UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101100.upa.cvt Date: 0000Z 11 OCT 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 11 OCT 25 Station: VVNB WMO ident: 48820 Latitude: 21.02 Longitude: 105.80 Elevation: 6.00 ------------------------------------------------------------------------------- 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 1011 6 27.0 25.0 89 2.0 25.5 340 1 299.2 302.9 298.3 358.0 20.10 1 1000 105 26.4 25.0 92 1.4 25.4 345 3 299.5 303.3 298.5 359.1 20.33 2 931 734 21.4 20.8 96 0.6 21.0 77 3 300.6 303.7 296.7 350.1 16.84 3 927 771 21.2 20.8 98 0.4 20.9 82 3 300.8 303.9 296.7 350.5 16.91 4 925 790 21.2 20.7 97 0.5 20.9 85 3 301.0 304.1 296.7 350.5 16.84 5 877 1253 20.0 16.4 80 3.6 17.5 101 4 304.4 306.9 295.4 344.6 13.50 6 850 1523 18.2 15.9 86 2.3 16.7 110 5 305.2 307.7 295.6 345.5 13.49 7 815 1883 16.2 14.9 92 1.3 15.3 119 5 306.8 309.2 295.8 346.5 13.19 8 700 3167 9.8 5.6 75 4.2 7.3 150 7 313.3 314.9 294.0 338.8 8.18 9 689 3298 9.4 4.4 71 5.0 6.5 148 7 314.3 315.8 293.9 338.2 7.63 10 682 3383 8.6 5.9 83 2.7 7.0 147 7 314.3 316.0 294.6 341.1 8.58 11 646 3830 7.4 -2.6 49 10.0 2.2 142 7 317.9 318.8 292.7 333.6 4.89 12 636 3958 6.2 1.2 70 5.0 3.4 140 7 318.0 319.2 294.0 338.9 6.58 13 623 4127 6.0 -7.0 39 13.0 -0.2 138 7 319.6 320.3 292.1 331.5 3.63 14 609 4312 4.4 -7.6 41 12.0 -1.2 136 7 319.8 320.5 292.1 331.5 3.54 15 605 4366 3.6 -0.1 77 3.7 1.5 135 7 319.5 320.7 294.3 339.7 6.29 16 589 4583 2.8 -8.2 44 11.0 -2.3 132 7 321.1 321.7 292.4 332.6 3.50 17 580 4708 1.8 -2.2 75 4.0 -0.3 130 7 321.3 322.4 294.2 339.5 5.62 18 554 5076 0.0 -4.5 72 4.5 -2.3 126 7 323.4 324.4 294.2 339.7 4.95 19 548 5163 -0.3 -10.3 47 10.0 -4.7 125 7 324.1 324.7 293.0 334.7 3.19 20 546 5192 -0.5 -6.5 64 6.0 -3.4 124 7 324.2 325.0 293.9 338.4 4.31 21 541 5266 -0.9 -10.9 47 10.0 -5.3 123 7 324.5 325.2 293.0 334.9 3.08 22 514 5672 -3.9 -9.9 63 6.0 -6.5 118 7 325.7 326.4 293.7 337.5 3.51 23 511 5718 -4.1 -7.9 75 3.8 -5.9 117 7 326.0 326.8 294.3 339.8 4.13 24 506 5796 -3.9 -15.9 39 12.0 -8.5 116 7 327.2 327.6 293.0 334.7 2.19 25 500 5890 -4.7 -11.7 58 7.0 -7.7 115 7 327.3 327.9 293.8 337.9 3.12 26 499 5906 -4.9 -11.9 58 7.0 -7.8 115 7 327.3 327.9 293.7 337.7 3.08 27 478 6244 -6.1 -26.1 19 20.0 -11.9 106 8 329.8 330.0 292.6 333.3 0.95 28 456 6612 -8.7 -32.7 12 24.0 -14.5 96 9 331.0 331.1 292.5 333.0 0.54 29 434 6995 -10.1 -43.1 5 33.0 -16.2 86 11 334.0 334.0 293.0 334.7 0.20 30 426 7139 -11.5 -28.5 23 17.0 -16.0 83 11 334.0 334.1 293.6 337.1 0.86 31 410 7432 -13.5 -46.5 4 33.0 -18.7 75 12 335.1 335.1 293.2 335.6 0.14 32 405 7525 -13.9 -39.9 9 26.0 -18.8 73 13 335.7 335.8 293.6 336.9 0.29 33 403 7563 -14.1 -26.1 35 12.0 -17.4 72 13 335.9 336.2 294.3 340.1 1.13 34 400 7620 -14.5 -28.5 29 14.0 -18.1 70 13 336.1 336.3 294.2 339.5 0.91 35 390 7812 -15.1 -39.1 11 24.0 -19.7 78 12 337.8 337.9 294.1 339.1 0.33 36 371 8187 -17.1 -37.1 16 20.0 -21.0 94 10 340.0 340.1 294.7 341.7 0.43 37 342 8791 -22.5 -38.5 22 16.0 -25.2 119 6 340.7 340.8 294.8 342.2 0.40 38 314 9413 -26.9 -49.9 9 23.0 -29.4 146 3 343.0 343.0 295.1 343.5 0.13 39 300 9740 -29.3 -48.3 14 19.0 -31.3 160 1 344.1 344.1 295.4 344.7 0.16 40 289 10005 -30.9 -53.9 9 23.0 -32.9 166 2 345.5 345.5 295.7 345.9 0.09 41 250 11010 -39.7 -51.7 27 12.0 -40.5 190 5 347.0 347.1 296.1 347.6 0.13 42 225 11723 -45.3 -56.3 28 11.0 -45.8 181 11 349.1 349.1 296.5 349.4 0.08 43 211 12150 -48.7 -63.7 16 15.0 -49.1 175 14 350.2 350.3 296.7 350.4 0.03 44 200 12500 -51.7 -61.7 29 10.0 -52.0 170 17 350.9 350.9 296.8 351.1 0.05 45 195 12664 -53.3 -61.3 37 8.0 -53.5 165 16 350.9 350.9 296.9 351.1 0.05 46 187 12932 -55.7 -68.7 18 13.0 -55.9 156 15 351.2 351.3 296.9 351.3 0.02 47 175 13351 -59.3 -67.3 35 8.0 -59.4 142 13 352.0 352.1 297.1 352.2 0.03 48 160 13906 -63.5 -75.5 18 12.0 -63.6 123 11 354.1 354.1 297.5 354.1 0.01 49 150 14300 -66.3 -72.3 43 6.0 -66.4 110 9 355.9 355.9 297.9 355.9 0.01 50 145 14505 -67.7 -71.4 59 3.7 -67.7 109 10 356.9 356.9 298.1 357.0 0.02 51 128 15244 -73.9 -79.9 39 6.0 -73.9 106 12 358.7 358.7 298.4 358.7 0.01 52 111 16070 -76.9 -82.9 38 6.0 -76.9 103 15 368.0 368.0 300.2 368.0 0.00 53 100 16670 -77.1 -85.1 27 8.0 -77.1 100 17 378.8 378.8 302.1 378.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5785.00 m Freezing level: 554.00 mb = 5076.00 m = 16653.35 ft Wetbulb zero: 623.77 mb = 4116.90 m = 13506.73 ft Precipitable water: 2.18 inches Sfc-500 mean rel hum: 74.69 % Est. max temperature: 32.67 C = 90.80 F Sfc-Lift cond lev (LCL): 982.56 mb = 259.70 m = 852.04 ft T: 25.17 C 700-500 lapse rate: 5.33 C/km ThetaE index: 9.07 C Layer 931.0- 927.0 mb Conv cond level (CCL): 944.48 mb = 607.30 m = 1992.43 ft Mean mixing ratio: 18.32 g/kg Conv temperature: 28.21 C = 82.78 F Cap Strength: 0.18 C Lifted Index: -3.17 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.07 C Lifted Index @700 mb: -1.88 C Showalter Index: -0.09 C Risk: Thunderstorms probable Total Totals Index: 43.50 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 20.60 C K Index: 34.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 207.80 Risk: None Energy Index: -1.53 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1087.20 J/kg Max Up Vert Vel: 46.63 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.18 C Lift Cond Lev (LCL): 947.10 mb = 582.88 m = 1912.30 ft Lev Free Conv (LFC): 942.10 mb = 629.42 m = 2064.99 ft Equ Level (EL): 892.10 mb = 1104.54 m = 3623.77 ft B at Equ Level: 11.81 J/kg Wind level data Storm motion: 157 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 1011 6 340 1 0.3 -0.9 | 338 5 2.1 -5.0 1 1000 105 345 3 0.8 -2.9 | 340 7 2.5 -7.0 2 925 790 85 3 -3.0 -0.3 | 16 5 -1.3 -4.3 3 850 1523 110 5 -4.7 1.7 | 52 4 -3.0 -2.3 4 700 3167 150 7 -3.5 6.1 | 138 3 -1.8 2.0 5 500 5890 115 7 -6.3 3.0 | 77 5 -4.6 -1.1 6 400 7620 70 13 -12.2 -4.4 | 51 14 -10.5 -8.5 7 300 9740 160 1 -0.3 0.9 | 336 3 1.4 -3.1 8 250 11010 190 5 0.9 4.9 | 251 3 2.6 0.9 9 200 12500 170 17 -3.0 16.7 | 174 13 -1.2 12.7 10 150 14300 110 9 -8.5 3.1 | 82 7 -6.7 -1.0 11 100 16670 100 17 -16.7 3.0 | 86 15 -15.0 -1.1 Wind Parameters Mean winds (0-6000m): 127.1 at 5.9 knts Storm direction: 157.1 at 4.4 knts Shear (0-3000m) pos: 1.3 neg: 0.0 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 149.7 deg Storm rel helicity (0-3000m) pos: 13.4 neg: 0.0 tot: 13.4 m^2/s^2 ave: 4.5 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 2.4 stream: 1.9 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 142.92 Bulk Shear: 7.61 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 10 3 350 7| 2.8 0.0 2.8| 5.6 0.0 5.6 11.2 0.61| 5.2 3.2 1000 48 3 5 6| 2.1 0.0 2.1| 8.3 0.0 8.3 8.3 0.64| 4.1 2.6 1500 78 3 19 5| 1.9 0.0 1.9| 10.2 0.0 10.2 6.8 0.70| 3.4 2.3 2000 94 4 29 4| 1.6 0.0 1.6| 11.3 0.0 11.3 5.6 0.72| 2.9 2.1 2500 105 4 40 4| 1.5 0.0 1.5| 12.3 0.0 12.3 4.9 0.75| 2.6 1.9 3000 116 5 51 3| 1.3 0.0 1.3| 13.4 0.0 13.4 4.5 0.77| 2.4 1.9 4000 127 5 70 3| 1.0 0.1 1.1| 13.7 -0.9 12.8 3.2 0.64| 2.0 1.3 5000 129 6 79 3| 0.8 0.2 1.0| 13.7 -2.1 11.5 2.3 0.51| 1.8 0.9 6000 127 6 80 3| 0.7 0.4 1.0| 13.7 -3.5 10.2 1.7 0.39| 1.6 0.6 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251011.00.gif