UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 17 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 1007 19 29.0 25.2 80 3.8 26.2 135 3 301.5 305.3 299.1 362.0 20.43 1 1000 67 28.2 24.9 82 3.3 25.7 140 7 301.4 305.1 298.9 361.0 20.21 2 967 365 25.4 23.9 91 1.5 24.3 196 5 301.4 305.0 298.6 359.5 19.66 3 960 429 26.8 19.8 66 7.0 21.8 208 5 303.5 306.3 296.4 348.9 15.32 4 925 758 25.0 21.7 82 3.3 22.6 270 3 304.9 308.2 298.4 358.5 17.94 5 850 1498 20.2 18.4 89 1.8 18.9 350 5 307.3 310.3 297.7 355.2 15.86 6 838 1621 19.2 18.0 93 1.2 18.4 357 5 307.5 310.4 297.7 354.9 15.69 7 749 2581 14.8 7.8 63 7.0 10.4 52 6 312.8 314.5 294.4 340.3 8.90 8 730 2799 13.8 5.8 58 8.0 9.0 64 7 314.0 315.5 294.0 338.8 7.95 9 708 3057 13.6 -9.4 19 23.0 3.0 79 7 316.5 317.0 290.3 325.2 2.65 10 700 3153 12.8 -5.2 28 18.0 3.8 85 7 316.7 317.4 291.3 328.6 3.71 11 697 3189 12.6 -4.4 30 17.0 4.0 86 7 316.8 317.6 291.6 329.6 3.96 12 692 3249 11.6 6.6 71 5.0 8.5 86 7 316.4 318.1 295.3 344.2 8.87 13 633 3989 7.0 3.0 76 4.0 4.6 97 8 319.3 320.8 295.1 343.3 7.53 14 592 4537 4.4 -3.6 56 8.0 0.3 105 8 322.4 323.4 294.0 338.6 4.96 15 555 5059 0.0 -1.8 88 1.8 -1.0 113 8 323.2 324.4 295.0 343.0 6.05 16 517 5625 -2.7 -7.2 71 4.5 -4.8 121 9 326.6 327.5 294.6 341.0 4.31 17 510 5733 -3.1 -13.1 46 10.0 -7.2 123 9 327.4 327.9 293.5 336.7 2.73 18 500 5890 -4.1 -11.1 58 7.0 -7.1 125 9 328.0 328.7 294.1 339.2 3.28 19 484 6146 -5.3 -11.3 63 6.0 -7.9 131 10 329.6 330.3 294.6 341.0 3.33 20 480 6211 -5.5 -13.5 53 8.0 -8.8 132 10 330.2 330.7 294.3 339.8 2.81 21 449 6733 -7.9 -16.9 48 9.0 -11.3 144 12 333.5 334.0 294.7 341.5 2.27 22 439 6907 -9.3 -26.3 24 17.0 -14.2 148 12 333.9 334.1 293.7 337.6 1.02 23 433 7014 -10.1 -19.1 48 9.0 -13.2 151 13 334.2 334.6 294.6 341.1 1.95 24 415 7340 -12.1 -28.1 25 16.0 -16.4 158 14 335.7 335.9 294.1 339.1 0.91 25 402 7582 -14.3 -22.3 51 8.0 -16.8 164 15 335.9 336.2 294.7 341.7 1.59 26 400 7620 -14.3 -25.3 39 11.0 -17.4 165 15 336.4 336.7 294.6 340.9 1.22 27 388 7851 -15.7 -42.7 8 27.0 -20.3 160 15 337.5 337.6 293.9 338.4 0.23 28 380 8009 -16.9 -28.9 35 12.0 -19.8 157 15 337.9 338.1 294.7 341.4 0.92 29 376 8088 -16.9 -40.9 11 24.0 -21.1 155 15 339.0 339.0 294.3 340.1 0.28 30 364 8332 -18.1 -45.1 7 27.0 -22.2 150 16 340.5 340.6 294.6 341.3 0.19 31 356 8498 -19.3 -49.3 5 30.0 -23.3 147 16 341.1 341.1 294.7 341.6 0.12 32 308 9561 -27.9 -41.9 25 14.0 -29.8 124 17 343.5 343.5 295.4 344.7 0.31 33 300 9750 -29.3 -48.3 14 19.0 -31.3 120 17 344.1 344.1 295.4 344.7 0.16 34 294 9893 -30.3 -50.3 12 20.0 -32.2 123 16 344.7 344.7 295.6 345.2 0.13 35 289 10014 -31.3 -43.3 30 12.0 -32.7 126 15 344.9 345.0 295.7 346.1 0.29 36 250 11020 -38.9 -52.9 21 14.0 -39.9 150 9 348.2 348.3 296.4 348.7 0.11 37 237 11384 -41.5 -61.5 10 20.0 -42.4 144 8 349.7 349.7 296.6 349.8 0.04 38 226 11704 -44.3 -56.3 25 12.0 -44.9 139 7 350.2 350.2 296.7 350.5 0.08 39 206 12317 -49.7 -67.7 10 18.0 -50.1 128 6 351.1 351.1 296.9 351.2 0.02 40 200 12510 -51.5 -62.5 26 11.0 -51.8 125 5 351.2 351.2 297.0 351.4 0.04 41 189 12874 -54.9 -60.9 47 6.0 -55.1 120 6 351.5 351.5 297.0 351.7 0.06 42 172 13470 -59.7 -69.7 26 10.0 -59.8 112 7 353.1 353.1 297.3 353.2 0.02 43 158 13995 -64.5 -70.5 43 6.0 -64.6 105 8 353.7 353.7 297.4 353.8 0.02 44 150 14310 -67.1 -74.1 36 7.0 -67.1 100 9 354.5 354.5 297.6 354.5 0.01 45 122 15530 -76.7 -82.7 38 6.0 -76.7 67 10 358.6 358.6 298.4 358.6 0.00 46 110 16122 -79.1 -89.1 18 10.0 -79.1 50 11 364.8 364.8 299.6 364.8 0.00 47 107 16281 -76.5 -87.5 16 11.0 -76.5 46 11 372.6 372.6 301.0 372.6 0.00 48 100 16670 -77.5 -88.5 15 11.0 -77.5 35 11 378.0 378.0 301.9 378.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5823.00 m Freezing level: 555.00 mb = 5059.10 m = 16597.88 ft Wetbulb zero: 584.36 mb = 4642.30 m = 15230.47 ft Precipitable water: 2.30 inches Sfc-500 mean rel hum: 72.31 % Est. max temperature: 34.54 C = 94.17 F Sfc-Lift cond lev (LCL): 953.62 mb = 488.35 m = 1602.19 ft T: 26.48 C 700-500 lapse rate: 6.17 C/km ThetaE index: 33.32 C Layer 850.0- 700.0 mb Conv cond level (CCL): 857.76 mb = 1418.43 m = 4653.58 ft Mean mixing ratio: 18.20 g/kg Conv temperature: 34.51 C = 94.12 F Cap Strength: 2.22 C Lifted Index: -3.59 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.71 C Lifted Index @700 mb: 0.30 C Showalter Index: -2.89 C Risk: Severe thunderstorms possible Total Totals Index: 46.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 22.50 C K Index: 24.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 239.80 Risk: None Energy Index: -3.14 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1482.44 J/kg Max Up Vert Vel: 54.45 m/s Conv Inhibition (B-): 55.04 J/kg Cap Strength: 2.22 C Lift Cond Lev (LCL): 906.91 mb = 930.84 m = 3053.89 ft Lev Free Conv (LFC): 781.91 mb = 2213.21 m = 7261.11 ft Equ Level (EL): 721.91 mb = 2892.73 m = 9490.46 ft B at Equ Level: 23.09 J/kg Wind level data Storm motion: 126 at 5 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 1007 19 135 3 -2.1 2.1 | 294 2 1.9 -0.8 1 1000 67 140 7 -4.5 5.4 | 169 2 -0.5 2.4 2 925 758 270 3 3.0 -0.0 | 293 8 7.0 -3.0 3 850 1498 350 5 0.9 -4.9 | 328 9 4.9 -7.9 4 700 3153 85 7 -7.0 -0.6 | 40 5 -3.0 -3.6 5 500 5890 125 9 -7.4 5.2 | 123 4 -3.4 2.2 6 400 7620 165 15 -3.9 14.5 | 181 12 0.1 11.5 7 300 9750 120 17 -14.7 8.5 | 117 12 -10.7 5.5 8 250 11020 150 9 -4.5 7.8 | 174 5 -0.5 4.8 9 200 12510 125 5 -4.1 2.9 | 40 0 -0.1 -0.1 10 150 14310 100 9 -8.9 1.6 | 74 5 -4.8 -1.4 11 100 16670 35 11 -6.3 -9.0 | 11 12 -2.3 -12.0 Wind Parameters Mean winds (0-6000m): 96.4 at 6.7 knts Storm direction: 126.4 at 5.0 knts Shear (0-3000m) pos: 1.0 neg: 0.0 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): 96.9 deg Storm rel helicity (0-3000m) pos: 44.0 neg: -1.6 tot: 42.4 m^2/s^2 ave: 14.1 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 3.2 10^-3/s Energy-Hel index: 0.31 Bulk Rich Number: 223.56 Bulk Shear: 6.63 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 ------------------------------------------------------------------------------- 500 166 6 227 4| 5.5 0.0 5.5| 8.4 -1.6 6.8 13.7 0.17| 12.5 2.1 1000 183 5 249 5| 3.4 0.0 3.4| 17.7 -1.6 16.1 16.1 0.39| 8.8 3.4 1500 259 5 284 9| 2.6 0.0 2.6| 27.8 -1.6 26.2 17.5 0.50| 7.3 3.7 2000 349 5 327 9| 1.9 0.0 1.9| 34.0 -1.6 32.4 16.2 0.56| 6.2 3.4 2500 16 5 341 8| 1.4 0.0 1.4| 39.5 -1.6 38.0 15.2 0.59| 5.6 3.3 3000 39 5 354 7| 1.0 0.0 1.0| 44.0 -1.6 42.4 14.1 0.62| 5.2 3.2 4000 68 6 14 5| 0.7 0.0 0.7| 46.8 -1.6 45.3 11.3 0.64| 4.3 2.7 5000 84 6 30 4| 0.6 0.0 0.6| 49.0 -1.6 47.4 9.5 0.66| 3.6 2.4 6000 96 7 49 3| 0.6 0.0 0.6| 51.6 -1.6 50.0 8.3 0.68| 3.3 2.2 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250417.12.gif