UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for VO371... Searching the city database file for: VO371 ... Date:0000Z 18 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 73 23.0 21.4 91 1.6 21.9 0 0 296.1 299.0 295.0 342.8 16.23 1 1000 82 23.8 16.8 65 7.0 19.1 130 1 297.0 299.1 292.3 332.0 12.12 2 992 153 26.4 15.4 51 11.0 19.1 103 4 300.2 302.3 292.5 333.0 11.15 3 925 769 22.2 14.2 60 8.0 16.9 65 12 302.0 304.0 293.0 334.7 11.07 4 921 806 21.8 13.8 60 8.0 16.5 66 11 302.0 304.0 292.8 334.0 10.83 5 900 1006 22.2 12.2 53 10.0 15.7 49 7 304.4 306.2 292.9 334.2 9.97 6 850 1497 18.0 10.0 59 8.0 13.0 305 6 305.0 306.7 292.3 332.3 9.11 7 811 1898 15.8 8.8 63 7.0 11.4 283 6 306.8 308.4 292.6 333.4 8.80 8 808 1930 17.8 7.8 52 10.0 11.6 286 6 309.2 310.8 292.9 334.5 8.24 9 799 2026 18.4 5.4 42 13.0 10.7 297 7 310.9 312.2 292.4 332.7 7.05 10 700 3147 11.2 3.2 58 8.0 6.6 85 11 314.9 316.2 293.4 336.6 6.90 11 647 3797 5.8 -1.2 61 7.0 2.1 86 18 315.9 317.0 292.6 333.2 5.42 12 627 4053 6.0 -18.0 16 24.0 -3.0 83 20 319.0 319.3 290.0 324.0 1.48 13 557 5011 0.0 -36.0 5 36.0 -8.7 77 31 322.9 323.0 290.0 324.1 0.32 14 533 5363 -0.5 -34.5 6 34.0 -9.1 83 40 326.4 326.5 291.1 327.8 0.38 15 500 5870 -4.3 -38.3 5 34.0 -11.8 85 41 327.8 327.9 291.4 328.9 0.28 16 471 6336 -8.3 -42.3 5 34.0 -14.7 85 38 328.5 328.5 291.5 329.2 0.20 17 453 6637 -10.1 -45.1 4 35.0 -16.1 85 37 329.9 329.9 291.9 330.5 0.15 18 442 6827 -9.5 -50.5 2 41.0 -15.9 85 36 333.0 333.0 292.6 333.3 0.08 19 400 7590 -14.1 -53.1 2 39.0 -19.4 80 24 336.7 336.7 293.6 336.9 0.07 20 350 8586 -21.7 -39.7 18 18.0 -24.6 74 23 339.5 339.6 294.5 340.9 0.35 21 340 8798 -23.3 -55.3 4 32.0 -26.5 76 22 340.2 340.2 294.4 340.4 0.06 22 317 9306 -27.3 -35.3 47 8.0 -28.7 85 14 341.5 341.6 295.2 343.8 0.60 23 300 9700 -29.9 -38.9 41 9.0 -31.2 100 7 343.2 343.3 295.5 345.0 0.44 24 259 10728 -38.5 -47.5 38 9.0 -39.2 128 10 345.3 345.4 295.8 346.1 0.20 25 250 10970 -40.3 -48.3 42 8.0 -40.9 140 15 346.2 346.2 296.0 346.9 0.19 26 226 11654 -46.1 -52.1 51 6.0 -46.4 181 17 347.4 347.4 296.2 348.0 0.14 27 214 12017 -49.3 -52.7 67 3.4 -49.4 187 19 347.9 347.9 296.3 348.5 0.13 28 209 12173 -50.3 -56.3 49 6.0 -50.5 190 20 348.7 348.7 296.4 349.1 0.09 29 200 12460 -53.1 -59.1 48 6.0 -53.3 195 22 348.7 348.7 296.4 349.0 0.07 30 182 13057 -58.7 -63.7 52 5.0 -58.8 205 18 349.1 349.1 296.5 349.3 0.04 31 169 13516 -62.3 -71.3 29 9.0 -62.4 213 16 350.6 350.6 296.8 350.7 0.01 32 150 14240 -67.9 -77.9 23 10.0 -67.9 225 11 353.1 353.1 297.3 353.1 0.01 33 144 14484 -69.7 -80.7 19 11.0 -69.8 227 11 354.1 354.1 297.5 354.2 0.00 34 129 15130 -73.9 -80.9 33 7.0 -73.9 276 7 357.9 357.9 298.3 357.9 0.00 35 100 16580 -82.7 -89.7 29 7.0 -82.7 180 3 367.9 367.9 300.2 367.9 0.00 36 85 17476 -87.3 -93.3 32 6.0 -87.3 130 26 376.1 376.1 301.6 376.1 0.00 37 76 18093 -82.9 -90.9 24 8.0 -82.9 124 25 397.6 397.6 304.9 397.6 0.00 38 72 18398 -77.9 -88.9 15 11.0 -77.9 121 24 414.4 414.4 307.0 414.4 0.00 39 70 18560 -77.1 -87.1 19 10.0 -77.1 120 24 419.4 419.4 307.6 419.5 0.00 40 59 19537 -80.1 -88.1 25 8.0 -80.1 110 31 433.7 433.7 309.2 433.7 0.00 41 53 20149 -77.1 -88.1 16 11.0 -77.1 103 35 454.2 454.2 311.3 454.2 0.00 42 51 20373 -72.7 -86.7 10 14.0 -72.8 101 36 469.5 469.5 312.6 469.5 0.00 43 50 20490 -71.5 -86.5 9 15.0 -71.6 100 37 475.0 475.0 313.1 475.0 0.00 44 47 20858 -68.7 -85.7 7 17.0 -68.9 99 37 490.2 490.2 314.2 490.2 0.01 45 45 21121 -65.1 -86.1 4 21.0 -65.4 98 37 505.1 505.1 315.3 505.1 0.01 46 42 21542 -65.5 -86.5 4 21.0 -65.8 97 38 514.1 514.1 315.9 514.2 0.01 47 35 22668 -59.1 -88.1 1 29.0 -60.0 93 38 558.4 558.4 318.6 558.4 0.00 48 32 23228 -60.9 -87.9 2 27.0 -61.7 91 39 568.0 568.0 319.0 568.1 0.01 49 30 23630 -60.5 -88.5 1 28.0 -61.4 90 39 579.7 579.7 319.6 579.7 0.01 50 20 26200 -52.9 -87.9 1 35.0 -55.6 100 44 674.3 674.3 323.6 674.3 0.01 51 19 26532 -51.7 -87.7 1 36.0 -54.8 109 43 687.9 687.9 324.0 688.0 0.01 52 16 27653 -49.3 -85.3 1 36.0 -53.6 139 39 730.4 730.4 325.4 730.6 0.02 53 14 28524 -51.9 -87.9 1 36.0 -55.7 162 35 750.1 750.1 326.0 750.1 0.01 54 13 29003 -53.1 -88.1 1 35.0 -56.8 175 33 762.0 762.0 326.3 762.1 0.01 55 13 29003 -53.7 -88.7 1 35.0 -57.2 175 33 759.9 759.9 326.2 760.0 0.01 56 13 29003 -50.5 -86.5 1 36.0 -55.0 175 33 771.0 771.0 326.5 771.1 0.02 57 11 30104 -45.9 -82.9 1 37.0 -52.8 203 29 825.4 825.4 327.8 825.8 0.04 58 10 30740 -44.5 -82.5 1 38.0 -52.4 220 27 853.4 853.5 328.5 853.9 0.04 59 9.3 31224 -46.1 -88.1 0 42.0 -53.6 865.2 865.2 328.7 865.4 0.02 TRP 85 17476 -87.3 -93.3 32 6.0 -87.3 130 26 376.1 376.1 301.6 376.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5788.00 m Freezing level: 557.00 mb = 5010.98 m = 16440.01 ft Wetbulb zero: 638.71 mb = 3902.00 m = 12801.68 ft Precipitable water: 1.30 inches Sfc-500 mean rel hum: 39.07 % Est. max temperature: 31.93 C = 89.47 F Sfc-Lift cond lev (LCL): 978.21 mb = 276.31 m = 906.50 ft T: 25.56 C 700-500 lapse rate: 5.69 C/km ThetaE index: 10.82 C Layer 1000.0- 992.0 mb Conv cond level (CCL): 683.44 mb = 3344.57 m = 10972.86 ft Mean mixing ratio: 11.03 g/kg Conv temperature: 42.16 C = 107.90 F Cap Strength: 7.36 C Lifted Index: 5.11 C Risk: None Lifted Index @300 mb: 7.93 C Lifted Index @700 mb: 5.53 C Showalter Index: 5.82 C Risk: None Total Totals Index: 36.60 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 14.30 C K Index: 24.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 173.00 Risk: None Energy Index: -0.44 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.29 J/kg Max Up Vert Vel: 4.96 m/s Conv Inhibition (B-): 52532.18 J/kg Cap Strength: 7.33 C Lift Cond Lev (LCL): 829.45 mb = 1706.06 m = 5597.24 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 106 at 13 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 73 0 0 -0.0 -0.0 | 286 13 12.4 -3.6 1 1000 82 130 1 -0.8 0.6 | 284 12 11.7 -3.0 2 975 305 45 10 -7.1 -7.1 | 333 12 5.4 -10.7 3 925 769 65 12 -10.9 -5.1 | 350 9 1.6 -8.7 4 910 914 70 9 -8.5 -3.1 | 329 8 4.0 -6.7 5 878 1219 360 3 -0.0 -3.0 | 298 14 12.4 -6.6 6 850 1497 305 6 4.9 -3.4 | 292 19 17.4 -7.1 7 847 1524 305 6 4.9 -3.4 | 292 19 17.4 -7.1 8 817 1829 275 5 5.0 -0.4 | 283 18 17.4 -4.0 9 789 2134 310 8 6.1 -5.1 | 295 21 18.6 -8.8 10 761 2438 290 7 6.6 -2.4 | 288 20 19.0 -6.0 11 734 2743 55 2 -1.6 -1.1 | 294 12 10.8 -4.8 12 708 3048 75 8 -7.7 -2.1 | 320 7 4.7 -5.7 13 700 3147 85 11 -11.0 -1.0 | 342 5 1.5 -4.6 14 682 3353 90 14 -14.0 0.0 | 23 4 -1.6 -3.6 15 565 4877 75 28 -27.0 -7.2 | 53 18 -14.6 -10.9 16 524 5486 85 44 -43.8 -3.8 | 77 32 -31.4 -7.4 17 500 5870 85 41 -40.8 -3.6 | 76 29 -28.4 -7.2 18 415 7315 85 33 -32.9 -2.9 | 72 21 -20.4 -6.5 19 400 7590 80 24 -23.6 -4.2 | 55 14 -11.2 -7.8 20 398 7620 90 26 -26.0 0.0 | 75 14 -13.6 -3.6 21 382 7925 70 29 -27.3 -9.9 | 48 20 -14.8 -13.5 22 367 8230 70 26 -24.4 -8.9 | 44 17 -12.0 -12.5 23 324 9144 80 19 -18.7 -3.3 | 42 9 -6.3 -6.9 24 310 9449 90 8 -8.0 0.0 | 309 6 4.4 -3.6 25 300 9700 100 7 -6.9 1.2 | 293 6 5.5 -2.4 26 285 10058 85 8 -8.0 -0.7 | 314 6 4.5 -4.3 27 273 10363 135 10 -7.1 7.1 | 237 6 5.4 3.5 28 261 10668 125 9 -7.4 5.2 | 253 5 5.1 1.5 29 250 10970 140 15 -9.6 11.5 | 200 8 2.8 7.9 30 239 11278 155 19 -8.0 17.2 | 198 14 4.4 13.6 31 228 11582 180 17 0.0 17.0 | 223 18 12.4 13.4 32 200 12460 195 22 5.7 21.3 | 226 25 18.1 17.6 33 150 14240 225 11 7.8 7.8 | 258 21 20.2 4.2 34 148 14326 210 11 5.5 9.5 | 252 19 17.9 5.9 35 140 14630 245 12 10.9 5.1 | 266 23 23.3 1.5 36 133 14935 280 7 6.9 -1.2 | 284 20 19.3 -4.8 37 113 15850 260 8 7.9 1.4 | 276 20 20.3 -2.2 38 102 16459 235 8 6.6 4.6 | 267 19 19.0 1.0 39 100 16580 180 3 0.0 3.0 | 273 12 12.4 -0.6 40 97 16764 200 5 1.7 4.7 | 266 14 14.1 1.1 41 85 17476 130 26 -19.9 16.7 | 150 15 -7.5 13.1 42 70 18560 120 24 -20.8 12.0 | 135 12 -8.3 8.4 43 50 20490 100 37 -36.4 6.4 | 97 24 -24.0 2.8 44 30 23630 90 39 -39.0 0.0 | 82 27 -26.6 -3.6 45 20 26200 100 44 -43.3 7.6 | 97 31 -30.9 4.0 46 10 30740 220 27 17.4 20.7 | 240 34 29.8 17.1 Wind Parameters Mean winds (0-6000m): 76.2 at 17.3 knts Storm direction: 106.2 at 13.0 knts Shear (0-3000m) pos: 4.0 neg: 2.5 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 38.6 deg Storm rel helicity (0-3000m) pos: 72.5 neg: -61.2 tot: 11.3 m^2/s^2 ave: 3.8 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.84 Bulk Shear: 14.59 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 51 8 325 11| 11.5 0.0 11.5| 23.3 0.0 23.3 46.5 0.65| 15.0 9.7 1000 57 9 330 10| 5.7 3.2 8.9| 26.2 -14.8 11.5 11.5 0.19| 12.7 2.4 1500 47 8 322 11| 3.8 5.0 8.9| 26.2 -38.2 -12.0 -8.0 -0.03| 11.6 -0.4 2000 29 7 318 13| 2.8 3.8 6.6| 39.9 -47.8 -7.9 -4.0 -0.01| 10.1 -0.1 2500 7 7 313 16| 3.2 3.0 6.2| 61.6 -57.6 4.0 1.6 0.05| 9.8 0.5 3000 14 7 313 15| 4.0 2.5 6.5| 72.5 -61.2 11.3 3.8 0.10| 10.1 1.0 4000 60 9 330 9| 3.9 1.3 5.2| 83.1 -61.2 21.9 5.5 0.19| 9.2 1.7 5000 69 12 354 8| 4.0 0.6 4.6|101.5 -62.1 39.4 7.9 0.20| 8.8 1.7 6000 76 17 29 9| 4.2 0.8 5.0|148.7 -66.4 82.3 13.7 0.23| 8.6 2.0 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251218.00.gif