UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112812.upa.cvt Date: 1200Z 28 NOV 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 28 NOV 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 1016 6 20.0 7.0 43 13.0 12.7 280 1 291.8 292.9 285.2 309.6 6.19 1 1015 14 22.4 6.4 35 16.0 13.3 279 1 294.3 295.4 285.9 311.6 5.94 2 1010 57 22.6 4.6 31 18.0 12.7 273 2 294.9 295.9 285.4 310.3 5.26 3 1006 91 22.4 4.4 31 18.0 12.5 268 2 295.0 296.0 285.4 310.3 5.21 4 1000 142 22.0 4.0 31 18.0 12.2 260 3 295.1 296.1 285.4 310.1 5.09 5 937 702 17.0 4.0 42 13.0 10.0 4 8 295.6 296.6 285.9 311.5 5.44 6 925 812 17.0 -2.0 27 19.0 7.8 25 9 296.7 297.3 284.3 307.4 3.56 7 850 1525 12.4 -20.6 8 33.0 1.5 50 5 299.1 299.3 282.1 302.0 0.87 8 798 2052 10.4 -30.6 4 41.0 -0.7 94 7 302.5 302.5 282.9 303.7 0.37 9 781 2231 11.6 109 8 305.6 10 730 2793 9.6 -20.4 10 30.0 -0.7 156 10 309.4 309.6 286.4 312.8 1.03 11 706 3071 11.8 -29.2 4 41.0 -0.7 179 11 314.8 314.9 287.6 316.5 0.48 12 700 3142 11.4 -29.6 4 41.0 -1.0 185 11 315.1 315.2 287.7 316.8 0.47 13 606 4326 4.2 -34.8 4 39.0 -5.8 224 14 320.1 320.1 289.1 321.3 0.33 14 600 4407 5.2 -34.8 4 40.0 -5.3 226 14 322.1 322.2 289.8 323.4 0.33 15 570 4823 4.0 -39.0 3 43.0 -6.5 240 15 325.5 325.5 290.7 326.4 0.23 16 500 5870 -3.9 -36.9 6 33.0 -11.5 275 17 328.3 328.3 291.6 329.5 0.32 17 466 6421 -7.3 -23.3 27 16.0 -12.3 280 23 330.7 331.0 293.1 335.2 1.26 18 400 7590 -15.9 -33.9 20 18.0 -19.7 290 36 334.3 334.4 293.4 336.4 0.54 19 390 7781 -17.5 -32.5 26 15.0 -20.7 290 35 334.7 334.8 293.6 337.1 0.64 20 371 8156 -18.7 -40.7 13 22.0 -22.4 289 33 337.9 337.9 294.1 339.0 0.29 21 366 8258 -17.3 -48.3 5 31.0 -21.8 288 33 341.1 341.1 294.7 341.6 0.13 22 300 9720 -28.9 -55.9 6 27.0 -31.2 285 25 344.6 344.7 295.5 344.9 0.07 23 270 10460 -35.9 -58.9 8 23.0 -37.3 279 25 345.0 345.0 295.6 345.2 0.05 24 263 10642 -36.1 -63.1 5 27.0 -37.5 278 25 347.3 347.3 296.1 347.5 0.03 25 250 10990 -39.1 -64.1 5 25.0 -40.2 275 25 347.9 347.9 296.2 348.1 0.03 26 238 11325 -42.3 -65.3 6 23.0 -43.2 269 26 348.0 348.0 296.2 348.1 0.02 27 200 12480 -51.5 -65.5 17 14.0 -51.8 250 29 351.2 351.2 296.9 351.3 0.03 28 181 13119 -56.9 -74.9 9 18.0 -57.1 248 30 352.6 352.6 297.2 352.6 0.01 29 150 14280 -66.7 -71.0 55 4.3 -66.7 245 33 355.2 355.2 297.7 355.3 0.02 30 145 14484 -68.7 -72.4 59 3.7 -68.7 247 32 355.2 355.2 297.7 355.2 0.01 31 135 14910 -71.1 -86.1 9 15.0 -71.2 251 31 358.2 358.2 298.4 358.3 0.00 32 100 16640 -81.7 -92.7 14 11.0 -81.7 270 27 369.9 369.9 300.5 369.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5728.00 m Freezing level: 534.56 mb = 5353.32 m = 17563.17 ft Wetbulb zero: 815.33 mb = 1872.39 m = 6142.93 ft Precipitable water: 0.37 inches Sfc-500 mean rel hum: 10.92 % Est. max temperature: 26.81 C = 80.26 F Sfc-Lift cond lev (LCL): 837.19 mb = 1651.68 m = 5418.82 ft T: 11.92 C 700-500 lapse rate: 5.61 C/km ThetaE index: 9.59 C Layer 925.0- 798.0 mb Conv cond level (CCL): 474.63 mb = 6277.56 m = 20595.42 ft Mean mixing ratio: 5.00 g/kg Conv temperature: 58.45 C = 137.22 F Cap Strength: 18.75 C Lifted Index: 18.29 C Risk: None Lifted Index @300 mb: 24.63 C Lifted Index @700 mb: 15.42 C Showalter Index: 23.71 C Risk: None Total Totals Index: -0.40 C Risk: None Vertical Totals Index: 16.30 C Cross Totals Index: -16.70 C K Index: -45.30 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 5.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.02 J/kg Max Up Vert Vel: 3.47 m/s Conv Inhibition (B-): 13054.77 J/kg Cap Strength: 18.71 C Lift Cond Lev (LCL): 758.01 mb = 2479.45 m = 8134.59 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 270 at 8 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 1016 6 280 1 1.0 -0.2 | 89 7 -6.9 -0.2 1 1000 142 260 3 3.0 0.5 | 96 5 -4.9 0.5 2 925 812 25 9 -3.8 -8.2 | 55 14 -11.7 -8.1 3 850 1525 50 5 -3.8 -3.2 | 75 12 -11.7 -3.2 4 700 3142 185 11 1.0 11.0 | 148 13 -6.9 11.0 5 500 5870 275 17 16.9 -1.5 | 279 9 9.0 -1.5 6 400 7590 290 36 33.8 -12.3 | 295 29 25.9 -12.3 7 300 9720 285 25 24.1 -6.5 | 292 17 16.2 -6.4 8 250 10990 275 25 24.9 -2.2 | 277 17 17.0 -2.2 9 200 12480 250 29 27.3 9.9 | 243 22 19.3 9.9 10 150 14280 245 33 29.9 13.9 | 238 26 22.0 14.0 11 100 16640 270 27 27.0 -0.0 | 270 19 19.1 0.0 Wind Parameters Mean winds (0-6000m): 240.2 at 10.5 knts Storm direction: 270.2 at 7.9 knts Shear (0-3000m) pos: 1.9 neg: 0.0 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 50.3 deg Storm rel helicity (0-3000m) pos: 90.0 neg: -5.0 tot: 85.0 m^2/s^2 ave: 28.3 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 3.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.53 Bulk Shear: 11.38 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 ------------------------------------------------------------------------------- 500 301 4 66 5| 5.8 0.0 5.8| 0.6 -5.0 -4.4 -8.8 -0.46| 8.4 -3.9 1000 11 6 57 11| 4.3 0.0 4.3| 15.0 -5.0 10.0 10.0 0.03| 9.1 0.3 1500 22 6 61 12| 2.0 0.0 2.0| 25.6 -5.0 20.6 13.7 0.17| 7.2 1.2 2000 35 6 67 12| 2.0 0.0 2.0| 39.1 -5.0 34.1 17.1 0.29| 6.6 1.9 2500 55 6 75 14| 2.0 0.0 2.0| 62.6 -5.0 57.6 23.0 0.42| 6.5 2.7 3000 80 7 85 15| 1.9 0.0 1.9| 90.0 -5.0 85.0 28.3 0.52| 6.6 3.5 4000 168 8 129 12| 1.6 0.0 1.6|115.6 -5.0 110.6 27.7 0.60| 6.1 3.6 5000 209 9 157 9| 1.5 0.0 1.5|135.7 -5.0 130.7 26.1 0.65| 5.7 3.7 6000 240 11 193 5| 1.5 0.0 1.5|154.7 -5.0 149.6 24.9 0.68| 5.6 3.8 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251128.12.gif