UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 15 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 29.8 22.8 66 7.0 24.7 125 3 302.2 305.4 297.5 354.1 17.58 1 1000 81 29.0 23.0 70 6.0 24.6 125 7 302.1 305.5 297.7 355.2 17.96 2 925 772 24.2 19.3 74 4.9 20.7 115 17 304.1 306.9 296.6 349.9 15.41 3 850 1509 19.0 17.8 93 1.2 18.2 80 5 306.0 308.9 297.0 351.8 15.26 4 831 1703 17.4 17.3 99 0.1 17.4 81 6 306.3 309.2 297.0 351.8 15.12 5 789 2146 15.6 13.8 89 1.8 14.4 84 8 309.0 311.4 296.1 347.5 12.68 6 740 2691 14.0 7.0 63 7.0 9.7 87 11 313.0 314.6 294.2 339.4 8.53 7 700 3159 11.4 5.4 67 6.0 7.8 90 13 315.1 316.7 294.4 340.4 8.06 8 675 3462 9.6 2.6 62 7.0 5.6 90 13 316.4 317.7 293.9 338.1 6.85 9 673 3486 9.4 2.4 62 7.0 5.4 90 13 316.4 317.7 293.8 337.9 6.78 10 658 3673 8.8 -4.2 40 13.0 2.2 90 14 317.8 318.6 292.2 331.6 4.26 11 638 3927 7.0 1.0 66 6.0 3.7 90 14 318.6 319.8 294.1 339.2 6.46 12 586 4621 3.6 -8.4 41 12.0 -2.0 90 15 322.5 323.1 292.8 333.9 3.46 13 557 5031 0.4 -3.9 73 4.3 -1.8 90 16 323.4 324.4 294.4 340.3 5.15 14 543 5235 -0.3 -11.3 43 11.0 -5.1 90 16 324.9 325.5 293.0 334.9 2.97 15 526 5488 -1.7 -8.7 59 7.0 -4.9 90 16 326.2 327.0 294.0 338.8 3.77 16 500 5890 -4.1 -16.1 39 12.0 -8.7 90 17 328.0 328.5 293.2 335.6 2.18 17 496 5953 -4.5 -11.5 58 7.0 -7.5 92 17 328.3 328.9 294.1 339.2 3.20 18 491 6033 -4.7 -21.7 25 17.0 -10.4 94 16 329.0 329.3 292.7 333.9 1.37 19 477 6260 -5.9 -18.9 35 13.0 -10.5 101 15 330.3 330.6 293.4 336.6 1.80 20 471 6359 -6.7 -10.5 74 3.8 -8.4 103 14 330.5 331.2 295.0 342.9 3.65 21 458 6577 -8.1 -11.4 77 3.3 -9.5 110 13 331.4 332.1 295.1 343.3 3.49 22 443 6835 -9.5 -12.3 80 2.8 -10.7 117 12 332.8 333.5 295.4 344.4 3.36 23 419 7265 -10.7 -21.7 40 11.0 -14.3 130 9 336.6 336.9 294.9 342.4 1.61 24 410 7431 -12.1 -18.1 61 6.0 -14.3 134 8 336.9 337.3 295.5 344.9 2.24 25 400 7620 -13.3 -23.3 43 10.0 -16.4 140 7 337.7 338.0 295.0 343.0 1.46 26 381 7989 -15.9 -30.9 26 15.0 -19.5 149 7 339.0 339.2 294.8 341.9 0.76 27 378 8049 -16.5 -25.5 46 9.0 -19.0 151 7 339.0 339.2 295.2 343.7 1.27 28 365 8312 -17.9 -35.9 19 18.0 -21.5 158 8 340.5 340.6 294.9 342.4 0.49 29 301 9726 -28.3 -41.3 28 13.0 -30.1 194 9 345.2 345.2 295.8 346.5 0.34 30 300 9750 -28.5 -39.5 34 11.0 -30.1 195 9 345.2 345.3 295.9 346.9 0.41 31 281 10215 -32.9 -36.8 68 3.9 -33.5 188 8 345.4 345.5 296.1 347.7 0.58 32 274 10393 -33.7 -39.7 55 6.0 -34.5 185 8 346.8 346.8 296.3 348.5 0.44 33 272 10444 -34.1 -46.1 29 12.0 -35.3 184 8 346.9 346.9 296.1 347.8 0.23 34 257 10839 -36.7 -47.7 31 11.0 -37.7 178 7 348.7 348.8 296.5 349.6 0.20 35 250 11030 -38.5 -48.5 34 10.0 -39.3 175 7 348.8 348.9 296.5 349.6 0.19 36 225 11745 -45.3 -49.7 61 4.4 -45.6 156 17 349.1 349.1 296.6 349.8 0.18 37 200 12520 -52.3 -57.3 55 5.0 -52.5 135 29 349.9 350.0 296.7 350.3 0.08 38 196 12650 -53.5 -59.5 48 6.0 -53.7 134 29 350.1 350.1 296.7 350.3 0.06 39 150 14310 -66.7 -72.7 42 6.0 -66.7 115 23 355.2 355.2 297.7 355.2 0.01 40 139 14766 -70.7 -77.7 35 7.0 -70.8 88 22 356.0 356.0 297.9 356.0 0.01 41 100 16660 -82.5 -86.7 48 4.2 -82.5 330 19 368.3 368.3 300.2 368.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5809.00 m Freezing level: 549.00 mb = 5147.17 m = 16886.83 ft Wetbulb zero: 604.23 mb = 4371.02 m = 14340.43 ft Precipitable water: 2.20 inches Sfc-500 mean rel hum: 67.04 % Est. max temperature: 33.44 C = 92.19 F Sfc-Lift cond lev (LCL): 912.03 mb = 895.04 m = 2936.45 ft T: 23.33 C 700-500 lapse rate: 5.68 C/km ThetaE index: 12.42 C Layer 831.0- 700.0 mb Conv cond level (CCL): 851.76 mb = 1491.00 m = 4891.66 ft Mean mixing ratio: 16.56 g/kg Conv temperature: 33.64 C = 92.55 F Cap Strength: 1.79 C Lifted Index: -2.01 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.39 C Lifted Index @700 mb: 0.16 C Showalter Index: -1.78 C Risk: Thunderstorms probable Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 21.90 C K Index: 34.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 240.60 Risk: None Energy Index: -3.17 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 494.94 J/kg Max Up Vert Vel: 31.46 m/s Conv Inhibition (B-): 32.96 J/kg Cap Strength: 1.79 C Lift Cond Lev (LCL): 886.54 mb = 1142.12 m = 3747.06 ft Lev Free Conv (LFC): 821.54 mb = 1801.11 m = 5909.07 ft Equ Level (EL): 781.54 mb = 2227.04 m = 7306.48 ft B at Equ Level: 5.60 J/kg Max Parcel Lev (MPL): 741.54 mb = 2673.10 m = 8769.92 ft Wind level data Storm motion: 124 at 9 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 19 125 3 -2.5 1.7 | 304 6 5.3 -3.6 1 1000 81 125 7 -5.7 4.0 | 302 2 2.0 -1.3 2 925 772 115 17 -15.4 7.2 | 104 8 -7.7 1.9 3 850 1509 80 5 -4.9 -0.9 | 335 7 2.8 -6.1 4 700 3159 90 13 -13.0 0.0 | 45 7 -5.3 -5.3 5 500 5890 90 17 -17.0 0.0 | 60 11 -9.3 -5.3 6 400 7620 140 7 -4.5 5.4 | 268 3 3.2 0.1 7 300 9750 195 9 2.3 8.7 | 251 11 10.1 3.4 8 250 11030 175 7 -0.6 7.0 | 257 7 7.1 1.7 9 200 12520 135 29 -20.5 20.5 | 140 20 -12.8 15.2 10 150 14310 115 23 -20.8 9.7 | 109 14 -13.1 4.4 11 100 16660 330 19 9.5 -16.5 | 322 28 17.2 -21.7 Wind Parameters Mean winds (0-6000m): 94.3 at 12.5 knts Storm direction: 124.3 at 9.4 knts Shear (0-3000m) pos: 1.3 neg: 0.6 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 96.1 deg Storm rel helicity (0-3000m) pos: 12.5 neg: -19.6 tot: -7.1 m^2/s^2 ave: -2.4 10^-3 m/s^2 rel: -0.09 Storm rel vorticity (0-3000m) horiz: 6.0 stream: -0.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 106.61 Bulk Shear: 4.64 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 ------------------------------------------------------------------------------- 500 121 9 33 1| 0.0 10.7 10.7| 0.3 -0.0 0.3 0.6 0.23| 11.3 2.6 1000 116 12 90 3| 0.0 5.3 5.3| 0.3 -7.6 -7.3 -7.3 -0.11| 9.7 -1.0 1500 113 11 69 3| 0.0 1.2 1.2| 0.3 -19.6 -19.3 -12.9 -0.38| 9.5 -3.6 2000 108 10 38 3| 0.6 0.9 1.6| 4.3 -19.6 -15.3 -7.6 -0.27| 7.7 -2.1 2500 104 10 29 3| 1.0 0.7 1.8| 8.4 -19.6 -11.2 -4.5 -0.17| 6.7 -1.2 3000 101 10 30 4| 1.3 0.6 1.9| 12.5 -19.6 -7.1 -2.4 -0.09| 6.0 -0.6 4000 98 11 37 5| 1.1 0.5 1.6| 15.5 -19.6 -4.1 -1.0 -0.05| 4.8 -0.2 5000 96 12 43 6| 0.9 0.6 1.4| 17.5 -19.6 -2.1 -0.4 -0.02| 4.0 -0.1 6000 94 12 47 6| 0.7 0.5 1.2| 20.8 -19.6 1.2 0.2 0.01| 3.5 0.0 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250415.12.gif