UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 7 DEC 25 Station: VTUN WMO ident: 48431 Latitude: 14.97 Longitude: 102.83 Elevation: 181.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 133 80 2 SFC 994 181 20.0 18.1 89 1.9 18.7 80 2 293.7 296.0 292.1 331.5 13.26 2 950 574 18.6 14.9 79 3.7 16.2 85 6 296.1 298.1 291.3 328.6 11.28 3 926 797 21.4 12.4 56 9.0 15.6 71 8 301.1 302.9 291.7 330.1 9.81 4 925 806 21.2 12.2 56 9.0 15.4 70 8 301.0 302.8 291.6 329.6 9.69 5 865 1384 16.2 13.7 85 2.5 14.6 100 6 301.6 303.7 293.2 335.4 11.47 6 850 1533 16.2 11.2 72 5.0 13.0 115 6 303.1 304.9 292.4 332.5 9.88 7 786 2195 13.8 -1.2 35 15.0 6.1 82 4 307.4 308.2 289.1 321.2 4.46 8 781 2249 13.8 -4.2 28 18.0 5.0 92 4 308.0 308.6 288.5 319.2 3.58 9 743 2670 14.6 -13.4 13 28.0 2.8 175 3 313.3 313.6 288.5 319.3 1.83 10 721 2923 13.0 -16.0 12 29.0 1.5 225 2 314.2 314.5 288.5 319.3 1.52 11 716 2981 12.6 -4.4 30 17.0 4.1 237 2 314.4 315.1 290.7 326.7 3.85 12 709 3064 13.0 -23.0 6 36.0 0.4 248 2 315.7 315.9 288.3 318.6 0.85 13 700 3171 12.2 -22.8 7 35.0 0.0 235 1 316.0 316.2 288.4 319.0 0.87 14 692 3267 11.8 -24.2 6 36.0 -0.4 208 1 316.6 316.7 288.5 319.3 0.78 15 674 3486 10.6 -25.4 6 36.0 -1.3 147 2 317.6 317.8 288.8 320.2 0.72 16 610 4304 3.6 -9.4 38 13.0 -2.2 30 1 318.8 319.4 291.4 328.9 3.07 17 587 4615 2.6 -21.4 15 24.0 -5.5 0 0 321.1 321.4 290.3 325.2 1.18 18 525 5505 -3.7 -28.7 12 25.0 -10.5 264 1 324.0 324.1 290.7 326.4 0.68 19 501 5874 -3.1 -41.1 3 38.0 -11.2 68 3 329.1 329.1 291.7 329.9 0.21 20 500 5890 -3.3 -41.3 3 38.0 -11.3 75 3 329.0 329.1 291.6 329.8 0.21 21 407 7488 -12.9 -45.9 4 33.0 -18.4 162 1 336.5 336.6 293.6 337.2 0.15 22 400 7620 -14.1 -42.1 7 28.0 -19.1 170 1 336.7 336.7 293.7 337.6 0.24 23 300 9730 -30.5 -47.5 17 17.0 -32.3 275 13 342.4 342.4 295.1 343.1 0.17 24 262 10677 -38.5 -52.5 22 14.0 -39.4 52 18 344.2 344.2 295.4 344.6 0.11 TRP WND Sounding variables and indices 1000-500 mb thick: 5757.00 m Freezing level: 561.41 mb = 4982.04 m = 16345.09 ft Wetbulb zero: 699.61 mb = 3175.59 m = 10418.49 ft Precipitable water: 1.01 inches Sfc-500 mean rel hum: 33.94 % Est. max temperature: 29.83 C = 85.70 F Sfc-Lift cond lev (LCL): 966.83 mb = 421.55 m = 1383.02 ft T: 19.14 C 700-500 lapse rate: 5.70 C/km ThetaE index: 16.24 C Layer 850.0- 743.0 mb Conv cond level (CCL): 660.75 mb = 3648.85 m = 11971.16 ft Mean mixing ratio: 11.14 g/kg Conv temperature: 44.18 C = 111.53 F Cap Strength: 8.06 C Lifted Index: 7.81 C Risk: None Lifted Index @300 mb: 9.65 C Lifted Index @700 mb: 7.79 C Showalter Index: 6.76 C Risk: None Total Totals Index: 34.00 C Risk: None Vertical Totals Index: 19.50 C Cross Totals Index: 14.50 C K Index: -4.30 Risk: None Sweat Index: 149.40 Risk: None Energy Index: -0.32 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.08 J/kg Max Up Vert Vel: 8.84 m/s Conv Inhibition (B-): 2666.80 J/kg Cap Strength: 7.92 C Lift Cond Lev (LCL): 874.11 mb = 1293.44 m = 4243.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 114 at 2 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 ---------------------------------------------------------- 0 994 181 80 2 -2.0 -0.3 | 355 1 0.1 -1.3 1 946 610 85 6 -6.0 -0.5 | 70 4 -3.9 -1.4 2 925 806 70 8 -7.5 -2.7 | 56 7 -5.4 -3.6 3 913 914 65 10 -9.1 -4.2 | 54 9 -7.0 -5.1 4 851 1524 110 5 -4.7 1.7 | 107 3 -2.6 0.8 5 850 1533 115 6 -5.4 2.5 | 116 4 -3.4 1.6 6 792 2134 70 4 -3.8 -1.4 | 37 3 -1.7 -2.3 7 710 3048 250 2 1.9 0.7 | 273 4 4.0 -0.2 8 700 3171 235 1 0.8 0.6 | 277 3 2.9 -0.3 9 659 3658 95 2 -2.0 0.2 | 354 1 0.1 -0.7 10 589 4572 0 0 -0.0 -0.0 | 294 2 2.1 -0.9 11 567 4877 0 0 -0.0 -0.0 | 294 2 2.1 -0.9 12 526 5486 260 1 1.0 0.2 | 283 3 3.1 -0.7 13 500 5890 75 3 -2.9 -0.8 | 26 2 -0.8 -1.7 14 487 6096 75 4 -3.9 -1.0 | 43 3 -1.8 -1.9 15 400 7620 170 1 -0.2 1.0 | 268 2 1.9 0.1 16 400 7620 190 1 0.2 1.0 | 268 2 2.2 0.1 17 325 9144 290 15 14.1 -5.1 | 290 17 16.2 -6.0 18 300 9730 275 13 13.0 -1.1 | 278 15 15.0 -2.0 19 260 10668 60 18 -15.6 -9.0 | 54 17 -13.5 -9.9 Wind Parameters Mean winds (0-6000m): 83.6 at 3.0 knts Storm direction: 113.6 at 2.3 knts Shear (0-3000m) pos: 1.2 neg: 0.7 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): -79.7 deg Storm rel helicity (0-3000m) pos: 13.9 neg: -5.0 tot: 8.9 m^2/s^2 ave: 3.0 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 169.69 Bulk Shear: 0.23 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 83 4 58 3| 0.0 4.9 4.9| 1.3 -0.3 1.0 2.0 0.44| 5.1 2.3 1000 76 6 59 5| 0.7 2.4 3.1| 5.9 -2.1 3.8 3.8 0.31| 5.9 1.8 1500 81 6 66 5| 1.0 1.6 2.6| 8.9 -2.8 6.1 4.1 0.33| 5.7 1.8 2000 83 6 67 4| 0.7 1.1 1.8| 9.0 -5.0 4.1 2.0 0.14| 5.1 0.7 2500 86 5 69 4| 1.6 0.9 2.5| 11.3 -5.0 6.3 2.5 0.31| 5.3 1.6 3000 83 5 61 3| 1.2 0.7 1.9| 13.9 -5.0 8.9 3.0 0.37| 5.1 1.9 4000 83 4 54 2| 0.9 0.8 1.7| 14.1 -6.1 8.0 2.0 0.29| 4.5 1.3 5000 84 3 43 2| 0.7 0.5 1.3| 14.2 -6.6 7.5 1.5 0.25| 3.8 1.0 6000 84 3 37 2| 0.3 0.5 0.8| 19.3 -7.2 12.1 2.0 0.34| 3.9 1.3 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20251207.00.gif