UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101312.upa.cvt Date: 1200Z 13 OCT 25 Searching for SK371... Searching the city database file for: SK371 ... Date:1200Z 13 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 131 SFC 989 228 23.0 0.0 22 23.0 11.2 90 4 297.1 297.8 284.8 308.6 3.86 2 988 237 22.8 22.4 98 0.4 22.5 87 4 297.0 300.1 296.1 347.6 17.52 3 978 325 22.2 22.1 99 0.1 22.2 57 3 297.2 300.4 296.1 347.5 17.37 4 953 552 24.8 18.8 69 6.0 20.6 339 1 302.1 304.7 295.4 344.8 14.48 5 932 748 24.0 19.4 75 4.6 20.8 21 6 303.2 306.0 296.4 348.8 15.39 6 925 814 23.4 20.4 83 3.0 21.2 50 8 303.2 306.3 297.1 352.3 16.53 7 850 1549 18.4 17.6 95 0.8 17.8 50 22 305.4 308.2 296.7 350.5 15.07 8 849 1559 18.4 17.7 96 0.7 17.9 50 22 305.5 308.3 296.8 351.0 15.18 9 763 2470 14.2 8.2 67 6.0 10.4 26 25 310.5 312.2 293.9 338.0 8.98 10 710 3076 10.6 4.6 66 6.0 7.1 46 16 313.0 314.4 293.4 336.3 7.51 11 700 3194 9.4 5.9 79 3.5 7.3 50 14 312.9 314.5 294.0 338.8 8.35 12 603 4416 0.4 0.4 100 0.0 0.4 52 8 316.1 317.4 293.5 336.8 6.55 13 500 5900 -8.5 -8.5 100 0.0 -8.5 15 5 322.7 323.5 293.3 336.0 4.03 14 497 5947 -7.9 -7.9 100 0.0 -7.9 20 5 324.0 324.8 293.8 338.0 4.25 15 487 6104 -9.9 -13.4 76 3.5 -11.2 35 6 323.4 323.9 292.4 332.8 2.79 16 485 6136 -8.7 -8.7 100 0.0 -8.7 35 6 325.3 326.1 294.0 338.9 4.09 17 477 6265 -10.1 -12.4 83 2.3 -11.0 36 6 325.1 325.7 293.2 335.5 3.09 18 468 6412 -10.5 -10.9 97 0.4 -10.6 37 6 326.4 327.1 293.9 338.3 3.56 19 461 6528 -11.3 -14.9 75 3.6 -12.6 38 7 326.8 327.3 293.2 335.7 2.61 20 457 6595 -11.3 -12.6 90 1.3 -11.8 38 7 327.6 328.2 293.9 338.4 3.18 21 455 6629 -10.9 -13.7 80 2.8 -12.0 38 7 328.5 329.1 293.9 338.5 2.92 22 437 6938 -12.7 -17.0 70 4.3 -14.2 41 7 330.0 330.5 293.9 338.0 2.31 23 422 7205 -14.3 -16.7 82 2.4 -15.2 42 7 331.3 331.8 294.3 339.8 2.45 24 418 7277 -14.3 -19.3 66 5.0 -15.9 43 8 332.2 332.6 294.1 339.2 1.99 25 416 7313 -14.7 -17.0 83 2.3 -15.5 43 8 332.1 332.6 294.4 340.6 2.43 26 410 7423 -15.1 -25.1 42 10.0 -17.9 44 8 333.0 333.2 293.7 337.4 1.21 27 400 7610 -16.1 -23.1 55 7.0 -18.1 45 8 334.1 334.4 294.1 339.4 1.49 28 382 7955 -18.1 -24.1 59 6.0 -19.8 143 4 335.9 336.1 294.6 341.0 1.43 29 351 8580 -23.1 -25.9 78 2.8 -23.8 265 2 337.3 337.6 294.8 342.2 1.32 30 300 9710 -31.5 -37.5 55 6.0 -32.4 40 7 341.0 341.1 295.0 342.9 0.51 31 250 10970 -41.9 -48.9 46 7.0 -42.4 65 8 343.8 343.8 295.4 344.5 0.18 32 219 11852 -48.9 -56.9 39 8.0 -49.2 98 11 346.2 346.2 295.8 346.6 0.08 33 200 12440 -54.5 -58.1 64 3.6 -54.6 100 19 346.5 346.5 295.9 346.8 0.07 34 189 12800 -57.7 -60.8 68 3.1 -57.8 102 17 347.0 347.0 296.0 347.2 0.06 35 150 14220 -69.9 -73.8 57 3.9 -69.9 115 27 349.7 349.7 296.5 349.7 0.01 36 137 14752 -74.3 -79.1 47 4.8 -74.3 122 29 351.1 351.1 296.9 351.1 0.01 37 133 14925 -71.9 -77.9 40 6.0 -71.9 125 30 358.4 358.4 298.4 358.4 0.01 38 121 15478 -74.1 -81.1 33 7.0 -74.1 63 16 364.2 364.2 299.5 364.2 0.00 39 100 16570 -80.3 -84.8 47 4.5 -80.3 295 16 372.6 372.6 301.0 372.6 0.00 40 98 16684 -80.5 -85.1 46 4.6 -80.5 295 16 374.4 374.4 301.3 374.4 0.00 41 88 17304 -72.7 -85.7 12 13.0 -72.8 262 18 401.7 401.7 305.5 401.7 0.00 42 82 17718 -72.7 -86.7 10 14.0 -72.8 246 41 409.9 409.9 306.5 409.9 0.00 43 80 17863 -73.5 -87.5 10 14.0 -73.6 253 44 411.1 411.1 306.6 411.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5769.00 m Freezing level: 598.37 mb = 4482.69 m = 14706.81 ft Wetbulb zero: 598.69 mb = 4472.81 m = 14674.38 ft Precipitable water: 2.15 inches Sfc-500 mean rel hum: 87.53 % Est. max temperature: 31.95 C = 89.52 F Sfc-Lift cond lev (LCL): 702.14 mb = 3168.52 m = 10395.28 ft T: 9.66 C 700-500 lapse rate: 6.61 C/km ThetaE index: 14.65 C Layer 763.0- 700.0 mb Conv cond level (CCL): 851.32 mb = 1535.53 m = 5037.76 ft Mean mixing ratio: 15.91 g/kg Conv temperature: 31.27 C = 88.28 F Cap Strength: 2.20 C Lifted Index: -5.12 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -2.46 C Lifted Index @700 mb: -0.87 C Showalter Index: -5.71 C Risk: Severe thunderstorms possible Total Totals Index: 53.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 26.10 C K Index: 41.00 Risk: > 80 % chance of thunderstorms Sweat Index: 340.20 Risk: Showers and thunderstorms possible Energy Index: -2.93 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1064.70 J/kg Max Up Vert Vel: 46.15 m/s Conv Inhibition (B-): 81.29 J/kg Cap Strength: 2.20 C Lift Cond Lev (LCL): 896.38 mb = 1087.18 m = 3566.84 ft Lev Free Conv (LFC): 711.38 mb = 3059.37 m = 10037.17 ft Equ Level (EL): 161.38 mb = 13770.77 m = 45179.13 ft B at Equ Level: 1061.37 J/kg Max Parcel Lev (MPL): 91.38 mb = 17086.66 m = 56057.90 ft Wind level data Storm motion: 69 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 ---------------------------------------------------------- 0 989 228 90 4 -4.0 0.0 | 235 6 4.8 3.4 1 947 610 320 1 0.6 -0.8 | 255 10 9.4 2.6 2 925 814 50 8 -6.1 -5.1 | 304 3 2.6 -1.8 3 914 914 45 15 -10.6 -10.6 | 14 7 -1.9 -7.2 4 852 1524 50 21 -16.1 -13.5 | 36 13 -7.3 -10.1 5 850 1549 50 22 -16.9 -14.1 | 37 13 -8.1 -10.8 6 793 2134 35 23 -13.2 -18.8 | 16 16 -4.4 -15.5 7 765 2438 25 25 -10.6 -22.7 | 5 19 -1.8 -19.3 8 700 3194 50 14 -10.7 -9.0 | 19 6 -2.0 -5.6 9 686 3353 55 14 -11.5 -8.0 | 30 5 -2.7 -4.7 10 661 3658 55 10 -8.2 -5.7 | 347 2 0.6 -2.4 11 636 3962 55 6 -4.9 -3.4 | 271 4 3.8 -0.1 12 613 4267 60 7 -6.1 -3.5 | 273 3 2.7 -0.1 13 568 4877 20 11 -3.8 -10.3 | 324 9 5.0 -7.0 14 500 5900 15 5 -1.3 -4.8 | 281 8 7.5 -1.5 15 487 6096 35 6 -3.4 -4.9 | 286 6 5.3 -1.6 16 400 7610 45 8 -5.7 -5.7 | 307 4 3.1 -2.3 17 367 8230 225 1 0.7 0.7 | 247 10 9.5 4.1 18 300 9710 40 7 -4.5 -5.4 | 295 5 4.3 -2.0 19 250 10970 65 8 -7.3 -3.4 | 271 2 1.5 -0.0 20 228 11582 60 10 -8.7 -5.0 | 357 2 0.1 -1.6 21 218 11887 105 11 -10.6 2.8 | 163 6 -1.9 6.2 22 200 12440 100 19 -18.7 3.3 | 124 12 -10.0 6.7 23 198 12497 110 17 -16.0 5.8 | 142 12 -7.2 9.2 24 171 13411 85 18 -17.9 -1.6 | 101 9 -9.2 1.8 25 163 13716 110 25 -23.5 8.6 | 129 19 -14.7 11.9 26 150 14220 115 27 -24.5 11.4 | 133 22 -15.7 14.8 27 133 14935 125 30 -24.6 17.2 | 142 26 -15.8 20.6 28 126 15240 100 16 -15.8 2.8 | 131 9 -7.0 6.1 29 119 15545 50 16 -12.3 -10.3 | 27 8 -3.5 -6.9 30 113 15850 30 10 -5.0 -8.7 | 325 6 3.8 -5.3 31 107 16154 355 6 0.5 -6.0 | 286 10 9.3 -2.6 32 102 16459 280 15 14.8 -2.6 | 268 24 23.5 0.8 33 100 16570 295 16 14.5 -6.8 | 278 23 23.3 -3.4 34 97 16764 295 16 14.5 -6.8 | 278 23 23.3 -3.4 35 91 17069 270 6 6.0 -0.0 | 257 15 14.8 3.4 36 82 17678 245 42 38.1 17.7 | 246 51 46.8 21.1 37 77 17983 265 47 46.8 4.1 | 262 56 55.6 7.5 Wind Parameters Mean winds (0-6000m): 39.0 at 12.5 knts Storm direction: 69.0 at 9.4 knts Shear (0-3000m) pos: 2.0 neg: 2.3 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 146.8 deg Storm rel helicity (0-3000m) pos: 44.6 neg: -36.2 tot: 8.4 m^2/s^2 ave: 2.8 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 2.3 10^-3/s Energy-Hel index: 0.21 Bulk Rich Number: 80.60 Bulk Shear: 13.21 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 54 3 255 7| 0.0 5.9 5.9| 13.0 -1.3 11.7 23.3 0.59| 10.4 6.2 1000 49 8 308 3| 7.3 3.0 10.3| 26.6 -1.3 25.3 25.3 0.65| 13.3 8.6 1500 49 12 6 5| 4.9 2.9 7.8| 31.6 -6.5 25.1 16.8 0.54| 10.8 5.8 2000 45 15 14 8| 3.7 3.4 7.1| 31.6 -25.7 5.9 3.0 0.33| 9.5 3.2 2500 40 17 12 10| 2.5 2.7 5.3| 40.3 -36.2 4.1 1.6 0.27| 9.4 2.5 3000 40 17 12 10| 2.0 2.3 4.2| 44.6 -36.2 8.4 2.8 0.25| 9.3 2.3 4000 42 15 10 8| 1.4 1.7 3.1| 45.7 -40.7 5.0 1.2 0.13| 8.1 1.1 5000 41 14 2 7| 1.1 2.0 3.1| 48.6 -45.0 3.6 0.7 0.13| 7.5 1.0 6000 39 13 352 6| 1.1 1.5 2.6| 49.6 -52.6 -3.0 -0.5 0.08| 6.7 0.5 Wrote GIF file: /home/apache/climate/data/raob//SK371/skewt/SK371.skewt.20251013.12.gif