UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 18 OCT 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 ------------------------------------------------------------------------------- 0 1000 40 320 6 SFC 996 76 30.0 25.0 75 5.0 26.2 320 6 303.5 307.3 299.5 364.3 20.41 2 995 85 28.8 24.1 76 4.7 25.3 316 6 302.4 305.9 298.6 359.6 19.33 3 954 457 24.8 22.4 87 2.4 23.0 215 10 302.0 305.3 297.8 355.7 18.16 4 925 728 23.2 19.0 77 4.2 20.2 205 9 303.0 305.8 296.1 347.8 15.12 5 893 1038 21.4 17.3 77 4.1 18.5 171 9 304.2 306.8 295.7 346.1 14.05 6 860 1367 19.0 18.3 96 0.7 18.5 121 8 305.0 307.9 297.0 351.6 15.57 7 850 1469 18.6 18.0 96 0.6 18.2 105 8 305.6 308.5 297.1 351.9 15.46 8 732 2740 11.8 9.3 85 2.5 10.2 106 15 311.5 313.5 295.0 342.6 10.10 9 709 3008 11.0 6.5 74 4.5 8.3 118 17 313.5 315.2 294.4 340.2 8.60 10 702 3091 11.6 5.6 67 6.0 8.0 120 16 315.1 316.6 294.4 340.6 8.15 11 700 3115 12.0 5.0 62 7.0 7.8 120 15 315.8 317.3 294.4 340.4 7.84 12 554 5041 0.0 -3.1 80 3.1 -1.6 99 11 323.4 324.5 294.7 341.4 5.50 13 502 5828 -4.3 -9.3 68 5.0 -6.5 90 14 327.4 328.2 294.3 340.1 3.77 14 500 5860 -4.7 -10.7 63 6.0 -7.3 90 14 327.3 328.0 294.0 338.7 3.38 15 473 6294 -6.7 -22.7 27 16.0 -11.8 96 15 330.1 330.3 293.0 334.7 1.30 16 444 6784 -9.3 -26.3 24 17.0 -14.2 103 16 332.8 333.0 293.4 336.5 1.01 17 440 6853 -9.9 -20.9 40 11.0 -13.5 104 16 332.9 333.3 294.0 338.8 1.64 18 439 6871 -10.1 -18.1 52 8.0 -12.9 104 16 332.9 333.3 294.4 340.3 2.10 19 436 6924 -10.3 -25.3 28 15.0 -14.7 105 16 333.3 333.5 293.7 337.4 1.12 20 405 7486 -14.1 -24.1 42 10.0 -17.0 116 20 335.5 335.7 294.4 340.3 1.35 21 401 7561 -14.5 -20.5 60 6.0 -16.4 119 21 335.9 336.3 295.0 342.6 1.87 22 400 7580 -14.7 -19.7 66 5.0 -16.4 120 21 335.9 336.3 295.0 343.0 2.01 23 397 7637 -14.9 -22.9 50 8.0 -17.3 120 21 336.3 336.7 294.8 341.9 1.53 24 396 7656 -14.9 -25.9 39 11.0 -17.9 120 21 336.6 336.8 294.6 340.9 1.17 25 394 7694 -15.1 -24.1 46 9.0 -17.7 120 21 336.8 337.1 294.8 341.8 1.38 26 393 7713 -15.3 -21.3 60 6.0 -17.2 120 21 336.8 337.2 295.1 343.2 1.78 27 390 7771 -15.3 -28.3 32 13.0 -18.6 120 21 337.5 337.7 294.6 341.1 0.95 28 350 8579 -20.3 -35.3 25 15.0 -23.2 113 23 341.4 341.5 295.1 343.5 0.54 29 300 9700 -28.9 -44.9 20 16.0 -30.8 100 23 344.6 344.7 295.7 345.6 0.23 30 275 10318 -33.5 -50.5 16 17.0 -35.0 105 24 346.7 346.7 296.0 347.2 0.14 31 250 10980 -39.5 -50.5 30 11.0 -40.3 105 19 347.3 347.4 296.2 348.0 0.15 32 247 11062 -40.3 -50.3 33 10.0 -41.0 104 20 347.3 347.4 296.2 348.0 0.15 33 224 11718 -45.5 -61.5 15 16.0 -46.1 96 30 349.2 349.2 296.5 349.4 0.04 34 212 12081 -48.7 -56.7 39 8.0 -49.0 92 31 349.8 349.8 296.7 350.1 0.08 35 202 12396 -51.1 -57.1 49 6.0 -51.3 94 31 350.8 350.9 296.9 351.2 0.08 36 200 12460 -51.7 -58.7 43 7.0 -52.0 95 31 350.9 350.9 296.9 351.2 0.07 37 189 12824 -55.1 -66.1 24 11.0 -55.3 94 31 351.1 351.2 296.9 351.3 0.03 38 159 13906 -64.3 -70.3 44 6.0 -64.4 83 31 353.4 353.4 297.4 353.5 0.02 39 150 14260 -67.5 -73.5 42 6.0 -67.5 70 30 353.8 353.8 297.4 353.9 0.01 40 105 16311 -85.5 -90.0 44 4.5 -85.5 80 41 357.5 357.5 298.2 357.5 0.00 41 100 16580 -83.7 -89.7 34 6.0 -83.7 105 48 366.0 366.0 299.8 366.0 0.00 42 70 18630 -70.1 -86.1 8 16.0 -70.2 50 15 434.4 434.4 309.3 434.4 0.00 43 50 20610 -71.1 -91.1 4 20.0 -71.2 85 15 475.9 475.9 313.1 476.0 0.00 44 30 23720 -62.9 -95.9 0 33.0 -63.6 85 52 573.2 573.2 319.3 573.2 0.00 45 20 26300 -50.7 -86.7 1 36.0 -54.0 100 63 681.0 681.0 323.8 681.1 0.01 46 15 28178 -46.5 -83.8 1 37.2 -52.1 80 71 753.2 753.2 326.0 753.4 0.02 47 10 30890 -40.7 -79.7 1 39.0 -50.6 120 31 867.6 867.7 328.8 868.3 0.07 TRP 105 16311 -85.5 -90.0 44 4.5 -85.5 80 41 357.5 357.5 298.2 357.5 0.00 WND 15 28178 -46.5 -83.8 1 37.2 -52.1 80 71 753.2 753.2 326.0 753.4 0.02 Sounding variables and indices 1000-500 mb thick: 5820.00 m Freezing level: 554.00 mb = 5041.18 m = 16539.12 ft Wetbulb zero: 579.09 mb = 4676.52 m = 15342.72 ft Precipitable water: 2.22 inches Sfc-500 mean rel hum: 78.62 % Est. max temperature: 32.32 C = 90.17 F Sfc-Lift cond lev (LCL): 926.93 mb = 709.73 m = 2328.47 ft T: 23.31 C 700-500 lapse rate: 6.08 C/km ThetaE index: 18.25 C Layer 995.0- 860.0 mb Conv cond level (CCL): 870.96 mb = 1256.61 m = 4122.68 ft Mean mixing ratio: 16.90 g/kg Conv temperature: 31.26 C = 88.27 F Cap Strength: 1.33 C Lifted Index: -2.73 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.03 C Lifted Index @700 mb: 0.67 C Showalter Index: -2.43 C Risk: Severe thunderstorms possible Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 22.70 C K Index: 34.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 246.00 Risk: None Energy Index: -2.59 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 713.38 J/kg Max Up Vert Vel: 37.77 m/s Conv Inhibition (B-): 18.00 J/kg Cap Strength: 1.33 C Lift Cond Lev (LCL): 897.25 mb = 996.31 m = 3268.70 ft Lev Free Conv (LFC): 832.25 mb = 1648.49 m = 5408.36 ft Equ Level (EL): 692.25 mb = 3206.69 m = 10520.50 ft B at Equ Level: 38.68 J/kg Max Parcel Lev (MPL): 92.25 mb = 17043.70 m = 55916.97 ft Wind level data Storm motion: 138 at 8 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 ---------------------------------------------------------- 0 996 76 320 6 3.9 -4.6 | 319 14 9.3 -10.7 1 970 305 220 10 6.4 7.7 | 263 12 11.9 1.6 2 925 728 205 9 3.8 8.2 | 258 10 9.3 2.0 3 906 914 190 9 1.6 8.9 | 249 8 7.0 2.8 4 850 1469 105 8 -7.7 2.1 | 29 5 -2.2 -4.0 5 845 1524 95 8 -8.0 0.7 | 25 6 -2.5 -5.4 6 786 2134 80 10 -9.8 -1.7 | 29 9 -4.4 -7.8 7 706 3048 120 17 -14.7 8.5 | 105 10 -9.2 2.4 8 700 3115 120 15 -13.0 7.5 | 100 8 -7.5 1.4 9 631 3962 100 9 -8.9 1.6 | 37 6 -3.4 -4.5 10 608 4267 75 8 -7.7 -2.1 | 15 8 -2.2 -8.2 11 564 4877 100 11 -10.8 1.9 | 52 7 -5.4 -4.2 12 500 5860 90 14 -14.0 0.0 | 54 10 -8.5 -6.1 13 414 7315 110 17 -16.0 5.8 | 88 11 -10.5 -0.3 14 400 7580 120 21 -18.2 10.5 | 109 13 -12.7 4.4 15 366 8230 120 22 -19.1 11.0 | 110 14 -13.6 4.9 16 324 9144 100 26 -25.6 4.5 | 85 20 -20.1 -1.6 17 300 9700 100 23 -22.7 4.0 | 83 17 -17.2 -2.1 18 298 9754 95 22 -21.9 1.9 | 76 17 -16.4 -4.2 19 285 10058 105 26 -25.1 6.7 | 92 20 -19.6 0.6 20 250 10980 105 19 -18.4 4.9 | 85 13 -12.9 -1.2 21 228 11582 100 29 -28.6 5.0 | 87 23 -23.1 -1.1 22 218 11887 90 31 -31.0 0.0 | 77 26 -25.5 -6.1 23 200 12460 95 31 -30.9 2.7 | 82 26 -25.4 -3.4 24 164 13716 90 32 -32.0 0.0 | 77 27 -26.5 -6.1 25 150 14260 70 30 -28.2 -10.3 | 54 28 -22.7 -16.4 26 141 14630 70 26 -24.4 -8.9 | 52 24 -19.0 -15.0 27 133 14935 75 29 -28.0 -7.5 | 59 26 -22.5 -13.6 28 120 15545 75 34 -32.8 -8.8 | 61 31 -27.4 -14.9 29 105 16311 80 41 -40.4 -7.1 | 69 37 -34.9 -13.2 30 102 16459 80 39 -38.4 -6.8 | 69 35 -32.9 -12.9 31 100 16580 105 48 -46.4 12.4 | 99 41 -40.9 6.3 32 97 16764 100 48 -47.3 8.3 | 93 42 -41.8 2.2 33 70 18630 50 15 -11.5 -9.6 | 21 17 -6.0 -15.8 34 50 20610 85 15 -14.9 -1.3 | 52 12 -9.5 -7.4 35 30 23720 85 52 -51.8 -4.5 | 77 48 -46.3 -10.6 36 20 26300 100 63 -62.0 10.9 | 95 57 -56.6 4.8 37 15 28178 80 71 -69.9 -12.3 | 74 67 -64.4 -18.4 38 10 30890 120 31 -26.8 15.5 | 114 23 -21.4 9.4 Wind Parameters Mean winds (0-6000m): 108.1 at 10.9 knts Storm direction: 138.1 at 8.2 knts Shear (0-3000m) pos: 1.8 neg: 2.4 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 144.1 deg Storm rel helicity (0-3000m) pos: 27.4 neg: -58.6 tot: -31.2 m^2/s^2 ave: -10.4 10^-3 m/s^2 rel: -0.22 Storm rel vorticity (0-3000m) horiz: 8.4 stream: -1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 18.32 Bulk Shear: 38.93 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 ------------------------------------------------------------------------------- 500 227 9 270 12| 0.0 13.1 13.1| 0.0 -51.2 -51.2 -102.4 -0.90| 16.4-14.8 1000 210 9 260 10| 0.0 7.4 7.4| 0.0 -57.0 -57.0 -57.0 -0.75| 11.9 -8.9 1500 188 9 249 7| 0.0 4.5 4.5| 0.0 -58.6 -58.6 -39.0 -0.66| 11.9 -7.8 2000 158 9 226 3| 0.0 3.6 3.6| 0.8 -58.6 -57.8 -28.9 -0.60| 9.6 -5.7 2500 132 9 95 1| 1.0 2.9 3.9| 12.8 -58.6 -45.8 -18.3 -0.40| 8.7 -3.5 3000 126 10 89 3| 1.8 2.4 4.2| 27.4 -58.6 -31.2 -10.4 -0.22| 8.4 -1.9 4000 120 11 79 4| 1.3 1.2 2.6| 27.4 -72.7 -45.3 -11.3 -0.33| 7.6 -2.5 5000 113 10 65 5| 1.4 1.1 2.4| 37.3 -75.9 -38.6 -7.7 -0.24| 6.9 -1.6 6000 108 11 61 6| 1.2 1.1 2.3| 40.0 -75.9 -35.9 -6.0 -0.21| 6.1 -1.3 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251018.12.gif