UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 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 1008 19 28.8 23.8 74 5.0 25.1 140 3 301.3 304.7 298.0 356.4 18.72 1 1000 75 28.2 23.4 75 4.8 24.7 150 9 301.4 304.7 297.8 355.6 18.41 2 965 391 25.4 21.9 81 3.5 22.9 141 13 301.6 304.8 297.3 352.9 17.39 3 936 660 25.4 14.4 51 11.0 18.1 133 16 304.3 306.3 293.6 337.3 11.08 4 925 764 25.0 16.0 57 9.0 18.8 130 17 304.9 307.2 294.8 342.1 12.46 5 850 1503 21.0 12.0 56 9.0 15.1 110 11 308.1 310.1 294.3 339.8 10.42 6 789 2142 16.2 11.8 75 4.4 13.3 100 13 309.6 311.7 295.1 343.4 11.09 7 764 2416 14.4 9.4 72 5.0 11.2 96 13 310.6 312.4 294.4 340.4 9.74 8 734 2754 14.0 -4.0 28 18.0 4.9 91 14 313.7 314.4 290.6 326.1 3.87 9 733 2766 14.2 -8.8 19 23.0 3.6 91 14 314.0 314.6 289.6 322.7 2.68 10 700 3154 12.4 -13.6 15 26.0 1.5 85 15 316.2 316.6 289.5 322.6 1.91 11 698 3178 12.2 -14.8 14 27.0 1.1 85 15 316.3 316.6 289.4 322.0 1.74 12 660 3644 8.6 -5.4 37 14.0 1.7 89 16 317.3 318.1 291.7 329.8 3.87 13 655 3707 8.6 -16.4 15 25.0 -1.2 90 16 318.0 318.3 289.8 323.5 1.62 14 615 4225 5.8 -25.2 9 31.0 -4.1 95 17 320.6 320.7 289.8 323.4 0.80 15 517 5625 -2.5 -24.5 17 22.0 -9.4 108 19 326.9 327.1 291.9 330.5 1.02 16 500 5890 -3.1 -27.1 14 24.0 -10.2 110 19 329.3 329.4 292.3 332.3 0.83 17 469 6392 -5.5 -40.5 4 35.0 -12.9 111 20 332.4 332.4 292.6 333.3 0.24 18 442 6853 -7.7 -35.7 9 28.0 -14.2 113 21 335.3 335.4 293.5 336.8 0.41 19 420 7247 -10.1 -27.1 23 17.0 -14.9 114 22 337.1 337.3 294.5 340.8 0.99 20 400 7620 -12.5 -32.5 17 20.0 -17.3 115 23 338.7 338.9 294.6 341.1 0.62 21 362 8373 -18.7 -37.7 17 19.0 -22.2 101 16 340.3 340.3 294.8 341.9 0.41 22 329 9080 -22.3 -52.3 5 30.0 -25.8 88 9 344.7 344.8 295.6 345.1 0.09 23 300 9750 -28.3 -50.3 10 22.0 -30.6 75 3 345.5 345.5 295.7 346.0 0.13 24 270 10496 -35.1 -50.1 20 15.0 -36.4 107 8 346.2 346.2 295.9 346.8 0.14 25 250 11030 -38.5 -58.5 10 20.0 -39.6 130 11 348.8 348.8 296.4 349.1 0.06 26 239 11338 -41.5 -59.5 13 18.0 -42.3 125 12 348.8 348.8 296.4 349.1 0.05 27 221 11864 -46.5 -54.5 40 8.0 -46.9 116 13 349.0 349.0 296.5 349.5 0.11 28 202 12455 -51.3 -65.3 17 14.0 -51.7 106 15 350.5 350.5 296.8 350.7 0.03 29 200 12520 -51.9 -63.9 22 12.0 -52.2 105 15 350.6 350.6 296.8 350.7 0.04 30 168 13625 -61.7 -67.7 45 6.0 -61.8 93 20 352.2 352.2 297.1 352.3 0.03 31 164 13775 -62.1 -75.1 16 13.0 -62.2 91 21 353.9 354.0 297.5 354.0 0.01 32 150 14320 -67.1 -74.1 36 7.0 -67.1 85 23 354.5 354.5 297.6 354.5 0.01 33 132 15077 -73.3 -77.5 53 4.2 -73.3 81 25 356.6 356.6 298.0 356.7 0.01 34 127 15301 -74.7 -79.7 46 5.0 -74.7 80 25 358.1 358.1 298.3 358.1 0.01 35 107 16280 -80.5 -86.5 36 6.0 -80.5 75 27 365.1 365.1 299.7 365.1 0.00 36 100 16660 -80.7 -87.7 30 7.0 -80.7 75 31 371.8 371.8 300.9 371.8 0.00 TRP 107 16280 -80.5 -86.5 36 6.0 -80.5 75 27 365.1 365.1 299.7 365.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5815.00 m Freezing level: 546.52 mb = 5203.24 m = 17070.78 ft Wetbulb zero: 657.01 mb = 3681.45 m = 12078.10 ft Precipitable water: 1.48 inches Sfc-500 mean rel hum: 37.12 % Est. max temperature: 35.34 C = 95.60 F Sfc-Lift cond lev (LCL): 937.88 mb = 642.17 m = 2106.83 ft T: 25.40 C 700-500 lapse rate: 5.67 C/km ThetaE index: 21.40 C Layer 764.0- 660.0 mb Conv cond level (CCL): 794.84 mb = 2079.11 m = 6821.16 ft Mean mixing ratio: 15.18 g/kg Conv temperature: 37.05 C = 98.69 F Cap Strength: 4.06 C Lifted Index: 0.60 C Risk: Showers probable Lifted Index @300 mb: 1.21 C Lifted Index @700 mb: 2.36 C Showalter Index: 3.79 C Risk: None Total Totals Index: 39.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 15.10 C K Index: 10.10 Risk: None Sweat Index: 185.00 Risk: None Energy Index: -1.30 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.27 J/kg Max Up Vert Vel: 6.21 m/s Conv Inhibition (B-): 271.46 J/kg Cap Strength: 4.06 C Lift Cond Lev (LCL): 872.65 mb = 1273.18 m = 4177.06 ft Lev Free Conv (LFC): 537.65 mb = 5309.04 m = 17417.90 ft Equ Level (EL): 507.65 mb = 5769.59 m = 18928.89 ft B at Equ Level: 17.98 J/kg Max Parcel Lev (MPL): 467.65 mb = 6414.52 m = 21044.76 ft Wind level data Storm motion: 135 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 1008 19 140 3 -1.9 2.3 | 313 8 6.1 -5.6 1 1000 75 150 9 -4.5 7.8 | 272 4 3.5 -0.1 2 925 764 130 17 -13.0 10.9 | 121 6 -5.0 3.0 3 850 1503 110 11 -10.3 3.8 | 29 5 -2.3 -4.2 4 700 3154 85 15 -14.9 -1.3 | 37 12 -6.9 -9.2 5 500 5890 110 19 -17.9 6.5 | 82 10 -9.8 -1.4 6 400 7620 115 23 -20.8 9.7 | 98 13 -12.8 1.8 7 300 9750 75 3 -2.9 -0.8 | 330 10 5.1 -8.7 8 250 11030 130 11 -8.4 7.1 | 25 1 -0.4 -0.9 9 200 12520 105 15 -14.5 3.9 | 58 8 -6.5 -4.1 10 150 14320 85 23 -22.9 -2.0 | 56 18 -14.9 -9.9 11 107 16280 75 27 -26.1 -7.0 | 50 23 -18.1 -14.9 12 100 16660 75 31 -29.9 -8.0 | 54 27 -21.9 -16.0 Wind Parameters Mean winds (0-6000m): 104.7 at 15.0 knts Storm direction: 134.7 at 11.3 knts Shear (0-3000m) pos: 0.0 neg: 2.2 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 84.6 deg Storm rel helicity (0-3000m) pos: 1.5 neg: -18.5 tot: -17.1 m^2/s^2 ave: -5.7 10^-3 m/s^2 rel: -0.60 Storm rel vorticity (0-3000m) horiz: 5.0 stream: -3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.69 Bulk Shear: 11.44 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 ------------------------------------------------------------------------------- 500 143 11 246 2| 0.0 11.5 11.5| 0.0 -7.4 -7.4 -14.8 -0.75| 12.6 -9.4 1000 134 13 131 2| 0.0 6.2 6.2| 0.0 -12.7 -12.7 -12.7 -0.74| 9.3 -6.9 1500 129 13 100 2| 0.0 2.9 2.9| 0.0 -18.1 -18.1 -12.1 -0.79| 7.9 -6.3 2000 124 13 73 3| 0.0 2.6 2.6| 1.0 -18.1 -17.1 -8.5 -0.70| 6.4 -4.5 2500 119 13 61 4| 0.0 2.4 2.4| 1.5 -18.1 -16.6 -6.7 -0.64| 5.6 -3.6 3000 113 13 54 5| 0.0 2.2 2.2| 1.5 -18.5 -17.1 -5.7 -0.60| 5.0 -3.0 4000 106 14 50 7| 0.3 1.7 2.0| 8.5 -18.7 -10.2 -2.6 -0.47| 4.1 -2.0 5000 104 14 52 7| 0.5 1.3 1.9| 16.9 -18.7 -1.8 -0.4 -0.34| 3.6 -1.3 6000 105 15 58 8| 0.7 1.1 1.8| 25.1 -18.7 6.4 1.1 -0.24| 3.3 -0.8 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20250420.12.gif