UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120200.upa.cvt Date: 0000Z 2 DEC 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 2 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 21.0 19.0 88 2.0 19.6 0 0 293.2 295.7 292.4 332.5 13.80 1 1000 100 22.8 18.9 79 3.9 20.1 0 0 296.0 298.4 293.3 335.9 13.87 2 990 188 24.2 19.2 74 5.0 20.7 358 0 298.2 300.8 294.3 339.7 14.28 3 979 286 24.2 18.2 69 6.0 20.1 355 1 299.2 301.6 294.0 338.7 13.55 4 945 596 23.2 16.2 65 7.0 18.5 317 2 301.2 303.4 293.7 337.5 12.35 5 925 783 22.2 16.2 69 6.0 18.1 310 1 302.0 304.3 294.1 339.3 12.62 6 850 1513 17.0 12.8 76 4.2 14.3 100 7 304.0 306.0 293.5 336.7 10.99 7 825 1767 15.0 14.6 97 0.4 14.7 120 8 304.4 306.8 294.9 342.5 12.77 8 800 2028 16.8 -2.2 27 19.0 7.0 141 9 309.1 309.8 289.3 321.8 4.06 9 788 2157 16.6 -3.4 25 20.0 6.5 149 9 310.2 310.9 289.4 322.1 3.77 10 760 2464 14.6 -4.4 27 19.0 5.2 127 9 311.2 311.9 289.6 322.7 3.63 11 757 2497 14.0 7.0 63 7.0 9.7 124 9 310.9 312.5 293.4 336.6 8.33 12 754 2531 14.4 -2.6 31 17.0 5.6 122 9 311.7 312.5 290.3 325.0 4.19 13 733 2769 13.8 -7.2 23 21.0 3.8 105 8 313.6 314.2 289.8 323.4 3.04 14 726 2850 12.8 6.8 67 6.0 9.1 99 8 313.4 315.0 294.3 340.0 8.57 15 700 3155 10.6 6.4 75 4.2 8.0 80 8 314.2 315.9 294.6 341.2 8.65 16 696 3203 10.2 6.6 78 3.6 8.0 79 8 314.3 316.0 294.7 341.8 8.82 17 652 3743 7.0 -3.0 49 10.0 1.9 68 7 316.6 317.5 292.2 331.7 4.70 18 625 4090 4.8 0.6 74 4.2 2.5 81 10 317.9 319.2 293.9 338.4 6.41 19 613 4248 6.0 -5.0 45 11.0 0.5 87 11 321.1 321.9 293.1 335.1 4.30 20 595 4493 5.8 -28.2 7 34.0 -4.6 96 12 323.6 323.7 290.5 325.9 0.63 21 589 4576 5.6 -27.4 7 33.0 -4.7 99 13 324.3 324.4 290.8 326.8 0.68 22 500 5890 -5.3 -19.3 32 14.0 -10.1 100 10 326.6 326.9 292.3 332.3 1.66 23 483 6160 -7.5 -20.5 35 13.0 -11.8 100 10 327.1 327.4 292.4 332.5 1.55 24 477 6258 -5.9 -41.9 4 36.0 -13.1 99 11 330.3 330.3 292.0 331.0 0.20 25 415 7331 -13.7 -50.7 3 37.0 -19.0 92 24 333.7 333.7 292.8 334.0 0.09 26 400 7610 -15.3 -35.3 16 20.0 -19.4 90 28 335.1 335.2 293.6 336.9 0.47 27 386 7878 -17.5 -38.5 14 21.0 -21.3 86 27 335.6 335.7 293.6 337.0 0.36 28 375 8094 -19.5 -26.5 54 7.0 -21.2 82 27 335.8 336.0 294.3 340.1 1.17 29 368 8234 -19.5 -48.5 6 29.0 -23.4 80 27 337.6 337.6 293.9 338.1 0.13 30 359 8417 -20.1 -52.1 4 32.0 -23.9 77 28 339.2 339.2 294.2 339.6 0.09 31 336 8904 -24.5 -41.5 19 17.0 -27.0 69 28 339.7 339.7 294.5 340.8 0.30 32 330 9035 -25.1 -60.1 2 35.0 -28.0 67 28 340.6 340.6 294.5 340.7 0.04 33 304 9626 -29.5 -53.5 8 24.0 -31.6 77 30 342.5 342.5 295.0 342.9 0.09 34 300 9720 -30.3 -49.3 14 19.0 -32.1 80 30 342.7 342.7 295.1 343.3 0.14 35 286 10058 -33.3 -41.3 45 8.0 -34.3 75 25 343.1 343.2 295.4 344.5 0.36 36 269 10485 -36.7 -44.7 43 8.0 -37.5 68 18 344.2 344.3 295.6 345.3 0.27 37 256 10827 -38.1 -63.1 6 25.0 -39.3 84 14 347.1 347.1 296.0 347.2 0.03 38 250 10990 -39.1 -62.1 7 23.0 -40.2 105 12 347.9 347.9 296.2 348.1 0.04 39 210 12154 -49.7 -62.7 20 13.0 -50.1 100 17 349.2 349.2 296.5 349.3 0.04 40 200 12470 -52.7 -57.4 57 4.7 -52.8 110 22 349.3 349.3 296.5 349.7 0.08 41 197 12568 -53.7 -57.8 61 4.1 -53.8 111 21 349.2 349.3 296.5 349.6 0.08 42 191 12766 -55.3 -64.3 32 9.0 -55.5 113 20 349.8 349.8 296.6 349.9 0.04 43 189 12833 -55.9 -58.0 77 2.1 -55.9 114 20 349.9 349.9 296.7 350.2 0.08 44 185 12970 -56.7 -64.7 36 8.0 -56.9 116 19 350.7 350.7 296.8 350.9 0.03 45 181 13108 -58.1 -61.1 68 3.0 -58.2 118 18 350.6 350.6 296.8 350.9 0.06 46 174 13356 -59.7 -71.7 20 12.0 -59.9 120 16 352.0 352.0 297.1 352.0 0.01 47 167 13612 -62.1 -73.1 22 11.0 -62.2 124 15 352.1 352.1 297.1 352.2 0.01 48 150 14270 -66.7 -76.7 23 10.0 -66.8 130 18 355.2 355.2 297.7 355.2 0.01 49 145 14474 -67.3 -79.3 17 12.0 -67.4 133 19 357.6 357.6 298.2 357.6 0.01 50 116 15782 -77.3 -86.3 22 9.0 -77.3 134 15 362.7 362.7 299.2 362.7 0.00 51 100 16620 -82.5 -89.5 29 7.0 -82.5 110 9 368.3 368.3 300.2 368.3 0.00 52 81 17776 -89.7 -93.9 44 4.2 -89.7 80 13 376.4 376.4 301.6 376.4 0.00 53 74 18271 -83.7 -90.7 28 7.0 -83.7 90 19 398.9 398.9 305.0 398.9 0.00 54 70 18580 -83.1 -91.1 24 8.0 -83.1 125 26 406.6 406.6 306.1 406.6 0.00 55 66 18913 -76.7 -87.7 16 11.0 -76.7 114 24 427.4 427.4 308.6 427.4 0.00 56 56 19866 -73.3 -90.3 6 17.0 -73.4 83 18 455.7 455.7 311.4 455.8 0.00 57 53 20191 -69.3 -91.3 3 22.0 -69.5 74 16 472.2 472.2 312.8 472.3 0.00 58 50 20540 -68.1 -91.1 2 23.0 -68.3 65 15 483.0 483.0 313.7 483.0 0.00 59 31 23448 -62.3 -90.3 1 28.0 -63.0 75 38 569.4 569.4 319.1 569.5 0.00 60 30 23650 -63.3 -90.3 1 27.0 -63.9 70 41 572.1 572.1 319.3 572.1 0.00 61 29 23858 -63.5 -90.5 1 27.0 -64.1 70 42 577.1 577.1 319.5 577.1 0.00 62 27 24299 -61.9 -89.9 1 28.0 -62.7 70 43 593.5 593.5 320.3 593.5 0.00 63 24 25040 -54.5 -86.5 1 32.0 -56.5 74 45 635.3 635.3 322.1 635.4 0.01 TRP 81 17776 -89.7 -93.9 44 4.2 -89.7 80 13 376.4 376.4 301.6 376.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 543.28 mb = 5250.87 m = 17227.07 ft Wetbulb zero: 611.28 mb = 4271.46 m = 14013.80 ft Precipitable water: 1.52 inches Sfc-500 mean rel hum: 49.44 % Est. max temperature: 31.47 C = 88.64 F Sfc-Lift cond lev (LCL): 982.01 mb = 259.26 m = 850.58 ft T: 24.20 C 700-500 lapse rate: 5.81 C/km ThetaE index: 20.75 C Layer 800.0- 788.0 mb Conv cond level (CCL): 727.75 mb = 2829.56 m = 9283.23 ft Mean mixing ratio: 13.09 g/kg Conv temperature: 41.26 C = 106.27 F Cap Strength: 5.79 C Lifted Index: 2.30 C Risk: None Lifted Index @300 mb: 4.95 C Lifted Index @700 mb: 3.55 C Showalter Index: 2.88 C Risk: Showers probable Total Totals Index: 40.40 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 18.10 C K Index: 30.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 177.60 Risk: None Energy Index: -0.74 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.36 J/kg Max Up Vert Vel: 7.40 m/s Conv Inhibition (B-): 19587.52 J/kg Cap Strength: 5.65 C Lift Cond Lev (LCL): 882.76 mb = 1186.52 m = 3892.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 126 at 6 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 0 0 -0.0 -0.0 | 306 6 4.8 -3.5 1 1000 100 0 0 -0.0 -0.0 | 306 6 4.8 -3.5 2 977 305 355 1 0.1 -1.0 | 312 7 4.9 -4.5 3 943 610 315 2 1.4 -1.4 | 308 8 6.3 -4.9 4 925 783 310 1 0.8 -0.6 | 307 7 5.6 -4.1 5 911 914 65 2 -1.8 -0.8 | 325 5 3.0 -4.4 6 850 1513 100 7 -6.9 1.2 | 42 3 -2.1 -2.3 7 849 1524 100 7 -6.9 1.2 | 42 3 -2.1 -2.3 8 790 2134 150 9 -4.5 7.8 | 184 4 0.3 4.3 9 709 3048 85 8 -8.0 -0.7 | 37 5 -3.1 -4.2 10 700 3155 80 8 -7.9 -1.4 | 32 6 -3.0 -4.9 11 658 3658 65 7 -6.3 -3.0 | 13 7 -1.5 -6.5 12 588 4572 100 13 -12.8 2.3 | 81 8 -8.0 -1.2 13 566 4877 95 15 -14.9 1.3 | 78 10 -10.1 -2.2 14 525 5486 80 10 -9.8 -1.7 | 44 7 -5.0 -5.2 15 500 5890 100 10 -9.8 1.7 | 71 5 -5.0 -1.8 16 487 6096 100 9 -8.9 1.6 | 64 4 -4.0 -1.9 17 400 7610 90 28 -28.0 0.0 | 81 23 -23.2 -3.5 18 399 7620 90 27 -27.0 0.0 | 81 22 -22.2 -3.5 19 325 9144 65 28 -25.4 -11.8 | 53 26 -20.5 -15.3 20 300 9720 80 30 -29.5 -5.2 | 71 26 -24.7 -8.7 21 262 10668 65 15 -13.6 -6.3 | 42 13 -8.8 -9.8 22 250 10990 105 12 -11.6 3.1 | 87 7 -6.8 -0.4 23 209 12192 100 17 -16.7 3.0 | 87 12 -11.9 -0.6 24 200 12470 110 22 -20.7 7.5 | 104 16 -15.8 4.0 25 164 13716 125 14 -11.5 8.0 | 124 8 -6.6 4.5 26 150 14270 130 18 -13.8 11.6 | 132 12 -9.0 8.1 27 127 15240 145 21 -12.0 17.2 | 152 15 -7.2 13.7 28 103 16459 120 8 -6.9 4.0 | 103 2 -2.1 0.5 29 100 16620 110 9 -8.5 3.1 | 83 4 -3.6 -0.4 30 81 17776 80 13 -12.8 -2.3 | 54 10 -8.0 -5.8 31 74 18288 90 19 -19.0 0.0 | 76 15 -14.2 -3.5 32 70 18580 125 26 -21.3 14.9 | 125 20 -16.5 11.4 33 57 19812 85 18 -17.9 -1.6 | 69 14 -13.1 -5.1 34 50 20540 65 15 -13.6 -6.3 | 42 13 -8.8 -9.8 35 44 21336 75 21 -20.3 -5.4 | 60 18 -15.4 -8.9 36 34 22860 90 31 -31.0 0.0 | 82 26 -26.2 -3.5 37 30 23650 70 41 -38.5 -14.0 | 63 38 -33.7 -17.5 38 25 24384 70 45 -42.3 -15.4 | 63 42 -37.5 -18.9 39 20 25298 95 47 -46.8 4.1 | 91 42 -42.0 0.6 Wind Parameters Mean winds (0-6000m): 95.9 at 8.0 knts Storm direction: 125.9 at 6.0 knts Shear (0-3000m) pos: 1.8 neg: 1.4 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 94.5 deg Storm rel helicity (0-3000m) pos: 14.1 neg: -8.2 tot: 5.9 m^2/s^2 ave: 2.0 10^-3 m/s^2 rel: 0.20 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.02 Bulk Shear: 9.06 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 ------------------------------------------------------------------------------- 500 343 1 310 7| 0.0 1.7 1.7| 1.2 -0.4 0.8 1.6 0.27| 1.9 0.5 1000 349 1 313 7| 1.8 0.9 2.6| 5.6 -1.4 4.2 4.2 0.42| 3.4 1.4 1500 74 2 329 5| 2.8 0.6 3.3| 10.2 -1.4 8.8 5.9 0.63| 4.0 2.5 2000 103 4 337 3| 2.6 0.4 3.1| 13.3 -1.4 11.9 5.9 0.72| 4.4 3.2 2500 119 5 331 1| 2.1 0.7 2.8| 14.1 -4.1 10.0 4.0 0.45| 4.6 2.0 3000 116 5 2 1| 1.8 1.4 3.2| 14.1 -8.2 5.9 2.0 0.20| 4.7 0.9 4000 100 6 24 3| 1.6 1.3 2.9| 19.0 -12.3 6.7 1.7 0.17| 4.3 0.7 5000 98 7 45 3| 1.8 1.2 3.0| 29.6 -16.3 13.3 2.7 0.22| 4.3 1.0 6000 96 8 49 4| 1.6 1.2 2.8| 34.1 -25.3 8.8 1.5 0.16| 4.3 0.7 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20251202.00.gif