UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 25 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 30.2 25.3 75 4.9 26.5 140 3 302.6 306.4 299.4 363.5 20.52 1 1000 78 29.2 25.0 78 4.2 26.0 150 7 302.4 306.1 299.2 362.7 20.33 2 937 656 24.0 23.1 95 0.9 23.3 213 5 302.7 306.3 298.7 360.1 19.33 3 925 769 24.0 22.3 90 1.7 22.8 225 5 303.8 307.3 298.6 359.4 18.63 4 919 826 24.2 21.5 85 2.7 22.2 233 5 304.6 307.9 298.3 357.9 17.84 5 859 1417 20.2 19.4 95 0.8 19.6 321 3 306.4 309.5 298.0 356.7 16.73 6 850 1509 20.0 18.9 93 1.1 19.2 335 3 307.1 310.2 298.0 356.5 16.38 7 797 2062 16.6 14.5 87 2.1 15.2 343 2 309.2 311.7 296.4 349.1 13.14 8 702 3137 11.6 2.6 54 9.0 6.5 360 0 315.1 316.3 293.3 335.8 6.59 9 700 3161 11.4 2.4 54 9.0 6.3 0 0 315.1 316.4 293.2 335.6 6.51 10 655 3714 7.0 4.2 82 2.8 5.4 25 1 316.2 317.7 294.6 341.1 7.92 11 633 3995 6.0 -1.0 61 7.0 2.2 37 1 318.2 319.2 293.4 336.2 5.63 12 598 4460 2.8 0.5 85 2.3 1.5 59 1 319.7 321.0 294.6 341.0 6.65 13 561 4975 -0.5 -1.9 90 1.4 -1.3 82 2 321.7 322.8 294.6 340.9 5.94 14 533 5384 -2.9 -6.4 77 3.5 -4.6 101 2 323.5 324.4 293.9 338.2 4.45 15 503 5843 -5.1 -9.6 71 4.5 -7.1 123 3 326.3 327.0 294.0 338.6 3.67 16 500 5890 -5.3 -11.3 63 6.0 -7.8 125 3 326.6 327.2 293.7 337.5 3.23 17 477 6258 -7.5 -24.5 24 17.0 -12.6 128 4 328.3 328.5 292.3 332.2 1.10 18 459 6557 -9.1 -21.1 37 12.0 -13.0 131 5 329.9 330.2 293.2 335.4 1.55 19 457 6590 -9.7 -15.7 62 6.0 -11.9 131 5 329.6 330.1 293.9 338.1 2.46 20 454 6641 -9.9 -19.9 44 10.0 -13.2 131 5 330.0 330.3 293.3 336.0 1.74 21 435 6970 -11.9 -18.9 56 7.0 -14.3 134 5 331.5 331.9 293.9 338.4 1.98 22 429 7076 -11.9 -29.9 21 18.0 -16.4 135 6 332.8 332.9 293.2 335.5 0.74 23 427 7112 -12.3 -21.3 47 9.0 -15.2 136 6 332.7 333.1 294.0 338.5 1.63 24 421 7220 -12.1 -35.1 13 23.0 -17.1 137 6 334.3 334.4 293.3 336.1 0.46 25 413 7367 -12.5 -42.5 6 30.0 -17.9 138 6 335.7 335.7 293.4 336.5 0.22 26 400 7610 -14.1 -31.1 22 17.0 -18.2 140 7 336.7 336.8 294.1 339.3 0.71 27 373 8135 -17.9 -22.9 65 5.0 -19.4 121 7 338.4 338.8 295.4 344.3 1.63 28 369 8215 -18.7 -28.7 41 10.0 -21.1 118 8 338.4 338.6 294.8 342.0 0.97 29 353 8542 -21.5 -24.3 78 2.8 -22.2 105 8 338.9 339.3 295.4 344.5 1.52 30 345 8710 -22.7 -27.3 66 4.6 -23.8 99 8 339.6 339.8 295.3 343.9 1.18 31 341 8796 -22.7 -49.7 7 27.0 -25.9 96 8 340.7 340.7 294.6 341.2 0.12 32 331 9013 -24.1 -49.1 8 25.0 -27.1 87 8 341.7 341.7 294.8 342.2 0.13 33 328 9079 -24.7 -42.7 17 18.0 -27.2 85 8 341.7 341.8 295.0 342.8 0.27 34 326 9123 -25.1 -28.9 71 3.8 -25.9 83 8 341.8 342.0 295.7 345.8 1.08 35 322 9212 -25.7 -33.7 47 8.0 -27.2 80 9 342.2 342.3 295.4 344.8 0.69 36 300 9720 -29.5 -39.5 37 10.0 -30.9 60 9 343.8 343.9 295.6 345.4 0.41 37 289 9986 -31.5 -39.5 45 8.0 -32.6 60 9 344.6 344.7 295.8 346.3 0.43 38 274 10363 -33.7 -52.7 13 19.0 -35.3 60 10 346.8 346.8 296.0 347.2 0.11 39 268 10518 -35.3 -54.3 13 19.0 -36.7 60 10 346.6 346.6 296.0 347.0 0.09 40 257 10810 -37.9 -47.9 34 10.0 -38.7 60 11 347.0 347.0 296.1 347.8 0.20 41 255 10864 -38.3 -43.2 60 4.9 -38.8 60 11 347.2 347.2 296.3 348.5 0.33 42 250 11000 -39.1 -54.1 19 15.0 -40.1 60 11 347.9 348.0 296.3 348.3 0.10 43 249 11027 -39.3 -58.3 12 19.0 -40.4 61 11 348.0 348.0 296.3 348.3 0.06 44 244 11166 -40.5 -52.5 26 12.0 -41.3 65 11 348.3 348.3 296.4 348.8 0.12 45 242 11222 -40.7 -60.7 10 20.0 -41.6 67 12 348.8 348.8 296.4 349.0 0.04 46 226 11684 -44.5 -67.5 6 23.0 -45.2 80 13 349.9 349.9 296.6 349.9 0.02 47 200 12490 -51.7 -67.7 13 16.0 -52.1 105 15 350.9 350.9 296.8 351.0 0.02 48 176 13306 -58.9 -73.9 13 15.0 -59.1 109 15 352.1 352.1 297.1 352.2 0.01 49 167 13633 -61.7 -69.7 34 8.0 -61.8 111 15 352.8 352.8 297.3 352.9 0.02 50 163 13783 -62.9 -75.9 16 13.0 -63.0 112 15 353.2 353.2 297.3 353.3 0.01 51 150 14290 -67.3 -75.3 31 8.0 -67.4 115 15 354.2 354.2 297.5 354.2 0.01 52 144 14533 -69.7 -75.7 41 6.0 -69.7 110 16 354.1 354.1 297.5 354.2 0.01 53 140 14700 -70.9 -75.4 51 4.5 -70.9 106 17 354.9 354.9 297.7 354.9 0.01 54 114 15890 -77.9 -85.9 26 8.0 -77.9 80 21 363.3 363.3 299.4 363.4 0.00 55 100 16640 -75.7 -86.7 16 11.0 -75.7 125 17 381.5 381.5 302.5 381.5 0.00 TRP 114 15890 -77.9 -85.9 26 8.0 -77.9 80 21 363.3 363.3 299.4 363.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5812.00 m Freezing level: 566.61 mb = 4897.07 m = 16066.30 ft Wetbulb zero: 577.70 mb = 4738.41 m = 15545.76 ft Precipitable water: 2.41 inches Sfc-500 mean rel hum: 79.37 % Est. max temperature: 34.02 C = 93.23 F Sfc-Lift cond lev (LCL): 940.43 mb = 623.18 m = 2044.51 ft T: 24.29 C 700-500 lapse rate: 6.12 C/km ThetaE index: 27.85 C Layer 1000.0- 655.0 mb Conv cond level (CCL): 891.81 mb = 1089.28 m = 3573.70 ft Mean mixing ratio: 19.46 g/kg Conv temperature: 33.04 C = 91.48 F Cap Strength: 1.33 C Lifted Index: -5.91 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -6.67 C Lifted Index @700 mb: -1.98 C Showalter Index: -4.56 C Risk: Severe thunderstorms possible Total Totals Index: 49.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 24.20 C K Index: 35.20 Risk: > 80 % chance of thunderstorms Sweat Index: 245.80 Risk: None Energy Index: -3.74 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2679.46 J/kg Max Up Vert Vel: 73.20 m/s Conv Inhibition (B-): 13.25 J/kg Cap Strength: 1.18 C Lift Cond Lev (LCL): 923.96 mb = 778.94 m = 2555.55 ft Lev Free Conv (LFC): 868.96 mb = 1316.57 m = 4319.40 ft Equ Level (EL): 118.96 mb = 15643.13 m = 51321.97 ft B at Equ Level: 2668.69 J/kg Wind level data Storm motion: 193 at 2 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 19 140 3 -1.9 2.3 | 104 2 -2.3 0.6 1 1000 78 150 7 -3.5 6.1 | 138 6 -3.9 4.3 2 925 769 225 5 3.5 3.5 | 240 4 3.1 1.8 3 850 1509 335 3 1.3 -2.7 | 349 5 0.9 -4.4 4 700 3161 0 0 -0.0 -0.0 | 13 2 -0.4 -1.7 5 500 5890 125 3 -2.5 1.7 | 90 3 -2.9 -0.0 6 400 7610 140 7 -4.5 5.4 | 127 6 -4.9 3.6 7 300 9720 60 9 -7.8 -4.5 | 53 10 -8.2 -6.2 8 250 11000 60 11 -9.5 -5.5 | 54 12 -9.9 -7.2 9 200 12490 105 15 -14.5 3.9 | 98 15 -14.9 2.2 10 150 14290 115 15 -13.6 6.3 | 108 15 -14.0 4.6 11 114 15890 80 21 -20.7 -3.6 | 76 22 -21.1 -5.4 12 100 16640 125 17 -13.9 9.8 | 119 16 -14.3 8.0 Wind Parameters Mean winds (0-6000m): 163.4 at 2.4 knts Storm direction: 193.4 at 1.8 knts Shear (0-3000m) pos: 0.5 neg: 0.0 tot: 0.5 10-3/s Storm rel Dir Shear (0-3000m): -92.4 deg Storm rel helicity (0-3000m) pos: 20.3 neg: 0.0 tot: 20.3 m^2/s^2 ave: 6.8 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 3.3 10^-3/s Energy-Hel index: 0.33 Bulk Rich Number: 1400.85 Bulk Shear: 1.91 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 ------------------------------------------------------------------------------- 500 168 6 159 5| 5.0 0.0 5.0| 8.0 0.0 8.0 15.9 0.81| 9.4 7.6 1000 190 6 189 4| 3.3 0.0 3.3| 13.6 0.0 13.6 13.6 0.88| 7.7 6.7 1500 202 5 207 3| 2.0 0.0 2.0| 19.1 0.0 19.1 12.7 0.91| 6.8 6.1 2000 217 4 231 3| 1.3 0.0 1.3| 19.7 0.0 19.7 9.8 0.89| 5.3 4.7 2500 229 4 253 3| 0.8 0.0 0.8| 20.1 0.0 20.1 8.0 0.87| 4.5 3.9 3000 238 3 269 2| 0.5 0.0 0.5| 20.3 0.0 20.3 6.8 0.85| 3.9 3.3 4000 242 3 285 2| 0.4 0.0 0.4| 20.5 -0.0 20.5 5.1 0.83| 3.0 2.5 5000 207 2 241 1| 0.3 0.0 0.3| 21.8 -0.0 21.7 4.3 0.83| 2.6 2.2 6000 163 2 116 1| 0.1 0.0 0.1| 23.5 -0.0 23.5 3.9 0.85| 2.4 2.0 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250425.12.gif