UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101400.upa.cvt Date: 0000Z 14 OCT 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 14 OCT 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 1008 4 25.0 23.3 90 1.7 23.8 0 0 297.5 300.8 296.7 350.1 18.15 1 1000 75 24.6 23.7 95 0.9 24.0 65 1 297.8 301.2 297.1 352.2 18.76 2 989 173 25.6 22.5 83 3.1 23.3 67 2 299.7 302.9 296.9 351.2 17.61 3 925 761 22.4 19.8 85 2.6 20.6 105 4 302.2 305.1 296.5 349.2 15.91 4 861 1383 19.0 14.8 77 4.2 16.2 163 4 304.9 307.2 294.8 341.9 12.39 5 850 1494 18.4 14.9 80 3.5 16.0 175 4 305.4 307.8 295.1 343.2 12.64 6 808 1928 15.4 15.1 98 0.3 15.2 178 5 306.7 309.2 296.0 347.2 13.48 7 700 3136 9.6 8.4 92 1.2 8.9 145 6 313.1 315.0 295.3 343.9 9.94 8 675 3437 7.6 7.0 96 0.6 7.2 145 7 314.2 315.9 295.1 343.3 9.36 9 602 4375 4.4 0.3 75 4.1 2.1 137 7 320.9 322.2 294.8 341.9 6.51 10 574 4761 1.2 -0.6 88 1.8 0.2 143 7 321.6 322.8 294.8 342.2 6.40 11 559 4973 0.0 -2.6 83 2.6 -1.4 154 6 322.6 323.7 294.6 341.0 5.66 12 509 5719 -3.9 -8.0 73 4.1 -5.8 186 4 326.6 327.4 294.4 340.4 4.12 13 501 5844 -4.1 -12.1 54 8.0 -7.5 190 4 327.9 328.5 293.9 338.1 3.02 14 500 5860 -4.1 -12.1 54 8.0 -7.5 190 4 328.0 328.6 293.9 338.3 3.02 15 441 6842 -10.9 -14.9 72 4.0 -12.5 222 6 331.4 332.0 294.6 340.9 2.73 16 436 6930 -11.1 -19.1 52 8.0 -13.8 225 7 332.3 332.7 294.1 339.1 1.94 17 433 6983 -11.1 -17.1 61 6.0 -13.3 227 7 332.9 333.4 294.6 341.0 2.31 18 400 7590 -15.3 -24.3 46 9.0 -17.9 250 9 335.1 335.4 294.3 339.9 1.34 19 394 7704 -15.9 -25.9 42 10.0 -18.6 241 9 335.8 336.0 294.3 340.1 1.18 20 380 7976 -17.9 -23.9 59 6.0 -19.6 211 8 336.6 336.9 294.8 341.9 1.46 21 378 8015 -17.9 -27.9 41 10.0 -20.4 207 8 337.1 337.3 294.6 340.9 1.02 22 362 8338 -19.5 -23.3 72 3.8 -20.6 171 7 339.2 339.5 295.6 345.1 1.62 23 355 8483 -20.1 -25.0 65 4.9 -21.4 155 7 340.3 340.6 295.6 345.5 1.42 24 340 8802 -22.7 -25.8 76 3.1 -23.5 120 6 341.0 341.3 295.7 346.0 1.37 25 324 9154 -24.5 -30.5 57 6.0 -25.8 80 5 343.2 343.4 295.9 346.8 0.93 26 300 9710 -29.1 -32.8 70 3.7 -29.8 50 6 344.4 344.5 296.1 347.5 0.81 27 258 10764 -37.5 -39.9 78 2.4 -37.8 48 17 347.2 347.3 296.4 349.0 0.46 28 250 10980 -39.3 -42.4 72 3.1 -39.6 55 16 347.6 347.7 296.4 349.1 0.37 29 235 11402 -42.7 -45.5 74 2.8 -42.9 62 17 348.7 348.8 296.6 349.8 0.28 30 222 11784 -46.1 -49.3 70 3.2 -46.3 68 17 349.2 349.2 296.6 350.0 0.19 31 220 11845 -46.7 -52.7 50 6.0 -47.0 69 17 349.2 349.2 296.5 349.7 0.13 32 202 12405 -52.1 -55.7 65 3.6 -52.2 67 20 349.3 349.3 296.5 349.7 0.10 33 200 12470 -52.5 -57.0 58 4.5 -52.7 65 20 349.6 349.6 296.6 350.0 0.09 34 178 13212 -59.5 -68.5 30 9.0 -59.6 68 21 350.0 350.0 296.7 350.1 0.02 35 171 13462 -61.7 -66.7 51 5.0 -61.8 69 22 350.4 350.4 296.7 350.5 0.03 36 160 13871 -65.7 -72.7 37 7.0 -65.8 73 21 350.4 350.4 296.7 350.4 0.01 37 150 14260 -69.1 -75.1 41 6.0 -69.1 80 17 351.1 351.1 296.8 351.1 0.01 38 139 14710 -72.3 -77.2 48 4.9 -72.3 55 16 353.2 353.2 297.3 353.2 0.01 39 132 15013 -72.9 -79.9 34 7.0 -72.9 39 15 357.3 357.3 298.2 357.4 0.01 40 119 15612 -77.9 -82.1 51 4.2 -77.9 45 18 358.9 358.9 298.5 358.9 0.00 41 118 15660 -78.1 -82.4 50 4.3 -78.1 48 19 359.4 359.4 298.6 359.4 0.00 42 100 16600 -79.7 -85.7 36 6.0 -79.7 100 31 373.7 373.7 301.2 373.8 0.00 43 95 16890 -81.3 -86.0 45 4.7 -81.3 105 29 376.1 376.1 301.6 376.1 0.00 44 70 18620 -78.7 -87.7 22 9.0 -78.7 45 14 416.0 416.0 307.2 416.0 0.00 45 62 19315 -77.9 -88.9 15 11.0 -77.9 60 25 432.5 432.5 309.1 432.5 0.00 46 57 19807 -69.7 -90.7 3 21.0 -69.8 70 32 461.6 461.6 311.9 461.6 0.00 47 50 20600 -64.1 -90.1 2 26.0 -64.4 90 37 492.4 492.4 314.4 492.4 0.00 48 47 20980 -62.7 -89.7 1 27.0 -63.1 82 37 504.6 504.6 315.2 504.6 0.00 49 30 23790 -56.5 -87.5 1 31.0 -57.9 90 51 590.6 590.6 320.2 590.6 0.01 50 29 24005 -56.5 -87.5 1 31.0 -57.9 90 51 596.4 596.4 320.5 596.4 0.01 TRP 95 16890 -81.3 -86.0 45 4.7 -81.3 105 29 376.1 376.1 301.6 376.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5785.00 m Freezing level: 559.00 mb = 4973.33 m = 16316.50 ft Wetbulb zero: 572.15 mb = 4786.57 m = 15703.77 ft Precipitable water: 2.39 inches Sfc-500 mean rel hum: 85.64 % Est. max temperature: 32.61 C = 90.69 F Sfc-Lift cond lev (LCL): 983.77 mb = 219.29 m = 719.44 ft T: 25.35 C 700-500 lapse rate: 5.03 C/km ThetaE index: 10.30 C Layer 989.0- 850.0 mb Conv cond level (CCL): 875.50 mb = 1238.28 m = 4062.55 ft Mean mixing ratio: 16.80 g/kg Conv temperature: 31.84 C = 89.32 F Cap Strength: 1.57 C Lifted Index: -1.19 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.82 C Lifted Index @700 mb: -1.03 C Showalter Index: 1.39 C Risk: Showers probable Total Totals Index: 41.50 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 19.00 C K Index: 36.20 Risk: > 80 % chance of thunderstorms Sweat Index: 190.80 Risk: None Energy Index: -0.98 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 445.40 J/kg Max Up Vert Vel: 29.85 m/s Conv Inhibition (B-): 33.15 J/kg Cap Strength: 1.57 C Lift Cond Lev (LCL): 921.54 mb = 793.52 m = 2603.40 ft Lev Free Conv (LFC): 826.54 mb = 1733.48 m = 5687.21 ft Equ Level (EL): 226.54 mb = 11648.31 m = 38215.76 ft B at Equ Level: 443.08 J/kg Max Parcel Lev (MPL): 106.54 mb = 16240.35 m = 53281.35 ft Wind level data Storm motion: 180 at 4 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 1008 4 0 0 -0.0 -0.0 | 360 4 0.0 -3.8 1 1000 75 65 1 -0.9 -0.4 | 12 4 -0.9 -4.2 2 974 305 70 3 -2.8 -1.0 | 30 6 -2.8 -4.8 3 941 610 100 4 -3.9 0.7 | 52 5 -3.9 -3.1 4 925 761 105 4 -3.9 1.0 | 55 5 -3.9 -2.7 5 909 914 115 3 -2.7 1.3 | 47 4 -2.7 -2.5 6 850 1494 175 4 -0.3 4.0 | 121 0 -0.3 0.2 7 847 1524 175 4 -0.3 4.0 | 121 0 -0.3 0.2 8 788 2134 180 5 0.0 5.0 | 180 1 0.0 1.2 9 707 3048 145 6 -3.4 4.9 | 108 4 -3.4 1.1 10 700 3136 145 6 -3.4 4.9 | 108 4 -3.4 1.1 11 656 3658 145 7 -4.0 5.7 | 116 4 -4.0 2.0 12 586 4572 135 7 -4.9 4.9 | 103 5 -4.9 1.2 13 565 4877 150 7 -3.5 6.1 | 123 4 -3.5 2.3 14 524 5486 180 3 0.0 3.0 | 360 1 0.0 -0.8 15 500 5860 190 4 0.7 3.9 | 257 1 0.7 0.2 16 485 6096 195 4 1.0 3.9 | 265 1 1.0 0.1 17 400 7590 250 9 8.5 3.1 | 275 8 8.5 -0.7 18 398 7620 250 9 8.5 3.1 | 275 8 8.5 -0.7 19 324 9144 80 5 -4.9 -0.9 | 47 7 -4.9 -4.6 20 300 9710 50 6 -4.6 -3.9 | 31 9 -4.6 -7.6 21 261 10668 45 17 -12.0 -12.0 | 37 20 -12.0 -15.8 22 250 10980 55 16 -13.1 -9.2 | 45 18 -13.1 -13.0 23 209 12192 75 18 -17.4 -4.7 | 64 19 -17.4 -8.4 24 200 12470 65 20 -18.1 -8.5 | 56 22 -18.1 -12.2 25 164 13716 70 22 -20.7 -7.5 | 61 24 -20.7 -11.3 26 150 14260 80 17 -16.7 -3.0 | 68 18 -16.7 -6.7 27 127 15240 25 14 -5.9 -12.7 | 20 17 -5.9 -16.5 28 102 16459 95 28 -27.9 2.4 | 87 28 -27.9 -1.3 29 100 16600 100 31 -30.5 5.4 | 93 31 -30.5 1.6 30 95 16890 105 29 -28.0 7.5 | 98 28 -28.0 3.7 31 74 18288 85 15 -14.9 -1.3 | 71 16 -14.9 -5.1 32 70 18620 45 14 -9.9 -9.9 | 36 17 -9.9 -13.7 33 57 19812 70 32 -30.1 -10.9 | 64 33 -30.1 -14.7 34 50 20600 90 37 -37.0 0.0 | 84 37 -37.0 -3.8 35 44 21336 75 37 -35.7 -9.6 | 70 38 -35.7 -13.4 36 35 22860 85 50 -49.8 -4.4 | 81 50 -49.8 -8.1 37 30 23790 90 51 -51.0 0.0 | 86 51 -51.0 -3.8 38 28 24079 90 50 -50.0 0.0 | 86 50 -50.0 -3.8 Wind Parameters Mean winds (0-6000m): 150.0 at 5.0 knts Storm direction: 180.0 at 3.8 knts Shear (0-3000m) pos: 0.8 neg: 0.5 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 110.2 deg Storm rel helicity (0-3000m) pos: 7.0 neg: -1.8 tot: 5.2 m^2/s^2 ave: 1.7 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 2.5 stream: 0.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 137.50 Bulk Shear: 3.24 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 75 2 27 5| 3.8 0.0 3.8| 4.7 0.0 4.7 9.5 0.85| 4.4 3.8 1000 94 3 40 5| 1.6 0.0 1.6| 6.2 -0.4 5.7 5.7 0.63| 3.6 2.3 1500 115 3 50 4| 1.4 0.0 1.4| 6.9 -0.4 6.5 4.3 0.58| 3.5 2.1 2000 137 3 63 3| 1.2 0.0 1.2| 7.0 -0.4 6.6 3.3 0.59| 2.9 1.7 2500 149 4 76 2| 1.0 0.3 1.3| 7.0 -0.9 6.1 2.5 0.44| 2.6 1.1 3000 151 4 85 2| 0.8 0.5 1.4| 7.0 -1.8 5.2 1.7 0.29| 2.5 0.7 4000 148 5 96 3| 0.6 0.6 1.2| 7.5 -2.3 5.2 1.3 0.27| 2.1 0.6 5000 146 5 101 3| 0.6 0.5 1.1| 9.6 -3.0 6.5 1.3 0.28| 2.0 0.6 6000 150 5 103 3| 0.6 0.4 1.0| 9.7 -3.3 6.3 1.1 0.14| 2.1 0.3 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20251014.00.gif