UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051200.upa.cvt Date: 0000Z 12 MAY 25 Searching for VT453... Searching the city database file for: VT453 ... Date:0000Z 12 MAY 25 Station: VT453 WMO ident: 48453 Latitude: 13.67 Longitude: 100.61 ------------------------------------------------------------------------------- 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 1004 20 26.2 24.1 88 2.1 24.7 70 2 299.0 302.5 297.7 355.0 19.15 1 1000 55 26.2 24.9 93 1.3 25.3 75 2 299.4 303.0 298.4 358.5 20.21 2 925 742 23.0 21.9 94 1.1 22.2 75 5 302.8 306.2 298.0 356.7 18.17 3 850 1476 18.8 18.1 96 0.7 18.3 60 6 305.8 308.7 297.2 352.5 15.56 4 757 2466 14.2 11.3 83 2.9 12.3 76 8 311.2 313.3 295.6 345.5 11.19 5 756 2477 14.4 11.4 82 3.0 12.4 77 8 311.5 313.6 295.8 346.1 11.28 6 720 2888 10.8 10.1 95 0.7 10.3 97 9 311.9 314.0 295.6 345.3 10.85 7 718 2912 11.6 9.7 88 1.9 10.4 98 9 313.0 315.1 295.7 345.8 10.59 8 700 3124 9.8 9.8 100 0.0 9.8 100 11 313.3 315.4 296.0 347.2 10.94 9 657 3650 8.4 3.4 71 5.0 5.5 90 11 317.5 318.9 294.6 341.1 7.46 10 631 3983 6.4 2.9 78 3.5 4.4 71 10 318.9 320.4 295.0 342.8 7.50 11 612 4234 5.4 -3.6 52 9.0 0.8 56 10 320.5 321.5 293.3 336.1 4.79 12 608 4287 5.0 0.0 70 5.0 2.2 53 10 320.7 321.9 294.6 341.0 6.31 13 583 4630 3.8 -8.2 41 12.0 -1.8 36 9 323.2 323.9 293.0 334.9 3.53 14 570 4812 2.0 -2.0 75 4.0 -0.2 39 8 323.1 324.3 294.8 342.1 5.81 15 556 5013 1.2 -12.8 34 14.0 -4.7 43 8 324.5 325.0 292.6 333.2 2.57 16 512 5672 -3.3 -13.3 46 10.0 -7.4 65 9 326.8 327.3 293.3 335.9 2.68 17 500 5860 -3.7 -13.7 46 10.0 -7.8 75 10 328.5 329.1 293.7 337.6 2.65 18 483 6133 -4.7 -12.7 54 8.0 -8.1 68 10 330.6 331.2 294.5 340.8 2.98 19 463 6464 -6.9 -11.0 73 4.1 -8.7 43 8 331.8 332.6 295.3 344.1 3.57 20 443 6808 -9.3 -18.3 48 9.0 -12.5 18 7 333.0 333.4 294.4 340.2 2.04 21 441 6843 -9.5 -13.0 76 3.5 -10.9 16 7 333.2 333.9 295.3 344.2 3.19 22 425 7127 -11.3 -21.3 43 10.0 -14.6 355 5 334.5 334.8 294.4 340.3 1.64 23 417 7273 -12.3 -14.3 85 2.0 -13.1 344 5 335.0 335.6 295.6 345.6 3.03 24 400 7590 -14.3 -14.6 98 0.3 -14.4 320 3 336.4 337.0 296.0 347.2 3.08 25 393 7724 -15.3 -15.3 100 0.0 -15.3 327 3 336.8 337.4 296.0 347.2 2.96 26 386 7859 -15.3 -19.9 68 4.6 -16.9 317 3 338.5 339.0 295.7 345.9 2.04 27 365 8280 -18.1 -20.1 84 2.0 -18.7 284 3 340.3 340.7 296.2 347.9 2.12 28 361 8362 -17.9 -22.5 67 4.6 -19.3 278 3 341.6 342.0 296.2 348.0 1.74 29 325 9139 -23.1 -28.0 64 4.9 -24.3 216 3 344.8 345.1 296.5 349.3 1.18 30 300 9720 -27.9 -30.1 81 2.2 -28.3 230 15 346.1 346.3 296.7 350.0 1.05 31 293 9889 -28.9 -30.2 88 1.3 -29.2 224 17 347.0 347.2 296.8 351.0 1.06 32 283 10137 -30.9 -35.8 62 4.9 -31.7 215 20 347.6 347.7 296.7 350.1 0.64 33 251 10978 -36.7 -40.7 66 4.0 -37.2 351.1 351.2 297.3 352.9 0.44 TRP WND Sounding variables and indices 1000-500 mb thick: 5805.00 m Freezing level: 544.27 mb = 5188.94 m = 17023.88 ft Wetbulb zero: 594.21 mb = 4474.29 m = 14679.26 ft Precipitable water: 2.46 inches Sfc-500 mean rel hum: 76.37 % Est. max temperature: 32.87 C = 91.17 F Sfc-Lift cond lev (LCL): 974.26 mb = 284.76 m = 934.24 ft T: 25.13 C 700-500 lapse rate: 4.93 C/km ThetaE index: 13.05 C Layer 925.0- 756.0 mb Conv cond level (CCL): 912.84 mb = 856.85 m = 2811.17 ft Mean mixing ratio: 18.90 g/kg Conv temperature: 30.50 C = 86.89 F Cap Strength: 0.73 C Lifted Index: -3.25 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.34 C Lifted Index @700 mb: -2.70 C Showalter Index: -1.61 C Risk: Thunderstorms probable Total Totals Index: 44.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.50 C Cross Totals Index: 21.80 C K Index: 40.60 Risk: > 80 % chance of thunderstorms Sweat Index: 239.20 Risk: None Energy Index: -2.91 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 958.96 J/kg Max Up Vert Vel: 43.79 m/s Conv Inhibition (B-): 6.61 J/kg Cap Strength: 0.73 C Lift Cond Lev (LCL): 937.39 mb = 624.75 m = 2049.69 ft Lev Free Conv (LFC): 882.39 mb = 1151.37 m = 3777.42 ft Wind level data Storm motion: 100 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 1004 20 70 2 -1.9 -0.7 | 293 4 4.1 -1.7 1 1000 55 75 2 -1.9 -0.5 | 291 4 4.0 -1.5 2 972 305 90 4 -4.0 0.0 | 297 2 1.9 -1.0 3 939 610 90 5 -5.0 0.0 | 317 1 0.9 -1.0 4 925 742 75 5 -4.8 -1.3 | 334 3 1.1 -2.3 5 907 914 55 6 -4.9 -3.4 | 347 5 1.0 -4.4 6 850 1476 60 6 -5.2 -3.0 | 350 4 0.7 -4.0 7 845 1524 60 7 -6.1 -3.5 | 2 4 -0.1 -4.5 8 787 2134 60 7 -6.1 -3.5 | 2 4 -0.1 -4.5 9 706 3048 105 9 -8.7 2.3 | 116 3 -2.8 1.3 10 700 3124 100 11 -10.8 1.9 | 101 5 -4.9 0.9 11 656 3658 90 11 -11.0 0.0 | 79 5 -5.1 -1.0 12 586 4572 35 9 -5.2 -7.4 | 355 8 0.8 -8.4 13 564 4877 40 8 -5.1 -6.1 | 354 7 0.8 -7.1 14 524 5486 55 9 -7.4 -5.2 | 13 6 -1.4 -6.2 15 500 5860 75 10 -9.7 -2.6 | 46 5 -3.7 -3.6 16 485 6096 70 10 -9.4 -3.4 | 38 6 -3.5 -4.4 17 400 7590 320 3 1.9 -2.3 | 293 9 7.9 -3.3 18 398 7620 335 3 1.3 -2.7 | 297 8 7.2 -3.7 19 324 9144 215 3 1.7 2.5 | 259 8 7.7 1.5 20 300 9720 230 15 11.5 9.6 | 244 19 17.4 8.6 21 261 10668 195 27 7.0 26.1 | 207 28 12.9 25.1 Wind Parameters Mean winds (0-6000m): 69.5 at 8.0 knts Storm direction: 99.5 at 6.0 knts Shear (0-3000m) pos: 1.5 neg: 0.6 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 179.4 deg Storm rel helicity (0-3000m) pos: 7.3 neg: 0.0 tot: 7.3 m^2/s^2 ave: 2.4 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 2.5 stream: 1.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 315.26 Bulk Shear: 3.04 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 87 4 296 3| 3.0 0.0 3.0| 0.4 0.0 0.4 0.9 0.22| 3.0 0.7 1000 77 4 321 3| 1.5 1.7 3.2| 1.4 0.0 1.4 1.4 0.32| 3.4 1.1 1500 69 5 335 3| 1.3 1.2 2.5| 2.5 0.0 2.5 1.7 0.40| 2.7 1.1 2000 66 5 344 3| 1.0 0.9 1.9| 2.6 0.0 2.6 1.3 0.40| 2.1 0.8 2500 67 6 351 3| 1.2 0.7 2.0| 4.7 0.0 4.7 1.9 0.51| 2.2 1.1 3000 73 6 2 3| 1.5 0.6 2.1| 7.3 0.0 7.3 2.4 0.63| 2.5 1.6 4000 79 7 30 3| 1.2 1.2 2.4| 7.3 -9.1 -1.7 -0.4 0.10| 2.9 0.3 5000 72 8 23 4| 1.0 1.3 2.3| 8.2 -18.9 -10.7 -2.1 -0.08| 3.1 -0.2 6000 70 8 23 4| 1.2 1.1 2.4| 16.0 -19.4 -3.4 -0.6 0.06| 3.0 0.2 Wrote GIF file: /home/apache/climate/data/raob//VT453/skewt/VT453.skewt.20250512.00.gif