UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 1 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 29.0 24.0 74 5.0 25.3 175 3 301.4 304.9 298.1 357.2 18.94 1 1000 79 29.4 21.4 62 8.0 23.6 185 5 302.5 305.5 296.8 350.6 16.25 2 925 771 24.2 18.2 69 6.0 20.0 260 5 304.1 306.7 295.9 346.8 14.36 3 850 1506 18.8 16.2 85 2.6 17.0 5 7 305.8 308.4 296.0 347.1 13.76 4 809 1929 15.6 14.5 93 1.1 14.8 36 7 306.8 309.2 295.7 345.8 12.94 5 769 2360 14.2 11.0 81 3.2 12.1 67 7 309.8 311.8 295.0 342.7 10.79 6 765 2404 14.4 6.4 59 8.0 9.6 70 7 310.4 311.9 293.0 334.8 7.91 7 742 2662 12.8 11.2 90 1.6 11.7 89 7 311.4 313.6 295.8 346.2 11.34 8 740 2685 12.8 10.9 88 1.9 11.6 91 7 311.7 313.8 295.7 345.9 11.14 9 735 2742 14.0 8.0 67 6.0 10.2 95 7 313.6 315.3 294.8 342.2 9.20 10 722 2893 13.6 5.6 58 8.0 8.8 106 7 314.7 316.3 294.2 339.6 7.93 11 700 3154 12.0 5.0 62 7.0 7.8 125 7 315.8 317.3 294.4 340.4 7.84 12 675 3458 10.8 3.8 62 7.0 6.6 111 7 317.7 319.2 294.7 341.4 7.47 13 589 4577 2.2 -0.9 80 3.1 0.5 61 7 320.4 321.5 294.3 340.0 6.09 14 571 4827 0.8 -3.5 73 4.3 -1.4 49 7 321.6 322.6 293.9 338.4 5.18 15 560 4984 1.2 -16.8 25 18.0 -5.7 42 7 323.8 324.2 291.7 330.1 1.83 16 556 5042 1.2 -22.8 15 24.0 -6.8 39 7 324.5 324.7 291.2 328.4 1.10 17 545 5202 0.6 -28.4 9 29.0 -7.8 32 7 325.6 325.8 291.2 328.1 0.67 18 520 5578 -1.1 -29.1 10 28.0 -9.1 15 7 328.0 328.1 291.8 330.4 0.66 19 500 5890 -3.9 -31.9 9 28.0 -11.1 360 7 328.3 328.4 291.7 330.2 0.53 20 488 6082 -5.5 -33.5 9 28.0 -12.3 7 9 328.6 328.7 291.8 330.3 0.46 21 465 6459 -8.9 -13.9 67 5.0 -10.9 21 12 328.9 329.5 294.0 338.6 2.81 22 429 7078 -13.7 -21.7 51 8.0 -16.2 45 18 330.5 330.8 293.3 336.1 1.57 23 417 7294 -14.7 -17.4 80 2.7 -15.6 53 20 331.9 332.4 294.3 340.1 2.34 24 414 7349 -14.3 -17.9 74 3.6 -15.6 55 21 333.1 333.6 294.6 341.0 2.26 25 406 7497 -14.3 -19.1 67 4.8 -15.9 61 22 335.0 335.4 294.9 342.4 2.08 26 400 7610 -15.3 -18.5 76 3.2 -16.4 65 23 335.1 335.6 295.0 343.0 2.22 27 378 8033 -18.9 -18.9 100 0.0 -18.9 75 22 335.8 336.3 295.3 343.9 2.27 28 349 8621 -22.5 -22.5 100 0.0 -22.5 89 20 338.7 339.1 295.6 345.2 1.80 29 340 8813 -21.5 -31.5 40 10.0 -23.7 93 20 342.6 342.8 295.7 345.7 0.81 30 335 8921 -22.3 -35.3 30 13.0 -24.8 96 19 343.0 343.1 295.6 345.2 0.57 31 312 9438 -26.1 -39.1 28 13.0 -28.2 108 18 344.7 344.8 295.8 346.3 0.41 32 300 9720 -28.7 -41.7 28 13.0 -30.4 115 17 344.9 345.0 295.8 346.2 0.33 33 280 10211 -32.7 -48.7 19 16.0 -34.3 107 18 346.0 346.1 295.9 346.7 0.16 34 250 11000 -39.1 -58.1 12 19.0 -40.2 95 19 347.9 347.9 296.3 348.2 0.06 35 236 11393 -42.5 -51.5 37 9.0 -43.0 95 20 348.6 348.6 296.4 349.2 0.14 36 231 11537 -43.5 -60.5 14 17.0 -44.2 95 20 349.2 349.2 296.5 349.4 0.05 37 221 11834 -46.3 -62.3 15 16.0 -46.9 95 21 349.3 349.3 296.5 349.5 0.04 38 219 11894 -46.7 -55.7 35 9.0 -47.1 95 21 349.6 349.6 296.6 350.0 0.09 39 205 12329 -50.5 -66.5 13 16.0 -50.9 95 23 350.3 350.3 296.7 350.4 0.02 40 200 12490 -52.1 -67.1 15 15.0 -52.4 95 23 350.3 350.3 296.7 350.4 0.02 41 177 13270 -58.7 -65.7 40 7.0 -58.8 95 23 351.9 351.9 297.1 352.0 0.03 42 173 13413 -60.3 -69.3 30 9.0 -60.4 95 23 351.6 351.6 297.0 351.6 0.02 43 170 13522 -60.9 -72.9 19 12.0 -61.0 95 23 352.3 352.3 297.1 352.4 0.01 44 165 13707 -62.3 -68.3 44 6.0 -62.4 95 23 353.0 353.0 297.3 353.1 0.02 45 156 14052 -64.5 -77.5 15 13.0 -64.6 95 23 355.0 355.0 297.7 355.0 0.01 46 150 14290 -66.9 -75.9 27 9.0 -67.0 95 23 354.8 354.8 297.7 354.9 0.01 47 123 15463 -75.3 -85.3 19 10.0 -75.3 90 21 360.3 360.3 298.8 360.3 0.00 48 100 16640 -82.3 -89.3 29 7.0 -82.3 85 19 368.7 368.7 300.4 368.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5811.00 m Freezing level: 536.18 mb = 5335.05 m = 17503.23 ft Wetbulb zero: 583.91 mb = 4647.02 m = 15245.95 ft Precipitable water: 2.09 inches Sfc-500 mean rel hum: 62.52 % Est. max temperature: 33.26 C = 91.86 F Sfc-Lift cond lev (LCL): 938.84 mb = 639.14 m = 2096.89 ft T: 25.19 C 700-500 lapse rate: 5.81 C/km ThetaE index: 12.29 C Layer 809.0- 742.0 mb Conv cond level (CCL): 834.30 mb = 1665.61 m = 5464.54 ft Mean mixing ratio: 15.33 g/kg Conv temperature: 33.84 C = 92.91 F Cap Strength: 2.15 C Lifted Index: -0.58 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.28 C Lifted Index @700 mb: 1.73 C Showalter Index: 0.12 C Risk: Thunderstorms probable Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 20.10 C K Index: 31.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 215.40 Risk: None Energy Index: -3.16 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 266.57 J/kg Max Up Vert Vel: 23.09 m/s Conv Inhibition (B-): 43.52 J/kg Cap Strength: 2.07 C Lift Cond Lev (LCL): 869.21 mb = 1311.77 m = 4303.64 ft Lev Free Conv (LFC): 804.21 mb = 1979.85 m = 6495.48 ft Equ Level (EL): 794.21 mb = 2086.12 m = 6844.14 ft B at Equ Level: 3.63 J/kg Max Parcel Lev (MPL): 764.21 mb = 2413.03 m = 7916.67 ft Wind level data Storm motion: 83 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 | 232 6 4.7 3.6 1 1000 79 185 5 0.4 5.0 | 224 8 5.4 5.6 2 925 771 260 5 4.9 0.9 | 262 10 9.9 1.5 3 850 1506 5 7 -0.6 -7.0 | 326 8 4.3 -6.4 4 700 3154 125 7 -5.7 4.0 | 170 5 -0.8 4.6 5 500 5890 360 7 -0.0 -7.0 | 322 8 4.9 -6.4 6 400 7610 65 23 -20.8 -9.7 | 60 18 -15.9 -9.1 7 300 9720 115 17 -15.4 7.2 | 127 13 -10.5 7.8 8 250 11000 95 19 -18.9 1.7 | 99 14 -14.0 2.3 9 200 12490 95 23 -22.9 2.0 | 98 18 -18.0 2.6 10 150 14290 95 23 -22.9 2.0 | 98 18 -18.0 2.6 11 100 16640 85 19 -18.9 -1.7 | 86 14 -14.0 -1.1 Wind Parameters Mean winds (0-6000m): 53.0 at 6.6 knts Storm direction: 83.0 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): -73.7 deg Storm rel helicity (0-3000m) pos: 51.8 neg: -1.4 tot: 50.4 m^2/s^2 ave: 16.8 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 4.5 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 16.19 Bulk Shear: 16.46 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 ------------------------------------------------------------------------------- 500 205 5 235 9| 4.4 0.0 4.4| 8.0 -1.4 6.6 13.2 0.43| 6.2 2.7 1000 235 5 249 10| 3.9 0.0 3.9| 23.1 -1.4 21.7 21.7 0.71| 6.0 4.3 1500 271 5 267 10| 3.4 0.0 3.4| 41.1 -1.4 39.7 26.5 0.80| 6.7 5.4 2000 324 6 296 9| 2.4 0.0 2.4| 46.3 -1.4 44.9 22.5 0.78| 6.2 4.9 2500 4 6 321 7| 1.6 0.0 1.6| 49.2 -1.4 47.8 19.1 0.79| 5.9 4.6 3000 33 6 341 5| 1.0 0.0 1.0| 51.8 -1.4 50.4 16.8 0.80| 5.7 4.5 4000 82 6 78 1| 0.8 0.5 1.2| 52.5 -4.3 48.2 12.1 0.61| 4.9 3.0 5000 72 7 42 2| 0.6 0.9 1.5| 52.5 -7.9 44.6 8.9 0.43| 4.5 1.9 6000 53 7 6 3| 0.5 1.1 1.6| 54.7 -13.5 41.2 6.9 0.33| 4.3 1.4 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251201.12.gif