UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122200.upa.cvt Date: 0000Z 22 DEC 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 22 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 1017 6 22.0 17.6 76 4.4 19.1 195 3 293.7 296.0 291.6 329.5 12.54 1 1000 153 21.2 17.2 78 4.0 18.5 120 5 294.4 296.6 291.7 329.9 12.44 2 925 823 15.8 14.5 92 1.3 15.0 125 17 295.5 297.5 291.1 327.9 11.29 3 916 906 15.0 14.4 96 0.6 14.6 130 16 295.5 297.5 291.2 328.1 11.33 4 890 1150 15.0 10.0 72 5.0 12.0 146 12 297.9 299.5 289.8 323.3 8.69 5 850 1538 12.0 11.1 94 0.9 11.4 170 7 298.7 300.5 291.0 327.4 9.81 6 834 1697 11.2 9.6 90 1.6 10.2 181 8 299.5 301.1 290.6 326.0 9.03 7 830 1737 11.6 8.4 81 3.2 9.7 183 8 300.3 301.9 290.3 325.0 8.36 8 780 2255 8.8 2.8 66 6.0 5.6 219 12 302.7 303.8 289.0 320.8 6.01 9 711 3014 1.6 1.6 100 0.0 1.6 271 18 302.9 304.0 289.1 321.1 6.05 10 707 3059 1.2 1.1 99 0.1 1.1 274 18 303.0 304.0 288.9 320.6 5.87 11 706 3071 1.0 -0.7 88 1.7 0.1 275 18 302.9 303.8 288.2 318.4 5.15 12 705 3082 2.4 -3.6 65 6.0 -0.4 276 19 304.5 305.3 287.9 317.3 4.16 13 700 3140 3.0 -6.0 52 9.0 -1.0 280 19 305.8 306.5 287.6 316.6 3.49 14 698 3163 3.2 -8.8 41 12.0 -1.9 280 19 306.3 306.8 287.1 315.1 2.81 15 694 3210 6.4 -28.6 6 35.0 -3.5 281 19 310.3 310.4 286.1 312.1 0.52 16 671 3485 5.6 -30.4 5 36.0 -4.3 286 21 312.4 312.5 286.8 314.0 0.45 17 651 3733 7.8 -26.2 7 34.0 -2.9 291 22 317.6 317.8 288.8 320.1 0.69 18 643 3835 7.4 -25.6 7 33.0 -3.1 293 22 318.3 318.5 289.0 320.9 0.74 19 595 4466 2.0 -27.0 10 29.0 -6.5 304 25 319.2 319.3 289.3 321.7 0.70 20 535 5315 -2.7 -31.7 9 29.0 -10.1 320 29 323.4 323.5 290.3 325.3 0.50 21 529 5405 -2.3 -38.3 4 36.0 -10.4 322 29 325.0 325.0 290.6 326.0 0.26 22 500 5850 -4.3 -40.3 4 36.0 -11.9 330 31 327.8 327.8 291.3 328.7 0.23 23 446 6741 -10.1 -43.1 5 33.0 -16.1 325 37 331.4 331.4 292.3 332.1 0.19 24 400 7570 -16.7 -46.7 6 30.0 -21.0 320 42 333.3 333.3 292.7 333.9 0.14 25 312 9383 -31.1 -59.1 5 28.0 -33.0 303 47 337.7 337.7 293.8 337.9 0.04 26 300 9660 -32.7 -58.7 6 26.0 -34.4 300 48 339.3 339.3 294.2 339.5 0.05 27 293 9825 -34.1 -59.1 6 25.0 -35.6 302 49 339.6 339.6 294.3 339.8 0.05 28 250 10910 -43.9 -61.9 12 18.0 -44.6 315 58 340.8 340.8 294.6 341.0 0.04 29 230 11464 -48.9 -63.9 16 15.0 -49.3 311 59 341.4 341.4 294.7 341.5 0.03 30 200 12370 -54.5 -70.5 12 16.0 -54.8 305 62 346.5 346.5 295.8 346.5 0.01 31 178 13108 -60.0 -72.3 18 12.4 -60.1 300 75 349.2 349.2 296.5 349.3 0.01 32 176 13178 -60.5 -72.5 19 12.0 -60.6 299 75 349.5 349.5 296.5 349.6 0.01 33 159 13805 -64.5 -77.5 15 13.0 -64.6 287 70 353.0 353.0 297.3 353.1 0.01 34 150 14160 -66.3 -79.3 15 13.0 -66.4 280 68 355.9 355.9 297.9 355.9 0.00 35 124 15299 -71.5 -85.5 11 14.0 -71.5 271 52 366.3 366.3 299.9 366.3 0.00 36 117 15644 -70.5 -88.5 5 18.0 -70.6 268 47 374.3 374.3 301.3 374.3 0.00 37 100 16560 -77.5 -88.5 15 11.0 -77.5 260 33 378.0 378.0 301.9 378.0 0.00 TRP WND 178 13108 -60.0 -72.3 18 12.4 -60.1 300 75 349.2 349.2 296.5 349.3 0.01 Sounding variables and indices 1000-500 mb thick: 5697.00 m Freezing level: 569.47 mb = 4827.39 m = 15837.70 ft Wetbulb zero: 705.74 mb = 3073.77 m = 10084.44 ft Precipitable water: 1.19 inches Sfc-500 mean rel hum: 47.00 % Est. max temperature: 26.67 C = 80.00 F Sfc-Lift cond lev (LCL): 953.38 mb = 563.27 m = 1847.97 ft T: 17.89 C 700-500 lapse rate: 2.69 C/km ThetaE index: 8.97 C Layer 707.0- 671.0 mb Conv cond level (CCL): 918.53 mb = 882.59 m = 2895.61 ft Mean mixing ratio: 11.92 g/kg Conv temperature: 23.75 C = 74.75 F Cap Strength: 7.15 C Lifted Index: 7.40 C Risk: None Lifted Index @300 mb: 8.24 C Lifted Index @700 mb: -0.95 C Showalter Index: 8.22 C Risk: None Total Totals Index: 31.70 C Risk: None Vertical Totals Index: 16.30 C Cross Totals Index: 15.40 C K Index: 18.40 Risk: < 20 % chance of thunderstorms Sweat Index: 178.20 Risk: None Energy Index: 0.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.90 J/kg Max Up Vert Vel: 10.19 m/s Conv Inhibition (B-): 25.03 J/kg Cap Strength: 7.18 C Lift Cond Lev (LCL): 927.66 mb = 798.28 m = 2619.00 ft Lev Free Conv (LFC): 772.66 mb = 2332.84 m = 7653.59 ft Equ Level (EL): 692.66 mb = 3225.65 m = 10582.71 ft B at Equ Level: 46.42 J/kg Max Parcel Lev (MPL): 662.66 mb = 3587.78 m = 11770.80 ft Wind level data Storm motion: 332 at 14 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 1017 6 195 3 0.8 2.9 | 159 16 -5.7 15.1 1 1000 153 120 5 -4.3 2.5 | 144 18 -10.8 14.7 2 925 823 125 17 -13.9 9.8 | 137 30 -20.4 22.0 3 850 1538 170 7 -1.2 6.9 | 158 21 -7.7 19.1 4 700 3140 280 19 18.7 -3.3 | 234 15 12.2 8.9 5 500 5850 330 31 15.5 -26.8 | 328 17 9.0 -14.6 6 400 7570 320 42 27.0 -32.2 | 314 29 20.5 -19.9 7 300 9660 300 48 41.6 -24.0 | 289 37 35.1 -11.8 8 250 10910 315 58 41.0 -41.0 | 310 45 34.5 -28.8 9 200 12370 305 62 50.8 -35.6 | 298 50 44.3 -23.3 10 178 13108 300 75 65.0 -37.5 | 293 64 58.5 -25.3 11 150 14160 280 68 67.0 -11.8 | 270 60 60.5 0.4 12 100 16560 260 33 32.5 5.7 | 235 32 26.0 18.0 Wind Parameters Mean winds (0-6000m): 302.1 at 18.5 knts Storm direction: 332.1 at 13.9 knts Shear (0-3000m) pos: 4.8 neg: 1.9 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 64.5 deg Storm rel helicity (0-3000m) pos: 194.6 neg: -38.1 tot: 156.5 m^2/s^2 ave: 52.2 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 4.4 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.61 Bulk Shear: 85.34 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 ------------------------------------------------------------------------------- 500 125 7 143 20| 0.0 11.1 11.1| 0.0 -32.6 -32.6 -65.1 -0.58| 11.7 -6.8 1000 127 11 141 24| 2.3 5.6 7.8| 26.9 -38.1 -11.2 -11.2 -0.19| 10.7 -2.0 1500 132 11 143 24| 2.8 3.7 6.5| 66.5 -38.1 28.4 18.9 0.07| 10.3 0.7 2000 142 10 148 24| 3.6 2.8 6.4|100.6 -38.1 62.5 31.3 0.22| 9.3 2.1 2500 159 11 155 25| 4.4 2.2 6.6|147.5 -38.1 109.4 43.7 0.36| 9.1 3.3 3000 183 12 166 25| 4.8 1.9 6.7|194.6 -38.1 156.5 52.2 0.47| 9.4 4.4 4000 247 14 199 19| 4.4 1.4 5.8|233.0 -38.1 194.9 48.7 0.54| 8.3 4.5 5000 281 16 225 13| 4.0 1.1 5.1|267.6 -38.1 229.5 45.9 0.60| 7.6 4.6 6000 302 18 255 9| 3.6 0.9 4.6|301.8 -39.5 262.3 43.7 0.63| 7.2 4.5 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251222.00.gif