UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for OI738... Searching the city database file for: OI738 ... Date:1200Z 17 OCT 25 Station: OI738 WMO ident: 40738 ------------------------------------------------------------------------------- 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 1022 -9 25.0 17.0 61 8.0 19.6 240 10 296.3 298.5 292.0 330.9 12.01 1 1010 94 23.8 14.8 57 9.0 17.9 243 11 296.1 298.0 290.7 326.5 10.53 2 1000 180 22.8 14.8 61 8.0 17.6 245 11 296.0 297.9 290.7 326.6 10.64 3 925 852 16.6 12.4 76 4.2 14.0 270 8 296.3 298.1 290.2 324.7 9.82 4 850 1567 11.0 8.0 82 3.0 9.2 20 2 297.7 299.1 289.0 320.9 7.94 5 823 1836 9.6 6.7 82 2.9 7.9 357 4 298.9 300.3 289.0 321.0 7.50 6 815 1917 9.8 6.5 80 3.3 7.9 350 5 300.0 301.4 289.4 322.1 7.47 7 768 2407 5.6 3.9 89 1.7 4.6 307 9 300.6 301.8 288.8 320.2 6.60 8 761 2483 12.2 2.2 50 10.0 6.7 300 10 308.5 309.6 290.7 326.7 5.90 9 743 2684 12.2 -0.8 41 13.0 5.4 283 12 310.7 311.6 290.5 325.8 4.86 10 700 3179 7.4 -8.6 31 16.0 0.3 240 16 310.7 311.2 288.6 319.8 2.85 11 516 5599 -10.3 -35.3 11 25.0 -15.3 267 23 317.6 317.7 288.4 318.9 0.37 12 500 5840 -12.5 -34.5 14 22.0 -16.8 270 24 317.8 317.9 288.5 319.3 0.41 13 400 7510 -23.7 -46.7 10 23.0 -26.3 265 47 324.2 324.2 290.2 324.7 0.14 14 300 9550 -39.7 -45.7 53 6.0 -40.1 270 69 329.4 329.5 291.7 330.2 0.21 15 250 10770 -49.5 -54.4 56 4.9 -49.7 265 84 332.5 332.5 292.5 332.9 0.09 16 245 10903 -50.1 -54.9 57 4.8 -50.3 264 85 333.5 333.5 292.7 333.9 0.09 17 207 11999 -54.7 -64.7 28 10.0 -54.9 260 90 342.8 342.8 295.0 342.9 0.03 18 205 12061 -54.8 -65.1 27 10.3 -55.0 260 90 343.5 343.5 295.2 343.7 0.03 19 200 12220 -55.1 -66.1 24 11.0 -55.3 260 87 345.5 345.5 295.7 345.6 0.03 20 196 12349 -54.7 -66.7 21 12.0 -54.9 260 86 348.2 348.2 296.3 348.3 0.02 21 190 12547 -54.3 -67.3 19 13.0 -54.6 260 85 351.9 351.9 297.1 352.0 0.02 22 150 14040 -59.9 -75.9 11 16.0 -60.1 260 78 366.9 366.9 300.0 366.9 0.01 23 131 14876 -64.9 -80.9 9 16.0 -65.0 265 69 372.4 372.4 301.0 372.4 0.00 24 129 14970 -64.5 -80.5 9 16.0 -64.6 264 68 374.8 374.8 301.4 374.8 0.00 25 125 15163 -63.1 -79.1 10 16.0 -63.3 261 65 380.7 380.7 302.3 380.7 0.01 26 115 15674 -64.7 -81.7 8 17.0 -64.8 253 57 386.9 386.9 303.3 387.0 0.00 27 112 15835 -64.1 -81.1 8 17.0 -64.3 250 54 391.0 391.0 303.9 391.0 0.00 28 110 15945 -64.9 -81.9 8 17.0 -65.0 249 53 391.5 391.5 304.0 391.5 0.00 29 105 16231 -62.3 -79.3 9 17.0 -62.5 245 49 401.7 401.7 305.5 401.7 0.01 30 103 16349 -63.5 -80.5 8 17.0 -63.7 243 47 401.6 401.6 305.4 401.7 0.01 31 100 16530 -64.9 -81.9 8 17.0 -65.0 240 44 402.3 402.3 305.5 402.4 0.00 32 95 16843 -65.9 -82.9 8 17.0 -66.0 240 41 406.3 406.3 306.0 406.3 0.00 33 93 16973 -65.7 -83.7 6 18.0 -65.8 240 40 409.2 409.2 306.4 409.2 0.00 34 92 17039 -65.5 -82.5 8 17.0 -65.7 240 39 410.9 410.9 306.6 410.9 0.00 35 70 18690 -69.5 -86.5 7 17.0 -69.6 240 24 435.7 435.7 309.4 435.7 0.00 36 50 20740 -63.1 -84.1 4 21.0 -63.5 305 11 494.8 494.8 314.6 494.8 0.01 37 30 23930 -56.3 -83.3 2 27.0 -57.7 260 18 591.2 591.2 320.2 591.2 0.01 38 20 26540 -53.9 -80.9 2 27.0 -56.3 280 26 671.2 671.2 323.4 671.4 0.03 TRP 131 14876 -64.9 -80.9 9 16.0 -65.0 265 69 372.4 372.4 301.0 372.4 0.00 WND 205 12061 -54.8 -65.1 27 10.3 -55.0 260 90 343.5 343.5 295.2 343.7 0.03 Sounding variables and indices 1000-500 mb thick: 5660.00 m Freezing level: 623.07 mb = 4190.80 m = 13749.17 ft Wetbulb zero: 696.31 mb = 3220.96 m = 10567.34 ft Precipitable water: 1.17 inches Sfc-500 mean rel hum: 45.31 % Est. max temperature: 25.97 C = 78.74 F Sfc-Lift cond lev (LCL): 909.08 mb = 998.83 m = 3276.95 ft T: 15.45 C 700-500 lapse rate: 7.48 C/km ThetaE index: 7.78 C Layer 743.0- 500.0 mb Conv cond level (CCL): 865.67 mb = 1412.50 m = 4634.12 ft Mean mixing ratio: 10.37 g/kg Conv temperature: 26.08 C = 78.95 F Cap Strength: 6.73 C Lifted Index: 0.66 C Risk: Showers probable Lifted Index @300 mb: 3.11 C Lifted Index @700 mb: 4.51 C Showalter Index: 3.42 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 20.50 C K Index: 15.50 Risk: < 20 % chance of thunderstorms Sweat Index: 124.00 Risk: None Energy Index: -0.19 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.97 J/kg Max Up Vert Vel: 3.73 m/s Conv Inhibition (B-): 12.58 J/kg Cap Strength: 6.71 C Lift Cond Lev (LCL): 881.71 mb = 1257.25 m = 4124.79 ft Lev Free Conv (LFC): 846.71 mb = 1599.25 m = 5246.83 ft Equ Level (EL): 816.71 mb = 1899.55 m = 6232.05 ft B at Equ Level: 0.30 J/kg Max Parcel Lev (MPL): 806.71 mb = 2001.32 m = 6565.94 ft Wind level data Storm motion: 287 at 11 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 1022 -9 240 10 8.7 5.0 | 170 8 -1.4 8.1 1 1000 180 245 11 10.0 4.6 | 179 8 -0.1 7.7 2 925 852 270 8 8.0 -0.0 | 146 4 -2.1 3.1 3 850 1567 20 2 -0.7 -1.9 | 96 11 -10.8 1.2 4 700 3179 240 16 13.9 8.0 | 199 12 3.8 11.1 5 500 5840 270 24 24.0 -0.0 | 257 14 13.9 3.1 6 400 7510 265 47 46.8 4.1 | 259 37 36.7 7.2 7 300 9550 270 69 69.0 -0.0 | 267 59 58.9 3.1 8 250 10770 265 84 83.7 7.3 | 262 74 73.6 10.4 9 205 12061 260 90 88.6 15.6 | 257 81 78.5 18.7 10 200 12220 260 87 85.7 15.1 | 256 78 75.6 18.2 11 150 14040 260 78 76.8 13.5 | 256 69 66.7 16.6 12 131 14876 265 69 68.7 6.0 | 261 59 58.6 9.1 13 100 16530 240 44 38.1 22.0 | 228 38 28.0 25.1 14 70 18690 240 24 20.8 12.0 | 215 18 10.7 15.1 15 50 20740 305 11 9.0 -6.3 | 19 3 -1.1 -3.2 16 30 23930 260 18 17.7 3.1 | 231 10 7.6 6.2 17 20 26540 280 26 25.6 -4.5 | 275 16 15.5 -1.4 Wind Parameters Mean winds (0-6000m): 257.0 at 14.1 knts Storm direction: 287.0 at 10.6 knts Shear (0-3000m) pos: 2.0 neg: 2.7 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 40.9 deg Storm rel helicity (0-3000m) pos: 8.3 neg: -26.4 tot: -18.1 m^2/s^2 ave: -6.0 10^-3 m/s^2 rel: -0.41 Storm rel vorticity (0-3000m) horiz: 6.9 stream: -2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.95 Bulk Shear: 2.36 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 ------------------------------------------------------------------------------- 500 247 10 176 7| 2.9 0.0 2.9| 2.6 -1.3 1.4 2.7 0.13| 3.9 0.5 1000 255 9 170 6| 4.0 0.0 4.0| 2.6 -6.1 -3.5 -3.5 -0.46| 4.9 -2.2 1500 261 8 151 5| 4.1 0.0 4.1| 6.9 -7.9 -1.0 -0.7 -0.24| 5.9 -1.4 2000 268 7 135 5| 3.0 0.9 3.9| 8.3 -17.5 -9.3 -4.6 -0.33| 5.6 -1.9 2500 276 7 128 4| 2.4 1.9 4.4| 8.3 -23.1 -14.8 -5.9 -0.37| 6.0 -2.2 3000 262 8 151 5| 2.0 2.7 4.7| 8.3 -26.4 -18.1 -6.0 -0.41| 6.9 -2.8 4000 249 10 174 7| 1.4 2.4 3.8| 19.6 -31.4 -11.8 -3.0 -0.31| 6.2 -1.9 5000 252 12 191 7| 1.2 1.9 3.1| 35.5 -31.4 4.1 0.8 -0.19| 5.5 -1.0 6000 257 14 210 7| 1.3 1.6 2.9| 52.2 -31.4 20.8 3.5 -0.09| 5.1 -0.5 Wrote GIF file: /home/apache/climate/data/raob//OI738/skewt/OI738.skewt.20251017.12.gif