UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 29 DEC 25 Station: VO371 WMO ident: 43371 Latitude: 8.48 Longitude: 76.95 ------------------------------------------------------------------------------- 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 1001 70 29.4 22.4 66 7.0 24.3 270 3 302.5 305.6 297.4 353.6 17.28 1 1000 79 29.2 22.2 66 7.0 24.1 0 0 302.4 305.5 297.3 352.9 17.09 2 927 747 21.8 19.8 88 2.0 20.4 264 4 301.4 304.3 296.2 348.2 15.87 3 925 766 22.4 18.7 80 3.7 19.8 265 4 302.2 304.9 295.7 346.0 14.83 4 919 823 22.8 15.8 65 7.0 18.1 275 4 303.2 305.5 294.3 339.9 12.38 5 850 1500 17.4 15.5 89 1.9 16.1 30 7 304.4 306.8 295.1 343.6 13.14 6 814 1867 14.8 12.1 84 2.7 13.0 53 7 305.4 307.4 293.9 338.3 10.96 7 806 1950 16.0 5.0 48 11.0 9.6 71 6 307.5 308.8 291.2 328.3 6.80 8 769 2348 15.2 -8.8 18 24.0 4.3 127 3 310.8 311.3 288.4 319.0 2.55 9 749 2570 14.0 -2.0 33 16.0 5.7 165 5 311.9 312.7 290.5 325.8 4.41 10 700 3138 12.2 -14.8 14 27.0 1.1 175 7 316.0 316.3 289.3 321.8 1.73 11 675 3441 11.0 -26.0 6 37.0 -1.1 206 9 318.0 318.1 288.8 320.3 0.68 12 620 4142 6.8 -12.2 24 19.0 -1.4 214 6 321.0 321.4 291.5 329.1 2.42 13 583 4644 4.2 -23.8 11 28.0 -5.1 212 5 323.6 323.8 290.9 327.0 0.96 14 543 5216 0.0 -14.0 34 14.0 -5.7 180 4 325.3 325.7 292.6 333.4 2.38 15 500 5870 -4.9 -17.9 35 13.0 -9.6 330 4 327.1 327.4 292.7 333.5 1.87 16 468 6387 -9.3 -21.3 37 12.0 -13.1 195 4 327.8 328.1 292.6 333.1 1.49 17 447 6741 -10.9 -33.9 13 23.0 -16.0 158 8 330.2 330.3 292.3 332.0 0.49 18 426 7111 -12.3 -23.3 39 11.0 -15.6 133 15 333.0 333.2 293.8 337.9 1.37 19 413 7347 -14.3 -28.3 29 14.0 -17.9 114 13 333.3 333.5 293.5 336.6 0.90 20 407 7458 -14.3 -38.3 11 24.0 -18.9 105 13 334.7 334.8 293.3 336.1 0.34 21 400 7590 -15.3 -42.3 8 27.0 -19.9 95 12 335.1 335.1 293.3 336.0 0.23 22 355 8483 -19.7 -55.7 3 36.0 -23.8 92 15 340.8 340.8 294.6 341.1 0.06 23 310 9475 -27.1 -62.1 2 35.0 -29.8 38 23 343.9 344.0 295.3 344.1 0.03 24 300 9710 -29.1 -62.1 3 33.0 -31.4 25 25 344.4 344.4 295.4 344.5 0.03 25 250 10980 -40.5 -63.5 7 23.0 -41.5 20 37 345.9 345.9 295.7 346.0 0.03 26 200 12460 -53.1 -70.1 11 17.0 -53.4 45 34 348.7 348.7 296.4 348.7 0.02 27 182 13064 -57.7 -74.7 10 17.0 -57.9 67 36 350.7 350.7 296.8 350.8 0.01 28 171 13456 -60.5 -76.5 10 16.0 -60.6 68 35 352.4 352.4 297.1 352.4 0.01 29 160 13868 -64.5 -71.5 38 7.0 -64.6 66 33 352.4 352.4 297.1 352.5 0.02 30 151 14220 -67.5 -72.5 49 5.0 -67.5 69 27 353.1 353.1 297.3 353.2 0.01 31 150 14260 -67.9 -72.9 49 5.0 -67.9 70 26 353.1 353.1 297.3 353.2 0.01 32 126 15280 -76.3 -83.3 32 7.0 -76.3 61 25 356.0 356.0 297.9 356.0 0.00 33 118 15654 -78.1 -86.1 26 8.0 -78.1 79 21 359.4 359.4 298.6 359.4 0.00 34 100 16580 -84.1 -91.1 28 7.0 -84.1 90 27 365.2 365.2 299.7 365.2 0.00 35 98 16693 -85.1 -91.1 33 6.0 -85.1 95 26 365.4 365.4 299.7 365.4 0.00 36 93 16986 -82.1 -91.1 20 9.0 -82.1 84 24 376.8 376.8 301.7 376.8 0.00 37 80 17829 -84.9 -91.9 28 7.0 -84.9 82 13 387.7 387.7 303.5 387.7 0.00 38 77 18043 -81.3 -91.3 17 10.0 -81.3 81 10 399.4 399.4 305.1 399.4 0.00 39 70 18580 -82.7 -90.7 24 8.0 -82.7 80 3 407.5 407.5 306.2 407.5 0.00 40 64 19083 -80.1 -90.1 17 10.0 -80.1 91 9 423.7 423.7 308.2 423.8 0.00 41 60 19446 -81.3 -90.3 20 9.0 -81.3 98 14 429.0 429.0 308.7 429.0 0.00 42 58 19639 -76.7 -89.7 11 13.0 -76.7 102 16 443.5 443.5 310.2 443.5 0.00 43 51 20392 -69.5 -87.5 6 18.0 -69.6 118 25 477.0 477.0 313.2 477.0 0.00 44 50 20510 -68.9 -87.9 5 19.0 -69.1 120 26 481.1 481.1 313.5 481.1 0.00 45 40 21858 -64.3 -91.3 1 27.0 -64.7 105 40 524.4 524.4 316.6 524.4 0.00 46 33 23033 -64.5 -91.5 1 27.0 -65.0 92 51 553.5 553.5 318.3 553.5 0.00 47 30 23620 -60.7 -91.7 1 31.0 -61.6 85 57 579.2 579.2 319.6 579.2 0.00 48 29 23832 -60.5 -91.8 1 31.3 -61.4 85 61 585.4 585.4 319.9 585.4 0.00 49 24 25017 -59.3 -92.3 1 33.0 -60.5 90 53 621.4 621.4 321.6 621.4 0.00 50 22 25570 -53.5 -88.5 1 35.0 -55.9 92 49 654.3 654.3 322.9 654.4 0.01 51 20 26190 -49.7 -85.7 1 36.0 -53.3 95 45 684.0 684.1 323.9 684.1 0.01 52 14 28506 -53.3 -88.3 1 35.0 -56.7 745.3 745.3 325.8 745.4 0.01 53 12 29509 -48.7 -88.7 0 40.0 -54.1 795.2 795.2 327.1 795.3 0.01 TRP 98 16693 -85.1 -91.1 33 6.0 -85.1 95 26 365.4 365.4 299.7 365.4 0.00 WND 29 23832 -60.5 -91.8 1 31.3 -61.4 85 61 585.4 585.4 319.9 585.4 0.00 Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 543.00 mb = 5216.47 m = 17114.21 ft Wetbulb zero: 687.28 mb = 3290.80 m = 10796.44 ft Precipitable water: 1.41 inches Sfc-500 mean rel hum: 40.20 % Est. max temperature: 31.29 C = 88.33 F Sfc-Lift cond lev (LCL): 904.71 mb = 958.93 m = 3146.04 ft T: 21.72 C 700-500 lapse rate: 6.26 C/km ThetaE index: 24.51 C Layer 814.0- 749.0 mb Conv cond level (CCL): 861.05 mb = 1387.95 m = 4553.59 ft Mean mixing ratio: 15.53 g/kg Conv temperature: 31.12 C = 88.02 F Cap Strength: 2.31 C Lifted Index: -1.29 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.29 C Lifted Index @700 mb: 2.10 C Showalter Index: 0.47 C Risk: Thunderstorms probable Total Totals Index: 42.70 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 20.40 C K Index: 10.80 Risk: None Sweat Index: 204.00 Risk: None Energy Index: -1.92 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 174.18 J/kg Max Up Vert Vel: 18.66 m/s Conv Inhibition (B-): 23.69 J/kg Cap Strength: 2.30 C Lift Cond Lev (LCL): 886.02 mb = 1139.96 m = 3739.98 ft Lev Free Conv (LFC): 841.02 mb = 1590.02 m = 5216.55 ft Equ Level (EL): 801.02 mb = 2002.86 m = 6570.98 ft B at Equ Level: 9.27 J/kg Max Parcel Lev (MPL): 771.02 mb = 2325.91 m = 7630.85 ft Wind level data Storm motion: 229 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 1001 70 270 3 3.0 -0.0 | 6 3 -0.3 -2.9 1 1000 79 0 0 -0.0 -0.0 | 49 4 -3.3 -2.9 2 975 305 250 8 7.5 2.7 | 272 4 4.2 -0.1 3 925 766 265 4 4.0 0.3 | 345 3 0.7 -2.5 4 909 914 290 4 3.8 -1.4 | 354 4 0.5 -4.2 5 878 1219 350 7 1.2 -6.9 | 12 10 -2.1 -9.8 6 850 1500 30 7 -3.5 -6.1 | 37 11 -6.8 -8.9 7 848 1524 30 7 -3.5 -6.1 | 37 11 -6.8 -8.9 8 818 1829 45 8 -5.7 -5.7 | 46 12 -9.0 -8.5 9 789 2134 110 3 -2.8 1.0 | 73 6 -6.1 -1.8 10 761 2438 135 3 -2.1 2.1 | 82 5 -5.4 -0.7 11 734 2743 205 8 3.4 7.3 | 181 4 0.1 4.4 12 708 3048 160 9 -3.1 8.5 | 131 8 -6.4 5.6 13 700 3138 175 7 -0.6 7.0 | 136 6 -3.9 4.1 14 682 3353 205 9 3.8 8.2 | 185 5 0.5 5.3 15 587 4572 220 5 3.2 3.8 | 175 1 -0.1 1.0 16 565 4877 175 7 -0.6 7.0 | 136 6 -3.9 4.1 17 544 5182 185 4 0.3 4.0 | 111 3 -3.0 1.1 18 524 5486 110 5 -4.7 1.7 | 82 8 -8.0 -1.2 19 505 5791 90 2 -2.0 0.0 | 62 6 -5.3 -2.9 20 500 5870 330 4 2.0 -3.5 | 12 6 -1.3 -6.3 21 486 6096 225 2 1.4 1.4 | 52 2 -1.9 -1.5 22 449 6706 160 7 -2.4 6.6 | 123 7 -5.7 3.7 23 431 7010 140 15 -9.6 11.5 | 124 16 -12.9 8.6 24 400 7590 95 12 -12.0 1.0 | 83 15 -15.3 -1.8 25 382 7925 105 15 -14.5 3.9 | 93 18 -17.8 1.0 26 352 8534 90 15 -15.0 0.0 | 81 19 -18.3 -2.9 27 300 9710 25 25 -10.6 -22.7 | 29 29 -13.9 -25.5 28 285 10058 20 27 -9.2 -25.4 | 24 31 -12.5 -28.2 29 273 10363 20 29 -9.9 -27.3 | 24 33 -13.2 -30.1 30 250 10980 20 37 -12.7 -34.8 | 23 41 -16.0 -37.6 31 200 12460 45 34 -24.0 -24.0 | 45 38 -27.3 -26.9 32 189 12802 55 37 -30.3 -21.2 | 54 41 -33.6 -24.1 33 180 13106 70 36 -33.8 -12.3 | 68 40 -37.1 -15.2 34 156 14021 65 32 -29.0 -13.5 | 63 36 -32.3 -16.4 35 150 14260 70 26 -24.4 -8.9 | 67 30 -27.7 -11.8 36 148 14326 70 29 -27.3 -9.9 | 67 33 -30.6 -12.8 37 126 15240 60 25 -21.7 -12.5 | 58 29 -25.0 -15.4 38 114 15850 90 19 -19.0 0.0 | 83 22 -22.3 -2.9 39 108 16154 75 22 -21.3 -5.7 | 71 26 -24.6 -8.6 40 100 16580 90 27 -27.0 0.0 | 85 30 -30.3 -2.9 41 98 16693 95 26 -25.9 2.3 | 89 29 -29.2 -0.6 42 97 16764 85 27 -26.9 -2.4 | 80 31 -30.2 -5.2 43 70 18580 80 3 -3.0 -0.5 | 62 7 -6.3 -3.4 44 50 20510 120 26 -22.5 13.0 | 111 28 -25.8 10.1 45 30 23620 85 57 -56.8 -5.0 | 83 61 -60.1 -7.8 46 29 23832 85 61 -60.8 -5.3 | 83 65 -64.1 -8.2 47 20 26190 95 45 -44.8 3.9 | 91 48 -48.1 1.1 Wind Parameters Mean winds (0-6000m): 199.0 at 5.8 knts Storm direction: 229.0 at 4.4 knts Shear (0-3000m) pos: 1.4 neg: 0.8 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 127.0 deg Storm rel helicity (0-3000m) pos: 52.6 neg: -15.1 tot: 37.5 m^2/s^2 ave: 12.5 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 8.8 stream: 2.6 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 50.77 Bulk Shear: 3.43 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 ------------------------------------------------------------------------------- 500 252 5 303 2| 0.0 2.9 2.9| 1.8 -7.4 -5.6 -11.2 -0.45| 12.2 -5.5 1000 264 5 324 3| 3.0 1.5 4.4| 4.4 -7.4 -3.0 -3.0 -0.14| 9.4 -1.3 1500 301 6 346 6| 4.1 1.0 5.0| 23.0 -7.4 15.6 10.4 0.17| 9.2 1.5 2000 340 6 8 9| 2.5 0.7 3.2| 40.7 -7.4 33.3 16.6 0.30| 9.1 2.8 2500 351 5 17 9| 1.6 0.6 2.2| 46.7 -7.4 39.3 15.7 0.36| 8.4 3.1 3000 283 6 331 5| 1.4 0.8 2.1| 52.6 -15.1 37.5 12.5 0.30| 8.8 2.6 4000 210 6 177 3| 0.2 0.6 0.8| 60.3 -15.1 45.3 11.3 0.34| 7.8 2.6 5000 206 6 168 3| 0.1 0.6 0.7| 60.3 -18.1 42.3 8.5 0.25| 7.1 1.8 6000 199 6 152 3| 0.4 0.5 0.9| 61.6 -37.4 24.2 4.0 0.07| 7.7 0.6 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251229.12.gif