UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101412.upa.cvt Date: 1200Z 14 OCT 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 14 OCT 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 28.0 24.4 81 3.6 25.3 330 3 300.4 303.9 298.2 357.4 19.41 1 1000 79 27.2 24.1 83 3.1 24.9 330 5 300.4 303.9 298.1 356.9 19.23 2 925 768 22.8 22.8 100 0.0 22.8 160 9 302.6 306.2 298.6 359.6 19.22 3 923 787 22.6 22.6 100 0.0 22.6 158 9 302.6 306.1 298.5 359.0 19.03 4 869 1311 18.8 15.9 83 2.9 16.8 101 8 303.9 306.4 295.1 343.1 13.19 5 850 1502 18.6 17.6 94 1.0 17.9 80 7 305.6 308.4 296.8 350.8 15.07 6 846 1543 18.4 18.2 99 0.2 18.3 80 7 305.8 308.8 297.3 353.0 15.74 7 801 2011 16.4 9.4 63 7.0 12.0 86 9 308.5 310.3 293.5 336.8 9.28 8 732 2774 12.4 7.4 72 5.0 9.3 95 12 312.2 313.9 294.2 339.6 8.86 9 700 3148 10.2 5.2 71 5.0 7.2 100 13 313.8 315.3 294.0 338.6 7.95 10 603 4376 3.2 0.7 84 2.5 1.8 122 9 319.4 320.7 294.5 340.8 6.69 11 542 5238 -0.3 -6.3 64 6.0 -3.2 138 7 325.1 326.0 294.3 339.7 4.41 12 500 5880 -4.5 -12.5 54 8.0 -7.8 150 5 327.6 328.1 293.7 337.5 2.93 13 493 5991 -5.3 -14.3 49 9.0 -8.9 149 5 327.9 328.4 293.5 336.7 2.56 14 464 6463 -8.5 -12.1 75 3.6 -10.0 143 7 329.6 330.3 294.5 340.8 3.26 15 457 6581 -8.7 -15.7 57 7.0 -11.3 142 7 330.8 331.3 294.1 339.4 2.46 16 439 6891 -10.7 -13.9 77 3.2 -12.0 138 8 332.1 332.7 294.9 342.4 2.98 17 419 7248 -12.3 -18.3 61 6.0 -14.4 134 10 334.5 335.0 294.8 342.2 2.16 18 400 7600 -15.1 -20.1 66 5.0 -16.7 130 11 335.4 335.8 294.8 342.3 1.94 19 393 7734 -16.1 -22.1 60 6.0 -17.9 123 11 335.8 336.1 294.7 341.7 1.66 20 379 8007 -18.1 -20.3 83 2.2 -18.8 108 11 336.6 337.0 295.2 343.8 2.01 21 329 9053 -24.9 -26.8 84 1.9 -25.4 48 11 341.2 341.4 295.7 346.0 1.30 22 308 9531 -27.9 -31.9 69 4.0 -28.7 21 11 343.5 343.6 295.9 346.7 0.86 23 300 9720 -29.7 -33.3 71 3.6 -30.3 10 11 343.5 343.7 295.8 346.5 0.77 24 273 10383 -34.1 -37.5 71 3.4 -34.6 20 18 346.5 346.7 296.4 348.7 0.56 25 256 10828 -38.1 -39.8 84 1.7 -38.3 27 23 347.1 347.2 296.4 348.9 0.47 26 250 10990 -39.3 -41.7 78 2.4 -39.5 30 25 347.6 347.7 296.4 349.2 0.39 27 232 11495 -43.9 -48.1 63 4.2 -44.2 23 24 348.2 348.2 296.4 349.0 0.21 28 200 12470 -52.5 -56.5 62 4.0 -52.7 10 23 349.6 349.6 296.6 350.0 0.09 29 176 13281 -60.1 -65.1 52 5.0 -60.2 21 23 350.2 350.2 296.7 350.3 0.03 30 150 14260 -67.3 -72.0 51 4.7 -67.4 35 23 354.2 354.2 297.5 354.2 0.02 31 144 14506 -69.3 -73.9 51 4.6 -69.4 44 23 354.8 354.8 297.7 354.9 0.01 32 141 14631 -69.9 -75.9 41 6.0 -69.9 48 23 355.9 355.9 297.9 356.0 0.01 33 133 14977 -72.9 -77.0 54 4.1 -72.9 60 24 356.6 356.6 298.0 356.6 0.01 34 123 15435 -74.7 -82.7 28 8.0 -74.7 77 24 361.4 361.4 299.0 361.4 0.00 35 105 16343 -80.5 -85.4 44 4.9 -80.5 110 25 367.0 367.0 300.0 367.0 0.00 36 100 16620 -79.1 -85.1 37 6.0 -79.1 105 25 374.9 374.9 301.4 374.9 0.00 TRP 105 16343 -80.5 -85.4 44 4.9 -80.5 110 25 367.0 367.0 300.0 367.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5801.00 m Freezing level: 547.23 mb = 5164.02 m = 16942.13 ft Wetbulb zero: 581.23 mb = 4673.45 m = 15332.66 ft Precipitable water: 2.35 inches Sfc-500 mean rel hum: 76.70 % Est. max temperature: 32.44 C = 90.40 F Sfc-Lift cond lev (LCL): 958.16 mb = 456.76 m = 1498.54 ft T: 24.79 C 700-500 lapse rate: 5.38 C/km ThetaE index: 16.47 C Layer 923.0- 850.0 mb Conv cond level (CCL): 923.94 mb = 778.07 m = 2552.68 ft Mean mixing ratio: 19.08 g/kg Conv temperature: 30.24 C = 86.43 F Cap Strength: 0.61 C Lifted Index: -4.23 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -5.46 C Lifted Index @700 mb: -2.48 C Showalter Index: -1.82 C Risk: Thunderstorms probable Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 22.10 C K Index: 35.70 Risk: > 80 % chance of thunderstorms Sweat Index: 230.20 Risk: None Energy Index: -2.61 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2146.64 J/kg Max Up Vert Vel: 65.52 m/s Conv Inhibition (B-): 2.16 J/kg Cap Strength: 0.61 C Lift Cond Lev (LCL): 937.94 mb = 645.27 m = 2117.01 ft Lev Free Conv (LFC): 912.94 mb = 882.29 m = 2894.62 ft Equ Level (EL): 122.94 mb = 15437.97 m = 50648.89 ft B at Equ Level: 2109.25 J/kg Wind level data Storm motion: 139 at 7 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 19 330 3 1.5 -2.6 | 323 10 5.8 -7.6 1 1000 79 330 5 2.5 -4.3 | 324 12 6.8 -9.3 2 925 768 160 9 -3.1 8.5 | 200 4 1.2 3.5 3 850 1502 80 7 -6.9 -1.2 | 23 7 -2.6 -6.2 4 700 3148 100 13 -12.8 2.3 | 72 9 -8.5 -2.7 5 500 5880 150 5 -2.5 4.3 | 290 2 1.8 -0.7 6 400 7600 130 11 -8.4 7.1 | 117 5 -4.1 2.1 7 300 9720 10 11 -1.9 -10.8 | 351 16 2.4 -15.8 8 250 10990 30 25 -12.5 -21.7 | 17 28 -8.2 -26.6 9 200 12470 10 23 -4.0 -22.7 | 359 28 0.3 -27.6 10 150 14260 35 23 -13.2 -18.8 | 20 25 -8.9 -23.8 11 105 16343 110 25 -23.5 8.6 | 101 20 -19.2 3.6 12 100 16620 105 25 -24.1 6.5 | 94 20 -19.8 1.5 Wind Parameters Mean winds (0-6000m): 109.1 at 8.8 knts Storm direction: 139.1 at 6.6 knts Shear (0-3000m) pos: 1.1 neg: 1.5 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 106.2 deg Storm rel helicity (0-3000m) pos: 12.0 neg: -51.7 tot: -39.8 m^2/s^2 ave: -13.3 10^-3 m/s^2 rel: -0.52 Storm rel vorticity (0-3000m) horiz: 6.9 stream: -3.6 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 77.10 Bulk Shear: 27.84 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 ------------------------------------------------------------------------------- 500 270 6 296 11| 0.0 9.2 9.2| 0.0 -33.0 -33.0 -65.9 -0.82| 13.9-11.5 1000 158 7 224 2| 0.0 5.8 5.8| 0.0 -46.5 -46.5 -46.5 -0.82| 13.8-11.2 1500 135 7 101 1| 0.0 2.9 2.9| 0.0 -51.7 -51.7 -34.5 -0.80| 11.7 -9.3 2000 114 7 52 3| 0.5 2.2 2.7| 3.6 -51.7 -48.1 -24.1 -0.70| 9.3 -6.5 2500 105 8 49 4| 0.8 1.8 2.6| 7.5 -51.7 -44.2 -17.7 -0.61| 7.8 -4.8 3000 103 9 53 5| 1.1 1.5 2.5| 12.0 -51.7 -39.8 -13.3 -0.52| 6.9 -3.6 4000 104 9 61 5| 0.8 1.1 1.9| 16.2 -51.7 -35.5 -8.9 -0.42| 5.8 -2.4 5000 107 9 64 5| 0.7 0.9 1.6| 17.1 -51.7 -34.7 -6.9 -0.37| 5.0 -1.9 6000 109 9 62 5| 0.6 0.7 1.3| 17.2 -51.8 -34.6 -5.8 -0.33| 4.5 -1.5 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251014.12.gif