UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 16 APR 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 1009 19 28.6 23.6 74 5.0 24.9 155 5 301.0 304.4 297.8 355.3 18.47 1 1000 83 27.6 23.1 77 4.5 24.3 150 9 300.8 304.1 297.5 353.9 18.07 2 952 517 23.6 21.7 89 1.9 22.2 163 12 301.0 304.1 297.1 352.2 17.42 3 939 638 24.4 19.4 74 5.0 20.9 166 12 303.0 305.8 296.3 348.2 15.27 4 925 770 23.6 18.6 74 5.0 20.1 170 13 303.4 306.2 296.0 347.2 14.74 5 859 1416 20.0 19.1 95 0.9 19.4 30 4 306.2 309.2 297.8 355.5 16.42 6 850 1507 19.8 18.2 90 1.6 18.7 10 3 306.9 309.8 297.5 354.0 15.66 7 738 2714 13.2 7.2 67 6.0 9.5 97 3 312.3 314.0 294.1 339.2 8.67 8 722 2899 11.6 8.4 81 3.2 9.6 111 3 312.6 314.4 294.8 342.3 9.63 9 705 3098 11.2 3.2 58 8.0 6.6 126 3 314.2 315.6 293.2 335.7 6.85 10 700 3158 10.8 6.8 76 4.0 8.3 130 3 314.4 316.1 294.8 342.2 8.90 11 699 3170 10.6 6.7 77 3.9 8.2 130 3 314.4 316.0 294.8 341.9 8.85 12 680 3400 10.2 -1.8 43 12.0 3.8 129 4 316.4 317.3 292.3 332.1 4.93 13 661 3635 8.8 4.7 75 4.1 6.3 127 4 317.4 319.0 295.1 343.1 8.13 14 631 4019 7.4 1.4 66 6.0 4.0 125 5 320.0 321.3 294.7 341.6 6.73 15 567 4889 0.0 -1.5 90 1.5 -0.8 121 7 321.3 322.5 294.5 340.9 6.06 16 530 5428 -2.1 -2.1 100 0.0 -2.1 118 8 325.0 326.2 295.6 345.3 6.20 17 500 5890 -4.9 -4.9 100 0.0 -4.9 115 9 327.1 328.1 295.4 344.7 5.32 18 462 6510 -8.5 -8.8 98 0.3 -8.7 115 14 330.1 330.9 295.4 344.5 4.26 19 454 6645 -9.7 -14.0 71 4.3 -11.4 115 15 330.2 330.8 294.3 340.0 2.85 20 453 6662 -9.7 -10.5 94 0.8 -10.1 115 15 330.4 331.2 295.1 343.3 3.80 21 442 6852 -10.7 -11.5 94 0.8 -11.1 115 17 331.5 332.2 295.2 343.8 3.59 22 432 7029 -11.1 -12.9 87 1.8 -11.8 115 18 333.1 333.8 295.4 344.5 3.28 23 429 7083 -11.1 -19.1 52 8.0 -13.9 115 19 333.8 334.2 294.5 340.8 1.97 24 423 7191 -11.9 -13.2 90 1.3 -12.4 115 19 334.1 334.8 295.6 345.5 3.27 25 420 7246 -11.7 -16.7 66 5.0 -13.6 115 20 335.1 335.6 295.2 343.8 2.47 26 418 7282 -11.9 -15.1 77 3.2 -13.2 115 20 335.3 335.9 295.6 345.2 2.83 27 409 7450 -12.1 -21.1 47 9.0 -15.1 115 22 337.1 337.5 295.1 343.4 1.74 28 405 7525 -12.7 -19.7 56 7.0 -15.1 115 22 337.3 337.7 295.4 344.4 1.98 29 400 7620 -12.9 -26.9 30 14.0 -16.8 115 23 338.2 338.4 294.8 342.1 1.06 30 393 7754 -13.5 -33.5 17 20.0 -18.1 115 22 339.2 339.3 294.6 341.4 0.58 31 349 8645 -20.3 -28.3 49 8.0 -22.2 113 17 341.7 341.9 295.7 345.7 1.06 32 315 9397 -24.7 -44.7 14 20.0 -27.5 111 13 345.7 345.8 295.9 346.6 0.23 33 300 9750 -27.9 -44.9 18 17.0 -30.0 110 11 346.1 346.1 296.0 347.0 0.23 34 288 10041 -30.3 -49.3 14 19.0 -32.2 94 10 346.7 346.7 296.0 347.3 0.15 35 286 10091 -30.7 -40.7 37 10.0 -32.0 92 9 346.8 346.9 296.3 348.3 0.38 36 279 10266 -32.1 -40.1 45 8.0 -33.2 82 9 347.3 347.4 296.4 348.9 0.42 37 270 10496 -33.9 -55.9 9 22.0 -35.5 70 8 347.9 347.9 296.3 348.2 0.07 38 263 10680 -35.5 -45.5 35 10.0 -36.5 59 7 348.2 348.3 296.4 349.2 0.25 39 257 10840 -36.7 -53.7 16 17.0 -37.9 51 6 348.7 348.8 296.4 349.2 0.10 40 250 11030 -38.7 -53.7 19 15.0 -39.7 40 5 348.5 348.6 296.4 349.0 0.10 41 232 11538 -43.3 -48.1 59 4.8 -43.6 53 4 349.1 349.1 296.6 349.9 0.21 42 200 12520 -51.5 -62.5 26 11.0 -51.8 80 1 351.2 351.2 297.0 351.4 0.04 43 187 12952 -55.7 -60.5 55 4.8 -55.8 53 4 351.2 351.3 297.0 351.5 0.06 44 180 13193 -57.7 -64.7 40 7.0 -57.8 38 5 351.8 351.8 297.1 352.0 0.04 45 178 13264 -58.3 -69.3 23 11.0 -58.5 33 6 352.0 352.0 297.1 352.1 0.02 46 153 14200 -65.3 -71.3 43 6.0 -65.4 333 12 355.6 355.6 297.8 355.6 0.02 47 150 14320 -66.1 -72.1 43 6.0 -66.1 325 13 356.2 356.2 298.0 356.3 0.02 48 109 16180 -80.9 -85.1 49 4.2 -80.9 67 11 362.4 362.4 299.2 362.4 0.00 49 100 16660 -83.5 -88.2 44 4.7 -83.5 95 11 366.4 366.4 299.9 366.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5807.00 m Freezing level: 567.00 mb = 4889.04 m = 16039.95 ft Wetbulb zero: 577.66 mb = 4737.46 m = 15542.66 ft Precipitable water: 2.38 inches Sfc-500 mean rel hum: 80.16 % Est. max temperature: 33.81 C = 92.86 F Sfc-Lift cond lev (LCL): 938.77 mb = 640.26 m = 2100.55 ft T: 24.39 C 700-500 lapse rate: 5.75 C/km ThetaE index: 16.30 C Layer 850.0- 722.0 mb Conv cond level (CCL): 835.12 mb = 1657.82 m = 5438.98 ft Mean mixing ratio: 16.74 g/kg Conv temperature: 35.21 C = 95.38 F Cap Strength: 2.29 C Lifted Index: -2.40 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.20 C Lifted Index @700 mb: -0.12 C Showalter Index: -3.34 C Risk: Severe thunderstorms possible Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 23.10 C K Index: 38.90 Risk: > 80 % chance of thunderstorms Sweat Index: 233.40 Risk: None Energy Index: -1.90 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 323.91 J/kg Max Up Vert Vel: 25.45 m/s Conv Inhibition (B-): 94.45 J/kg Cap Strength: 2.29 C Lift Cond Lev (LCL): 906.65 mb = 944.79 m = 3099.65 ft Lev Free Conv (LFC): 731.65 mb = 2786.76 m = 9142.81 ft Equ Level (EL): 681.65 mb = 3379.42 m = 11087.21 ft B at Equ Level: 17.33 J/kg Max Parcel Lev (MPL): 121.65 mb = 15540.09 m = 50983.94 ft Wind level data Storm motion: 161 at 5 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 1009 19 155 5 -2.1 4.5 | 113 1 -0.6 0.3 1 1000 83 150 9 -4.5 7.8 | 140 5 -3.0 3.5 2 925 770 170 13 -2.3 12.8 | 175 9 -0.7 8.5 3 850 1507 10 3 -0.5 -3.0 | 352 7 1.0 -7.2 4 700 3158 130 3 -2.3 1.9 | 18 2 -0.8 -2.4 5 500 5890 115 9 -8.2 3.8 | 86 7 -6.6 -0.5 6 400 7620 115 23 -20.8 9.7 | 106 20 -19.3 5.4 7 300 9750 110 11 -10.3 3.8 | 87 9 -8.8 -0.5 8 250 11030 40 5 -3.2 -3.8 | 12 8 -1.7 -8.1 9 200 12520 80 1 -1.0 -0.2 | 353 4 0.5 -4.5 10 150 14320 325 13 7.5 -10.6 | 329 17 9.0 -14.9 11 100 16660 95 11 -11.0 1.0 | 71 10 -9.4 -3.3 Wind Parameters Mean winds (0-6000m): 130.5 at 6.1 knts Storm direction: 160.5 at 4.5 knts Shear (0-3000m) pos: 2.0 neg: 2.4 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): -91.4 deg Storm rel helicity (0-3000m) pos: 11.3 neg: -46.7 tot: -35.4 m^2/s^2 ave: -11.8 10^-3 m/s^2 rel: -0.41 Storm rel vorticity (0-3000m) horiz: 6.7 stream: -2.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 95.19 Bulk Shear: 3.40 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 ------------------------------------------------------------------------------- 500 157 10 153 5| 6.8 0.0 6.8| 3.9 0.0 3.9 7.7 0.48| 7.7 3.7 1000 158 11 156 6| 3.4 4.4 7.8| 6.2 -20.0 -13.7 -13.7 -0.30| 10.3 -3.1 1500 162 9 164 5| 2.3 4.9 7.2| 6.2 -46.7 -40.5 -27.0 -0.57| 11.5 -6.6 2000 157 8 151 3| 2.0 3.7 5.7| 9.2 -46.7 -37.5 -18.7 -0.49| 9.1 -4.5 2500 151 7 132 2| 2.0 2.9 5.0| 10.9 -46.7 -35.8 -14.3 -0.44| 7.7 -3.4 3000 149 6 121 2| 2.0 2.4 4.4| 11.3 -46.7 -35.4 -11.8 -0.41| 6.7 -2.8 4000 145 6 99 2| 1.6 1.7 3.3| 12.5 -46.8 -34.3 -8.6 -0.35| 5.3 -1.9 5000 138 6 87 2| 1.3 1.3 2.6| 13.7 -46.8 -33.1 -6.6 -0.30| 4.5 -1.4 6000 131 6 84 3| 1.1 1.1 2.1| 15.3 -46.8 -31.4 -5.2 -0.26| 4.0 -1.0 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250416.12.gif