UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100612.upa.cvt Date: 1200Z 6 OCT 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 6 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 ------------------------------------------------------------------------------- SFC 1001 72 29.8 23.8 70 6.0 25.3 320 8 302.9 306.3 298.5 358.8 18.86 1 1000 81 30.0 23.0 66 7.0 24.9 0 0 303.1 306.5 298.0 356.5 17.96 2 978 280 27.2 22.2 74 5.0 23.6 311 14 302.3 305.5 297.5 354.0 17.48 3 925 774 24.6 18.6 69 6.0 20.4 325 19 304.5 307.2 296.3 348.4 14.74 4 850 1506 19.6 14.8 74 4.8 16.4 335 14 306.7 309.0 295.4 344.4 12.55 5 820 1815 17.6 12.6 72 5.0 14.3 344 15 307.7 309.8 294.7 341.8 11.25 6 760 2463 15.0 3.0 44 12.0 8.2 324 16 311.7 312.9 292.0 331.1 6.26 7 700 3156 10.4 -1.6 43 12.0 4.1 330 16 314.0 314.9 291.5 329.4 4.86 8 682 3372 9.0 -8.0 29 17.0 1.2 335 14 314.8 315.4 290.2 324.7 3.07 9 647 3806 6.0 -9.0 33 15.0 -0.7 346 11 316.2 316.7 290.5 325.9 2.99 10 641 3882 5.2 -3.8 52 9.0 0.7 348 11 316.1 317.0 291.9 330.5 4.51 11 633 3985 5.0 -7.0 41 12.0 -0.6 349 10 317.0 317.7 291.3 328.6 3.57 12 620 4154 3.6 -1.1 71 4.7 1.1 330 6 317.3 318.4 293.2 335.5 5.70 13 587 4595 0.6 -1.9 83 2.5 -0.7 240 7 318.8 319.9 293.6 337.0 5.68 14 575 4761 0.0 -3.8 76 3.8 -1.9 219 7 320.0 321.0 293.4 336.3 5.03 15 562 4944 -1.3 -7.3 64 6.0 -4.1 197 7 320.6 321.3 292.6 333.4 3.93 16 546 5174 -2.3 -6.8 71 4.5 -4.4 169 7 322.0 322.9 293.3 335.9 4.21 17 517 5606 -3.5 -9.5 63 6.0 -6.2 137 6 325.6 326.4 293.7 337.7 3.60 18 500 5870 -5.1 -10.1 68 5.0 -7.3 155 4 326.8 327.5 294.0 338.8 3.55 19 426 7111 -12.9 -17.9 66 5.0 -14.6 111 7 332.2 332.6 294.3 339.9 2.20 20 417 7274 -13.3 -21.3 51 8.0 -15.9 95 6 333.7 334.0 294.3 339.7 1.67 21 400 7590 -15.9 -22.9 55 7.0 -18.0 95 9 334.3 334.6 294.3 339.8 1.52 22 380 7974 -18.7 -22.8 70 4.1 -19.9 77 9 335.6 335.9 294.7 341.4 1.61 23 349 8602 -22.9 -30.9 48 8.0 -24.6 104 14 338.2 338.3 294.6 341.3 0.83 24 325 9120 -27.3 -32.1 64 4.8 -28.2 124 16 339.1 339.2 294.8 342.1 0.80 25 306 9550 -30.9 -38.9 45 8.0 -32.0 103 17 339.9 340.0 294.7 341.6 0.43 26 300 9690 -31.9 -40.9 41 9.0 -33.0 95 17 340.4 340.5 294.7 341.8 0.36 27 285 10050 -35.5 -40.5 60 5.0 -36.1 101 14 340.3 340.4 294.7 341.8 0.39 28 277 10248 -36.9 -43.9 48 7.0 -37.6 106 14 341.1 341.1 294.8 342.2 0.28 29 273 10348 -37.7 -44.7 48 7.0 -38.4 108 14 341.3 341.4 294.9 342.4 0.26 30 270 10424 -38.3 -42.4 65 4.1 -38.7 110 14 341.5 341.6 295.0 342.9 0.34 31 268 10475 -38.5 -41.4 74 2.9 -38.8 111 15 342.0 342.0 295.1 343.5 0.38 32 264 10579 -39.3 -45.3 53 6.0 -39.8 113 15 342.3 342.3 295.1 343.3 0.25 33 250 10950 -41.9 -48.9 46 7.0 -42.4 85 25 343.8 343.8 295.4 344.5 0.18 34 245 11086 -42.9 -51.9 37 9.0 -43.4 85 26 344.3 344.3 295.4 344.8 0.13 35 221 11772 -48.7 -53.2 59 4.5 -48.9 91 36 345.6 345.7 295.8 346.2 0.12 36 200 12420 -54.3 -58.5 60 4.2 -54.4 95 40 346.8 346.8 296.0 347.1 0.07 37 171 13408 -62.5 -67.5 51 5.0 -62.6 100 52 349.1 349.1 296.4 349.2 0.03 38 150 14210 -67.1 -74.1 36 7.0 -67.1 100 69 354.5 354.5 297.6 354.5 0.01 39 110 16027 -78.1 -86.1 26 8.0 -78.1 100 38 366.7 366.7 299.9 366.7 0.00 40 100 16570 -77.9 -86.9 22 9.0 -77.9 85 14 377.2 377.2 301.8 377.2 0.00 41 93 16988 -76.3 -85.3 23 9.0 -76.3 104 16 388.3 388.3 303.5 388.3 0.00 42 89 17240 -78.5 -84.5 37 6.0 -78.5 102 19 388.8 388.8 303.6 388.8 0.00 43 81 17776 -79.7 -86.7 30 7.0 -79.7 100 25 397.0 397.0 304.8 397.0 0.00 44 75 18218 -75.3 -86.3 16 11.0 -75.3 97 30 415.0 415.0 307.1 415.0 0.00 45 70 18620 -73.9 -85.9 14 12.0 -74.0 95 35 426.3 426.3 308.4 426.3 0.00 46 67 18877 -72.3 -83.3 18 11.0 -72.4 95 33 435.1 435.1 309.4 435.2 0.01 47 57 19824 -73.7 -83.7 20 10.0 -73.7 95 28 452.5 452.5 311.1 452.6 0.01 48 50 20600 -68.5 -79.5 19 11.0 -68.7 95 23 482.1 482.1 313.6 482.1 0.01 49 48 20846 -66.7 -78.7 17 12.0 -66.9 95 26 492.0 492.0 314.4 492.1 0.02 50 42 21655 -65.9 -78.9 15 13.0 -66.2 95 36 513.2 513.2 315.9 513.3 0.02 51 40 21954 -62.1 -79.1 9 17.0 -62.6 95 40 529.9 529.9 316.9 530.0 0.02 52 38 22272 -61.1 -80.1 6 19.0 -61.7 95 44 540.3 540.3 317.5 540.4 0.02 53 35 22779 -64.7 -89.7 2 25.0 -65.1 95 50 543.7 543.8 317.8 543.8 0.00 54 31 23519 -65.1 -97.1 0 32.0 -65.6 91 50 561.9 561.9 318.8 561.9 0.00 55 30 23720 -63.5 -96.5 0 33.0 -64.1 90 50 571.5 571.5 319.2 571.5 0.00 56 25 24858 -58.5 -92.5 1 34.0 -59.8 92 61 616.5 616.5 321.3 616.5 0.00 57 23 25391 -52.3 -88.3 1 36.0 -54.9 93 66 649.6 649.6 322.7 649.6 0.01 58 20 26300 -51.5 -87.5 1 36.0 -54.6 95 74 678.5 678.5 323.7 678.6 0.01 59 19 26635 -50.5 -86.5 1 36.0 -53.9 95 75 691.7 691.7 324.1 691.8 0.01 60 18 26987 -52.5 -88.5 1 36.0 -55.5 95 76 696.1 696.1 324.3 696.2 0.01 61 16 27750 -52.5 -88.5 1 36.0 -55.8 95 77 720.0 720.0 325.1 720.1 0.01 62 12 29662 -41.0 -80.1 1 39.1 -49.9 95 82 822.5 822.6 327.8 823.1 0.05 63 11 30259 -37.5 -77.5 1 40.0 -48.7 93 67 855.9 856.0 328.5 856.8 0.09 64 11 30259 -35.1 -75.1 1 40.0 -47.6 93 67 864.6 864.7 328.7 866.0 0.13 65 10 30920 -38.1 -78.1 1 40.0 -49.4 90 51 877.3 877.4 329.0 878.3 0.09 66 8.1 32352 -44.3 -82.3 1 38.0 -53.2 907.2 907.3 329.5 907.8 0.06 67 5.7 34745 -36.9 -76.9 1 40.0 -51.8 1035.6 1035.7 331.8 1038.0 0.19 TRP 35 22779 -64.7 -89.7 2 25.0 -65.1 95 50 543.7 543.8 317.8 543.8 0.00 WND 12 29662 -41.0 -80.1 1 39.1 -49.9 95 82 822.5 822.6 327.8 823.1 0.05 Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 575.00 mb = 4761.02 m = 15619.94 ft Wetbulb zero: 660.43 mb = 3636.85 m = 11931.78 ft Precipitable water: 1.87 inches Sfc-500 mean rel hum: 61.00 % Est. max temperature: 33.59 C = 92.45 F Sfc-Lift cond lev (LCL): 918.08 mb = 838.96 m = 2752.48 ft T: 24.16 C 700-500 lapse rate: 5.71 C/km ThetaE index: 34.11 C Layer 1000.0- 647.0 mb Conv cond level (CCL): 828.67 mb = 1724.60 m = 5658.06 ft Mean mixing ratio: 16.04 g/kg Conv temperature: 34.36 C = 93.85 F Cap Strength: 2.25 C Lifted Index: -2.60 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.20 C Lifted Index @700 mb: -0.52 C Showalter Index: -0.08 C Risk: Thunderstorms probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 19.90 C K Index: 27.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 209.60 Risk: None Energy Index: -1.15 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1266.36 J/kg Max Up Vert Vel: 50.33 m/s Conv Inhibition (B-): 80.73 J/kg Cap Strength: 2.25 C Lift Cond Lev (LCL): 875.32 mb = 1251.89 m = 4107.20 ft Lev Free Conv (LFC): 720.32 mb = 2914.99 m = 9563.51 ft Equ Level (EL): 160.32 mb = 13802.87 m = 45284.46 ft B at Equ Level: 1259.72 J/kg Max Parcel Lev (MPL): 90.32 mb = 17155.52 m = 56283.82 ft Wind level data Storm motion: 355 at 9 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 72 320 8 5.1 -6.1 | 240 5 4.5 2.6 1 1000 81 0 0 -0.0 -0.0 | 175 9 -0.7 8.7 2 975 305 305 16 13.1 -9.2 | 272 12 12.4 -0.5 3 925 774 325 19 10.9 -15.6 | 304 12 10.2 -6.9 4 850 1506 335 14 5.9 -12.7 | 307 7 5.2 -4.0 5 818 1829 345 15 3.9 -14.5 | 331 7 3.2 -5.8 6 735 2743 315 16 11.3 -11.3 | 284 11 10.6 -2.6 7 700 3156 330 16 8.0 -13.9 | 305 9 7.3 -5.1 8 633 3962 350 10 1.7 -9.8 | 317 2 1.0 -1.1 9 610 4267 315 3 2.1 -2.1 | 192 7 1.4 6.6 10 587 4572 240 7 6.1 3.5 | 204 13 5.4 12.2 11 524 5486 130 7 -5.4 4.5 | 155 15 -6.1 13.2 12 500 5870 155 4 -1.7 3.6 | 169 13 -2.4 12.3 13 486 6096 165 2 -0.5 1.9 | 174 11 -1.2 10.6 14 467 6401 50 5 -3.8 -3.2 | 141 7 -4.5 5.5 15 431 7010 120 7 -6.1 3.5 | 151 14 -6.8 12.2 16 415 7315 90 6 -6.0 0.0 | 142 11 -6.7 8.7 17 400 7590 95 9 -9.0 0.8 | 135 14 -9.7 9.5 18 398 7620 105 8 -7.7 2.1 | 142 14 -8.4 10.8 19 382 7925 75 8 -7.7 -2.1 | 128 11 -8.4 6.6 20 366 8230 90 12 -12.0 0.0 | 124 15 -12.7 8.7 21 323 9144 125 16 -13.1 9.2 | 142 23 -13.8 17.9 22 300 9690 95 17 -16.9 1.5 | 120 20 -17.6 10.2 23 297 9754 95 13 -13.0 1.1 | 126 17 -13.6 9.8 24 260 10668 115 15 -13.6 6.3 | 136 21 -14.3 15.0 25 250 10950 85 25 -24.9 -2.2 | 104 26 -25.6 6.5 26 238 11278 85 27 -26.9 -2.4 | 103 28 -27.6 6.4 27 227 11582 90 35 -35.0 0.0 | 104 37 -35.7 8.7 28 200 12420 95 40 -39.8 3.5 | 107 42 -40.5 12.2 29 179 13106 100 47 -46.3 8.2 | 110 50 -47.0 16.9 30 171 13411 100 52 -51.2 9.0 | 109 55 -51.9 17.7 31 155 14021 95 65 -64.8 5.7 | 102 67 -65.4 14.4 32 150 14210 100 69 -68.0 12.0 | 107 72 -68.6 20.7 33 147 14326 100 69 -68.0 12.0 | 107 72 -68.6 20.7 34 119 15545 100 36 -35.5 6.3 | 112 39 -36.1 15.0 35 102 16459 100 40 -39.4 6.9 | 111 43 -40.1 15.7 36 100 16570 85 14 -13.9 -1.2 | 117 16 -14.6 7.5 37 97 16764 105 13 -12.6 3.4 | 132 18 -13.2 12.1 38 70 18620 95 35 -34.9 3.1 | 108 37 -35.6 11.8 39 50 20600 95 23 -22.9 2.0 | 114 26 -23.6 10.7 40 35 22779 95 50 -49.8 4.4 | 105 52 -50.5 13.1 41 30 23720 90 50 -50.0 0.0 | 100 51 -50.7 8.7 42 20 26300 95 74 -73.7 6.4 | 102 76 -74.4 15.2 43 12 29662 95 82 -81.7 7.1 | 101 84 -82.4 15.9 44 10 30920 90 51 -51.0 0.0 | 100 52 -51.7 8.7 Wind Parameters Mean winds (0-6000m): 325.5 at 11.6 knts Storm direction: 355.5 at 8.7 knts Shear (0-3000m) pos: 1.4 neg: 2.2 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 60.4 deg Storm rel helicity (0-3000m) pos: 40.2 neg: -16.2 tot: 24.1 m^2/s^2 ave: 8.0 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 1.8 10^-3/s Energy-Hel index: 0.26 Bulk Rich Number: 760.99 Bulk Shear: 1.66 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 ------------------------------------------------------------------------------- 500 309 13 266 9| 0.0 10.0 10.0| 17.5 -1.9 15.6 31.1 0.45| 18.1 8.2 1000 318 15 287 10| 2.0 5.0 7.0| 28.6 -1.9 26.6 26.6 0.50| 11.8 5.9 1500 323 15 293 9| 2.3 3.3 5.6| 30.0 -1.9 28.1 18.7 0.46| 9.2 4.2 2000 327 15 299 9| 1.7 2.8 4.5| 33.2 -4.9 28.3 14.1 0.41| 7.8 3.2 2500 328 15 299 9| 1.4 2.7 4.0| 33.2 -13.5 19.7 7.9 0.25| 7.2 1.8 3000 326 15 298 9| 1.4 2.2 3.6| 40.2 -16.2 24.1 8.0 0.27| 6.7 1.8 4000 329 15 299 8| 1.6 1.3 2.9| 44.2 -17.4 26.8 6.7 0.18| 6.5 1.2 5000 325 13 286 7| 1.3 1.6 2.8| 48.4 -50.8 -2.4 -0.5 0.01| 7.3 0.1 6000 325 12 279 6| 0.8 1.0 1.7| 62.2 -74.1 -11.9 -2.0 -0.02| 7.0 -0.1 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251006.12.gif