UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 2 DEC 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 28.4 24.9 81 3.5 25.8 175 3 300.8 304.4 298.7 359.8 20.02 1 1000 85 27.8 24.5 82 3.3 25.3 180 7 301.0 304.6 298.5 359.0 19.71 2 928 747 24.2 19.8 76 4.4 21.1 290 5 303.8 306.7 296.8 350.9 15.86 3 925 775 24.0 20.2 79 3.8 21.3 295 5 303.8 306.9 297.1 352.4 16.32 4 860 1410 18.8 18.5 98 0.3 18.6 325 3 304.8 307.7 297.0 351.9 15.78 5 850 1511 18.4 17.6 95 0.8 17.8 330 3 305.4 308.2 296.7 350.5 15.07 6 774 2311 14.6 11.9 84 2.7 12.9 349 4 309.6 311.8 295.3 344.3 11.39 7 700 3157 9.8 6.9 82 2.9 8.0 10 5 313.3 315.0 294.6 341.1 8.96 8 673 3484 8.4 3.4 71 5.0 5.5 13 6 315.3 316.7 293.9 338.2 7.28 9 635 3963 5.2 1.6 78 3.6 3.2 17 8 317.0 318.3 293.9 338.5 6.78 10 618 4185 4.8 -2.2 60 7.0 1.1 19 9 319.0 320.0 293.3 335.9 5.27 11 596 4480 3.2 -0.5 77 3.7 1.2 22 10 320.4 321.6 294.4 340.4 6.20 12 576 4757 2.0 -6.0 55 8.0 -1.9 24 11 322.2 323.0 293.3 336.1 4.24 13 569 4856 2.2 -20.8 16 23.0 -5.8 25 11 323.5 323.8 291.2 328.0 1.28 14 554 5072 0.6 -15.4 29 16.0 -5.7 27 12 324.1 324.5 292.0 331.2 2.08 15 551 5115 0.6 -30.4 8 31.0 -8.0 28 12 324.6 324.7 290.7 326.6 0.55 16 529 5442 -1.5 -9.5 54 8.0 -5.1 31 13 325.9 326.6 293.7 337.7 3.52 17 500 5890 -4.3 -10.3 63 6.0 -7.0 35 15 327.8 328.5 294.2 339.6 3.49 18 482 6178 -5.9 -10.6 69 4.7 -7.9 48 16 329.3 330.0 294.6 341.3 3.54 19 460 6543 -6.9 -19.9 35 13.0 -11.4 65 17 332.5 332.8 294.0 338.5 1.71 20 427 7120 -10.9 -25.9 28 15.0 -15.2 92 19 334.5 334.7 293.9 338.5 1.08 21 422 7210 -11.3 -24.3 33 13.0 -15.2 96 20 335.1 335.4 294.3 339.7 1.27 22 417 7302 -11.1 -30.1 19 19.0 -16.0 100 20 336.5 336.7 294.1 339.3 0.75 23 400 7620 -13.5 -31.5 20 18.0 -17.9 115 21 337.4 337.6 294.3 340.0 0.69 24 380 8007 -16.9 -53.9 2 37.0 -21.5 116 22 337.9 338.0 293.9 338.2 0.07 25 310 9496 -28.9 -38.9 38 10.0 -30.3 119 28 341.4 341.5 295.1 343.1 0.42 26 309 9519 -28.9 -37.9 42 9.0 -30.3 119 28 341.7 341.8 295.2 343.6 0.47 27 305 9612 -29.1 -46.1 18 17.0 -31.0 120 29 342.7 342.8 295.2 343.6 0.20 28 300 9730 -29.3 -42.3 27 13.0 -31.0 120 29 344.1 344.1 295.6 345.3 0.31 29 288 10019 -31.7 -40.7 41 9.0 -32.9 126 30 344.7 344.8 295.8 346.2 0.38 30 283 10142 -32.3 -45.3 26 13.0 -33.7 128 30 345.6 345.6 295.8 346.5 0.24 31 250 11000 -39.5 -60.5 9 21.0 -40.5 145 33 347.3 347.3 296.1 347.5 0.04 32 224 11744 -45.9 -66.9 8 21.0 -46.5 140 30 348.6 348.6 296.3 348.7 0.02 33 200 12490 -52.5 -69.5 11 17.0 -52.8 135 27 349.6 349.6 296.5 349.7 0.02 34 186 12953 -56.7 -71.7 13 15.0 -56.9 130 24 350.2 350.2 296.7 350.2 0.01 35 150 14280 -67.1 -77.1 23 10.0 -67.2 115 15 354.5 354.5 297.6 354.5 0.01 36 144 14526 -68.5 -80.5 16 12.0 -68.5 113 16 356.2 356.2 298.0 356.2 0.00 37 121 15550 -76.9 -81.6 47 4.7 -76.9 107 19 359.0 359.0 298.5 359.0 0.00 38 112 15992 -79.3 -87.3 26 8.0 -79.3 104 21 362.6 362.6 299.2 362.6 0.00 39 100 16630 -83.3 -88.2 42 4.9 -83.3 100 23 366.8 366.8 300.0 366.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5805.00 m Freezing level: 544.71 mb = 5208.66 m = 17088.59 ft Wetbulb zero: 588.33 mb = 4585.20 m = 15043.13 ft Precipitable water: 2.25 inches Sfc-500 mean rel hum: 72.45 % Est. max temperature: 32.51 C = 90.52 F Sfc-Lift cond lev (LCL): 959.60 mb = 450.05 m = 1476.51 ft T: 25.81 C 700-500 lapse rate: 5.16 C/km ThetaE index: 14.18 C Layer 860.0- 635.0 mb Conv cond level (CCL): 883.49 mb = 1175.22 m = 3855.66 ft Mean mixing ratio: 17.66 g/kg Conv temperature: 32.10 C = 89.78 F Cap Strength: 1.51 C Lifted Index: -3.03 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.48 C Lifted Index @700 mb: -2.09 C Showalter Index: -1.51 C Risk: Thunderstorms probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.70 C Cross Totals Index: 21.90 C K Index: 37.40 Risk: > 80 % chance of thunderstorms Sweat Index: 232.20 Risk: None Energy Index: -2.17 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1306.64 J/kg Max Up Vert Vel: 51.12 m/s Conv Inhibition (B-): 17.32 J/kg Cap Strength: 1.51 C Lift Cond Lev (LCL): 908.52 mb = 931.70 m = 3056.73 ft Lev Free Conv (LFC): 863.52 mb = 1374.47 m = 4509.36 ft Equ Level (EL): 143.52 mb = 14545.76 m = 47721.73 ft B at Equ Level: 1293.93 J/kg Wind level data Storm motion: 48 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 1009 19 175 3 -0.3 3.0 | 210 8 3.8 6.6 1 1000 85 180 7 0.0 7.0 | 201 11 4.1 10.6 2 925 775 295 5 4.5 -2.1 | 260 9 8.6 1.5 3 850 1511 330 3 1.5 -2.6 | 259 6 5.6 1.0 4 700 3157 10 5 -0.9 -4.9 | 292 3 3.2 -1.3 5 500 5890 35 15 -8.6 -12.3 | 28 10 -4.5 -8.7 6 400 7620 115 21 -19.0 8.9 | 130 20 -15.0 12.5 7 300 9730 120 29 -25.1 14.5 | 131 28 -21.0 18.1 8 250 11000 145 33 -18.9 27.0 | 154 34 -14.9 30.7 9 200 12490 135 27 -19.1 19.1 | 147 27 -15.0 22.7 10 150 14280 115 15 -13.6 6.3 | 136 14 -9.5 10.0 11 100 16630 100 23 -22.7 4.0 | 112 20 -18.6 7.6 Wind Parameters Mean winds (0-6000m): 18.2 at 7.3 knts Storm direction: 48.2 at 5.5 knts Shear (0-3000m) pos: 1.3 neg: 0.0 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 78.4 deg Storm rel helicity (0-3000m) pos: 34.9 neg: -2.7 tot: 32.2 m^2/s^2 ave: 10.7 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 2.1 10^-3/s Energy-Hel index: 0.27 Bulk Rich Number: 55.03 Bulk Shear: 23.75 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 ------------------------------------------------------------------------------- 500 207 6 217 11| 6.0 0.0 6.0| 22.3 -2.3 20.0 40.1 0.56| 11.8 6.6 1000 239 6 234 11| 3.5 0.0 3.5| 31.8 -2.3 29.5 29.5 0.60| 8.5 5.2 1500 266 5 246 10| 2.0 0.0 2.0| 31.9 -2.7 29.1 19.4 0.53| 6.4 3.4 2000 285 5 254 9| 1.7 0.0 1.7| 33.0 -2.7 30.3 15.1 0.54| 5.0 2.7 2500 303 4 261 8| 1.5 0.0 1.5| 34.0 -2.7 31.3 12.5 0.55| 4.2 2.3 3000 320 4 268 7| 1.3 0.0 1.3| 34.9 -2.7 32.2 10.7 0.56| 3.7 2.1 4000 346 5 282 5| 1.4 0.0 1.4| 38.2 -2.7 35.5 8.9 0.61| 3.3 2.0 5000 4 6 302 4| 1.5 0.0 1.5| 42.7 -2.7 39.9 8.0 0.63| 3.0 1.9 6000 18 7 331 4| 1.5 0.0 1.5| 52.3 -2.7 49.6 8.3 0.65| 3.0 1.9 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251202.12.gif