UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 7 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 1018 6 21.6 18.2 81 3.4 19.3 315 1 293.2 295.6 291.8 330.3 13.02 1 1000 162 20.0 17.7 87 2.3 18.5 300 7 293.1 295.4 291.6 329.7 12.84 2 989 258 19.2 17.2 88 2.0 17.9 274 7 293.3 295.5 291.5 329.1 12.58 3 970 425 20.2 16.4 79 3.8 17.7 230 6 295.9 298.1 292.0 331.0 12.18 4 925 834 16.6 14.9 90 1.7 15.5 120 5 296.3 298.4 291.6 329.7 11.59 5 906 1011 15.2 14.2 94 1.0 14.6 103 6 296.6 298.6 291.5 329.3 11.31 6 873 1325 14.6 7.6 63 7.0 10.5 72 9 299.1 300.5 289.1 321.3 7.52 7 850 1551 13.0 7.0 67 6.0 9.5 50 11 299.8 301.1 289.2 321.6 7.41 8 745 2642 3.8 2.6 92 1.2 3.2 356 11 301.3 302.4 288.7 319.8 6.20 9 738 2719 6.2 -6.8 39 13.0 0.5 352 11 304.7 305.3 286.9 314.4 3.11 10 721 2912 10.4 -31.6 3 42.0 -1.4 342 11 311.4 311.4 286.3 312.7 0.38 11 702 3135 11.8 -36.2 2 48.0 -1.1 331 11 315.3 315.3 287.5 316.2 0.25 12 700 3159 11.8 -36.2 2 48.0 -1.1 330 11 315.6 315.6 287.6 316.5 0.25 13 684 3351 11.2 -33.8 3 45.0 -1.4 328 11 317.0 317.0 288.1 318.1 0.32 14 569 4860 3.2 -39.8 3 43.0 -7.0 308 11 324.7 324.8 290.4 325.5 0.21 15 500 5890 -4.9 -46.9 2 42.0 -12.5 295 11 327.1 327.1 291.0 327.5 0.11 16 488 6081 -6.5 -47.5 2 41.0 -13.6 293 13 327.4 327.4 291.1 327.8 0.11 17 467 6426 -7.9 -49.9 2 42.0 -14.7 290 17 329.8 329.8 291.7 330.1 0.09 18 459 6561 -7.5 -40.5 5 33.0 -14.2 289 18 331.9 332.0 292.5 332.9 0.24 19 420 7248 -13.3 -29.3 25 16.0 -17.3 283 25 333.0 333.2 293.3 336.0 0.81 20 400 7620 -14.1 -47.1 4 33.0 -19.3 280 29 336.7 336.7 293.6 337.2 0.14 21 365 8307 -18.5 -49.5 5 31.0 -22.7 282 32 339.7 339.7 294.4 340.2 0.11 22 322 9225 -26.9 -41.9 23 15.0 -28.9 284 36 340.5 340.6 294.7 341.7 0.30 23 300 9730 -30.7 -53.7 9 23.0 -32.6 285 38 342.1 342.1 294.9 342.5 0.09 24 291 9945 -32.9 -55.9 8 23.0 -34.6 283 39 342.0 342.0 294.8 342.3 0.07 25 250 10990 -42.1 -54.1 26 12.0 -42.8 275 42 343.5 343.5 295.3 343.9 0.10 26 233 11461 -46.9 -53.9 45 7.0 -47.2 272 43 343.2 343.2 295.2 343.6 0.11 27 222 11780 -48.1 -63.1 16 15.0 -48.6 270 44 346.1 346.1 295.8 346.3 0.04 28 200 12460 -53.1 -61.1 37 8.0 -53.3 265 46 348.7 348.7 296.4 348.9 0.05 29 199 12492 -53.3 -61.3 37 8.0 -53.5 264 46 348.9 348.9 296.4 349.1 0.05 30 188 12858 -55.3 -73.3 9 18.0 -55.6 257 47 351.4 351.4 297.0 351.4 0.01 31 182 13065 -57.1 -69.1 20 12.0 -57.3 254 48 351.7 351.7 297.0 351.8 0.02 32 167 13607 -60.1 -78.1 8 18.0 -60.3 243 50 355.5 355.5 297.8 355.5 0.01 33 150 14270 -66.1 -79.1 15 13.0 -66.2 230 52 356.2 356.2 298.0 356.2 0.01 34 141 14642 -69.7 -79.7 22 10.0 -69.8 233 48 356.3 356.3 298.0 356.3 0.00 35 126 15303 -74.7 -83.7 23 9.0 -74.7 239 42 358.9 358.9 298.5 358.9 0.00 36 100 16620 -82.3 -92.3 16 10.0 -82.3 250 29 368.7 368.7 300.4 368.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5728.00 m Freezing level: 541.74 mb = 5267.20 m = 17280.62 ft Wetbulb zero: 733.77 mb = 2766.87 m = 9077.56 ft Precipitable water: 1.08 inches Sfc-500 mean rel hum: 38.12 % Est. max temperature: 27.66 C = 81.79 F Sfc-Lift cond lev (LCL): 968.49 mb = 438.66 m = 1439.16 ft T: 20.08 C 700-500 lapse rate: 6.11 C/km ThetaE index: 9.70 C Layer 925.0- 850.0 mb Conv cond level (CCL): 909.41 mb = 978.67 m = 3210.81 ft Mean mixing ratio: 12.22 g/kg Conv temperature: 24.92 C = 76.85 F Cap Strength: 8.10 C Lifted Index: 6.27 C Risk: None Lifted Index @300 mb: 9.53 C Lifted Index @700 mb: 7.44 C Showalter Index: 10.61 C Risk: None Total Totals Index: 29.80 C Risk: None Vertical Totals Index: 17.90 C Cross Totals Index: 11.90 C K Index: -23.10 Risk: None Sweat Index: 117.00 Risk: None Energy Index: 1.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 70.66 J/kg Max Up Vert Vel: 11.89 m/s Conv Inhibition (B-): 36.67 J/kg Cap Strength: 8.07 C Lift Cond Lev (LCL): 930.12 mb = 786.46 m = 2580.22 ft Lev Free Conv (LFC): 825.12 mb = 1796.80 m = 5894.95 ft Equ Level (EL): 735.12 mb = 2751.62 m = 9027.52 ft B at Equ Level: 69.11 J/kg Max Parcel Lev (MPL): 695.12 mb = 3217.16 m = 10554.86 ft Wind level data Storm motion: 5 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 1018 6 315 1 0.7 -0.7 | 191 7 1.3 6.7 1 1000 162 300 7 6.1 -3.5 | 239 8 6.7 3.9 2 925 834 120 5 -4.3 2.5 | 159 11 -3.7 9.9 3 850 1551 50 11 -8.4 -7.1 | 93 8 -7.8 0.4 4 700 3159 330 11 5.5 -9.5 | 289 6 6.1 -2.1 5 500 5890 295 11 10.0 -4.6 | 255 11 10.6 2.8 6 400 7620 280 29 28.6 -5.0 | 265 29 29.2 2.4 7 300 9730 285 38 36.7 -9.8 | 274 37 37.3 -2.4 8 250 10990 275 42 41.8 -3.7 | 265 43 42.4 3.8 9 200 12460 265 46 45.8 4.0 | 256 48 46.4 11.4 10 150 14270 230 52 39.8 33.4 | 225 57 40.4 40.9 11 100 16620 250 29 27.3 9.9 | 238 33 27.9 17.4 Wind Parameters Mean winds (0-6000m): 334.7 at 10.0 knts Storm direction: 4.7 at 7.5 knts Shear (0-3000m) pos: 0.0 neg: 1.7 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 108.6 deg Storm rel helicity (0-3000m) pos: 8.9 neg: -91.9 tot: -83.0 m^2/s^2 ave: -27.7 10^-3 m/s^2 rel: -0.68 Storm rel vorticity (0-3000m) horiz: 8.5 stream: -5.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 6.52 Bulk Shear: 10.83 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 ------------------------------------------------------------------------------- 500 271 6 221 10| 0.0 6.5 6.5| 8.9 -23.3 -14.4 -28.9 -0.17| 16.0 -2.7 1000 328 6 234 5| 0.0 3.8 3.8| 8.9 -55.0 -46.1 -46.1 -0.48| 13.4 -6.5 1500 60 7 129 7| 0.0 3.7 3.7| 8.9 -75.0 -66.2 -44.1 -0.60| 11.8 -7.1 2000 47 8 114 5| 0.0 2.8 2.8| 8.9 -82.3 -73.5 -36.7 -0.62| 10.2 -6.4 2500 35 8 98 4| 0.0 2.1 2.1| 8.9 -87.0 -78.2 -31.3 -0.66| 9.2 -6.0 3000 24 9 78 3| 0.0 1.7 1.7| 8.9 -91.9 -83.0 -27.7 -0.68| 8.5 -5.7 4000 2 9 353 2| 0.0 1.3 1.3| 8.9 -96.5 -87.7 -21.9 -0.68| 6.8 -4.7 5000 347 10 305 3| 0.0 1.0 1.0| 8.9-100.7 -91.9 -18.4 -0.69| 5.7 -3.9 6000 335 10 288 5| 0.0 1.0 1.0| 10.4-104.9 -94.6 -15.8 -0.67| 5.0 -3.3 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251207.12.gif