UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 21 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 1012 19 28.2 25.2 84 3.0 26.0 0 0 300.3 304.0 298.7 360.1 20.33 1 925 792 22.0 20.7 92 1.3 21.1 120 15 301.8 304.9 297.0 351.5 16.84 2 903 1001 20.6 18.9 90 1.7 19.4 110 16 302.4 305.3 296.2 348.0 15.40 3 854 1484 19.2 13.2 68 6.0 15.3 87 17 305.8 307.9 294.2 339.6 11.24 4 850 1524 19.2 12.2 64 7.0 14.7 85 17 306.3 308.2 293.9 338.0 10.56 5 846 1565 19.6 10.6 56 9.0 13.8 86 17 307.1 308.9 293.3 335.9 9.53 6 797 2076 15.6 13.6 88 2.0 14.3 93 18 308.1 310.4 295.6 345.6 12.38 7 755 2535 13.6 6.6 63 7.0 9.4 100 18 310.7 312.3 293.3 335.8 8.12 8 738 2727 12.4 8.5 77 3.9 10.0 103 18 311.5 313.3 294.5 340.7 9.48 9 701 3159 11.4 -1.6 40 13.0 4.5 110 19 315.0 315.9 291.8 330.4 4.85 10 700 3171 11.4 -0.6 43 12.0 4.9 110 19 315.1 316.1 292.2 331.7 5.23 11 683 3376 10.2 -5.8 32 16.0 2.4 112 19 316.0 316.7 291.0 327.7 3.63 12 678 3437 9.6 -0.4 50 10.0 4.2 113 19 316.0 317.0 292.6 333.4 5.49 13 669 3548 9.4 -7.6 29 17.0 1.4 114 18 317.0 317.6 291.0 327.5 3.23 14 646 3836 6.4 1.8 72 4.6 3.8 117 18 316.8 318.1 293.9 338.2 6.76 15 630 4042 6.4 -15.6 19 22.0 -2.3 119 18 319.0 319.4 290.3 325.1 1.80 16 620 4173 5.2 -5.8 45 11.0 -0.2 121 18 319.1 319.9 292.3 332.1 4.00 17 593 4536 3.4 -10.6 35 14.0 -2.7 125 17 321.1 321.7 291.9 330.7 2.87 18 586 4632 3.4 -17.6 20 21.0 -4.5 126 17 322.2 322.5 291.1 327.8 1.64 19 581 4701 2.8 -10.2 38 13.0 -3.0 127 17 322.3 322.9 292.4 332.4 3.03 20 571 4842 2.0 -21.0 16 23.0 -6.0 128 17 323.0 323.2 291.0 327.3 1.25 21 531 5424 -1.9 -14.9 36 13.0 -7.0 135 16 325.1 325.5 292.4 332.8 2.26 22 525 5514 -2.3 -23.3 18 21.0 -9.0 136 16 325.7 325.9 291.6 329.6 1.11 23 511 5729 -3.9 -10.9 58 7.0 -7.0 138 15 326.2 326.9 293.6 337.2 3.26 24 500 5900 -5.3 -12.3 58 7.0 -8.2 140 15 326.6 327.2 293.5 336.7 2.98 25 487 6106 -7.3 -12.3 67 5.0 -9.4 326.6 327.2 293.6 336.9 3.06 26 458 6583 -8.7 -25.7 24 17.0 -13.6 330.6 330.8 292.9 334.3 1.03 TRP WND Sounding variables and indices 1000-500 mb thick: 5778.42 m Freezing level: 550.49 mb = 5140.40 m = 16864.64 ft Wetbulb zero: 635.98 mb = 3964.68 m = 13007.31 ft Precipitable water: 1.90 inches Sfc-500 mean rel hum: 57.68 % Est. max temperature: 33.17 C = 91.71 F Sfc-Lift cond lev (LCL): 969.45 mb = 388.37 m = 1274.16 ft T: 25.24 C 700-500 lapse rate: 6.12 C/km ThetaE index: 24.20 C Layer 925.0- 797.0 mb Conv cond level (CCL): 925.00 mb = 792.00 m = 2598.39 ft Mean mixing ratio: 18.29 g/kg Conv temperature: 29.72 C = 85.50 F Cap Strength: 0.83 C Lifted Index: -4.09 C Risk: Severe thunderstorms probable Lifted Index @700 mb: -0.57 C Showalter Index: 2.30 C Risk: Showers probable Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 17.50 C K Index: 24.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 195.40 Risk: None Energy Index: -0.22 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 372.60 J/kg Max Up Vert Vel: 27.30 m/s Conv Inhibition (B-): 0.80 J/kg Cap Strength: 0.74 C Lift Cond Lev (LCL): 934.14 mb = 707.46 m = 2321.02 ft Lev Free Conv (LFC): 919.14 mb = 847.23 m = 2779.59 ft Equ Level (EL): 859.14 mb = 1431.64 m = 4696.94 ft B at Equ Level: 9.03 J/kg Wind level data Storm motion: 143 at 12 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 1012 19 0 0 -0.0 -0.0 | 323 12 7.4 -9.8 1 1000 0 150 3 -1.5 2.6 | 321 9 5.9 -7.2 2 925 792 120 15 -13.0 7.5 | 68 6 -5.6 -2.3 3 850 1524 85 17 -16.9 -1.5 | 40 15 -9.6 -11.2 4 700 3171 110 19 -17.9 6.5 | 73 11 -10.5 -3.3 5 500 5900 140 15 -9.6 11.5 | 127 3 -2.3 1.7 Wind Parameters Mean winds (0-6000m): 112.9 at 16.3 knts Storm direction: 142.9 at 12.2 knts Shear (0-3000m) pos: 1.2 neg: 2.7 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 108.5 deg Storm rel helicity (0-3000m) pos: 29.2 neg: -13.3 tot: 15.9 m^2/s^2 ave: 5.3 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 1.5 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 30.50 Bulk Shear: 12.22 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 ------------------------------------------------------------------------------- 500 126 7 343 6| 0.0 8.1 8.1| 4.1 0.0 4.1 8.2 0.49| 8.2 4.0 1000 121 11 23 5| 0.0 6.8 6.8| 7.2 -2.3 4.9 4.9 0.37| 8.1 3.0 1500 110 13 40 7| 0.0 5.4 5.4| 7.2 -13.3 -6.1 -4.1 0.10| 7.7 0.8 2000 103 14 43 9| 0.6 4.1 4.7| 14.7 -13.3 1.4 0.7 0.17| 6.4 1.1 2500 101 15 46 10| 1.0 3.3 4.2| 22.1 -13.3 8.8 3.5 0.24| 5.6 1.3 3000 102 15 50 10| 1.2 2.7 3.9| 29.2 -13.3 15.9 5.3 0.29| 5.1 1.5 4000 105 16 56 10| 1.3 2.0 3.3| 35.4 -13.3 22.1 5.5 0.33| 4.4 1.4 5000 109 16 62 9| 1.3 1.6 2.9| 38.6 -13.3 25.4 5.1 0.35| 3.9 1.3 6000 NO DATA | 1.3 1.5 2.8| | Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250421.00.gif