UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 29 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 1008 19 29.4 22.4 66 7.0 24.3 115 1 301.9 305.0 297.2 352.5 17.16 1 1000 76 29.0 22.0 66 7.0 23.9 120 9 302.1 305.3 297.1 352.0 16.87 2 958 457 25.6 19.6 69 6.0 21.3 114 12 302.4 305.2 296.0 347.2 15.15 3 935 671 25.4 15.4 54 10.0 18.7 111 14 304.3 306.5 294.2 339.7 11.85 4 925 766 24.6 15.6 57 9.0 18.5 110 15 304.5 306.7 294.5 340.7 12.14 5 869 1312 20.8 18.5 87 2.3 19.2 51 12 306.0 308.9 297.3 352.8 15.61 6 850 1503 19.8 15.6 77 4.2 17.0 30 11 306.9 309.4 295.9 346.7 13.23 7 831 1698 19.0 12.0 64 7.0 14.4 36 11 308.0 310.0 294.4 340.4 10.66 8 808 1939 16.8 13.2 79 3.6 14.4 43 11 308.2 310.4 295.3 344.2 11.89 9 722 2893 12.6 4.6 58 8.0 7.9 72 11 313.6 315.1 293.5 336.7 7.39 10 710 3033 11.0 7.5 79 3.5 8.8 76 11 313.4 315.1 294.8 342.0 9.21 11 700 3152 10.6 5.8 72 4.8 7.7 80 11 314.2 315.8 294.3 340.1 8.29 12 689 3284 9.8 5.7 76 4.1 7.3 78 11 314.8 316.4 294.6 340.9 8.37 13 679 3405 9.4 -4.6 37 14.0 2.4 76 11 315.6 316.4 291.3 328.5 4.00 14 664 3589 8.0 -1.0 53 9.0 3.2 74 10 316.1 317.1 292.6 333.1 5.36 15 654 3714 7.6 -6.4 36 14.0 0.9 72 10 317.0 317.7 291.3 328.7 3.62 16 652 3739 7.2 1.2 66 6.0 3.8 72 10 316.8 318.1 293.6 337.2 6.42 17 648 3790 6.6 3.4 80 3.2 4.7 71 10 316.7 318.2 294.4 340.6 7.57 18 644 3841 7.0 -4.0 45 11.0 1.4 70 10 317.7 318.6 292.3 332.0 4.42 19 642 3866 6.8 0.8 66 6.0 3.5 70 10 317.8 319.0 293.8 337.9 6.33 20 640 3892 7.0 -6.0 39 13.0 0.7 69 10 318.3 319.0 291.9 330.7 3.82 21 627 4060 5.6 -8.4 36 14.0 -0.8 67 10 318.6 319.2 291.5 329.2 3.23 22 584 4637 2.8 -4.2 60 7.0 -0.7 58 9 321.8 322.8 293.7 337.5 4.80 23 576 4749 2.2 -7.8 48 10.0 -2.5 57 9 322.4 323.1 293.0 334.6 3.69 24 572 4805 2.8 -21.2 15 24.0 -5.5 56 9 323.8 324.0 291.2 328.0 1.23 25 562 4947 1.8 -26.2 10 28.0 -6.8 54 8 324.2 324.4 290.9 327.1 0.80 26 556 5034 1.2 -30.8 7 32.0 -7.7 53 8 324.5 324.6 290.7 326.4 0.53 27 553 5077 0.8 -11.2 40 12.0 -4.4 52 8 324.5 325.1 292.9 334.4 2.94 28 548 5150 0.4 -9.6 47 10.0 -4.1 51 8 324.9 325.6 293.4 336.2 3.37 29 532 5387 -0.7 -12.7 40 12.0 -5.7 47 8 326.3 326.9 293.2 335.5 2.71 30 525 5493 -1.1 -36.1 5 35.0 -9.6 46 8 327.1 327.2 291.2 328.4 0.33 31 504 5817 -3.3 -9.3 63 6.0 -6.0 41 7 328.3 329.0 294.6 340.9 3.75 32 500 5880 -2.7 -35.7 6 33.0 -10.7 40 7 329.7 329.8 292.0 331.1 0.36 33 495 5960 -2.9 -31.9 9 29.0 -10.6 41 7 330.5 330.6 292.4 332.4 0.53 34 483 6153 -4.1 -36.1 6 32.0 -11.7 44 7 331.3 331.4 292.4 332.7 0.36 35 462 6502 -6.7 -33.7 10 27.0 -13.3 49 7 332.3 332.4 292.8 334.1 0.48 36 459 6553 -7.3 -15.3 53 8.0 -10.4 50 7 332.2 332.7 294.6 341.0 2.54 37 444 6811 -8.9 -25.9 24 17.0 -13.9 53 7 333.3 333.5 293.6 337.1 1.04 38 437 6933 -9.9 -20.9 40 11.0 -13.5 55 7 333.6 333.9 294.2 339.5 1.65 39 433 7004 -9.9 -35.9 10 26.0 -15.7 56 7 334.5 334.5 293.3 336.0 0.41 40 428 7094 -10.7 -21.7 40 11.0 -14.3 57 7 334.5 334.9 294.4 340.2 1.57 41 421 7220 -11.7 -24.7 33 13.0 -15.5 59 7 334.8 335.1 294.1 339.3 1.23 42 414 7348 -12.9 -19.9 56 7.0 -15.2 61 7 334.9 335.3 294.7 341.7 1.90 43 409 7441 -12.9 -36.9 11 24.0 -17.9 63 7 336.1 336.2 293.7 337.6 0.39 44 405 7516 -13.5 -38.5 10 25.0 -18.4 64 7 336.2 336.3 293.7 337.6 0.34 45 400 7610 -14.3 -38.3 11 24.0 -19.0 65 7 336.4 336.5 293.7 337.8 0.35 46 384 7918 -16.7 -29.7 32 13.0 -19.8 66 6 337.2 337.4 294.4 340.4 0.85 47 369 8216 -18.9 -43.9 9 25.0 -22.7 68 5 338.1 338.2 294.1 339.0 0.21 48 365 8297 -19.3 -51.3 4 32.0 -23.3 68 5 338.7 338.7 294.1 339.0 0.09 49 322 9219 -24.5 -45.5 12 21.0 -27.3 73 2 343.8 343.9 295.4 344.7 0.20 50 320 9264 -24.5 -40.5 21 16.0 -27.0 73 2 344.4 344.5 295.7 345.8 0.35 51 300 9730 -28.9 -37.9 42 9.0 -30.3 75 1 344.6 344.8 295.8 346.6 0.49 52 290 9972 -30.9 -37.9 50 7.0 -31.9 85 4 345.2 345.3 296.0 347.1 0.50 53 288 10021 -31.1 -35.8 63 4.7 -31.9 87 5 345.6 345.7 296.2 348.0 0.63 54 260 10739 -35.9 -40.6 62 4.7 -36.5 118 15 348.8 348.8 296.7 350.5 0.42 55 250 11010 -38.3 -43.0 61 4.7 -38.8 130 19 349.1 349.2 296.7 350.5 0.34 56 243 11205 -40.1 -43.3 71 3.2 -40.4 129 18 349.3 349.3 296.8 350.7 0.34 57 200 12500 -51.9 -59.9 38 8.0 -52.1 125 11 350.6 350.6 296.8 350.8 0.06 58 150 14300 -67.7 -72.1 53 4.4 -67.7 100 19 353.5 353.5 297.4 353.5 0.02 59 100 16650 -81.5 -88.5 29 7.0 -81.5 65 5 370.3 370.3 300.6 370.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5804.00 m Freezing level: 542.18 mb = 5236.28 m = 17179.19 ft Wetbulb zero: 634.10 mb = 3967.56 m = 13016.78 ft Precipitable water: 1.86 inches Sfc-500 mean rel hum: 56.48 % Est. max temperature: 34.06 C = 93.31 F Sfc-Lift cond lev (LCL): 911.03 mb = 898.90 m = 2949.11 ft T: 23.67 C 700-500 lapse rate: 4.88 C/km ThetaE index: 12.83 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 786.50 mb = 2167.27 m = 7110.37 ft Mean mixing ratio: 14.49 g/kg Conv temperature: 37.04 C = 98.67 F Cap Strength: 3.11 C Lifted Index: 1.67 C Risk: Showers probable Lifted Index @300 mb: 1.61 C Lifted Index @700 mb: 1.09 C Showalter Index: 1.44 C Risk: Showers probable Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 18.30 C K Index: 33.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 216.20 Risk: None Energy Index: -2.91 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.99 J/kg Max Up Vert Vel: 5.10 m/s Conv Inhibition (B-): 1710.41 J/kg Cap Strength: 3.11 C Lift Cond Lev (LCL): 859.99 mb = 1401.79 m = 4598.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 100 at 8 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 19 115 1 -0.9 0.4 | 277 7 6.7 -0.9 1 1000 76 120 9 -7.8 4.5 | 176 3 -0.2 3.2 2 925 766 110 15 -14.1 5.1 | 121 8 -6.5 3.8 3 850 1503 30 11 -5.5 -9.5 | 349 11 2.1 -10.8 4 700 3152 80 11 -10.8 -1.9 | 46 5 -3.3 -3.2 5 500 5880 40 7 -4.5 -5.4 | 335 7 3.1 -6.6 6 400 7610 65 7 -6.3 -3.0 | 344 4 1.2 -4.2 7 300 9730 75 1 -1.0 -0.3 | 283 7 6.6 -1.5 8 250 11010 130 19 -14.6 12.2 | 147 13 -7.0 10.9 9 200 12500 125 11 -9.0 6.3 | 164 5 -1.4 5.0 10 150 14300 100 19 -18.7 3.3 | 100 11 -11.1 2.0 11 100 16650 65 5 -4.5 -2.1 | 318 5 3.0 -3.4 Wind Parameters Mean winds (0-6000m): 69.6 at 10.2 knts Storm direction: 99.6 at 7.7 knts Shear (0-3000m) pos: 1.5 neg: 1.9 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 120.6 deg Storm rel helicity (0-3000m) pos: 13.5 neg: -47.0 tot: -33.5 m^2/s^2 ave: -11.2 10^-3 m/s^2 rel: -0.58 Storm rel vorticity (0-3000m) horiz: 7.4 stream: -4.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.50 Bulk Shear: 8.65 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 ------------------------------------------------------------------------------- 500 116 10 155 4| 0.0 12.2 12.2| 0.0 -8.9 -8.9 -17.8 -0.89| 14.1-12.6 1000 109 12 125 5| 0.0 6.6 6.6| 0.0 -23.3 -23.3 -23.3 -0.90| 11.7-10.5 1500 96 12 91 5| 0.0 3.8 3.8| 0.0 -47.0 -47.0 -31.3 -0.91| 11.8-10.7 2000 82 12 56 5| 0.7 2.8 3.6| 5.7 -47.0 -41.3 -20.7 -0.78| 9.6 -7.5 2500 76 12 42 6| 1.2 2.3 3.4| 10.1 -47.0 -36.9 -14.8 -0.67| 8.2 -5.5 3000 75 12 39 6| 1.5 1.9 3.3| 13.5 -47.0 -33.5 -11.2 -0.58| 7.4 -4.2 4000 75 11 38 5| 1.1 1.5 2.6| 14.1 -50.1 -36.0 -9.0 -0.58| 5.9 -3.4 5000 72 11 31 5| 0.9 1.3 2.1| 14.1 -53.8 -39.8 -8.0 -0.60| 5.0 -3.0 6000 70 10 23 5| 0.7 1.1 1.8| 14.2 -57.2 -43.0 -7.2 -0.60| 4.4 -2.6 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250429.12.gif