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 VTBC... Searching the city database file for: VTBC ... Date:0000Z 8 DEC 25 Station: VTBC WMO ident: 48480 Latitude: 12.60 Longitude: 102.12 Elevation: 4.00 ------------------------------------------------------------------------------- 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 1011 4 23.0 17.0 69 6.0 19.0 40 6 295.2 297.4 291.7 330.1 12.14 1 1000 100 22.2 16.2 69 6.0 18.2 40 13 295.4 297.4 291.4 328.8 11.66 2 925 775 19.6 13.6 68 6.0 15.7 55 16 299.4 301.3 291.9 330.5 10.64 3 920 822 19.4 13.4 68 6.0 15.5 53 16 299.6 301.5 291.9 330.5 10.56 4 851 1488 14.4 10.2 76 4.2 11.8 30 16 301.1 302.8 291.2 328.4 9.22 5 850 1498 14.4 9.7 73 4.7 11.5 30 16 301.2 302.9 291.0 327.6 8.92 6 842 1578 16.6 2.6 39 14.0 8.9 28 15 304.4 305.4 289.0 321.0 5.48 7 831 1690 17.2 -1.8 27 19.0 7.5 23 14 306.1 306.9 288.3 318.6 4.03 8 799 2024 16.6 -14.4 11 31.0 3.9 10 10 309.0 309.2 286.8 314.1 1.57 9 765 2392 14.0 -24.0 6 38.0 1.3 8 9 310.0 310.1 286.2 312.5 0.72 10 737 2705 13.8 -12.2 15 26.0 2.7 11 9 313.1 313.5 288.6 319.8 2.03 11 734 2740 14.0 -11.0 17 25.0 3.0 12 9 313.7 314.1 289.0 321.0 2.25 12 700 3137 11.2 -11.8 19 23.0 1.3 15 10 314.9 315.3 289.4 322.1 2.21 13 672 3476 9.0 -11.0 23 20.0 0.3 34 9 316.1 316.6 290.0 324.2 2.46 14 657 3663 9.8 -22.2 9 32.0 -1.4 45 9 319.1 319.3 289.5 322.5 0.98 15 598 4433 3.2 -12.8 30 16.0 -3.4 53 7 320.1 320.6 291.2 328.1 2.39 16 582 4652 1.4 -17.6 23 19.0 -5.5 61 7 320.5 320.8 290.6 326.1 1.65 17 523 5505 -3.1 -22.1 21 19.0 -9.3 95 10 325.1 325.3 291.6 329.4 1.24 18 500 5860 -4.1 -24.1 19 20.0 -10.4 85 12 328.0 328.3 292.2 331.9 1.09 19 481 6165 -3.7 -30.7 10 27.0 -11.1 85 11 332.2 332.3 292.9 334.5 0.62 20 400 7590 -14.7 -33.7 18 19.0 -18.8 90 14 335.9 336.0 293.8 338.0 0.55 21 392 7743 -15.9 -33.9 20 18.0 -19.7 90 14 336.3 336.4 293.9 338.4 0.55 22 363 8320 -19.5 -33.5 28 14.0 -22.4 88 14 338.9 339.1 294.6 341.3 0.62 23 300 9710 -30.3 -50.3 12 20.0 -32.2 75 15 342.7 342.7 295.1 343.2 0.13 24 292 9902 -31.5 -59.5 5 28.0 -33.4 74 15 343.6 343.6 295.2 343.8 0.04 25 250 10980 -40.5 -60.5 10 20.0 -41.5 85 13 345.9 345.9 295.7 346.0 0.04 26 245 11117 -41.5 -63.5 7 22.0 -42.4 89 12 346.4 346.4 295.8 346.5 0.03 27 238 11314 -42.7 -58.7 16 16.0 -43.5 96 12 347.4 347.4 296.1 347.7 0.06 28 227 11631 -45.9 -54.9 35 9.0 -46.3 106 10 347.3 347.3 296.1 347.7 0.10 29 206 12269 -51.7 -61.7 29 10.0 -52.0 128 8 347.9 348.0 296.2 348.1 0.05 30 200 12460 -53.5 -61.5 37 8.0 -53.7 135 8 348.0 348.1 296.3 348.3 0.05 31 194 12655 -55.3 -60.1 55 4.8 -55.4 137 10 348.2 348.2 296.3 348.5 0.06 32 191 12754 -56.1 -59.1 69 3.0 -56.2 137 11 348.5 348.5 296.4 348.8 0.07 33 174 13341 -60.1 -73.1 17 13.0 -60.2 142 17 351.3 351.3 296.9 351.4 0.01 34 161 13821 -64.1 -70.1 44 6.0 -64.1 147 21 352.5 352.5 297.2 352.5 0.02 35 150 14250 -67.9 -75.9 31 8.0 -67.9 155 23 353.1 353.1 297.3 353.2 0.01 36 141 14619 -71.1 -78.1 35 7.0 -71.1 150 24 353.8 353.8 297.4 353.8 0.01 37 123 15419 -74.7 -85.7 17 11.0 -74.7 141 25 361.4 361.4 299.0 361.4 0.00 38 101 16535 -84.7 -88.7 49 4.0 -84.7 139 9 363.0 363.0 299.3 363.1 0.00 39 100 16590 -85.1 -89.1 49 4.0 -85.1 130 8 363.3 363.3 299.4 363.3 0.00 40 91 17104 -87.9 -92.9 39 5.0 -87.9 115 15 367.7 367.7 300.1 367.7 0.00 41 85 17477 -83.5 -91.5 23 8.0 -83.5 98 17 383.8 383.8 302.9 383.8 0.00 42 79 17881 -84.9 -92.9 23 8.0 -84.9 79 19 389.1 389.1 303.6 389.1 0.00 43 72 18393 -84.1 -92.1 23 8.0 -84.1 70 24 401.2 401.2 305.4 401.2 0.00 44 70 18550 -79.7 -89.7 18 10.0 -79.7 85 29 413.9 413.9 307.0 413.9 0.00 45 65 18977 -73.5 -88.5 8 15.0 -73.6 85 27 436.3 436.3 309.5 436.3 0.00 46 60 19445 -73.3 -90.3 6 17.0 -73.4 85 25 446.8 446.8 310.6 446.8 0.00 TRP 91 17104 -87.9 -92.9 39 5.0 -87.9 115 15 367.7 367.7 300.1 367.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5760.00 m Freezing level: 563.64 mb = 4917.51 m = 16133.38 ft Wetbulb zero: 669.33 mb = 3508.67 m = 11511.24 ft Precipitable water: 1.00 inches Sfc-500 mean rel hum: 32.00 % Est. max temperature: 28.70 C = 83.66 F Sfc-Lift cond lev (LCL): 925.77 mb = 767.81 m = 2519.04 ft T: 19.63 C 700-500 lapse rate: 5.62 C/km ThetaE index: 18.07 C Layer 851.0- 737.0 mb Conv cond level (CCL): 679.77 mb = 3380.39 m = 11090.38 ft Mean mixing ratio: 11.13 g/kg Conv temperature: 43.61 C = 110.51 F Cap Strength: 8.32 C Lifted Index: 7.25 C Risk: None Lifted Index @300 mb: 10.11 C Lifted Index @700 mb: 6.96 C Showalter Index: 8.30 C Risk: None Total Totals Index: 32.30 C Risk: None Vertical Totals Index: 18.50 C Cross Totals Index: 13.80 C K Index: 5.20 Risk: None Sweat Index: 160.40 Risk: None Energy Index: 1.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.03 J/kg Max Up Vert Vel: 4.48 m/s Conv Inhibition (B-): 9539.51 J/kg Cap Strength: 8.10 C Lift Cond Lev (LCL): 878.77 mb = 1213.60 m = 3981.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 75 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 1011 4 40 6 -3.9 -4.6 | 301 5 4.1 -2.5 1 1000 100 40 13 -8.4 -10.0 | 3 8 -0.4 -7.9 2 977 305 45 16 -11.3 -11.3 | 20 10 -3.3 -9.2 3 943 610 55 16 -13.1 -9.2 | 36 9 -5.1 -7.1 4 925 775 55 16 -13.1 -9.2 | 36 9 -5.1 -7.1 5 910 914 50 17 -13.0 -10.9 | 30 10 -5.1 -8.8 6 850 1498 30 16 -8.0 -13.9 | 0 12 -0.0 -11.8 7 847 1524 30 16 -8.0 -13.9 | 0 12 -0.0 -11.8 8 788 2134 5 9 -0.8 -9.0 | 314 10 7.2 -6.9 9 707 3048 15 9 -2.3 -8.7 | 320 9 5.6 -6.6 10 700 3137 15 10 -2.6 -9.7 | 325 9 5.4 -7.6 11 656 3658 45 9 -6.4 -6.4 | 339 5 1.6 -4.3 12 586 4572 55 7 -5.7 -4.0 | 311 3 2.2 -1.9 13 565 4877 85 8 -8.0 -0.7 | 180 1 0.0 1.4 14 524 5486 95 10 -10.0 0.9 | 146 4 -2.0 2.9 15 500 5860 85 12 -12.0 -1.0 | 105 4 -4.0 1.0 16 485 6096 85 11 -11.0 -1.0 | 111 3 -3.0 1.1 17 400 7590 90 14 -14.0 0.0 | 109 6 -6.0 2.1 18 398 7620 90 14 -14.0 0.0 | 109 6 -6.0 2.1 19 324 9144 85 14 -13.9 -1.2 | 98 6 -6.0 0.9 20 300 9710 75 15 -14.5 -3.9 | 75 7 -6.5 -1.8 21 261 10668 70 15 -14.1 -5.1 | 64 7 -6.1 -3.1 22 250 10980 85 13 -13.0 -1.1 | 101 5 -5.0 0.9 23 208 12192 125 8 -6.6 4.6 | 192 7 1.4 6.7 24 200 12460 135 8 -5.7 5.7 | 197 8 2.3 7.7 25 163 13716 145 21 -12.0 17.2 | 168 20 -4.1 19.3 26 150 14250 155 23 -9.7 20.8 | 176 23 -1.7 22.9 27 126 15240 140 27 -17.4 20.7 | 158 25 -9.4 22.8 28 102 16459 150 11 -5.5 9.5 | 192 12 2.5 11.6 29 100 16590 130 8 -6.1 5.1 | 194 7 1.8 7.2 30 91 17104 115 15 -13.6 6.3 | 146 10 -5.6 8.4 31 73 18288 60 21 -18.2 -10.5 | 50 13 -10.2 -8.4 32 70 18550 85 29 -28.9 -2.5 | 89 21 -20.9 -0.4 33 54 19812 85 22 -21.9 -1.9 | 91 14 -13.9 0.2 Wind Parameters Mean winds (0-6000m): 45.4 at 11.0 knts Storm direction: 75.4 at 8.2 knts Shear (0-3000m) pos: 1.9 neg: 1.9 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 17.8 deg Storm rel helicity (0-3000m) pos: 23.2 neg: -43.3 tot: -20.1 m^2/s^2 ave: -6.7 10^-3 m/s^2 rel: -0.08 Storm rel vorticity (0-3000m) horiz: 5.4 stream: -0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.59 Bulk Shear: 1.32 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 45 14 14 8| 10.5 0.0 10.5| 19.1 0.0 19.1 38.1 0.89| 12.9 11.4 1000 49 15 24 9| 5.2 0.8 6.0| 21.2 -5.0 16.2 16.2 0.63| 8.3 5.2 1500 45 16 20 9| 3.5 2.1 5.5| 21.2 -18.7 2.5 1.7 0.26| 7.2 1.8 2000 40 15 11 10| 2.6 2.7 5.4| 21.2 -38.9 -17.7 -8.9 -0.06| 7.3 -0.4 2500 36 14 2 9| 2.1 2.3 4.4| 22.0 -43.3 -21.3 -8.5 -0.10| 6.3 -0.6 3000 33 13 355 9| 1.9 1.9 3.8| 23.2 -43.3 -20.1 -6.7 -0.08| 5.4 -0.4 4000 33 12 350 8| 1.7 1.4 3.2| 28.6 -43.8 -15.3 -3.8 -0.01| 4.9 -0.0 5000 37 11 350 7| 1.6 1.1 2.8| 28.6 -45.5 -16.9 -3.4 -0.10| 4.5 -0.4 6000 45 11 358 6| 1.5 0.8 2.4| 28.7 -48.5 -19.8 -3.3 -0.15| 4.2 -0.6 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20251208.00.gif