8.0 -83.9 345 16 365.6 365.6 299.8 365.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 553.00 mb = 5070.78 m = 16636.20 ft Wetbulb zero: 630.12 mb = 4015.71 m = 13174.75 ft Precipitable water: 1.91 inches Sfc-500 mean rel hum: 57.25 % Est. max temperature: 33.63 C = 92.53 F Sfc-Lift cond lev (LCL): 911.23 mb = 901.29 m = 2956.94 ft T: 23.29 C 700-500 lapse rate: 5.40 C/km ThetaE index: 21.62 C Layer 1000.0- 783.0 mb Conv cond level (CCL): 870.17 mb = 1301.63 m = 4270.38 ft Mean mixing ratio: 16.99 g/kg Conv temperature: 32.45 C = 90.42 F Cap Strength: 1.76 C Lifted Index: -2.04 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.20 C Lifted Index @700 mb: -0.65 C Showalter Index: 3.46 C Risk: None Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 15.90 C K Index: 25.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 163.00 Risk: None Energy Index: -0.47 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1316.39 J/kg Max Up Vert Vel: 51.31 m/s Conv Inhibition (B-): 56.82 J/kg Cap Strength: 1.76 C Lift Cond Lev (LCL): 897.41 mb = 1033.98 m = 3392.27 ft Lev Free Conv (LFC): 782.41 mb = 2212.96 m = 7260.29 ft Equ Level (EL): 152.41 mb = 14143.06 m = 46400.55 ft B at Equ Level: 1315.24 J/kg Wind level data Storm motion: 75 at 6 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 8 340 5 1.7 -4.7 | 293 8 7.5 -3.1 1 1000 79 340 12 4.1 -11.3 | 314 14 9.9 -9.7 2 975 305 345 20 5.2 -19.3 | 328 21 11.0 -17.8 3 942 610 15 16 -4.1 -15.5 | 353 14 1.7 -13.9 4 925 771 25 15 -6.3 -13.6 | 2 12 -0.5 -12.0 5 878 1219 30 14 -7.0 -12.1 | 6 11 -1.2 -10.6 6 850 1504 65 7 -6.3 -3.0 | 20 1 -0.5 -1.4 7 818 1829 100 2 -2.0 0.3 | 244 4 3.9 1.9 8 761 2438 140 3 -1.9 2.3 | 225 5 3.9 3.8 9 708 3048 100 5 -4.9 0.9 | 201 3 0.9 2.4 10 700 3150 75 7 -6.8 -1.8 | 74 1 -0.9 -0.3 11 683 3353 75 10 -9.7 -2.6 | 75 4 -3.8 -1.0 12 657 3658 60 7 -6.1 -3.5 | 7 2 -0.2 -1.9 13 633 3962 35 8 -4.6 -6.6 | 346 5 1.2 -5.0 14 610 4267 65 9 -8.2 -3.8 | 46 3 -2.3 -2.3 15 587 4572 35 9 -5.2 -7.4 | 353 6 0.7 -5.8 16 544 5182 85 6 -6.0 -0.5 | 172 1 -0.1 1.0 17 500 5870 70 5 -4.7 -1.7 | 278 1 1.1 -0.2 18 467 6401 85 6 -6.0 -0.5 | 172 1 -0.1 1.0 19 449 6706 120 6 -5.2 3.0 | 188 5 0.6 4.6 20 415 7315 130 5 -3.8 3.2 | 203 5 2.0 4.8 21 400 7600 155 8 -3.4 7.3 | 196 9 2.5 8.8 22 399 7620 160 10 -3.4 9.4 | 192 11 2.4 10.9 23 367 8230 170 8 -1.4 7.9 | 205 10 4.4 9.4 24 338 8839 170 11 -1.9 10.8 | 198 13 3.9 12.4 25 324 9144 130 13 -10.0 8.4 | 157 11 -4.1 9.9 26 300 9710 135 13 -9.2 9.2 | 163 11 -3.4 10.7 27 285 10058 140 12 -7.7 9.2 | 170 11 -1.9 10.7 28 250 10973 105 11 -10.6 2.8 | 133 7 -4.8 4.4 29 250 10980 100 13 -12.8 2.3 | 119 8 -7.0 3.8 30 200 12450 120 23 -19.9 11.5 | 133 19 -14.1 13.1 31 150 14240 125 20 -16.4 11.5 | 141 17 -10.6 13.0 32 148 14326 130 17 -13.0 10.9 | 150 14 -7.2 12.5 33 133 14935 105 14 -13.5 3.6 | 124 9 -7.7 5.2 34 120 15545 165 4 -1.0 3.9 | 222 7 4.8 5.4 35 114 15850 335 6 2.5 -5.4 | 295 9 8.4 -3.9 36 108 16154 325 11 6.3 -9.0 | 302 14 12.1 -7.5 37 100 16590 345 16 4.1 -15.5 | 324 17 10.0 -13.9 38 92 17069 355 11 1.0 -11.0 | 324 12 6.8 -9.4 39 87 17374 165 8 -2.1 7.7 | 202 10 3.8 9.3 40 82 17678 110 8 -7.5 2.7 | 159 5 -1.7 4.3 41 78 17983 20 17 -5.8 -16.0 | 360 14 0.0 -14.4 42 70 18593 90 23 -23.0 0.0 | 95 17 -17.2 1.6 43 63 19202 130 18 -13.8 11.6 | 149 15 -8.0 13.1 44 60 19507 110 23 -21.6 7.9 | 121 18 -15.8 9.4 45 56 19812 140 17 -10.9 13.0 | 161 15 -5.1 14.6 46 51 20422 115 18 -16.3 7.6 | 131 14 -10.5 9.2 47 45 21031 100 28 -27.6 4.9 | 106 23 -21.7 6.4 48 39 21946 95 45 -44.8 3.9 | 98 39 -39.0 5.5 49 35 22555 95 45 -44.8 3.9 | 98 39 -39.0 5.5 50 33 22860 105 51 -49.3 13.2 | 109 46 -43.4 14.8 51 31 23165 100 48 -47.3 8.3 | 103 43 -41.4 9.9 52 30 23470 100 53 -52.2 9.2 | 103 48 -46.4 10.8 53 28 23774 95 53 -52.8 4.6 | 97 47 -47.0 6.2 54 26 24079 90 48 -48.0 0.0 | 92 42 -42.2 1.6 55 24 24689 75 54 -52.2 -14.0 | 75 48 -46.3 -12.4 56 23 24994 65 54 -48.9 -22.8 | 64 48 -43.1 -21.3 Wind Parameters Mean winds (0-6000m): 45.1 at 8.0 knts Storm direction: 75.1 at 6.0 knts Shear (0-3000m) pos: 1.4 neg: 0.5 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): -90.2 deg Storm rel helicity (0-3000m) pos: 78.7 neg: -4.0 tot: 74.7 m^2/s^2 ave: 24.9 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 2.6 10^-3/s Energy-Hel index: 0.65 Bulk Rich Number: 55.03 Bulk Shear: 23.92 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 ------------------------------------------------------------------------------- 500 348 16 327 17| 13.3 0.0 13.3| 55.7 0.0 55.7 111.4 0.62| 22.8 14.1 1000 4 16 341 15| 6.0 0.0 6.0| 73.1 0.0 73.1 73.1 0.63| 15.0 9.5 1500 13 14 348 13| 2.8 0.0 2.8| 78.4 -0.1 78.3 52.2 0.53| 13.5 7.1 2000 17 12 346 10| 1.7 0.0 1.7| 78.7 -0.8 77.9 39.0 0.39| 11.8 4.7 2500 21 10 343 8| 1.7 0.0 1.7| 78.7 -2.3 76.3 30.5 0.35| 9.8 3.5 3000 26 9 343 7| 1.4 0.5 1.9| 78.7 -4.0 74.7 24.9 0.31| 8.7 2.6 4000 37 9 353 5| 1.0 1.2 2.2| 79.0 -8.0 71.0 17.8 0.13| 8.1 1.0 5000 40 9 357 5| 1.3 0.9 2.2| 83.7 -11.5 72.2 14.4 0.13| 7.7 1.0 6000 45 8 358 4| 1.1 0.8 1.9| 84.2 -11.6 72.6 12.1 0.16| 6.7 1.1 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251208.12.gif