UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 20 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 1010 19 27.8 25.2 86 2.6 25.9 0 0 300.1 303.8 298.7 360.0 20.37 1 1000 88 26.6 24.4 88 2.2 25.0 105 7 299.8 303.3 298.1 357.2 19.59 2 965 403 23.8 23.5 98 0.3 23.6 121 8 300.0 303.5 298.0 356.4 19.22 3 954 503 23.8 19.2 75 4.6 20.6 126 8 301.0 303.7 295.4 344.6 14.84 4 925 774 22.2 17.4 74 4.8 18.9 140 9 302.0 304.5 294.8 342.3 13.64 5 912 897 21.8 15.8 69 6.0 17.7 132 10 302.8 305.1 294.3 339.8 12.47 6 902 993 22.0 13.0 57 9.0 16.1 125 10 304.0 305.9 293.1 335.3 10.49 7 896 1051 21.4 15.4 69 6.0 17.4 121 11 303.9 306.2 294.5 340.8 12.37 8 881 1198 22.0 10.0 46 12.0 14.4 111 11 306.0 307.7 292.4 332.5 8.78 9 879 1218 21.8 9.8 46 12.0 14.3 110 11 306.0 307.7 292.3 332.2 8.68 10 863 1377 20.0 17.3 84 2.7 18.1 99 12 305.8 308.5 296.5 349.4 14.55 11 850 1508 19.0 16.9 88 2.1 17.5 90 13 306.0 308.7 296.5 349.3 14.40 12 838 1630 18.8 12.8 68 6.0 14.8 91 13 307.1 309.2 294.5 340.7 11.15 13 807 1953 16.4 14.9 91 1.5 15.4 93 14 307.9 310.4 296.2 348.1 13.32 14 796 2069 16.0 14.0 88 2.0 14.7 93 14 308.6 311.0 296.0 347.2 12.73 15 789 2145 17.0 -1.0 29 18.0 7.5 94 15 310.5 311.3 290.2 324.6 4.51 16 769 2363 15.6 1.6 39 14.0 7.8 95 15 311.3 312.3 291.3 328.7 5.59 17 744 2643 15.2 -10.8 16 26.0 3.7 97 16 313.8 314.2 289.1 321.2 2.25 18 728 2827 13.8 -1.2 35 15.0 5.8 98 16 314.2 315.1 291.6 329.5 4.81 19 712 3015 12.8 -11.2 18 24.0 2.2 99 17 315.1 315.6 289.5 322.6 2.28 20 700 3157 11.2 0.2 47 11.0 5.2 100 17 314.9 316.0 292.4 332.4 5.55 21 693 3241 10.4 1.4 54 9.0 5.4 100 17 314.9 316.1 292.9 334.2 6.12 22 644 3847 7.6 -15.4 18 23.0 -1.6 98 17 318.4 318.8 290.1 324.4 1.79 23 615 4224 4.4 -6.6 45 11.0 -0.9 96 18 319.0 319.7 292.1 331.3 3.79 24 579 4713 2.2 -19.8 18 22.0 -5.5 94 18 321.9 322.2 290.7 326.7 1.37 25 544 5213 -1.1 -17.1 28 16.0 -7.0 93 18 323.8 324.2 291.7 330.1 1.84 26 521 5556 -3.7 -10.7 58 7.0 -6.7 91 19 324.7 325.3 293.2 335.6 3.25 27 518 5601 -3.9 -9.9 63 6.0 -6.5 91 19 325.0 325.7 293.4 336.6 3.48 28 500 5880 -4.5 -17.5 35 13.0 -9.2 90 19 327.6 327.9 292.9 334.3 1.93 29 499 5896 -4.3 -19.3 30 15.0 -9.6 90 19 328.0 328.3 292.7 333.8 1.66 30 488 6071 -5.5 -16.5 42 11.0 -9.6 91 19 328.6 329.0 293.3 336.1 2.16 31 483 6152 -5.9 -19.9 32 14.0 -10.7 92 19 329.1 329.4 293.0 334.8 1.63 32 481 6185 -5.9 -37.9 6 32.0 -12.9 92 19 329.5 329.5 291.9 330.6 0.30 33 476 6267 -6.5 -23.5 25 17.0 -11.8 92 19 329.7 330.0 292.8 334.0 1.21 34 470 6366 -6.5 -33.5 10 27.0 -13.0 93 19 330.9 331.0 292.4 332.7 0.48 35 449 6722 -9.5 -21.5 37 12.0 -13.4 95 19 331.5 331.8 293.6 336.9 1.53 36 448 6739 -9.7 -22.7 34 13.0 -13.7 95 19 331.5 331.7 293.4 336.4 1.38 37 420 7237 -11.1 -36.1 11 25.0 -16.6 98 19 335.8 335.9 293.7 337.4 0.42 38 400 7610 -13.5 -39.5 9 26.0 -18.5 100 19 337.4 337.5 294.0 338.7 0.31 39 370 8197 -17.7 -50.7 4 33.0 -22.1 100 16 339.5 339.5 294.3 339.9 0.10 40 300 9730 -28.3 -53.3 7 25.0 -30.7 100 7 345.5 345.5 295.7 345.9 0.09 41 263 10660 -36.7 -54.7 14 18.0 -37.9 86 11 346.4 346.5 295.9 346.8 0.09 42 250 11010 -39.3 -61.3 8 22.0 -40.4 80 13 347.6 347.6 296.1 347.8 0.04 43 223 11783 -45.3 -67.3 7 22.0 -46.0 83 19 350.0 350.0 296.7 350.1 0.02 44 200 12500 -51.7 -67.7 13 16.0 -52.1 85 25 350.9 350.9 296.8 351.0 0.02 45 165 13718 -62.1 -71.1 29 9.0 -62.2 85 25 353.3 353.3 297.4 353.4 0.02 46 158 13985 -64.5 -70.5 43 6.0 -64.6 85 25 353.7 353.7 297.4 353.8 0.02 47 150 14300 -67.1 -74.1 36 7.0 -67.1 85 25 354.5 354.5 297.6 354.5 0.01 48 124 15421 -75.5 -82.5 33 7.0 -75.5 85 25 359.1 359.1 298.5 359.1 0.00 49 103 16475 -82.1 -87.1 42 5.0 -82.1 85 25 366.0 366.0 299.8 366.0 0.00 50 100 16640 -80.9 -86.9 36 6.0 -80.9 75 23 371.4 371.4 300.8 371.4 0.00 TRP 103 16475 -82.1 -87.1 42 5.0 -82.1 85 25 366.0 366.0 299.8 366.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 555.67 mb = 5046.18 m = 16555.50 ft Wetbulb zero: 655.07 mb = 3706.10 m = 12158.96 ft Precipitable water: 1.65 inches Sfc-500 mean rel hum: 48.84 % Est. max temperature: 33.55 C = 92.40 F Sfc-Lift cond lev (LCL): 973.13 mb = 328.55 m = 1077.89 ft T: 24.46 C 700-500 lapse rate: 5.77 C/km ThetaE index: 24.69 C Layer 1000.0- 896.0 mb Conv cond level (CCL): 853.05 mb = 1477.13 m = 4846.16 ft Mean mixing ratio: 16.66 g/kg Conv temperature: 33.71 C = 92.68 F Cap Strength: 3.00 C Lifted Index: -1.47 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.16 C Lifted Index @700 mb: 0.63 C Showalter Index: -1.30 C Risk: Thunderstorms probable Total Totals Index: 44.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 21.40 C K Index: 29.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 247.80 Risk: None Energy Index: -2.92 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 212.56 J/kg Max Up Vert Vel: 20.62 m/s Conv Inhibition (B-): 146.18 J/kg Cap Strength: 2.87 C Lift Cond Lev (LCL): 918.57 mb = 834.73 m = 2738.58 ft Lev Free Conv (LFC): 633.57 mb = 3980.65 m = 13059.72 ft Equ Level (EL): 303.57 mb = 9643.51 m = 31638.44 ft B at Equ Level: 198.02 J/kg Max Parcel Lev (MPL): 143.57 mb = 14558.12 m = 47762.29 ft Wind level data Storm motion: 128 at 11 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 1010 19 0 0 -0.0 -0.0 | 308 11 9.0 -6.9 1 1000 88 105 7 -6.8 1.8 | 337 6 2.2 -5.1 2 925 774 140 9 -5.8 6.9 | 271 3 3.2 -0.0 3 850 1508 90 13 -13.0 0.0 | 30 8 -4.0 -6.9 4 700 3157 100 17 -16.7 3.0 | 63 9 -7.8 -4.0 5 500 5880 90 19 -19.0 0.0 | 55 12 -10.0 -6.9 6 400 7610 100 19 -18.7 3.3 | 70 10 -9.7 -3.6 7 300 9730 100 7 -6.9 1.2 | 340 6 2.1 -5.7 8 250 11010 80 13 -12.8 -2.3 | 23 10 -3.8 -9.2 9 200 12500 85 25 -24.9 -2.2 | 60 18 -15.9 -9.1 10 150 14300 85 25 -24.9 -2.2 | 60 18 -15.9 -9.1 11 103 16475 85 25 -24.9 -2.2 | 60 18 -15.9 -9.1 12 100 16640 75 23 -22.2 -6.0 | 46 18 -13.3 -12.9 Wind Parameters Mean winds (0-6000m): 97.7 at 15.1 knts Storm direction: 127.7 at 11.3 knts Shear (0-3000m) pos: 2.2 neg: 1.4 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 112.6 deg Storm rel helicity (0-3000m) pos: 18.8 neg: -3.6 tot: 15.1 m^2/s^2 ave: 5.0 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 1.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 20.76 Bulk Shear: 10.24 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 7 325 5| 8.5 0.0 8.5| 7.7 -1.8 5.9 11.7 0.23| 10.5 2.5 1000 126 8 312 3| 4.2 1.1 5.4| 8.5 -3.2 5.3 5.3 0.17| 7.7 1.3 1500 116 9 348 3| 2.8 2.8 5.6| 9.4 -3.6 5.8 3.9 0.18| 7.6 1.4 2000 108 10 13 4| 2.5 2.1 4.6| 12.4 -3.6 8.8 4.4 0.23| 6.1 1.4 2500 104 11 24 5| 2.3 1.7 4.0| 15.5 -3.6 11.9 4.8 0.28| 5.2 1.4 3000 103 12 33 5| 2.2 1.4 3.5| 18.8 -3.6 15.1 5.0 0.31| 4.6 1.4 4000 101 13 43 6| 1.6 1.2 2.8| 19.6 -4.5 15.1 3.8 0.30| 3.6 1.1 5000 100 14 48 7| 1.3 1.1 2.4| 19.6 -5.9 13.7 2.7 0.27| 3.0 0.8 6000 98 15 51 8| 1.1 1.0 2.1| 20.2 -7.3 12.9 2.2 0.25| 2.6 0.7 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250420.00.gif