UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 27 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 29.2 23.2 70 6.0 24.8 145 3 301.7 305.0 297.7 354.9 18.04 1 1000 73 28.4 23.4 74 5.0 24.7 145 7 301.5 304.9 297.9 355.9 18.41 2 974 307 26.4 22.5 79 3.9 23.6 137 8 301.8 305.1 297.6 354.6 17.89 3 972 325 26.6 21.6 74 5.0 23.0 136 8 302.2 305.3 297.1 352.3 16.94 4 930 716 26.0 14.0 48 12.0 18.0 122 9 305.4 307.4 293.8 338.0 10.86 5 925 764 25.4 16.4 57 9.0 19.2 120 9 305.3 307.7 295.1 343.5 12.78 6 920 812 24.8 18.8 69 6.0 20.5 114 9 305.1 307.9 296.6 350.0 15.01 7 877 1231 22.0 17.6 76 4.4 18.9 60 8 306.4 309.2 296.7 350.3 14.59 8 850 1503 20.2 15.2 73 5.0 16.8 25 7 307.3 309.7 295.8 346.2 12.89 9 846 1544 19.8 14.8 73 5.0 16.4 26 7 307.3 309.7 295.6 345.3 12.61 10 735 2741 13.4 -6.6 24 20.0 3.8 66 8 312.9 313.5 289.7 323.1 3.17 11 729 2810 14.4 -16.6 10 31.0 2.1 69 9 314.8 315.0 288.6 319.5 1.43 12 700 3152 13.8 -19.2 9 33.0 1.2 80 9 317.8 318.0 289.3 321.8 1.19 13 693 3236 13.4 -23.6 6 37.0 0.4 81 9 318.2 318.4 289.1 321.1 0.82 14 634 3976 7.4 -19.6 13 27.0 -2.4 87 10 319.6 319.9 290.0 324.0 1.27 15 611 4279 6.2 -30.8 5 37.0 -4.5 90 11 321.6 321.7 289.8 323.4 0.48 16 596 4482 5.0 -12.0 28 17.0 -2.3 92 11 322.5 323.0 292.0 331.1 2.56 17 571 4830 3.0 -25.0 11 28.0 -6.0 95 11 324.2 324.3 290.9 327.3 0.88 18 555 5059 1.2 -11.8 37 13.0 -4.4 97 12 324.7 325.2 292.8 334.1 2.79 19 512 5703 -2.9 -31.9 9 29.0 -10.4 103 13 327.3 327.4 291.5 329.2 0.52 20 500 5890 -4.1 -30.1 11 26.0 -11.1 105 13 328.0 328.2 291.8 330.3 0.63 21 482 6179 -6.1 -23.1 25 17.0 -11.5 101 12 329.0 329.3 292.6 333.4 1.24 22 452 6680 -8.7 -39.7 6 31.0 -15.0 94 9 331.9 331.9 292.5 332.9 0.27 23 429 7084 -10.7 -26.7 26 16.0 -15.2 88 8 334.3 334.5 293.8 338.0 1.00 24 400 7620 -14.1 -35.1 15 21.0 -18.6 80 5 336.7 336.8 294.0 338.5 0.48 25 387 7870 -15.1 -46.1 5 31.0 -20.0 74 5 338.5 338.6 294.1 339.2 0.16 26 368 8248 -18.3 -35.3 21 17.0 -21.7 64 5 339.2 339.3 294.6 341.2 0.51 27 339 8855 -22.7 -51.7 5 29.0 -26.0 48 5 341.3 341.3 294.7 341.7 0.10 28 300 9740 -29.1 -49.1 13 20.0 -31.2 25 5 344.4 344.4 295.5 345.0 0.15 29 279 10252 -32.9 -52.9 12 20.0 -34.6 49 9 346.1 346.1 295.8 346.5 0.10 30 250 11010 -39.3 -57.3 13 18.0 -40.3 85 15 347.6 347.7 296.2 347.9 0.07 31 249 11037 -39.5 -56.5 15 17.0 -40.5 85 15 347.7 347.8 296.2 348.1 0.07 32 246 11120 -40.1 -56.1 16 16.0 -41.0 85 15 348.1 348.1 296.3 348.4 0.08 33 244 11176 -40.3 -49.3 38 9.0 -41.0 85 15 348.6 348.6 296.5 349.3 0.18 34 242 11232 -40.9 -52.9 26 12.0 -41.6 85 15 348.5 348.5 296.4 349.0 0.12 35 228 11635 -44.5 -50.5 51 6.0 -44.9 85 16 349.0 349.0 296.5 349.7 0.16 36 200 12500 -51.5 -58.5 43 7.0 -51.7 85 17 351.2 351.2 297.0 351.5 0.07 37 198 12565 -52.3 -61.3 33 9.0 -52.5 85 17 351.0 351.0 296.9 351.2 0.05 38 194 12697 -53.5 -57.5 62 4.0 -53.7 84 17 351.1 351.1 297.0 351.4 0.08 39 181 13139 -57.3 -64.3 41 7.0 -57.5 83 18 351.9 351.9 297.1 352.1 0.04 40 167 13643 -61.3 -71.3 25 10.0 -61.4 82 20 353.5 353.5 297.4 353.5 0.02 41 162 13830 -62.7 -67.4 53 4.7 -62.8 81 20 354.2 354.2 297.5 354.3 0.03 42 157 14023 -64.5 -73.5 28 9.0 -64.6 81 20 354.3 354.3 297.5 354.4 0.01 43 150 14300 -66.3 -75.3 27 9.0 -66.4 80 21 355.9 355.9 297.9 355.9 0.01 44 145 14504 -67.9 -78.9 19 11.0 -67.9 83 21 356.6 356.6 298.0 356.6 0.01 45 131 15105 -72.7 -82.7 21 10.0 -72.8 90 21 358.5 358.5 298.4 358.5 0.00 46 100 16650 -81.9 -86.9 42 5.0 -81.9 110 21 369.5 369.5 300.5 369.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5817.00 m Freezing level: 542.41 mb = 5247.50 m = 17216.01 ft Wetbulb zero: 684.17 mb = 3343.06 m = 10967.92 ft Precipitable water: 1.47 inches Sfc-500 mean rel hum: 35.37 % Est. max temperature: 34.60 C = 94.28 F Sfc-Lift cond lev (LCL): 924.38 mb = 769.94 m = 2526.03 ft T: 25.33 C 700-500 lapse rate: 6.54 C/km ThetaE index: 30.73 C Layer 850.0- 700.0 mb Conv cond level (CCL): 792.88 mb = 2095.41 m = 6874.64 ft Mean mixing ratio: 15.40 g/kg Conv temperature: 37.46 C = 99.43 F Cap Strength: 3.44 C Lifted Index: -0.84 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.29 C Lifted Index @700 mb: 3.44 C Showalter Index: 0.27 C Risk: Thunderstorms probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 24.30 C Cross Totals Index: 19.30 C K Index: 6.50 Risk: None Sweat Index: 209.40 Risk: None Energy Index: -2.95 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 123.09 J/kg Max Up Vert Vel: 15.69 m/s Conv Inhibition (B-): 280.23 J/kg Cap Strength: 3.42 C Lift Cond Lev (LCL): 869.20 mb = 1308.88 m = 4294.16 ft Lev Free Conv (LFC): 544.20 mb = 5216.01 m = 17112.70 ft Equ Level (EL): 284.20 mb = 10121.70 m = 33207.27 ft B at Equ Level: 123.08 J/kg Max Parcel Lev (MPL): 174.20 mb = 13378.42 m = 43891.91 ft Wind level data Storm motion: 119 at 7 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 19 145 3 -1.7 2.5 | 283 5 4.5 -1.0 1 1000 73 145 7 -4.0 5.7 | 224 3 2.2 2.2 2 925 764 120 9 -7.8 4.5 | 122 2 -1.6 1.0 3 850 1503 25 7 -3.0 -6.3 | 342 10 3.2 -9.8 4 700 3152 80 9 -8.9 -1.6 | 28 6 -2.7 -5.0 5 500 5890 105 13 -12.6 3.4 | 89 6 -6.4 -0.1 6 400 7620 80 5 -4.9 -0.9 | 344 5 1.3 -4.4 7 300 9740 25 5 -2.1 -4.5 | 333 9 4.1 -8.0 8 250 11010 85 15 -14.9 -1.3 | 61 10 -8.8 -4.8 9 200 12500 85 17 -16.9 -1.5 | 65 12 -10.7 -5.0 10 150 14300 80 21 -20.7 -3.6 | 64 16 -14.5 -7.1 11 100 16650 110 21 -19.7 7.2 | 105 14 -13.5 3.7 Wind Parameters Mean winds (0-6000m): 89.4 at 9.5 knts Storm direction: 119.4 at 7.1 knts Shear (0-3000m) pos: 1.2 neg: 1.5 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 99.6 deg Storm rel helicity (0-3000m) pos: 12.9 neg: -19.4 tot: -6.5 m^2/s^2 ave: -2.2 10^-3 m/s^2 rel: -0.41 Storm rel vorticity (0-3000m) horiz: 4.9 stream: -2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 18.63 Bulk Shear: 6.61 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 ------------------------------------------------------------------------------- 500 137 7 214 2| 0.0 5.6 5.6| 0.0 -4.3 -4.3 -8.5 -0.90| 6.9 -6.1 1000 125 8 161 1| 0.0 3.7 3.7| 0.0 -7.7 -7.7 -7.7 -0.88| 6.8 -6.0 1500 110 8 56 1| 0.0 3.0 3.0| 0.0 -19.4 -19.4 -12.9 -0.81| 7.4 -6.0 2000 91 8 24 4| 0.6 2.3 2.9| 4.9 -19.4 -14.5 -7.2 -0.65| 6.1 -4.0 2500 80 8 17 5| 0.9 1.8 2.8| 9.3 -19.4 -10.2 -4.1 -0.52| 5.4 -2.8 3000 78 8 17 5| 1.2 1.5 2.7| 12.9 -19.4 -6.5 -2.2 -0.41| 4.9 -2.0 4000 80 8 22 5| 1.2 1.1 2.3| 16.5 -19.4 -2.9 -0.7 -0.30| 4.0 -1.2 5000 84 9 31 5| 1.2 0.9 2.1| 19.9 -19.4 0.5 0.1 -0.21| 3.5 -0.7 6000 89 9 42 5| 1.1 0.8 1.9| 23.0 -20.1 2.9 0.5 -0.15| 3.1 -0.5 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250427.12.gif