UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051600.upa.cvt Date: 0000Z 16 MAY 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 16 MAY 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 1009 4 26.4 25.0 92 1.4 25.4 0 0 298.8 302.4 298.2 357.6 20.14 1 1000 82 25.0 24.2 95 0.8 24.5 165 1 298.1 301.7 297.6 354.5 19.35 2 986 207 27.0 22.4 76 4.6 23.6 171 2 301.4 304.6 297.3 353.1 17.55 3 925 771 24.2 20.2 78 4.0 21.3 130 8 304.1 307.1 297.2 352.6 16.32 4 864 1367 20.0 17.4 85 2.6 18.2 130 11 305.7 308.4 296.5 349.5 14.63 5 850 1508 19.8 15.7 77 4.1 17.0 130 11 306.9 309.4 296.0 347.0 13.32 6 700 3159 11.6 5.6 67 6.0 8.0 120 12 315.3 316.9 294.6 341.0 8.18 7 677 3438 10.2 3.2 62 7.0 6.1 115 11 316.8 318.2 294.1 339.4 7.13 8 607 4340 5.4 0.4 70 5.0 2.6 132 5 321.3 322.6 294.8 342.3 6.51 9 500 5900 -4.3 -6.3 86 2.0 -5.3 200 4 327.8 328.8 295.2 343.8 4.78 10 466 6453 -7.9 -8.6 95 0.7 -8.2 164 4 330.0 330.8 295.4 344.5 4.29 11 460 6554 -8.3 -9.6 90 1.3 -8.9 158 4 330.7 331.5 295.4 344.4 4.02 12 457 6605 -8.3 -14.3 62 6.0 -10.7 155 4 331.3 331.9 294.6 340.9 2.77 13 430 7076 -11.7 -11.8 99 0.1 -11.8 128 3 332.8 333.6 295.6 345.2 3.61 14 400 7630 -13.5 -18.2 68 4.7 -15.2 90 4 337.4 337.9 295.6 345.6 2.28 15 392 7783 -14.3 -19.3 66 5.0 -16.0 86 4 338.4 338.8 295.7 345.9 2.12 16 305 9632 -27.7 -33.7 57 6.0 -28.8 58 7 344.7 344.9 296.1 347.5 0.73 17 302 9702 -28.3 -31.0 78 2.7 -28.9 59 7 344.8 345.0 296.3 348.5 0.95 18 300 9750 -28.7 -31.8 75 3.1 -29.3 60 7 344.9 345.1 296.3 348.3 0.89 19 284 10140 -31.5 -42.5 33 11.0 -32.9 50 10 346.4 346.4 296.1 347.6 0.32 20 277 10316 -32.7 -38.7 55 6.0 -33.6 45 11 347.1 347.2 296.4 349.0 0.49 21 264 10653 -34.9 -47.9 25 13.0 -36.1 36 13 348.7 348.7 296.5 349.5 0.19 22 254 10921 -37.3 -51.3 22 14.0 -38.4 49 13 349.0 349.1 296.5 349.6 0.13 23 250 11030 -38.3 -51.3 24 13.0 -39.3 55 13 349.1 349.2 296.5 349.7 0.14 24 236 11423 -41.9 -49.9 41 8.0 -42.5 52 14 349.5 349.5 296.7 350.2 0.17 25 231 11567 -42.9 -55.9 23 13.0 -43.6 50 14 350.1 350.1 296.7 350.5 0.09 26 223 11803 -45.1 -52.1 45 7.0 -45.5 48 14 350.3 350.3 296.8 350.9 0.14 27 214 12077 -47.3 -50.4 70 3.1 -47.5 46 15 351.0 351.0 297.0 351.8 0.18 28 205 12359 -49.7 -52.7 71 3.0 -49.8 40 20 351.6 351.6 297.1 352.2 0.14 29 200 12520 -50.9 -54.6 65 3.7 -51.1 35 25 352.2 352.2 297.2 352.7 0.12 30 169 13597 -60.7 -63.5 69 2.8 -60.7 26 27 353.2 353.3 297.4 353.4 0.04 31 156 14091 -65.3 -70.0 52 4.7 -65.4 31 27 353.6 353.6 297.4 353.7 0.02 32 150 14330 -66.9 -71.8 50 4.9 -67.0 35 27 354.8 354.8 297.7 354.9 0.02 33 121 15595 -75.7 -81.7 38 6.0 -75.7 56 25 361.2 361.2 299.0 361.2 0.00 34 117 15790 -74.3 -82.3 28 8.0 -74.3 59 25 367.3 367.3 300.1 367.3 0.00 35 100 16690 -79.1 -85.1 37 6.0 -79.1 90 32 374.9 374.9 301.4 374.9 0.00 36 95 16981 -80.3 -86.3 36 6.0 -80.3 95 33 378.1 378.1 301.9 378.1 0.00 37 74 18394 -80.7 -88.7 25 8.0 -80.7 82 25 405.2 405.2 305.9 405.3 0.00 38 70 18710 -78.5 -88.5 18 10.0 -78.6 60 25 416.4 416.4 307.3 416.5 0.00 39 59 19696 -75.3 -90.3 8 15.0 -75.3 92 28 444.5 444.5 310.3 444.5 0.00 40 50 20680 -66.3 -89.3 3 23.0 -66.5 40 11 487.2 487.2 314.0 487.3 0.00 41 41 21908 -58.3 -87.3 1 29.0 -59.2 80 21 535.6 535.6 317.3 535.7 0.00 42 38 22387 -57.9 -86.9 1 29.0 -58.9 87 21 548.4 548.4 318.0 548.5 0.01 43 36 22727 -59.7 -87.7 1 28.0 -60.5 93 22 552.3 552.3 318.2 552.4 0.00 44 30 23880 -55.5 -86.5 1 31.0 -57.0 125 19 593.3 593.3 320.3 593.4 0.01 45 27 24549 -57.3 -87.3 1 30.0 -58.7 121 17 606.4 606.4 320.9 606.5 0.01 46 25 25038 -55.1 -86.1 1 31.0 -56.9 109 19 626.2 626.2 321.7 626.3 0.01 TRP 95 16981 -80.3 -86.3 36 6.0 -80.3 95 33 378.1 378.1 301.9 378.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5818.00 m Freezing level: 547.43 mb = 5208.40 m = 17087.73 ft Wetbulb zero: 571.60 mb = 4823.36 m = 15824.49 ft Precipitable water: 2.37 inches Sfc-500 mean rel hum: 74.50 % Est. max temperature: 33.73 C = 92.72 F Sfc-Lift cond lev (LCL): 989.18 mb = 178.32 m = 585.03 ft T: 26.54 C 700-500 lapse rate: 5.80 C/km ThetaE index: 18.26 C Layer 1000.0- 607.0 mb Conv cond level (CCL): 847.36 mb = 1534.42 m = 5034.13 ft Mean mixing ratio: 17.24 g/kg Conv temperature: 34.67 C = 94.40 F Cap Strength: 2.23 C Lifted Index: -2.50 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.06 C Lifted Index @700 mb: 0.15 C Showalter Index: -0.22 C Risk: Thunderstorms probable Total Totals Index: 44.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 20.00 C K Index: 33.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 214.40 Risk: None Energy Index: -0.66 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 585.32 J/kg Max Up Vert Vel: 34.21 m/s Conv Inhibition (B-): 87.73 J/kg Cap Strength: 2.23 C Lift Cond Lev (LCL): 907.93 mb = 933.59 m = 3062.92 ft Lev Free Conv (LFC): 672.93 mb = 3487.96 m = 11443.28 ft Equ Level (EL): 182.93 mb = 13090.32 m = 42946.73 ft B at Equ Level: 585.32 J/kg Max Parcel Lev (MPL): 102.93 mb = 16524.35 m = 54213.07 ft Wind level data Storm motion: 156 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 1009 4 0 0 -0.0 -0.0 | 336 6 2.3 -5.2 1 1000 82 165 1 -0.3 1.0 | 334 5 2.1 -4.2 2 975 305 175 2 -0.2 2.0 | 326 4 2.1 -3.2 3 942 610 140 6 -3.9 4.6 | 68 2 -1.5 -0.6 4 925 771 130 8 -6.1 5.1 | 89 4 -3.8 -0.1 5 910 914 130 9 -6.9 5.8 | 97 5 -4.6 0.6 6 850 1508 130 11 -8.4 7.1 | 107 6 -6.1 1.9 7 848 1524 130 11 -8.4 7.1 | 107 6 -6.1 1.9 8 790 2134 130 13 -10.0 8.4 | 112 8 -7.6 3.1 9 709 3048 120 11 -9.5 5.5 | 92 7 -7.2 0.3 10 700 3159 120 12 -10.4 6.0 | 96 8 -8.1 0.8 11 658 3658 110 11 -10.3 3.8 | 80 8 -8.0 -1.5 12 589 4572 140 3 -1.9 2.3 | 353 3 0.4 -2.9 13 567 4877 120 4 -3.5 2.0 | 20 3 -1.2 -3.2 14 526 5486 50 1 -0.8 -0.6 | 345 6 1.5 -5.9 15 500 5900 200 4 1.4 3.8 | 292 4 3.7 -1.5 16 488 6096 185 5 0.4 5.0 | 275 3 2.7 -0.2 17 401 7620 95 2 -2.0 0.2 | 356 5 0.3 -5.0 18 400 7630 90 4 -4.0 0.0 | 18 5 -1.7 -5.2 19 326 9144 50 7 -5.4 -4.5 | 17 10 -3.1 -9.7 20 300 9750 60 7 -6.1 -3.5 | 23 9 -3.8 -8.7 21 263 10668 35 13 -7.5 -10.6 | 18 17 -5.1 -15.9 22 250 11030 55 13 -10.6 -7.5 | 33 15 -8.3 -12.7 23 210 12192 45 15 -10.6 -10.6 | 28 18 -8.3 -15.8 24 200 12520 35 25 -14.3 -20.5 | 25 28 -12.0 -25.7 25 165 13716 25 27 -11.4 -24.5 | 17 31 -9.1 -29.7 26 150 14330 35 27 -15.5 -22.1 | 26 30 -13.2 -27.3 27 128 15240 50 24 -18.4 -15.4 | 38 26 -16.1 -20.6 28 104 16459 70 26 -24.4 -8.9 | 57 26 -22.1 -14.1 29 100 16690 90 32 -32.0 0.0 | 80 30 -29.7 -5.2 30 95 16981 95 33 -32.9 2.9 | 86 31 -30.6 -2.3 31 75 18288 90 25 -25.0 0.0 | 77 23 -22.7 -5.2 32 70 18710 60 25 -21.7 -12.5 | 48 26 -19.3 -17.7 33 58 19812 95 28 -27.9 2.4 | 84 26 -25.6 -2.8 34 50 20680 40 11 -7.1 -8.4 | 19 14 -4.8 -13.6 35 45 21336 70 20 -18.8 -6.8 | 54 20 -16.5 -12.1 36 35 22860 95 22 -21.9 1.9 | 80 20 -19.6 -3.3 37 30 23880 125 19 -15.6 10.9 | 113 14 -13.3 5.7 38 27 24384 120 17 -14.7 8.5 | 105 13 -12.4 3.3 39 21 25298 80 24 -23.6 -4.2 | 66 23 -21.3 -9.4 Wind Parameters Mean winds (0-6000m): 126.1 at 7.6 knts Storm direction: 156.1 at 5.7 knts Shear (0-3000m) pos: 0.8 neg: 1.3 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 117.2 deg Storm rel helicity (0-3000m) pos: 4.6 neg: -6.1 tot: -1.5 m^2/s^2 ave: -0.5 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 0.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 118.97 Bulk Shear: 4.92 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 ------------------------------------------------------------------------------- 500 163 2 332 4| 4.7 0.0 4.7| 0.3 -0.9 -0.6 -1.1 0.01| 5.1 0.1 1000 139 5 27 2| 2.4 2.7 5.1| 2.2 -0.9 1.3 1.3 0.33| 5.4 1.8 1500 134 7 75 2| 1.6 2.4 4.0| 3.3 -0.9 2.4 1.6 0.35| 4.2 1.5 2000 133 8 92 4| 1.2 2.2 3.4| 4.4 -0.9 3.5 1.7 0.35| 3.6 1.2 2500 131 9 98 4| 0.9 1.7 2.7| 4.6 -3.2 1.4 0.6 0.25| 3.1 0.8 3000 130 9 99 5| 0.8 1.3 2.1| 4.6 -6.1 -1.5 -0.5 0.14| 2.9 0.4 4000 126 10 95 6| 0.5 1.1 1.6| 4.8 -10.8 -6.0 -1.5 0.01| 3.0 0.0 5000 125 9 87 5| 0.6 0.9 1.6| 5.8 -14.0 -8.2 -1.6 -0.09| 3.2 -0.3 6000 126 8 79 4| 0.9 0.6 1.5| 7.0 -20.7 -13.7 -2.3 -0.20| 3.6 -0.7 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250516.00.gif