UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 8 DEC 25 Station: VVNB WMO ident: 48820 Latitude: 21.02 Longitude: 105.80 Elevation: 6.00 ------------------------------------------------------------------------------- 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 1021 6 20.0 18.3 90 1.7 18.9 350 3 291.4 293.7 291.2 328.3 13.07 1 1000 183 19.4 18.2 93 1.2 18.6 335 3 292.5 294.9 291.7 330.2 13.26 2 925 849 14.4 12.5 88 1.9 13.2 55 17 294.0 295.8 289.5 322.4 9.89 3 850 1561 11.2 7.6 78 3.6 9.1 95 9 297.9 299.3 288.9 320.5 7.72 4 813 1931 8.8 2.8 66 6.0 5.6 94 8 299.1 300.2 287.5 316.3 5.76 5 730 2815 3.0 3.0 100 0.0 3.0 91 4 302.2 303.4 289.3 321.7 6.52 6 715 2983 1.8 1.8 100 0.0 1.8 91 4 302.6 303.8 289.0 321.0 6.10 7 713 3005 1.6 -1.9 78 3.5 -0.1 90 4 302.7 303.5 287.7 316.8 4.67 8 712 3017 2.8 -9.2 41 12.0 -2.1 90 4 304.1 304.6 286.2 312.4 2.67 9 711 3028 6.6 -14.4 21 21.0 -1.4 90 3 308.4 308.7 286.8 314.1 1.76 10 700 3157 9.6 -29.4 5 39.0 -1.9 90 3 313.1 313.2 287.0 314.8 0.48 11 696 3204 10.8 -28.2 5 39.0 -1.2 93 3 315.0 315.1 287.7 316.9 0.54 12 671 3508 10.6 -35.4 2 46.0 -1.9 112 5 318.0 318.1 288.4 319.1 0.28 13 593 4525 5.8 -42.2 2 48.0 -5.4 176 9 323.9 323.9 290.1 324.5 0.16 14 502 5859 -4.7 -48.7 2 44.0 -12.3 263 15 326.9 327.0 290.9 327.3 0.09 15 500 5890 -4.9 -48.9 2 44.0 -12.5 265 15 327.1 327.1 291.0 327.4 0.09 16 446 6780 -9.5 -35.5 10 26.0 -15.3 273 18 332.1 332.2 292.7 333.7 0.42 17 410 7423 -15.1 -32.1 22 17.0 -18.9 278 20 333.0 333.1 293.2 335.4 0.63 18 400 7610 -14.9 -37.9 12 23.0 -19.4 280 21 335.6 335.7 293.6 337.0 0.36 19 395 7705 -15.3 -35.3 16 20.0 -19.4 279 21 336.3 336.4 293.9 338.1 0.48 20 300 9720 -32.3 -50.3 15 18.0 -33.8 260 23 339.9 339.9 294.4 340.4 0.13 21 277 10273 -37.1 -51.1 22 14.0 -38.1 273 29 340.8 340.8 294.6 341.3 0.13 22 250 10970 -41.9 -58.9 14 17.0 -42.7 290 36 343.8 343.8 295.3 344.0 0.05 23 248 11025 -41.7 -60.7 11 19.0 -42.5 289 36 344.9 344.9 295.5 345.0 0.04 24 223 11737 -48.1 -58.1 31 10.0 -48.5 272 37 345.7 345.7 295.7 346.0 0.07 25 221 11796 -48.3 -59.3 27 11.0 -48.7 271 37 346.3 346.3 295.8 346.5 0.06 26 219 11856 -47.7 -66.7 9 19.0 -48.2 269 37 348.1 348.1 296.3 348.2 0.02 27 200 12450 -53.1 -68.1 15 15.0 -53.4 255 38 348.7 348.7 296.4 348.8 0.02 28 150 14240 -67.3 -76.3 27 9.0 -67.4 230 48 354.2 354.2 297.5 354.2 0.01 29 144 14485 -69.5 -76.5 35 7.0 -69.5 233 45 354.5 354.5 297.6 354.5 0.01 30 100 16590 -82.1 -91.1 20 9.0 -82.1 255 19 369.1 369.1 300.4 369.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5707.00 m Freezing level: 542.73 mb = 5261.66 m = 17262.44 ft Wetbulb zero: 713.10 mb = 3004.15 m = 9856.01 ft Precipitable water: 1.11 inches Sfc-500 mean rel hum: 44.12 % Est. max temperature: 25.39 C = 77.70 F Sfc-Lift cond lev (LCL): 996.03 mb = 216.94 m = 711.75 ft T: 19.15 C 700-500 lapse rate: 5.31 C/km ThetaE index: 13.92 C Layer 925.0- 730.0 mb Conv cond level (CCL): 940.67 mb = 705.46 m = 2314.48 ft Mean mixing ratio: 11.82 g/kg Conv temperature: 22.32 C = 72.18 F Cap Strength: 10.20 C Lifted Index: 7.91 C Risk: None Lifted Index @300 mb: 10.10 C Lifted Index @700 mb: 6.47 C Showalter Index: 11.22 C Risk: None Total Totals Index: 28.60 C Risk: None Vertical Totals Index: 16.10 C Cross Totals Index: 12.50 C K Index: -15.30 Risk: None Sweat Index: 124.20 Risk: None Energy Index: 1.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 62.37 J/kg Max Up Vert Vel: 11.17 m/s Conv Inhibition (B-): 1.12 J/kg Cap Strength: 10.12 C Lift Cond Lev (LCL): 950.03 mb = 620.95 m = 2037.20 ft Lev Free Conv (LFC): 925.03 mb = 848.76 m = 2784.61 ft Equ Level (EL): 715.03 mb = 2982.41 m = 9784.68 ft B at Equ Level: 60.37 J/kg Max Parcel Lev (MPL): 685.03 mb = 3336.40 m = 10946.05 ft Wind level data Storm motion: 62 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 1021 6 350 3 0.5 -3.0 | 269 6 6.3 0.1 1 1000 183 335 3 1.3 -2.7 | 268 7 7.1 0.3 2 925 849 55 17 -13.9 -9.8 | 50 11 -8.1 -6.7 3 850 1561 95 9 -9.0 0.8 | 140 5 -3.2 3.8 4 700 3157 90 3 -3.0 0.0 | 223 4 2.8 3.0 5 500 5890 265 15 14.9 1.3 | 258 21 20.7 4.3 6 400 7610 280 21 20.7 -3.6 | 271 26 26.5 -0.6 7 300 9720 260 23 22.7 4.0 | 256 29 28.4 7.0 8 250 10970 290 36 33.8 -12.3 | 283 41 39.6 -9.3 9 200 12450 255 38 36.7 9.8 | 253 44 42.5 12.9 10 150 14240 230 48 36.8 30.9 | 231 54 42.6 33.9 11 100 16590 255 19 18.4 4.9 | 252 25 24.1 7.9 Wind Parameters Mean winds (0-6000m): 32.5 at 8.7 knts Storm direction: 62.5 at 6.5 knts Shear (0-3000m) pos: 1.5 neg: 0.6 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): -53.2 deg Storm rel helicity (0-3000m) pos: 64.6 neg: -0.2 tot: 64.4 m^2/s^2 ave: 21.5 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 6.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 17.84 Bulk Shear: 3.50 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 0 5 290 6| 7.4 0.0 7.4| 15.0 -0.2 14.8 29.6 0.92| 8.8 8.1 1000 46 10 18 4| 7.6 0.0 7.6| 46.2 -0.2 46.1 46.1 0.94| 12.0 11.2 1500 57 11 48 4| 3.7 0.0 3.7| 59.0 -0.2 58.8 39.2 0.93| 10.8 10.0 2000 64 10 68 4| 2.2 0.0 2.2| 61.4 -0.2 61.2 30.6 0.92| 8.8 8.0 2500 69 9 83 3| 1.8 0.4 2.1| 63.0 -0.2 62.8 25.1 0.92| 7.4 6.8 3000 71 8 98 2| 1.5 0.6 2.1| 64.6 -0.2 64.4 21.5 0.92| 6.5 6.0 4000 79 8 133 2| 1.6 0.5 2.0| 65.2 -3.2 62.0 15.5 0.75| 5.7 4.2 5000 95 8 152 4| 1.4 0.4 1.7| 89.9 -3.2 86.7 17.3 0.72| 5.7 4.1 6000 32 9 346 4| 1.0 0.3 1.3|157.2 -3.2 154.0 25.7 0.76| 5.9 4.5 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251208.00.gif