UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060712.upa.cvt Date: 1200Z 7 JUN 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:1200Z 7 JUN 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 1006 4 30.0 28.0 89 2.0 28.5 220 4 302.6 307.1 301.4 375.1 24.27 1 1000 54 29.4 25.1 78 4.3 26.2 220 5 302.5 306.3 299.3 363.3 20.46 2 954 474 25.4 24.0 92 1.4 24.4 212 5 302.6 306.3 299.1 362.1 20.06 3 925 746 23.8 21.6 88 2.2 22.2 210 5 303.6 306.9 298.0 356.7 17.83 4 895 1034 22.0 19.6 86 2.4 20.3 212 5 304.7 307.7 297.3 353.2 16.25 5 861 1371 21.4 11.4 53 10.0 14.9 218 7 307.4 309.3 293.7 337.3 9.88 6 850 1483 20.8 11.8 56 9.0 15.0 220 7 307.9 309.9 294.1 339.1 10.28 7 849 1493 20.8 11.8 56 9.0 14.9 220 7 308.0 310.0 294.1 339.3 10.30 8 836 1627 19.6 15.0 75 4.6 16.5 219 7 308.1 310.6 296.0 347.3 12.94 9 776 2266 15.8 12.0 78 3.8 13.3 214 4 310.7 312.8 295.7 345.7 11.43 10 754 2510 14.8 9.8 72 5.0 11.6 213 3 312.2 314.1 295.1 343.4 10.14 11 738 2692 14.4 6.4 59 8.0 9.5 212 2 313.7 315.2 294.1 339.2 8.20 12 700 3138 11.6 5.6 67 6.0 8.0 0 0 315.3 316.9 294.6 341.0 8.18 13 675 3441 10.0 7.3 83 2.7 8.3 317 1 316.8 318.7 295.9 346.9 9.56 14 660 3628 9.8 1.8 57 8.0 5.2 291 2 318.7 319.9 294.3 339.8 6.62 15 616 4197 6.0 4.0 87 2.0 4.8 328 1 320.6 322.3 296.0 347.2 8.31 16 590 4549 4.6 -2.4 60 7.0 0.9 357 0 323.0 324.1 294.5 340.8 5.44 17 552 5089 2.0 -4.0 64 6.0 -1.1 82 3 326.1 327.1 295.1 343.2 5.16 18 529 5431 -0.7 -4.0 78 3.3 -2.4 51 6 326.9 327.9 295.4 344.7 5.39 19 500 5880 -3.1 -7.5 72 4.4 -5.2 20 6 329.3 330.1 295.3 343.9 4.36 20 485 6120 -4.9 -9.9 68 5.0 -7.1 329.9 330.7 294.9 342.6 3.72 21 464 6466 -7.7 -9.2 89 1.5 -8.4 330.6 331.5 295.4 344.6 4.11 22 451 6687 -8.3 -13.2 68 4.9 -10.3 332.6 333.2 295.1 343.2 3.07 23 443 6825 -8.9 -12.2 77 3.3 -10.3 333.5 334.2 295.6 345.2 3.39 TRP WND Sounding variables and indices 1000-500 mb thick: 5826.00 m Freezing level: 534.96 mb = 5342.66 m = 17528.19 ft Wetbulb zero: 572.86 mb = 4788.50 m = 15710.12 ft Precipitable water: 2.28 inches Sfc-500 mean rel hum: 73.02 % Est. max temperature: 35.04 C = 95.07 F Sfc-Lift cond lev (LCL): 977.96 mb = 252.55 m = 828.58 ft T: 27.51 C 700-500 lapse rate: 5.36 C/km ThetaE index: 37.72 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 905.43 mb = 932.94 m = 3060.78 ft Mean mixing ratio: 19.41 g/kg Conv temperature: 31.68 C = 89.02 F Cap Strength: 0.81 C Lifted Index: -3.71 C Risk: Severe thunderstorms possible Lifted Index @700 mb: -1.72 C Showalter Index: 4.09 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 14.90 C K Index: 29.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 161.60 Risk: None Energy Index: 0.97 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 431.49 J/kg Max Up Vert Vel: 29.38 m/s Conv Inhibition (B-): 13.61 J/kg Cap Strength: 0.73 C Lift Cond Lev (LCL): 922.82 mb = 766.68 m = 2515.31 ft Lev Free Conv (LFC): 827.82 mb = 1711.14 m = 5613.91 ft Wind level data Storm motion: 249 at 3 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 1006 4 220 4 2.6 3.1 | 183 2 0.1 2.1 1 1000 54 220 5 3.2 3.8 | 194 3 0.7 2.9 2 972 305 215 6 3.4 4.9 | 194 4 1.0 4.0 3 939 610 210 5 2.5 4.3 | 180 3 0.0 3.4 4 925 746 210 5 2.5 4.3 | 180 3 0.0 3.4 5 907 914 210 5 2.5 4.3 | 180 3 0.0 3.4 6 850 1483 220 7 4.5 5.4 | 205 5 2.0 4.4 7 846 1524 220 7 4.5 5.4 | 205 5 2.0 4.4 8 788 2134 215 4 2.3 3.3 | 176 2 -0.2 2.3 9 707 3048 210 1 0.5 0.9 | 87 2 -2.0 -0.1 10 700 3138 0 0 -0.0 -0.0 | 69 3 -2.5 -1.0 11 657 3658 285 2 1.9 -0.5 | 20 2 -0.5 -1.5 12 587 4572 0 0 -0.0 -0.0 | 69 3 -2.5 -1.0 13 566 4877 100 2 -2.0 0.3 | 82 4 -4.4 -0.6 14 525 5486 45 6 -4.2 -4.2 | 52 8 -6.7 -5.2 15 500 5880 20 6 -2.1 -5.6 | 34 8 -4.5 -6.6 16 486 6096 25 5 -2.1 -4.5 | 40 7 -4.6 -5.5 Wind Parameters Mean winds (0-6000m): 218.8 at 3.5 knts Storm direction: 248.8 at 2.7 knts Shear (0-3000m) pos: 0.3 neg: 0.8 tot: 1.1 10-3/s Storm rel Dir Shear (0-3000m): -91.8 deg Storm rel helicity (0-3000m) pos: 2.2 neg: -3.6 tot: -1.4 m^2/s^2 ave: -0.5 10^-3 m/s^2 rel: -0.26 Storm rel vorticity (0-3000m) horiz: 2.0 stream: -0.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 869.49 Bulk Shear: 0.50 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 ------------------------------------------------------------------------------- 500 216 5 192 4| 0.0 1.5 1.5| 0.4 -0.6 -0.3 -0.5 -0.02| 2.9 -0.1 1000 213 5 187 3| 0.0 0.8 0.8| 0.6 -0.9 -0.3 -0.3 -0.02| 1.8 -0.0 1500 215 6 191 4| 0.7 0.5 1.2| 2.2 -0.9 1.3 0.9 0.25| 1.9 0.5 2000 216 6 193 4| 0.5 0.4 0.9| 2.2 -2.1 0.1 0.0 0.01| 2.0 0.0 2500 216 5 190 3| 0.4 0.7 1.0| 2.2 -2.9 -0.7 -0.3 -0.14| 2.0 -0.3 3000 215 5 185 3| 0.3 0.8 1.1| 2.2 -3.6 -1.4 -0.5 -0.26| 2.0 -0.5 4000 220 4 178 2| 0.3 0.6 0.9| 2.6 -5.3 -2.7 -0.7 -0.31| 2.0 -0.6 5000 219 3 163 2| 0.2 0.5 0.7| 4.9 -5.7 -0.8 -0.2 -0.14| 2.1 -0.3 6000 219 4 172 2| 0.1 0.7 0.9| 5.6 -17.6 -12.0 -2.0 -0.30| 2.4 -0.7 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250607.12.gif