UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101211.upa.cvt Date: 1100Z 12 OCT 25 Searching for SK371... Searching the city database file for: SK371 ... Date:1100Z 12 OCT 25 Station: SK371 WMO ident: 80371 ------------------------------------------------------------------------------- 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 130 SFC 989 227 23.0 1.0 23 22.0 11.5 30 4 297.1 297.8 285.1 309.5 4.15 2 987 245 23.8 23.1 96 0.7 23.3 32 4 298.1 301.4 296.9 351.3 18.32 3 979 316 25.0 22.6 87 2.4 23.3 38 4 300.0 303.2 297.1 352.4 17.91 4 965 443 25.4 21.0 77 4.4 22.2 50 4 301.6 304.6 296.7 350.0 16.44 5 956 526 25.2 19.2 69 6.0 21.0 57 4 302.2 304.9 295.7 345.9 14.80 6 925 816 23.6 20.3 82 3.3 21.2 40 6 303.4 306.5 297.1 352.2 16.42 7 907 988 22.2 20.0 87 2.2 20.6 43 6 303.7 306.8 297.2 352.6 16.44 8 850 1551 18.4 16.1 86 2.3 16.8 345 2 305.4 308.0 295.8 346.3 13.67 9 770 2393 12.8 12.1 96 0.7 12.3 57 7 308.1 310.3 295.1 343.3 11.60 10 700 3190 8.6 7.5 93 1.1 7.9 60 7 312.0 313.8 294.5 340.8 9.34 11 660 3676 6.6 3.8 82 2.8 4.9 53 7 315.1 316.5 294.1 339.0 7.64 12 573 4823 -0.9 -0.9 100 0.0 -0.9 71 10 319.3 320.5 294.1 339.3 6.27 13 517 5638 -6.3 -6.3 100 0.0 -6.3 90 11 322.3 323.2 293.7 337.4 4.62 14 500 5900 -7.3 -9.0 88 1.7 -8.1 85 10 324.1 324.9 293.6 337.0 3.87 15 468 6412 -9.1 -17.1 52 8.0 -12.0 110 10 328.1 328.5 293.2 335.5 2.14 16 464 6479 -9.5 -12.7 77 3.2 -10.8 108 10 328.4 329.0 294.1 339.0 3.11 17 453 6663 -10.3 -18.3 52 8.0 -13.0 104 9 329.7 330.1 293.4 336.6 2.00 18 438 6921 -11.9 -16.6 68 4.7 -13.6 97 7 330.8 331.3 294.1 339.1 2.38 19 432 7026 -12.3 -21.3 47 9.0 -15.2 95 7 331.6 331.9 293.7 337.4 1.62 20 428 7097 -12.9 -17.1 71 4.2 -14.4 94 8 331.7 332.2 294.3 339.9 2.34 21 405 7516 -14.7 -22.7 51 8.0 -17.1 87 12 334.7 335.0 294.4 340.2 1.52 22 400 7610 -15.3 -23.3 50 8.0 -17.7 85 13 335.1 335.4 294.4 340.4 1.46 23 374 8113 -19.5 -25.5 59 6.0 -21.1 85 16 336.0 336.3 294.5 340.7 1.28 24 359 8416 -22.5 -23.9 88 1.4 -22.9 78 18 336.0 336.3 294.7 341.6 1.55 TRP WND Sounding variables and indices 1000-500 mb thick: 5770.00 m Freezing level: 583.44 mb = 4685.64 m = 15372.64 ft Wetbulb zero: 586.63 mb = 4632.56 m = 15198.49 ft Precipitable water: 2.19 inches Sfc-500 mean rel hum: 90.80 % Est. max temperature: 31.67 C = 89.00 F Sfc-Lift cond lev (LCL): 712.85 mb = 3037.84 m = 9966.54 ft T: 9.40 C 700-500 lapse rate: 5.87 C/km ThetaE index: 13.59 C Layer 850.0- 573.0 mb Conv cond level (CCL): 856.01 mb = 1489.87 m = 4887.96 ft Mean mixing ratio: 16.15 g/kg Conv temperature: 31.13 C = 88.03 F Cap Strength: 1.69 C Lifted Index: -4.45 C Risk: Severe thunderstorms probable Lifted Index @700 mb: -2.08 C Showalter Index: -2.98 C Risk: Severe thunderstorms possible Total Totals Index: 49.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 23.40 C K Index: 40.70 Risk: > 80 % chance of thunderstorms Sweat Index: 209.20 Risk: None Energy Index: -1.90 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 691.23 J/kg Max Up Vert Vel: 37.18 m/s Conv Inhibition (B-): 35.77 J/kg Cap Strength: 1.69 C Lift Cond Lev (LCL): 891.28 mb = 1139.69 m = 3739.11 ft Lev Free Conv (LFC): 816.28 mb = 1895.70 m = 6219.40 ft Wind level data Storm motion: 92 at 5 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 ---------------------------------------------------------- 0 989 227 30 4 -2.0 -3.5 | 318 5 3.4 -3.7 1 947 610 65 4 -3.6 -1.7 | 318 3 1.7 -1.9 2 925 816 40 6 -3.9 -4.6 | 343 5 1.5 -4.8 3 915 914 50 6 -4.6 -3.9 | 349 4 0.8 -4.1 4 850 1551 345 2 0.5 -1.9 | 290 6 5.9 -2.1 5 793 2134 40 5 -3.2 -3.8 | 332 5 2.2 -4.0 6 765 2438 60 8 -6.9 -4.0 | 20 4 -1.6 -4.2 7 700 3190 60 7 -6.1 -3.5 | 11 4 -0.7 -3.7 8 612 4267 45 7 -4.9 -4.9 | 355 5 0.4 -5.2 9 590 4572 60 10 -8.7 -5.0 | 32 6 -3.3 -5.2 10 568 4877 75 10 -9.7 -2.6 | 57 5 -4.3 -2.8 11 547 5182 65 10 -9.1 -4.2 | 40 6 -3.7 -4.4 12 526 5486 85 11 -11.0 -1.0 | 78 6 -5.6 -1.2 13 507 5791 95 10 -10.0 0.9 | 98 5 -4.6 0.7 14 500 5900 85 10 -10.0 -0.9 | 77 5 -4.6 -1.1 15 487 6096 85 11 -11.0 -1.0 | 78 6 -5.6 -1.2 16 468 6401 110 10 -9.4 3.4 | 129 5 -4.0 3.2 17 433 7010 95 7 -7.0 0.6 | 104 2 -1.6 0.4 18 400 7610 85 13 -13.0 -1.1 | 80 8 -7.6 -1.3 19 367 8230 85 17 -16.9 -1.5 | 82 12 -11.6 -1.7 20 351 8534 70 20 -18.8 -6.8 | 62 15 -13.4 -7.1 Wind Parameters Mean winds (0-6000m): 62.3 at 7.2 knts Storm direction: 92.3 at 5.4 knts Shear (0-3000m) pos: 1.5 neg: 0.8 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 52.5 deg Storm rel helicity (0-3000m) pos: 12.1 neg: -8.5 tot: 3.6 m^2/s^2 ave: 1.2 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 0.6 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 495.68 Bulk Shear: 1.39 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 50 4 322 4| 2.0 0.0 2.0| 1.1 -0.0 1.1 2.1 0.32| 3.8 1.2 1000 44 5 330 4| 1.0 1.4 2.5| 1.9 -3.8 -1.9 -1.9 -0.10| 4.7 -0.5 1500 39 4 320 4| 0.7 1.3 2.0| 3.5 -7.8 -4.2 -2.8 -0.19| 4.3 -0.8 2000 38 4 321 4| 1.6 1.0 2.6| 9.1 -7.8 1.3 0.7 0.10| 4.4 0.4 2500 45 5 331 4| 1.8 0.8 2.6| 12.1 -8.0 4.2 1.7 0.20| 4.1 0.8 3000 49 5 338 4| 1.5 0.8 2.2| 12.1 -8.5 3.6 1.2 0.17| 3.5 0.6 4000 50 6 345 4| 1.1 0.7 1.8| 12.1 -9.8 2.3 0.6 0.11| 2.9 0.3 5000 54 6 358 4| 1.3 0.6 1.9| 20.8 -11.3 9.6 1.9 0.25| 3.0 0.8 6000 62 7 15 4| 1.3 0.5 1.8| 30.6 -13.0 17.6 2.9 0.33| 3.3 1.1 Wrote GIF file: /home/apache/climate/data/raob//SK371/skewt/SK371.skewt.20251012.11.gif