UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120600.upa.cvt Date: 0000Z 6 DEC 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 6 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 1013 4 24.4 22.5 89 1.9 23.0 60 7 296.5 299.6 295.7 346.0 17.18 1 1000 119 24.0 20.0 78 4.0 21.2 40 14 297.1 299.8 294.4 340.2 14.88 2 955 522 22.0 18.9 83 3.1 19.8 52 15 299.1 301.7 294.7 341.4 14.54 3 943 632 22.8 18.4 76 4.4 19.8 55 15 301.0 303.6 295.0 342.9 14.26 4 925 800 21.6 17.5 78 4.1 18.8 55 15 301.4 303.9 294.7 341.8 13.73 5 875 1280 18.0 16.5 91 1.5 17.0 61 13 302.5 305.0 295.0 342.8 13.62 6 850 1529 17.2 14.4 84 2.8 15.3 65 13 304.2 306.4 294.4 340.6 12.23 7 824 1794 15.6 12.5 82 3.1 13.6 58 11 305.2 307.3 293.9 338.5 11.12 8 811 1930 16.4 9.4 63 7.0 12.0 55 10 307.4 309.1 293.1 335.2 9.17 9 737 2738 10.6 5.6 71 5.0 7.6 40 7 309.6 311.1 292.6 333.4 7.76 10 724 2887 12.2 -2.8 35 15.0 4.5 38 6 313.0 313.8 290.7 326.6 4.30 11 702 3145 10.2 1.2 54 9.0 5.2 35 6 313.5 314.7 292.3 332.2 5.95 12 700 3169 10.0 1.0 54 9.0 5.1 35 6 313.6 314.7 292.3 332.1 5.89 13 588 4598 3.0 -30.0 7 33.0 -6.3 90 9 321.4 321.5 289.8 323.4 0.54 14 570 4849 1.8 -17.2 23 19.0 -5.4 77 5 322.9 323.2 291.4 328.9 1.74 15 562 4963 1.2 -6.8 55 8.0 -2.6 68 4 323.5 324.3 293.6 337.0 4.09 16 500 5890 -6.3 -9.6 77 3.3 -7.8 110 1 325.4 326.1 293.7 337.7 3.69 17 479 6226 -8.5 -10.9 83 2.4 -9.5 126 2 326.7 327.4 293.9 338.4 3.48 18 461 6523 -9.1 -13.7 69 4.6 -10.9 106 3 329.5 330.1 294.1 339.4 2.88 19 443 6833 -8.9 -24.9 26 16.0 -13.7 85 4 333.5 333.8 293.7 337.7 1.14 20 419 7264 -11.1 -30.1 19 19.0 -16.0 55 5 336.1 336.2 294.0 338.9 0.75 21 414 7357 -11.7 -27.7 25 16.0 -16.1 48 5 336.5 336.6 294.3 340.0 0.95 22 400 7620 -13.7 -27.7 30 14.0 -17.4 30 6 337.2 337.4 294.5 340.8 0.98 23 365 8306 -19.9 -31.9 34 12.0 -22.5 77 4 337.9 338.0 294.4 340.6 0.72 24 342 8785 -22.7 -43.7 13 21.0 -25.7 107 3 340.4 340.4 294.6 341.3 0.23 25 300 9730 -30.5 -47.5 17 17.0 -32.3 160 2 342.4 342.4 295.1 343.1 0.17 26 258 10784 -38.7 -51.7 24 13.0 -39.6 104 3 345.4 345.4 295.7 345.9 0.13 27 250 11000 -40.5 -51.5 30 11.0 -41.2 180 3 345.9 345.9 295.8 346.4 0.13 28 212 12094 -50.5 -54.9 60 4.4 -50.7 180 5 347.0 347.0 296.1 347.4 0.10 29 208 12217 -51.1 -61.1 29 10.0 -51.4 179 5 347.9 347.9 296.2 348.1 0.05 30 200 12470 -52.9 -58.9 48 6.0 -53.1 170 10 349.0 349.0 296.5 349.3 0.07 31 188 12865 -56.7 -59.1 74 2.4 -56.8 162 12 349.1 349.1 296.5 349.4 0.07 32 159 13906 -64.9 -73.9 28 9.0 -65.0 153 15 352.4 352.4 297.1 352.4 0.01 33 156 14022 -65.9 -72.9 37 7.0 -66.0 159 14 352.6 352.6 297.2 352.6 0.01 34 154 14100 -66.3 -75.3 27 9.0 -66.4 162 13 353.2 353.2 297.3 353.2 0.01 35 150 14260 -65.7 -83.7 6 18.0 -65.8 170 12 356.9 356.9 298.1 356.9 0.00 36 149 14301 -65.9 -83.9 6 18.0 -66.0 173 12 357.2 357.2 298.1 357.3 0.00 37 100 16610 -84.1 -88.9 42 4.8 -84.1 115 20 365.2 365.2 299.7 365.2 0.00 38 83 17629 -88.3 -93.3 39 5.0 -88.3 135 17 376.7 376.7 301.7 376.7 0.00 39 77 18040 -83.5 -90.5 28 7.0 -83.5 122 19 394.8 394.8 304.5 394.8 0.00 40 70 18570 -82.9 -90.9 24 8.0 -82.9 110 24 407.0 407.0 306.1 407.0 0.00 41 65 18989 -75.3 -88.3 11 13.0 -75.3 96 20 432.4 432.4 309.1 432.4 0.00 42 59 19556 -69.5 -90.5 3 21.0 -69.6 78 14 457.5 457.5 311.5 457.5 0.00 43 56 19865 -70.7 -89.7 4 19.0 -70.8 70 12 461.7 461.7 311.9 461.7 0.00 44 52 20305 -67.7 -90.7 2 23.0 -67.9 70 15 478.6 478.6 313.3 478.6 0.00 45 50 20540 -68.5 -90.5 3 22.0 -68.7 70 16 482.1 482.1 313.6 482.1 0.00 46 48 20784 -68.9 -90.9 3 22.0 -69.1 74 18 486.8 486.8 314.0 486.8 0.00 47 36 22526 -64.1 -91.1 1 27.0 -64.6 90 24 540.9 540.9 317.6 541.0 0.00 TRP 83 17629 -88.3 -93.3 39 5.0 -88.3 135 17 376.7 376.7 301.7 376.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5771.00 m Freezing level: 552.08 mb = 5111.29 m = 16769.13 ft Wetbulb zero: 650.16 mb = 3774.47 m = 12383.28 ft Precipitable water: 1.77 inches Sfc-500 mean rel hum: 58.22 % Est. max temperature: 31.26 C = 88.26 F Sfc-Lift cond lev (LCL): 985.71 mb = 244.86 m = 803.35 ft T: 23.37 C 700-500 lapse rate: 5.99 C/km ThetaE index: 16.19 C Layer 850.0- 702.0 mb Conv cond level (CCL): 847.77 mb = 1551.46 m = 5090.04 ft Mean mixing ratio: 14.58 g/kg Conv temperature: 32.23 C = 90.01 F Cap Strength: 2.69 C Lifted Index: -0.23 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.56 C Lifted Index @700 mb: 1.78 C Showalter Index: 0.24 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 20.70 C K Index: 28.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 199.80 Risk: None Energy Index: -0.58 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.61 J/kg Max Up Vert Vel: 7.43 m/s Conv Inhibition (B-): 294.65 J/kg Cap Strength: 2.57 C Lift Cond Lev (LCL): 912.05 mb = 921.87 m = 3024.47 ft Lev Free Conv (LFC): 497.05 mb = 5936.26 m = 19475.69 ft Equ Level (EL): 467.05 mb = 6422.05 m = 21069.47 ft B at Equ Level: 25.32 J/kg Max Parcel Lev (MPL): 437.05 mb = 6937.63 m = 22760.98 ft Wind level data Storm motion: 85 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 1013 4 60 7 -6.1 -3.5 | 357 3 0.2 -3.0 1 1000 119 40 14 -9.0 -10.7 | 15 11 -2.8 -10.2 2 979 305 45 15 -10.6 -10.6 | 24 11 -4.4 -10.1 3 945 610 55 15 -12.3 -8.6 | 37 10 -6.1 -8.1 4 925 800 55 15 -12.3 -8.6 | 37 10 -6.1 -8.1 5 913 914 55 14 -11.5 -8.0 | 35 9 -5.3 -7.5 6 850 1524 65 13 -11.8 -5.5 | 48 7 -5.6 -5.0 7 850 1529 65 13 -11.8 -5.5 | 48 7 -5.6 -5.0 8 791 2134 50 8 -6.1 -5.1 | 359 5 0.1 -4.6 9 710 3048 35 6 -3.4 -4.9 | 328 5 2.8 -4.4 10 700 3169 35 6 -3.4 -4.9 | 328 5 2.8 -4.4 11 659 3658 40 8 -5.1 -6.1 | 349 6 1.1 -5.6 12 589 4572 90 9 -9.0 0.0 | 101 3 -2.8 0.5 13 567 4877 75 4 -3.9 -1.0 | 282 2 2.4 -0.5 14 526 5486 15 2 -0.5 -1.9 | 284 6 5.7 -1.4 15 500 5890 110 1 -0.9 0.3 | 261 5 5.3 0.9 16 487 6096 135 2 -1.4 1.4 | 248 5 4.8 1.9 17 400 7620 30 6 -3.0 -5.2 | 325 6 3.2 -4.7 18 400 7620 35 5 -2.9 -4.1 | 317 5 3.3 -3.6 19 325 9144 130 3 -2.3 1.9 | 238 5 3.9 2.5 20 300 9730 160 2 -0.7 1.9 | 246 6 5.5 2.4 21 262 10668 65 3 -2.7 -1.3 | 282 4 3.5 -0.7 22 250 11000 180 3 0.0 3.0 | 240 7 6.2 3.5 23 209 12192 180 5 0.0 5.0 | 228 8 6.2 5.5 24 200 12470 170 10 -1.7 9.8 | 203 11 4.5 10.4 25 164 13716 145 16 -9.2 13.1 | 168 14 -3.0 13.6 26 150 14260 170 12 -2.1 11.8 | 198 13 4.1 12.4 27 127 15240 240 10 8.7 5.0 | 250 16 14.9 5.5 28 103 16459 110 11 -10.3 3.8 | 136 6 -4.1 4.3 29 100 16610 115 20 -18.1 8.5 | 127 15 -11.9 9.0 30 83 17629 135 17 -12.0 12.0 | 155 14 -5.8 12.6 31 74 18288 115 20 -18.1 8.5 | 127 15 -11.9 9.0 32 70 18570 110 24 -22.6 8.2 | 118 19 -16.3 8.7 33 57 19812 70 12 -11.3 -4.1 | 55 6 -5.1 -3.6 34 50 20540 70 16 -15.0 -5.5 | 61 10 -8.8 -4.9 35 42 21336 85 24 -23.9 -2.1 | 85 18 -17.7 -1.6 36 30 22860 95 23 -22.9 2.0 | 99 17 -16.7 2.5 Wind Parameters Mean winds (0-6000m): 55.1 at 8.3 knts Storm direction: 85.1 at 6.2 knts Shear (0-3000m) pos: 0.6 neg: 1.0 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): -28.1 deg Storm rel helicity (0-3000m) pos: 17.1 neg: -11.4 tot: 5.7 m^2/s^2 ave: 1.9 10^-3 m/s^2 rel: 0.00 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 0.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 6.32 Bulk Shear: 4.37 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 46 14 22 10| 0.0 8.4 8.4| 10.8 0.0 10.8 21.5 0.47| 11.1 5.2 1000 50 14 29 10| 0.9 4.2 5.1| 13.7 -0.8 13.0 13.0 0.45| 6.7 3.0 1500 54 14 33 9| 1.3 2.8 4.1| 17.1 -0.8 16.4 10.9 0.49| 5.2 2.5 2000 55 13 33 8| 1.0 1.5 2.5| 17.1 -6.8 10.3 5.2 0.19| 5.1 0.9 2500 54 12 29 8| 0.8 1.1 1.9| 17.1 -9.6 7.5 3.0 0.07| 4.5 0.3 3000 53 11 24 7| 0.6 1.0 1.6| 17.1 -11.4 5.7 1.9 0.00| 4.0 0.0 4000 51 10 16 6| 0.7 0.7 1.5| 22.6 -11.6 11.0 2.7 0.14| 3.6 0.5 5000 55 10 19 5| 1.0 1.1 2.1| 26.1 -12.1 14.0 2.8 0.14| 4.0 0.5 6000 55 8 8 4| 1.1 1.1 2.1| 26.2 -16.7 9.5 1.6 0.04| 3.9 0.2 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20251206.00.gif