UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for VO371... Searching the city database file for: VO371 ... Date:0000Z 4 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 1002 71 24.0 22.9 94 1.1 23.2 140 3 297.0 300.2 296.3 348.5 17.81 1 1000 88 24.4 22.8 91 1.6 23.3 0 0 297.5 300.8 296.4 349.0 17.74 2 988 194 24.8 22.6 88 2.2 23.2 75 5 299.0 302.2 296.8 350.7 17.74 3 940 629 22.0 20.4 91 1.6 20.9 155 6 300.4 303.4 296.2 348.1 16.26 4 931 713 22.6 14.6 61 8.0 17.3 155 8 301.9 303.9 293.1 335.2 11.29 5 925 769 22.4 15.4 65 7.0 17.7 155 9 302.2 304.4 293.7 337.6 11.98 6 922 797 22.6 12.6 53 10.0 16.1 154 9 302.7 304.5 292.3 332.4 9.99 7 904 969 21.0 16.9 77 4.1 18.2 143 11 302.8 305.3 295.0 342.8 13.52 8 856 1442 17.8 16.2 90 1.6 16.7 83 9 304.2 306.7 295.5 344.9 13.66 9 850 1502 17.4 16.1 92 1.3 16.5 75 9 304.4 306.9 295.6 345.1 13.67 10 826 1747 17.2 10.2 63 7.0 12.8 100 9 306.7 308.4 293.2 335.4 9.50 11 814 1873 18.0 -8.0 16 26.0 5.9 115 8 308.8 309.3 287.8 317.0 2.57 12 801 2011 16.8 -7.2 19 24.0 5.6 130 8 308.9 309.5 288.0 317.8 2.78 13 796 2064 16.4 -5.6 22 22.0 5.8 136 8 309.1 309.7 288.4 319.1 3.16 14 790 2129 15.8 7.8 59 8.0 10.9 144 8 309.1 310.7 293.0 334.9 8.43 15 781 2226 15.0 11.3 79 3.7 12.6 136 8 309.3 311.3 294.8 342.2 10.84 16 747 2603 13.8 7.8 67 6.0 10.1 99 8 311.9 313.6 294.2 339.5 8.93 17 700 3149 10.2 5.2 71 5.0 7.2 165 3 313.8 315.3 294.0 338.6 7.95 18 646 3814 5.2 2.2 81 3.0 3.5 86 9 315.4 316.7 293.6 337.3 6.96 19 632 3994 5.8 -7.2 39 13.0 -0.3 93 11 318.1 318.8 291.6 329.5 3.52 20 624 4098 5.4 -11.6 28 17.0 -1.9 97 12 318.8 319.3 290.9 327.1 2.52 21 611 4271 3.8 -4.2 56 8.0 -0.2 104 14 318.9 319.7 292.7 333.7 4.59 22 562 4948 0.0 -10.0 47 10.0 -4.4 83 13 322.1 322.7 292.4 332.7 3.18 23 546 5180 -1.7 -6.4 70 4.7 -4.0 76 13 322.7 323.6 293.6 337.0 4.34 24 527 5462 -2.9 -9.9 58 7.0 -6.0 66 12 324.6 325.3 293.3 336.0 3.42 25 523 5523 -2.5 -15.5 36 13.0 -7.5 65 12 325.8 326.2 292.6 333.3 2.19 26 502 5848 -4.3 -13.3 49 9.0 -7.9 43 8 327.4 328.0 293.5 336.7 2.73 27 500 5880 -4.7 -13.7 49 9.0 -8.3 30 9 327.3 327.8 293.4 336.4 2.65 28 464 6460 -7.7 -22.7 29 15.0 -12.5 20 7 330.6 330.9 293.2 335.4 1.33 29 457 6578 -8.9 -18.9 44 10.0 -12.3 8 9 330.6 331.0 293.6 337.2 1.88 30 433 6991 -11.1 -31.1 17 20.0 -16.0 360 9 332.9 333.1 293.2 335.4 0.66 31 400 7590 -15.9 -32.9 22 17.0 -19.6 340 5 334.3 334.4 293.4 336.6 0.60 32 389 7800 -17.9 -33.9 23 16.0 -21.1 331 5 334.4 334.5 293.4 336.5 0.56 33 373 8114 -19.9 -28.9 45 9.0 -22.0 278 4 335.8 336.0 294.1 339.2 0.94 34 364 8295 -21.7 -27.7 58 6.0 -23.1 240 4 335.7 335.9 294.3 339.7 1.08 35 355 8480 -22.3 -33.3 36 11.0 -24.5 224 6 337.3 337.5 294.3 339.8 0.65 36 302 9653 -30.7 -37.7 50 7.0 -31.7 176 18 341.5 341.6 295.1 343.4 0.49 37 300 9700 -31.1 -37.1 56 6.0 -32.0 175 18 341.5 341.7 295.2 343.6 0.53 38 293 9866 -32.5 -38.5 55 6.0 -33.3 178 18 341.9 342.0 295.2 343.7 0.47 39 285 10059 -33.5 -45.5 29 12.0 -34.7 181 19 343.2 343.2 295.3 344.1 0.23 40 253 10879 -39.7 -58.7 11 19.0 -40.7 194 20 345.9 345.9 295.8 346.1 0.05 41 250 10960 -40.3 -58.3 13 18.0 -41.2 195 20 346.2 346.2 295.8 346.4 0.06 42 218 11879 -48.7 -58.7 30 10.0 -49.1 208 20 347.0 347.0 296.0 347.3 0.06 43 204 12312 -52.9 -60.9 37 8.0 -53.1 213 19 347.0 347.0 296.0 347.2 0.05 44 200 12440 -53.9 -63.9 28 10.0 -54.1 210 18 347.4 347.4 296.1 347.6 0.04 45 191 12735 -55.7 -71.7 12 16.0 -55.9 204 17 349.1 349.1 296.4 349.2 0.01 46 150 14240 -66.3 -80.3 12 14.0 -66.4 220 24 355.9 355.9 297.9 355.9 0.00 47 100 16600 -82.3 -92.3 16 10.0 -82.3 210 16 368.7 368.7 300.4 368.7 0.00 48 92 17065 -86.5 -94.5 22 8.0 -86.5 200 18 369.3 369.3 300.4 369.3 0.00 49 70 18580 -84.3 -92.3 23 8.0 -84.3 20 19 404.0 404.0 305.7 404.0 0.00 50 62 19261 -80.1 -88.1 25 8.0 -80.1 42 23 427.6 427.6 308.6 427.6 0.00 51 59 19546 -75.5 -87.5 14 12.0 -75.6 50 24 444.1 444.1 310.3 444.1 0.00 52 50 20520 -69.9 -86.9 7 17.0 -70.1 80 29 478.8 478.8 313.4 478.8 0.00 53 48 20763 -68.3 -87.3 5 19.0 -68.5 82 31 488.2 488.2 314.1 488.2 0.00 54 41 21703 -69.5 -90.5 3 21.0 -69.7 88 39 507.7 507.7 315.5 507.7 0.00 55 31 23388 -64.3 -92.3 1 28.0 -64.8 99 52 564.0 564.0 318.9 564.0 0.00 56 30 23590 -60.5 -91.5 1 31.0 -61.4 100 54 579.7 579.7 319.6 579.7 0.00 57 22 25545 -56.1 -91.1 0 35.0 -57.9 91 60 646.6 646.6 322.6 646.6 0.00 58 21 25843 -53.1 -88.6 1 35.5 -55.6 90 61 664.4 664.4 323.2 664.4 0.01 59 20 26160 -49.9 -85.9 1 36.0 -53.4 95 59 683.4 683.4 323.9 683.5 0.01 60 18 26855 -47.1 -84.1 1 37.0 -51.8 68 55 713.2 713.2 324.8 713.3 0.02 61 16 27643 -43.5 -81.5 1 38.0 -50.0 39 50 749.4 749.4 325.9 749.6 0.03 62 15 28075 -46.5 -83.5 1 37.0 -52.0 22 47 753.3 753.4 326.0 753.6 0.02 63 13 29031 -44.1 -82.1 1 38.0 -51.2 346 42 793.1 793.1 327.1 793.5 0.04 64 11 30151 -45.1 -83.1 1 38.0 -52.4 304 35 828.3 828.3 327.9 828.6 0.04 65 10 30790 -44.1 -82.1 1 38.0 -52.2 280 31 854.9 855.0 328.5 855.4 0.05 66 8.9 31576 -41.9 -80.9 1 39.0 -51.7 892.4 892.4 329.3 893.1 0.06 67 8.0 32303 -38.5 -77.5 1 39.0 -50.7 933.5 933.6 330.1 934.9 0.12 68 7.3 32930 -39.9 -78.9 1 39.0 -51.7 952.6 952.7 330.4 953.8 0.11 TRP 92 17065 -86.5 -94.5 22 8.0 -86.5 200 18 369.3 369.3 300.4 369.3 0.00 WND 21 25843 -53.1 -88.6 1 35.5 -55.6 90 61 664.4 664.4 323.2 664.4 0.01 Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 562.00 mb = 4948.09 m = 16233.71 ft Wetbulb zero: 633.22 mb = 3977.87 m = 13050.58 ft Precipitable water: 1.83 inches Sfc-500 mean rel hum: 64.53 % Est. max temperature: 31.33 C = 88.40 F Sfc-Lift cond lev (LCL): 986.46 mb = 207.51 m = 680.81 ft T: 24.71 C 700-500 lapse rate: 5.46 C/km ThetaE index: 28.13 C Layer 826.0- 801.0 mb Conv cond level (CCL): 857.88 mb = 1422.59 m = 4667.24 ft Mean mixing ratio: 15.23 g/kg Conv temperature: 31.15 C = 88.07 F Cap Strength: 3.04 C Lifted Index: 0.03 C Risk: Showers probable Lifted Index @300 mb: -0.07 C Lifted Index @700 mb: 0.98 C Showalter Index: 0.08 C Risk: Thunderstorms probable Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 20.80 C K Index: 33.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 220.20 Risk: None Energy Index: -1.70 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 104.36 J/kg Max Up Vert Vel: 14.45 m/s Conv Inhibition (B-): 152.07 J/kg Cap Strength: 3.03 C Lift Cond Lev (LCL): 904.14 mb = 968.14 m = 3176.28 ft Lev Free Conv (LFC): 669.14 mb = 3522.38 m = 11556.23 ft Equ Level (EL): 629.14 mb = 4031.01 m = 13224.95 ft B at Equ Level: 24.04 J/kg Max Parcel Lev (MPL): 229.14 mb = 11544.83 m = 37876.28 ft Wind level data Storm motion: 130 at 7 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 1002 71 140 3 -1.9 2.3 | 303 4 3.2 -2.1 1 1000 88 0 0 -0.0 -0.0 | 310 7 5.2 -4.4 2 975 305 155 10 -4.2 9.1 | 191 5 0.9 4.7 3 942 610 155 6 -2.5 5.4 | 249 3 2.6 1.0 4 925 769 155 9 -3.8 8.2 | 200 4 1.4 3.7 5 910 914 150 11 -5.5 9.5 | 176 5 -0.3 5.1 6 850 1502 75 9 -8.7 -2.3 | 28 8 -3.5 -6.7 7 848 1524 75 9 -8.7 -2.3 | 28 8 -3.5 -6.7 8 789 2134 145 8 -4.6 6.6 | 195 2 0.6 2.1 9 734 2743 85 8 -8.0 -0.7 | 29 6 -2.8 -5.1 10 708 3048 135 3 -2.1 2.1 | 307 4 3.0 -2.3 11 700 3149 165 3 -0.8 2.9 | 289 5 4.4 -1.5 12 683 3353 125 4 -3.3 2.3 | 318 3 1.9 -2.1 13 657 3658 80 7 -6.9 -1.2 | 17 6 -1.7 -5.6 14 610 4267 105 14 -13.5 3.6 | 85 8 -8.4 -0.8 15 525 5486 65 12 -10.9 -5.1 | 31 11 -5.7 -9.5 16 506 5791 65 7 -6.3 -3.0 | 9 7 -1.2 -7.4 17 500 5880 30 9 -4.5 -7.8 | 357 12 0.7 -12.2 18 467 6401 25 6 -2.5 -5.4 | 345 10 2.6 -9.8 19 449 6706 355 11 1.0 -11.0 | 338 17 6.1 -15.4 20 431 7010 360 9 -0.0 -9.0 | 339 14 5.2 -13.4 21 415 7315 70 2 -1.9 -0.7 | 327 6 3.3 -5.1 22 400 7590 340 5 1.7 -4.7 | 323 11 6.9 -9.1 23 398 7620 340 5 1.7 -4.7 | 323 11 6.9 -9.1 24 382 7925 325 5 2.9 -4.1 | 317 12 8.0 -8.5 25 367 8230 245 4 3.6 1.7 | 287 9 8.8 -2.7 26 337 8839 190 9 1.6 8.9 | 237 8 6.7 4.5 27 324 9144 190 13 2.3 12.8 | 221 11 7.4 8.4 28 300 9700 175 18 -1.6 17.9 | 195 14 3.6 13.5 29 250 10960 195 20 5.2 19.3 | 215 18 10.3 14.9 30 250 10973 190 21 3.6 20.7 | 208 19 8.8 16.3 31 208 12192 215 19 10.9 15.6 | 235 20 16.1 11.2 32 200 12440 210 18 9.0 15.6 | 232 18 14.2 11.2 33 180 13106 195 15 3.9 14.5 | 222 14 9.0 10.1 34 163 13716 230 19 14.6 12.2 | 248 21 19.7 7.8 35 150 14240 220 24 15.4 18.4 | 236 25 20.6 14.0 36 133 14935 220 27 17.4 20.7 | 234 28 22.5 16.3 37 126 15240 230 29 22.2 18.6 | 243 31 27.4 14.2 38 114 15850 235 34 27.9 19.5 | 245 36 33.0 15.1 39 108 16154 245 28 25.4 11.8 | 256 31 30.5 7.4 40 100 16600 210 16 8.0 13.9 | 234 16 13.2 9.4 41 92 17065 200 18 6.2 16.9 | 222 17 11.3 12.5 42 70 18580 20 19 -6.5 -17.9 | 3 22 -1.3 -22.3 43 50 20520 80 29 -28.6 -5.0 | 68 25 -23.4 -9.4 44 30 23590 100 54 -53.2 9.4 | 96 48 -48.0 5.0 45 21 25843 90 61 -61.0 0.0 | 85 56 -55.8 -4.4 46 20 26160 95 59 -58.8 5.1 | 91 54 -53.6 0.7 47 10 30790 280 31 30.5 -5.4 | 285 37 35.7 -9.8 Wind Parameters Mean winds (0-6000m): 100.5 at 9.1 knts Storm direction: 130.5 at 6.8 knts Shear (0-3000m) pos: 2.5 neg: 2.5 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): -1.3 deg Storm rel helicity (0-3000m) pos: 14.7 neg: -24.6 tot: -9.9 m^2/s^2 ave: -3.3 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 11.0 stream: 0.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 14.08 Bulk Shear: 7.41 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 ------------------------------------------------------------------------------- 500 155 7 236 3| 3.8 0.0 3.8| 9.5 0.0 9.5 19.1 0.86| 23.9 20.6 1000 151 8 209 3| 1.9 2.7 4.6| 9.5 -7.6 1.9 1.9 0.40| 16.1 6.4 1500 135 8 154 2| 1.3 3.3 4.5| 9.5 -17.4 -7.8 -5.2 0.11| 13.9 1.6 2000 128 8 119 2| 2.9 2.5 5.4| 14.5 -17.4 -2.9 -1.4 0.22| 12.7 2.8 2500 128 8 116 2| 2.3 3.0 5.3| 14.7 -19.4 -4.7 -1.9 0.12| 11.4 1.4 3000 123 8 90 2| 2.5 2.5 5.0| 14.7 -24.6 -9.9 -3.3 0.01| 11.0 0.1 4000 118 8 61 2| 1.7 2.4 4.1| 27.7 -25.5 2.1 0.5 0.13| 10.0 1.3 5000 110 9 65 3| 1.4 2.3 3.7| 33.0 -40.0 -7.1 -1.4 0.08| 9.0 0.7 6000 100 9 54 5| 1.1 1.9 3.1| 33.0 -64.4 -31.4 -5.2 -0.03| 8.6 -0.2 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251204.00.gif