UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120600.upa.cvt Date: 0000Z 6 DEC 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 6 DEC 25 Station: VVTS WMO ident: 48900 Latitude: 10.82 Longitude: 106.67 Elevation: 19.00 ------------------------------------------------------------------------------- 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 1013 19 24.8 21.9 84 2.9 22.8 60 1 296.9 299.8 295.4 344.7 16.55 1 1000 117 24.2 20.3 79 3.9 21.5 40 1 297.4 300.1 294.6 341.2 15.16 2 925 797 20.2 18.8 92 1.4 19.2 145 5 300.0 302.7 295.2 343.6 14.93 3 878 1246 17.0 17.0 100 0.0 17.0 71 6 301.2 303.7 294.9 342.4 14.02 4 871 1315 17.6 14.9 84 2.7 15.8 60 6 302.5 304.7 294.0 338.9 12.32 5 857 1454 17.4 12.4 72 5.0 14.1 37 7 303.7 305.6 293.1 335.3 10.62 6 850 1524 17.0 12.4 74 4.6 14.0 25 7 304.0 305.9 293.3 335.9 10.70 7 792 2124 14.6 5.6 55 9.0 9.3 45 8 307.6 308.9 291.6 329.6 7.22 8 777 2286 15.6 -3.4 27 19.0 6.0 50 9 310.4 311.1 289.5 322.4 3.83 9 775 2308 15.6 -2.4 29 18.0 6.3 51 9 310.6 311.4 289.9 323.6 4.13 10 700 3163 10.2 -6.8 30 17.0 2.2 80 11 313.8 314.4 290.0 324.3 3.28 11 697 3199 10.0 -7.0 29 17.0 2.0 80 11 313.9 314.6 290.1 324.4 3.24 12 686 3330 8.8 4.0 72 4.8 6.0 80 11 314.0 315.5 293.7 337.3 7.45 13 679 3415 8.0 3.7 74 4.3 5.5 80 11 314.1 315.5 293.6 337.1 7.37 14 650 3774 7.4 -8.6 31 16.0 0.1 79 11 317.3 317.9 291.0 327.4 3.07 15 647 3812 6.8 -2.2 53 9.0 2.1 79 11 317.1 318.0 292.6 333.2 5.03 16 643 3863 6.8 -10.2 29 17.0 -0.7 79 10 317.6 318.2 290.7 326.6 2.74 17 639 3914 6.2 -1.8 56 8.0 2.0 79 10 317.5 318.5 292.9 334.3 5.25 18 627 4069 6.4 -12.6 24 19.0 -1.6 78 10 319.5 319.9 290.9 327.2 2.31 19 618 4187 5.4 -5.6 45 11.0 0.0 78 10 319.7 320.4 292.5 332.9 4.08 20 613 4254 5.8 -13.2 24 19.0 -2.1 78 10 320.9 321.3 291.3 328.4 2.25 21 519 5594 -2.3 -21.3 22 19.0 -8.7 76 9 326.7 327.0 292.1 331.5 1.34 22 513 5686 -2.3 -24.3 17 22.0 -9.2 75 9 327.8 328.0 292.2 331.5 1.04 23 500 5890 -2.7 -23.7 18 21.0 -9.5 75 9 329.7 330.0 292.7 333.8 1.13 24 471 6361 -6.9 -14.9 53 8.0 -10.1 72 8 330.2 330.7 294.1 339.0 2.55 25 466 6445 -7.3 -22.3 29 15.0 -12.1 72 8 330.7 331.0 293.2 335.6 1.37 26 447 6769 -9.3 -28.3 20 19.0 -14.4 70 8 332.2 332.3 293.1 335.2 0.83 27 431 7050 -11.7 -22.7 40 11.0 -15.1 68 8 332.6 332.9 293.7 337.7 1.43 28 422 7212 -12.9 -15.3 82 2.4 -13.8 67 7 333.1 333.6 295.0 342.7 2.76 29 418 7285 -13.1 -25.1 36 12.0 -16.5 67 7 333.7 334.0 293.9 338.1 1.19 30 414 7359 -13.5 -27.5 30 14.0 -17.2 67 7 334.1 334.3 293.7 337.7 0.97 31 400 7620 -15.5 -19.8 70 4.3 -16.9 65 7 334.8 335.2 294.8 341.9 1.99 32 396 7696 -16.1 -19.3 76 3.2 -17.1 67 7 335.0 335.5 294.9 342.5 2.10 33 371 8184 -19.3 -30.3 37 11.0 -21.8 78 9 337.1 337.3 294.4 340.2 0.83 34 354 8531 -21.5 -32.5 36 11.0 -23.8 86 10 338.7 338.8 294.6 341.3 0.70 35 335 8935 -24.9 -27.4 80 2.5 -25.5 96 12 339.4 339.7 295.3 343.9 1.21 36 334 8957 -25.3 -27.9 79 2.6 -25.9 96 12 339.2 339.4 295.1 343.4 1.15 37 333 8979 -25.1 -33.1 47 8.0 -26.6 97 12 339.7 339.9 294.9 342.4 0.71 38 323 9200 -26.1 -42.1 21 16.0 -28.3 102 13 341.3 341.4 294.9 342.5 0.29 39 300 9730 -30.1 -48.1 16 18.0 -32.0 115 15 343.0 343.0 295.2 343.6 0.16 40 290 9970 -31.1 -55.1 8 24.0 -33.0 108 15 344.9 344.9 295.6 345.2 0.07 41 250 11000 -39.9 -55.9 17 16.0 -40.8 75 13 346.7 346.8 296.0 347.1 0.08 42 232 11505 -44.7 -60.7 15 16.0 -45.3 83 14 346.9 347.0 296.0 347.1 0.05 43 222 11798 -47.1 -54.1 45 7.0 -47.4 88 15 347.7 347.7 296.2 348.1 0.11 44 203 12384 -51.7 -61.7 29 10.0 -52.0 98 17 349.4 349.4 296.5 349.6 0.05 45 200 12480 -52.5 -61.5 33 9.0 -52.8 100 17 349.6 349.6 296.6 349.8 0.05 46 189 12842 -55.7 -60.6 54 4.9 -55.8 105 19 350.2 350.2 296.7 350.4 0.06 47 182 13081 -58.1 -65.1 40 7.0 -58.2 108 20 350.1 350.1 296.7 350.2 0.03 48 165 13691 -62.7 -76.7 14 14.0 -62.8 117 22 352.3 352.3 297.1 352.4 0.01 49 150 14270 -68.1 -74.1 42 6.0 -68.1 125 25 352.8 352.8 297.3 352.8 0.01 50 147 14391 -69.1 -75.1 41 6.0 -69.1 124 25 353.1 353.1 297.3 353.1 0.01 51 127 15254 -74.9 -85.9 17 11.0 -74.9 115 22 357.7 357.7 298.2 357.7 0.00 52 123 15441 -74.3 -87.3 12 13.0 -74.3 113 21 362.1 362.1 299.1 362.1 0.00 53 100 16620 -83.5 -89.5 34 6.0 -83.5 100 17 366.4 366.4 299.9 366.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5773.00 m Freezing level: 545.69 mb = 5213.59 m = 17104.76 ft Wetbulb zero: 643.98 mb = 3850.35 m = 12632.23 ft Precipitable water: 1.61 inches Sfc-500 mean rel hum: 48.72 % Est. max temperature: 31.12 C = 88.01 F Sfc-Lift cond lev (LCL): 971.43 mb = 369.86 m = 1213.44 ft T: 22.71 C 700-500 lapse rate: 4.73 C/km ThetaE index: 13.45 C Layer 792.0- 775.0 mb Conv cond level (CCL): 901.13 mb = 1022.14 m = 3353.44 ft Mean mixing ratio: 15.12 g/kg Conv temperature: 28.53 C = 83.35 F Cap Strength: 3.16 C Lifted Index: 3.02 C Risk: None Lifted Index @300 mb: 2.40 C Lifted Index @700 mb: 1.68 C Showalter Index: 5.83 C Risk: None Total Totals Index: 34.80 C Risk: None Vertical Totals Index: 19.70 C Cross Totals Index: 15.10 C K Index: 15.10 Risk: < 20 % chance of thunderstorms Sweat Index: 171.80 Risk: None Energy Index: -0.29 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.79 J/kg Max Up Vert Vel: 3.40 m/s Conv Inhibition (B-): 2263.95 J/kg Cap Strength: 3.10 C Lift Cond Lev (LCL): 926.81 mb = 779.96 m = 2558.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 104 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 1013 19 60 1 -0.9 -0.5 | 291 6 5.2 -2.0 1 1000 117 40 1 -0.6 -0.8 | 292 6 5.4 -2.2 2 925 797 145 5 -2.9 4.1 | 231 4 3.2 2.6 3 850 1524 25 7 -3.0 -6.3 | 338 8 3.1 -7.8 4 700 3163 80 11 -10.8 -1.9 | 55 6 -4.8 -3.4 5 500 5890 75 9 -8.7 -2.3 | 35 5 -2.6 -3.8 6 400 7620 65 7 -6.3 -3.0 | 4 4 -0.3 -4.4 7 300 9730 115 15 -13.6 6.3 | 123 9 -7.5 4.9 8 250 11000 75 13 -12.6 -3.4 | 53 8 -6.5 -4.8 9 200 12480 100 17 -16.7 3.0 | 98 11 -10.7 1.5 10 150 14270 125 25 -20.5 14.3 | 132 19 -14.4 12.9 11 100 16620 100 17 -16.7 3.0 | 98 11 -10.7 1.5 Wind Parameters Mean winds (0-6000m): 73.5 at 8.3 knts Storm direction: 103.5 at 6.2 knts Shear (0-3000m) pos: 2.2 neg: 1.4 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 114.7 deg Storm rel helicity (0-3000m) pos: 16.8 neg: -6.3 tot: 10.5 m^2/s^2 ave: 3.5 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.05 Bulk Shear: 5.50 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 84 2 292 4| 2.8 0.0 2.8| 1.1 -0.7 0.4 0.7 -0.01| 3.8 -0.1 1000 128 3 261 4| 2.6 0.0 2.6| 1.2 -3.0 -1.8 -1.8 -0.24| 5.2 -1.3 1500 94 4 302 2| 1.7 2.9 4.6| 1.6 -6.3 -4.7 -3.1 -0.12| 6.7 -0.8 2000 63 5 338 4| 1.9 2.2 4.0| 6.5 -6.3 0.3 0.1 -0.00| 5.7 -0.0 2500 59 6 347 5| 2.1 1.7 3.8| 11.7 -6.3 5.4 2.2 0.11| 5.1 0.5 3000 64 7 358 4| 2.2 1.4 3.7| 16.8 -6.3 10.5 3.5 0.21| 4.8 1.0 4000 71 8 15 4| 1.8 1.1 2.9| 18.2 -7.0 11.2 2.8 0.21| 3.8 0.8 5000 73 8 23 4| 1.4 0.9 2.3| 18.2 -7.9 10.3 2.1 0.18| 3.1 0.6 6000 74 8 27 4| 1.2 0.8 2.0| 18.2 -8.9 9.3 1.6 0.15| 2.7 0.4 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251206.00.gif