UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120300.upa.cvt Date: 0000Z 3 DEC 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 3 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 1012 4 23.0 21.3 90 1.7 21.8 0 0 295.1 298.0 294.6 340.9 15.95 1 1005 62 22.8 21.4 92 1.4 21.8 284 1 295.5 298.4 294.8 342.0 16.17 2 1000 103 24.0 20.8 82 3.2 21.8 230 1 297.1 300.0 294.9 342.4 15.65 3 987 218 25.0 19.0 69 6.0 20.8 287 1 299.3 301.8 294.4 340.5 14.15 4 967 398 24.8 17.8 65 7.0 20.0 342 1 300.8 303.3 294.3 340.1 13.38 5 948 573 24.0 19.0 74 5.0 20.5 5 2 301.7 304.4 295.6 345.2 14.74 6 925 788 23.0 18.0 73 5.0 19.5 30 3 302.8 305.4 295.4 344.8 14.18 7 850 1521 17.8 16.4 92 1.4 16.8 70 8 304.8 307.4 295.8 346.4 13.94 8 828 1745 16.0 15.7 98 0.3 15.8 77 7 305.2 307.7 295.7 346.1 13.68 9 796 2080 14.8 11.2 79 3.6 12.5 88 5 307.4 309.3 294.1 339.3 10.56 10 732 2786 10.2 7.9 86 2.3 8.8 101 4 309.8 311.5 293.8 337.9 9.18 11 712 3016 9.0 4.0 71 5.0 6.1 104 3 310.9 312.3 292.6 333.1 7.18 12 708 3063 10.0 -2.0 43 12.0 3.8 102 3 312.5 313.4 290.9 327.3 4.67 13 700 3158 9.6 -2.4 43 12.0 3.4 80 4 313.1 314.0 291.0 327.6 4.58 14 671 3506 6.6 -4.4 45 11.0 1.2 66 5 313.6 314.4 290.7 326.6 4.11 15 637 3931 5.6 -15.4 20 21.0 -2.6 61 7 317.1 317.5 289.7 323.2 1.81 16 628 4048 7.4 -31.6 4 39.0 -3.7 62 7 320.5 320.6 289.4 322.0 0.43 17 500 5880 -4.5 -35.5 7 31.0 -11.8 85 9 327.6 327.6 291.4 328.9 0.37 18 490 6039 -5.3 -38.3 5 33.0 -12.5 92 9 328.5 328.5 291.6 329.6 0.29 19 470 6365 -7.7 -15.7 53 8.0 -10.8 101 9 329.4 329.9 293.7 337.7 2.39 20 441 6858 -11.3 -17.3 61 6.0 -13.5 112 9 330.9 331.4 294.0 338.7 2.23 21 420 7231 -14.1 -22.1 51 8.0 -16.5 121 10 332.0 332.3 293.7 337.5 1.55 22 400 7600 -16.3 -27.3 38 11.0 -19.1 130 10 333.8 334.0 293.7 337.5 1.02 23 366 8265 -19.7 -35.7 23 16.0 -22.8 124 11 337.9 338.0 294.3 339.8 0.50 24 324 9159 -26.9 -36.9 38 10.0 -28.5 115 13 339.9 340.0 294.8 341.8 0.50 25 306 9569 -30.1 -41.1 33 11.0 -31.5 137 13 341.0 341.1 294.9 342.4 0.34 26 300 9710 -30.9 -45.9 22 15.0 -32.5 145 13 341.8 341.9 295.0 342.7 0.21 27 250 10980 -39.5 -60.5 9 21.0 -40.5 165 10 347.3 347.3 296.1 347.5 0.04 28 200 12460 -52.3 -65.3 19 13.0 -52.6 220 8 349.9 350.0 296.7 350.1 0.03 29 162 13791 -63.1 -73.1 25 10.0 -63.2 212 8 353.5 353.5 297.4 353.6 0.01 30 158 13944 -64.5 -78.5 13 14.0 -64.6 203 8 353.7 353.7 297.4 353.7 0.01 31 150 14260 -66.7 -76.7 23 10.0 -66.8 185 7 355.2 355.2 297.7 355.2 0.01 32 100 16600 -83.9 -88.6 43 4.7 -83.9 135 13 365.6 365.6 299.8 365.6 0.00 33 81 17761 -87.3 -94.3 26 7.0 -87.3 110 10 381.4 381.4 302.5 381.4 0.00 34 75 18189 -79.7 -88.7 21 9.0 -79.7 69 4 405.8 405.8 306.0 405.8 0.00 35 70 18580 -80.9 -88.9 25 8.0 -80.9 355 14 411.3 411.3 306.7 411.3 0.00 36 68 18743 -81.5 -89.5 24 8.0 -81.5 11 15 413.4 413.4 306.9 413.4 0.00 37 60 19461 -73.3 -89.3 7 16.0 -73.4 78 17 446.8 446.8 310.6 446.9 0.00 38 50 20530 -72.7 -90.7 5 18.0 -72.8 60 15 472.2 472.2 312.8 472.2 0.00 39 42 21577 -63.5 -91.5 1 28.0 -64.0 75 18 519.1 519.1 316.2 519.1 0.00 40 35 22701 -61.9 -89.9 1 28.0 -62.6 89 32 551.1 551.1 318.2 551.1 0.00 41 35 22701 -61.9 -89.9 1 28.0 -62.6 89 32 551.1 551.1 318.2 551.1 0.00 TRP 81 17761 -87.3 -94.3 26 7.0 -87.3 110 10 381.4 381.4 302.5 381.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5777.00 m Freezing level: 548.40 mb = 5187.16 m = 17018.02 ft Wetbulb zero: 660.20 mb = 3638.99 m = 11938.78 ft Precipitable water: 1.73 inches Sfc-500 mean rel hum: 48.86 % Est. max temperature: 32.36 C = 90.25 F Sfc-Lift cond lev (LCL): 987.51 mb = 213.57 m = 700.69 ft T: 24.96 C 700-500 lapse rate: 5.18 C/km ThetaE index: 19.15 C Layer 828.0- 700.0 mb Conv cond level (CCL): 836.59 mb = 1656.91 m = 5436.00 ft Mean mixing ratio: 14.44 g/kg Conv temperature: 32.92 C = 91.26 F Cap Strength: 3.22 C Lifted Index: 1.11 C Risk: Showers probable Lifted Index @300 mb: 1.48 C Lifted Index @700 mb: 1.03 C Showalter Index: -0.24 C Risk: Thunderstorms probable Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 20.90 C K Index: 26.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 221.80 Risk: None Energy Index: -3.32 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.82 J/kg Max Up Vert Vel: 7.59 m/s Conv Inhibition (B-): 118.42 J/kg Cap Strength: 3.09 C Lift Cond Lev (LCL): 892.98 mb = 1093.36 m = 3587.08 ft Lev Free Conv (LFC): 727.98 mb = 2831.52 m = 9289.67 ft Equ Level (EL): 707.98 mb = 3063.50 m = 10050.72 ft B at Equ Level: 26.13 J/kg Max Parcel Lev (MPL): 617.98 mb = 4177.05 m = 13704.06 ft Wind level data Storm motion: 100 at 5 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 1012 4 0 0 -0.0 -0.0 | 280 5 4.6 -0.8 1 1000 103 230 1 0.8 0.6 | 272 5 5.3 -0.2 2 977 305 330 1 0.5 -0.9 | 288 5 5.1 -1.7 3 944 610 10 2 -0.3 -2.0 | 303 5 4.2 -2.8 4 925 788 30 3 -1.5 -2.6 | 318 5 3.1 -3.4 5 912 914 35 5 -2.9 -4.1 | 341 5 1.7 -4.9 6 850 1521 70 8 -7.5 -2.7 | 40 5 -2.9 -3.6 7 850 1524 70 8 -7.5 -2.7 | 40 5 -2.9 -3.6 8 790 2134 90 5 -5.0 0.0 | 27 1 -0.4 -0.8 9 709 3048 105 3 -2.9 0.8 | 272 2 1.7 -0.0 10 700 3158 80 4 -3.9 -0.7 | 337 2 0.6 -1.5 11 658 3658 60 6 -5.2 -3.0 | 9 4 -0.6 -3.8 12 588 4572 65 8 -7.3 -3.4 | 32 5 -2.7 -4.2 13 566 4877 70 8 -7.5 -2.7 | 40 5 -2.9 -3.6 14 525 5486 70 13 -12.2 -4.4 | 55 9 -7.6 -5.3 15 500 5880 85 9 -9.0 -0.8 | 70 5 -4.4 -1.6 16 486 6096 95 9 -9.0 0.8 | 89 4 -4.4 -0.0 17 400 7600 130 10 -7.7 6.4 | 151 6 -3.1 5.6 18 399 7620 130 10 -7.7 6.4 | 151 6 -3.1 5.6 19 324 9144 115 13 -11.8 5.5 | 123 9 -7.2 4.7 20 300 9710 145 13 -7.5 10.6 | 164 10 -2.9 9.8 21 261 10668 155 6 -2.5 5.4 | 204 5 2.0 4.6 22 250 10980 165 10 -2.6 9.7 | 193 9 2.0 8.8 23 208 12192 200 10 3.4 9.4 | 223 12 8.0 8.6 24 200 12460 220 8 5.1 6.1 | 241 11 9.7 5.3 25 164 13716 215 8 4.6 6.6 | 238 11 9.2 5.7 26 150 14260 185 7 0.6 7.0 | 220 8 5.2 6.1 27 127 15240 165 10 -2.6 9.7 | 193 9 2.0 8.8 28 102 16459 130 10 -7.7 6.4 | 151 6 -3.1 5.6 29 100 16600 135 13 -9.2 9.2 | 151 10 -4.6 8.4 30 81 17761 110 10 -9.4 3.4 | 118 5 -4.8 2.6 31 74 18288 60 3 -2.6 -1.5 | 320 3 2.0 -2.3 32 70 18580 355 14 1.2 -13.9 | 339 16 5.8 -14.8 33 57 19812 110 18 -16.9 6.2 | 113 13 -12.3 5.3 34 50 20530 60 15 -13.0 -7.5 | 45 12 -8.4 -8.3 35 42 21336 75 18 -17.4 -4.7 | 67 14 -12.8 -5.5 36 30 22860 100 43 -42.3 7.5 | 100 38 -37.8 6.6 37 28 23165 95 39 -38.9 3.4 | 94 34 -34.3 2.6 Wind Parameters Mean winds (0-6000m): 70.2 at 6.2 knts Storm direction: 100.2 at 4.6 knts Shear (0-3000m) pos: 0.7 neg: 0.3 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): -8.0 deg Storm rel helicity (0-3000m) pos: 14.8 neg: -1.3 tot: 13.5 m^2/s^2 ave: 4.5 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.88 Bulk Shear: 5.91 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 ------------------------------------------------------------------------------- 500 316 1 286 6| 0.0 1.7 1.7| 3.5 -0.9 2.6 5.2 0.49| 3.7 1.8 1000 18 2 306 5| 2.3 0.9 3.1| 9.2 -0.9 8.2 8.2 0.75| 4.2 3.1 1500 45 4 330 4| 2.6 0.6 3.2| 14.4 -0.9 13.5 9.0 0.83| 4.2 3.5 2000 58 4 346 3| 1.5 0.4 1.9| 14.8 -1.0 13.8 6.9 0.68| 3.9 2.7 2500 66 5 351 3| 1.0 0.3 1.3| 14.8 -1.2 13.6 5.4 0.55| 3.5 1.9 3000 71 4 349 2| 0.7 0.3 1.0| 14.8 -1.3 13.5 4.5 0.48| 3.1 1.5 4000 70 5 354 2| 0.5 0.8 1.3| 16.8 -1.3 15.5 3.9 0.53| 3.0 1.6 5000 68 5 6 3| 0.6 0.6 1.3| 19.6 -1.3 18.2 3.6 0.55| 2.7 1.5 6000 70 6 23 3| 0.7 0.5 1.3| 26.4 -1.3 25.0 4.2 0.52| 3.1 1.6 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20251203.00.gif