UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for VTUN... Searching the city database file for: VTUN ... Date:0000Z 10 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 140 0 0 SFC 995 181 18.8 17.5 92 1.3 17.9 0 0 292.4 294.6 291.3 328.5 12.74 2 949 589 18.2 13.7 75 4.5 15.3 57 20 295.7 297.6 290.5 325.8 10.43 3 925 809 16.6 14.1 85 2.5 15.0 65 19 296.3 298.3 291.2 328.0 11.00 4 858 1449 13.4 11.2 87 2.2 12.0 43 13 299.4 301.2 291.2 328.0 9.78 5 850 1528 13.6 9.4 76 4.2 11.0 45 11 300.4 302.0 290.6 326.2 8.74 6 842 1608 13.6 7.6 67 6.0 10.0 61 12 301.2 302.6 290.0 324.3 7.80 7 807 1965 12.4 11.3 93 1.1 11.7 135 15 303.6 305.5 293.0 334.8 10.48 8 796 2081 12.6 6.6 67 6.0 9.0 158 16 305.0 306.4 291.2 328.2 7.70 9 781 2240 11.6 8.9 83 2.7 9.9 167 16 305.6 307.3 292.6 333.3 9.20 10 772 2338 11.8 9.9 88 1.9 10.6 165 17 306.8 308.7 293.6 336.9 9.97 11 705 3092 7.0 6.8 99 0.2 6.9 141 19 309.6 311.3 293.4 336.6 8.83 12 700 3151 7.4 6.7 95 0.7 7.0 135 18 310.7 312.4 293.8 337.8 8.83 13 690 3270 8.8 -2.2 46 11.0 3.1 129 18 313.5 314.4 291.3 328.4 4.72 14 689 3282 9.0 0.0 53 9.0 4.1 129 17 313.9 314.9 292.1 331.4 5.56 15 687 3306 8.8 4.7 75 4.1 6.4 127 17 313.9 315.4 293.9 338.3 7.82 16 673 3476 8.8 -1.2 49 10.0 3.5 119 17 315.8 316.8 292.3 332.3 5.21 17 665 3575 8.4 1.4 61 7.0 4.5 114 16 316.4 317.6 293.4 336.6 6.38 18 656 3687 9.2 -29.8 4 39.0 -2.4 110 16 318.5 318.6 288.8 320.3 0.49 19 635 3955 6.6 -0.4 61 7.0 2.8 107 17 318.5 319.7 293.7 337.3 5.86 20 602 4392 5.2 -9.8 33 15.0 -1.6 102 18 321.8 322.4 292.2 331.9 3.02 21 564 4919 0.0 -4.7 71 4.7 -2.3 99 20 321.8 322.7 293.7 337.4 4.79 22 548 5150 1.2 -28.8 9 30.0 -7.5 91 21 325.8 326.0 291.2 328.2 0.65 23 500 5880 -4.1 -31.1 10 27.0 -11.2 70 20 328.0 328.2 291.7 330.1 0.57 24 475 6284 -6.9 -33.9 10 27.0 -13.3 75 18 329.4 329.5 292.0 331.1 0.46 25 469 6383 -7.7 -21.7 32 14.0 -12.2 75 18 329.6 329.9 293.0 334.7 1.44 26 465 6450 -8.1 -37.1 8 29.0 -14.3 75 18 329.9 330.0 292.0 331.2 0.34 27 432 7021 -10.9 -43.9 5 33.0 -16.7 75 15 333.4 333.4 292.8 334.1 0.18 28 423 7183 -11.3 -40.3 7 29.0 -16.9 75 15 334.9 335.0 293.3 336.0 0.27 29 415 7329 -12.7 -19.7 56 7.0 -15.0 75 14 334.9 335.3 294.7 341.8 1.93 30 409 7441 -13.7 -18.7 66 5.0 -15.4 75 14 335.0 335.5 295.0 342.6 2.14 31 400 7610 -15.1 -20.1 66 5.0 -16.7 75 13 335.4 335.8 294.8 342.3 1.94 32 385 7896 -17.5 -21.1 73 3.6 -18.6 69 13 335.9 336.3 294.9 342.5 1.85 33 380 7994 -17.7 -23.7 59 6.0 -19.4 66 12 336.9 337.2 294.8 342.3 1.49 34 369 8213 -17.3 -36.3 17 19.0 -21.1 57 10 340.3 340.4 294.8 342.1 0.46 35 315 9372 -27.3 -36.3 42 9.0 -28.8 29 4 342.1 342.2 295.3 344.2 0.54 36 300 9720 -29.9 -42.9 27 13.0 -31.5 45 5 343.2 343.3 295.4 344.4 0.29 37 259 10748 -38.5 -50.5 27 12.0 -39.4 200 7 345.3 345.3 295.7 345.9 0.14 38 250 10990 -40.9 -49.9 37 9.0 -41.5 200 8 345.3 345.3 295.7 345.9 0.16 39 246 11100 -41.9 -45.4 69 3.5 -42.2 197 9 345.4 345.4 295.8 346.4 0.27 40 233 11466 -45.1 -48.3 70 3.2 -45.3 188 11 345.9 346.0 295.9 346.8 0.21 41 229 11582 -45.7 -51.7 51 6.0 -46.0 185 11 346.7 346.7 296.0 347.3 0.14 42 212 12092 -50.3 -53.1 72 2.8 -50.4 173 14 347.3 347.3 296.1 347.8 0.13 43 203 12374 -52.9 -57.7 56 4.8 -53.1 164 18 347.5 347.5 296.1 347.8 0.08 44 200 12470 -53.5 -61.5 37 8.0 -53.7 160 20 348.0 348.1 296.3 348.3 0.05 45 183 13036 -58.1 -71.1 17 13.0 -58.3 153 24 349.5 349.5 296.5 349.6 0.01 46 161 13831 -64.5 -72.5 32 8.0 -64.6 147 30 351.8 351.8 297.0 351.8 0.01 47 153 14140 -66.7 -76.7 23 10.0 -66.8 153 35 353.2 353.2 297.3 353.2 0.01 48 150 14260 -67.5 -78.5 19 11.0 -67.5 155 37 353.8 353.8 297.4 353.8 0.01 49 144 14505 -68.9 -83.9 10 15.0 -68.9 159 37 355.5 355.5 297.8 355.5 0.00 50 100 16610 -82.5 -91.5 20 9.0 -82.5 180 7 368.3 368.3 300.2 368.3 0.00 51 84 17576 -86.1 -93.1 27 7.0 -86.1 50 10 379.9 379.9 302.2 379.9 0.00 52 72 18423 -85.3 -92.3 27 7.0 -85.3 101 20 398.7 398.7 305.0 398.7 0.00 53 70 18580 -81.1 -90.1 20 9.0 -81.1 125 21 410.9 410.9 306.6 410.9 0.00 54 60 19470 -71.3 -88.3 6 17.0 -71.4 74 14 451.3 451.3 311.0 451.3 0.00 55 55 19984 -72.1 -89.1 6 17.0 -72.2 61 12 460.9 460.9 311.8 460.9 0.00 56 50 20550 -69.3 -90.3 3 21.0 -69.5 80 16 480.2 480.2 313.5 480.2 0.00 57 46 21050 -64.7 -89.7 2 25.0 -65.0 90 17 502.9 502.9 315.1 502.9 0.00 58 44 21319 -66.1 -90.1 2 24.0 -66.4 95 18 505.9 505.9 315.4 505.9 0.00 59 30 23680 -57.5 -86.5 1 29.0 -58.7 95 17 587.9 587.9 320.0 587.9 0.01 60 26 24589 -55.1 -85.1 1 30.0 -56.9 103 17 619.3 619.3 321.5 619.3 0.01 61 22 25649 -58.1 -86.1 2 28.0 -59.6 97 17 640.6 640.6 322.3 640.7 0.01 TRP 84 17576 -86.1 -93.1 27 7.0 -86.1 50 10 379.9 379.9 302.2 379.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5740.00 m Freezing level: 537.13 mb = 5315.24 m = 17438.24 ft Wetbulb zero: 659.18 mb = 3647.34 m = 11966.19 ft Precipitable water: 1.50 inches Sfc-500 mean rel hum: 61.89 % Est. max temperature: 27.32 C = 81.17 F Sfc-Lift cond lev (LCL): 976.34 mb = 344.24 m = 1129.40 ft T: 18.56 C 700-500 lapse rate: 4.21 C/km ThetaE index: 6.60 C Layer 796.0- 781.0 mb Conv cond level (CCL): 782.52 mb = 2224.12 m = 7296.88 ft Mean mixing ratio: 11.11 g/kg Conv temperature: 31.96 C = 89.53 F Cap Strength: 9.09 C Lifted Index: 8.42 C Risk: None Lifted Index @300 mb: 12.06 C Lifted Index @700 mb: 4.04 C Showalter Index: 9.01 C Risk: None Total Totals Index: 31.20 C Risk: None Vertical Totals Index: 17.70 C Cross Totals Index: 13.50 C K Index: 26.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 154.80 Risk: None Energy Index: 1.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.89 J/kg Max Up Vert Vel: 6.15 m/s Conv Inhibition (B-): 30988.15 J/kg Cap Strength: 9.03 C Lift Cond Lev (LCL): 904.62 mb = 998.55 m = 3276.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 130 at 13 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 ---------------------------------------------------------- 0 995 181 0 0 -0.0 -0.0 | 310 13 9.9 -8.2 1 947 610 60 21 -18.2 -10.5 | 24 20 -8.2 -18.7 2 925 809 65 19 -17.2 -8.0 | 24 18 -7.3 -16.3 3 914 914 65 18 -16.3 -7.6 | 22 17 -6.4 -15.8 4 850 1524 40 12 -7.7 -9.2 | 353 18 2.2 -17.4 5 850 1528 45 11 -7.8 -7.8 | 352 16 2.2 -16.0 6 791 2134 170 16 -2.8 15.8 | 224 10 7.2 7.5 7 709 3048 145 19 -10.9 15.6 | 173 7 -0.9 7.3 8 700 3151 135 18 -12.7 12.7 | 148 5 -2.8 4.5 9 658 3658 110 16 -15.0 5.5 | 62 6 -5.1 -2.8 10 588 4572 100 18 -17.7 3.1 | 57 9 -7.8 -5.1 11 566 4877 100 20 -19.7 3.5 | 64 11 -9.7 -4.8 12 525 5486 80 23 -22.7 -4.0 | 46 18 -12.7 -12.2 13 500 5880 70 20 -18.8 -6.8 | 30 17 -8.8 -15.1 14 486 6096 75 19 -18.4 -4.9 | 33 16 -8.4 -13.1 15 400 7610 75 13 -12.6 -3.4 | 13 12 -2.6 -11.6 16 399 7620 80 15 -14.8 -2.6 | 24 12 -4.8 -10.8 17 325 9144 20 3 -1.0 -2.8 | 321 14 8.9 -11.1 18 300 9720 45 5 -3.5 -3.5 | 331 13 6.4 -11.8 19 262 10668 200 7 2.4 6.6 | 278 12 12.3 -1.7 20 250 10990 200 8 2.7 7.5 | 273 13 12.7 -0.7 21 209 12192 170 15 -2.6 14.8 | 228 10 7.3 6.5 22 200 12470 160 20 -6.8 18.8 | 196 11 3.1 10.6 23 164 13716 145 28 -16.1 22.9 | 157 16 -6.1 14.7 24 150 14260 155 37 -15.6 33.5 | 167 26 -5.7 25.3 25 127 15240 170 37 -6.4 36.4 | 187 28 3.5 28.2 26 103 16459 165 15 -3.9 14.5 | 224 9 6.1 6.3 27 100 16610 180 7 0.0 7.0 | 277 10 9.9 -1.2 28 84 17576 50 10 -7.7 -6.4 | 351 15 2.3 -14.7 29 74 18288 80 19 -18.7 -3.3 | 37 14 -8.8 -11.5 30 70 18580 125 21 -17.2 12.0 | 118 8 -7.3 3.8 31 57 19812 55 11 -9.0 -6.3 | 356 15 0.9 -14.5 32 50 20550 80 16 -15.8 -2.8 | 28 12 -5.8 -11.0 33 44 21336 95 18 -17.9 1.6 | 50 10 -8.0 -6.7 34 34 22860 75 21 -20.3 -5.4 | 37 17 -10.3 -13.7 35 30 23680 95 17 -16.9 1.5 | 46 10 -7.0 -6.8 36 25 24384 105 17 -16.4 4.4 | 59 8 -6.5 -3.8 37 17 25908 80 16 -15.8 -2.8 | 28 12 -5.8 -11.0 Wind Parameters Mean winds (0-6000m): 99.6 at 17.2 knts Storm direction: 129.6 at 12.9 knts Shear (0-3000m) pos: 3.0 neg: 0.9 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): -166.1 deg Storm rel helicity (0-3000m) pos: 134.3 neg: -62.5 tot: 71.8 m^2/s^2 ave: 23.9 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 13.5 stream: 3.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.18 Bulk Shear: 16.04 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 60 12 2 14| 20.9 0.0 20.9|105.5 0.0 105.5 211.1 0.93| 25.1 23.4 1000 61 15 11 16| 10.4 2.8 13.2|105.7 -22.0 83.8 83.8 0.58| 16.0 9.3 1500 59 14 8 16| 6.1 1.9 7.9|119.1 -41.4 77.7 51.8 0.41| 14.7 6.0 2000 71 14 15 13| 4.5 1.4 5.9|134.3 -41.4 92.9 46.5 0.49| 17.3 8.5 2500 93 15 33 9| 3.6 0.3 3.9|134.3 -50.9 83.4 33.4 0.40| 14.7 6.0 3000 108 15 53 6| 3.0 0.9 3.9|134.3 -62.5 71.8 23.9 0.29| 13.5 3.9 4000 110 16 60 6| 2.3 1.8 4.0|134.3 -71.7 62.6 15.7 0.17| 11.3 2.0 5000 107 16 59 7| 1.8 2.1 3.9|137.5 -79.1 58.4 11.7 0.15| 9.8 1.5 6000 100 17 53 9| 1.5 1.9 3.4|140.1-112.0 28.1 4.7 0.07| 9.2 0.6 Wrote GIF file: /home/apache/climate/data/raob//VTUN/skewt/VTUN.skewt.20251210.00.gif