UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100923.upa.cvt Date: 2300Z 9 OCT 25 Searching for Y4155... Searching the city database file for: Y4155 ... Date:2300Z 9 OCT 25 Station: Y4155 WMO ident: 94155 ------------------------------------------------------------------------------- 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 1004 105 29.4 23.4 70 6.0 25.0 60 2 302.2 305.6 298.0 356.4 18.34 1 1000 140 27.2 23.1 78 4.1 24.2 65 4 300.4 303.7 297.4 353.4 18.07 2 998 158 27.0 22.9 78 4.1 24.0 66 4 300.3 303.6 297.3 352.8 17.89 3 945 639 22.8 21.2 91 1.6 21.6 79 11 300.8 303.9 296.8 350.7 17.01 4 925 826 21.6 19.7 89 1.9 20.3 75 15 301.4 304.3 296.2 347.9 15.81 5 907 996 20.0 19.7 98 0.3 19.8 72 17 301.4 304.4 296.4 348.9 16.13 6 900 1063 19.6 19.0 96 0.6 19.2 74 18 301.7 304.6 296.1 347.5 15.55 7 896 1102 20.8 16.3 75 4.5 17.7 75 19 303.3 305.8 294.8 342.3 13.12 8 877 1288 20.4 13.4 64 7.0 15.8 79 23 304.8 306.8 293.8 337.9 11.08 9 850 1558 20.0 11.0 56 9.0 14.2 85 27 307.1 308.9 293.4 336.6 9.74 10 818 1888 19.0 7.0 46 12.0 11.7 85 24 309.4 310.9 292.6 333.1 7.70 11 795 2133 17.6 4.6 42 13.0 10.0 85 21 310.5 311.7 292.0 331.2 6.70 12 700 3209 11.4 2.4 54 9.0 6.3 115 19 315.1 316.4 293.2 335.6 6.51 13 684 3402 10.0 3.0 62 7.0 5.9 115 18 315.6 317.0 293.7 337.6 6.96 14 672 3549 9.2 -2.8 43 12.0 3.0 115 17 316.3 317.2 292.0 331.2 4.63 15 638 3976 5.4 0.4 70 5.0 2.7 85 12 316.8 317.9 293.4 336.4 6.19 16 616 4262 3.2 -4.8 56 8.0 -0.7 90 13 317.4 318.3 292.1 331.4 4.35 17 611 4328 3.4 -20.6 15 24.0 -4.8 93 13 318.4 318.6 289.5 322.5 1.21 18 584 4694 1.4 -31.6 6 33.0 -7.4 103 16 320.2 320.3 289.3 321.9 0.47 19 579 4763 0.8 -17.2 25 18.0 -5.8 99 16 320.3 320.6 290.6 326.1 1.71 20 551 5161 -0.9 -31.9 7 31.0 -8.9 72 15 322.8 322.9 290.2 324.6 0.48 21 547 5219 -1.3 -11.3 46 10.0 -5.5 70 15 323.0 323.6 292.5 332.9 2.95 22 532 5440 -2.3 -21.3 22 19.0 -8.6 72 15 324.4 324.7 291.5 329.0 1.31 23 528 5500 -2.9 -12.9 46 10.0 -7.0 72 15 324.4 324.9 292.6 333.5 2.68 24 510 5774 -5.1 -12.1 58 7.0 -8.0 74 14 325.0 325.6 293.0 335.0 2.96 25 502 5899 -5.9 -16.9 41 11.0 -9.9 75 14 325.5 325.9 292.4 332.4 2.03 26 500 5930 -6.1 -16.1 45 10.0 -9.8 75 14 325.6 326.0 292.6 333.0 2.18 27 493 6040 -6.7 -12.7 62 6.0 -9.1 78 13 326.2 326.8 293.3 336.1 2.92 28 487 6136 -7.3 -21.3 32 14.0 -11.8 79 13 326.6 326.9 292.2 331.6 1.43 29 470 6412 -8.9 -18.9 44 10.0 -12.3 73 12 327.9 328.3 292.9 334.3 1.83 30 468 6445 -9.3 -14.0 69 4.7 -11.1 73 12 327.8 328.4 293.6 337.3 2.77 31 460 6578 -10.1 -19.1 48 9.0 -13.1 70 12 328.5 328.8 293.0 334.9 1.84 32 430 7093 -14.9 -18.2 76 3.3 -16.0 62 11 328.8 329.2 293.3 336.1 2.12 33 422 7235 -14.9 -30.9 24 16.0 -18.6 67 12 330.5 330.7 292.6 333.1 0.69 34 417 7326 -15.3 -33.3 20 18.0 -19.1 72 13 331.1 331.2 292.6 333.2 0.55 35 411 7435 -15.1 -42.1 8 27.0 -19.7 108 12 332.8 332.8 292.7 333.7 0.23 36 400 7640 -16.1 -42.1 9 26.0 -20.4 155 10 334.1 334.1 293.0 335.0 0.24 37 362 8385 -19.1 -56.1 2 37.0 -23.3 125 15 339.7 339.7 294.3 339.9 0.05 38 300 9750 -29.7 -51.7 10 22.0 -31.7 135 18 343.5 343.5 295.3 344.0 0.11 39 276 10338 -35.3 -56.3 10 21.0 -36.7 139 21 343.7 343.7 295.3 344.0 0.07 40 254 10912 -40.1 -48.1 42 8.0 -40.7 107 12 344.9 344.9 295.7 345.7 0.19 41 250 11020 -40.9 -45.7 60 4.8 -41.3 100 10 345.3 345.3 295.8 346.3 0.26 42 246 11129 -41.7 -45.8 64 4.1 -42.1 100 10 345.7 345.7 295.9 346.7 0.26 43 233 11495 -43.9 -53.9 32 10.0 -44.5 124 10 347.7 347.8 296.3 348.2 0.11 44 228 11640 -44.9 -52.9 40 8.0 -45.3 135 10 348.4 348.4 296.4 348.9 0.12 45 200 12500 -52.3 -58.3 48 6.0 -52.5 140 19 349.9 350.0 296.7 350.3 0.07 46 177 13277 -59.3 -62.7 65 3.4 -59.4 147 21 350.9 350.9 296.9 351.1 0.05 47 169 13565 -61.9 -68.9 39 7.0 -62.0 150 22 351.3 351.3 296.9 351.3 0.02 48 150 14290 -68.7 -73.7 48 5.0 -68.7 145 17 351.7 351.7 297.0 351.8 0.01 49 139 14743 -72.7 -78.7 40 6.0 -72.7 128 13 352.5 352.5 297.2 352.5 0.01 50 118 15689 -80.3 -86.3 36 6.0 -80.3 81 16 355.4 355.4 297.8 355.4 0.00 51 112 15983 -82.1 -88.1 35 6.0 -82.1 95 29 357.3 357.3 298.2 357.3 0.00 52 100 16620 -81.1 -87.1 36 6.0 -81.1 80 28 371.0 371.0 300.8 371.0 0.00 53 96 16852 -76.9 -84.9 27 8.0 -76.9 82 31 383.6 383.6 302.8 383.6 0.00 54 75 18272 -77.3 -88.3 16 11.0 -77.3 112 29 410.8 410.8 306.6 410.8 0.00 55 70 18670 -75.1 -89.1 10 14.0 -75.2 120 28 423.7 423.7 308.2 423.7 0.00 56 58 19784 -66.9 -90.9 2 24.0 -67.1 117 21 465.6 465.6 312.3 465.7 0.00 57 55 20104 -68.5 -91.5 2 23.0 -68.7 116 19 469.1 469.1 312.5 469.1 0.00 58 50 20680 -65.1 -92.1 1 27.0 -65.4 115 15 490.1 490.1 314.2 490.1 0.00 59 49 20803 -64.7 -91.7 1 27.0 -65.0 113 16 493.9 493.9 314.5 493.9 0.00 60 44 21455 -66.7 -92.7 1 26.0 -67.0 105 23 504.4 504.4 315.2 504.4 0.00 61 35 22847 -63.3 -93.3 1 30.0 -63.8 87 38 547.4 547.4 317.9 547.4 0.00 62 32 23394 -65.7 -92.7 1 27.0 -66.1 80 44 555.2 555.2 318.4 555.2 0.00 63 30 23790 -61.1 -92.1 1 31.0 -61.9 75 48 578.1 578.1 319.6 578.1 0.00 64 25 24939 -55.5 -91.5 0 36.0 -57.3 84 44 625.1 625.1 321.7 625.1 0.00 65 20 26370 -53.3 -90.3 0 37.0 -55.9 95 39 673.0 673.0 323.5 673.1 0.01 66 19 26701 -52.7 -89.7 0 37.0 -55.6 684.8 684.8 323.9 684.9 0.01 67 15 28229 -52.1 -89.1 0 37.0 -55.7 734.7 734.7 325.5 734.8 0.01 TRP 112 15983 -82.1 -88.1 35 6.0 -82.1 95 29 357.3 357.3 298.2 357.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 565.82 mb = 4950.40 m = 16241.27 ft Wetbulb zero: 620.80 mb = 4199.02 m = 13776.13 ft Precipitable water: 1.68 inches Sfc-500 mean rel hum: 51.52 % Est. max temperature: 33.95 C = 93.11 F Sfc-Lift cond lev (LCL): 920.75 mb = 865.92 m = 2840.91 ft T: 21.23 C 700-500 lapse rate: 6.43 C/km ThetaE index: 17.76 C Layer 900.0- 700.0 mb Conv cond level (CCL): 914.03 mb = 929.43 m = 3049.27 ft Mean mixing ratio: 16.95 g/kg Conv temperature: 28.63 C = 83.53 F Cap Strength: 2.46 C Lifted Index: -3.42 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.71 C Lifted Index @700 mb: 0.60 C Showalter Index: 2.14 C Risk: Showers probable Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 26.10 C Cross Totals Index: 17.10 C K Index: 28.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 200.00 Risk: None Energy Index: -0.60 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 780.64 J/kg Max Up Vert Vel: 39.51 m/s Conv Inhibition (B-): 3.10 J/kg Cap Strength: 2.40 C Lift Cond Lev (LCL): 921.78 mb = 856.25 m = 2809.20 ft Lev Free Conv (LFC): 906.78 mb = 998.50 m = 3275.87 ft Equ Level (EL): 896.78 mb = 1094.35 m = 3590.35 ft B at Equ Level: 4.68 J/kg Max Parcel Lev (MPL): 876.78 mb = 1289.72 m = 4231.30 ft Wind level data Storm motion: 120 at 12 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 1004 105 60 2 -1.7 -1.0 | 308 11 9.0 -7.1 1 1000 140 65 4 -3.6 -1.7 | 318 11 7.1 -7.8 2 948 610 80 10 -9.8 -1.7 | 354 8 0.9 -7.9 3 925 826 75 15 -14.5 -3.9 | 21 11 -3.7 -10.0 4 916 914 70 15 -14.1 -5.1 | 17 12 -3.4 -11.3 5 853 1524 85 28 -27.9 -2.4 | 63 19 -17.2 -8.6 6 850 1558 85 27 -26.9 -2.4 | 62 18 -16.2 -8.5 7 794 2134 85 21 -20.9 -1.8 | 52 13 -10.2 -8.0 8 766 2438 85 19 -18.9 -1.7 | 46 11 -8.2 -7.8 9 739 2743 110 19 -17.9 6.5 | 93 7 -7.1 0.4 10 700 3209 115 19 -17.2 8.0 | 106 7 -6.5 1.9 11 662 3658 115 16 -14.5 6.8 | 100 4 -3.8 0.6 12 638 3962 85 12 -12.0 -1.0 | 10 7 -1.2 -7.2 13 614 4267 90 13 -13.0 0.0 | 20 7 -2.3 -6.1 14 591 4572 110 16 -15.0 5.5 | 81 4 -4.3 -0.6 15 548 5182 70 15 -14.1 -5.1 | 17 12 -3.4 -11.3 16 500 5930 75 14 -13.5 -3.6 | 16 10 -2.8 -9.7 17 489 6096 80 13 -12.8 -2.3 | 14 9 -2.1 -8.4 18 434 7010 60 11 -9.5 -5.5 | 354 12 1.2 -11.6 19 417 7315 70 13 -12.2 -4.4 | 8 11 -1.5 -10.6 20 401 7620 170 10 -1.7 9.8 | 248 10 9.0 3.7 21 400 7640 155 10 -4.2 9.1 | 246 7 6.5 2.9 22 369 8230 120 15 -13.0 7.5 | 122 3 -2.3 1.4 23 326 9144 150 13 -6.5 11.3 | 220 7 4.2 5.1 24 300 9750 135 18 -12.7 12.7 | 163 7 -2.0 6.6 25 300 9754 130 16 -12.3 10.3 | 160 4 -1.5 4.2 26 275 10363 140 21 -13.5 16.1 | 165 10 -2.8 10.0 27 250 11020 100 10 -9.8 1.7 | 349 4 0.9 -4.4 28 240 11278 100 11 -10.8 1.9 | 1 4 -0.1 -4.2 29 230 11582 135 10 -7.1 7.1 | 255 4 3.7 1.0 30 200 12500 140 19 -12.2 14.6 | 170 9 -1.5 8.4 31 157 14021 155 23 -9.7 20.8 | 184 15 1.0 14.7 32 150 14290 145 17 -9.8 13.9 | 187 8 1.0 7.8 33 149 14326 155 21 -8.9 19.0 | 188 13 1.9 12.9 34 127 15240 95 4 -4.0 0.3 | 311 9 6.8 -5.8 35 121 15545 75 10 -9.7 -2.6 | 353 9 1.1 -8.7 36 112 15983 95 29 -28.9 2.5 | 79 19 -18.2 -3.6 37 103 16459 100 36 -35.5 6.3 | 90 25 -24.7 0.1 38 100 16620 80 28 -27.6 -4.9 | 57 20 -16.8 -11.0 39 98 16764 80 31 -30.5 -5.4 | 60 23 -19.8 -11.5 40 70 18670 120 28 -24.2 14.0 | 120 16 -13.5 7.9 41 50 20680 115 15 -13.6 6.3 | 94 3 -2.9 0.2 42 30 23790 75 48 -46.4 -12.4 | 63 40 -35.6 -18.5 43 20 26370 95 39 -38.9 3.4 | 84 28 -28.1 -2.7 Wind Parameters Mean winds (0-6000m): 89.7 at 16.5 knts Storm direction: 119.7 at 12.4 knts Shear (0-3000m) pos: 2.9 neg: 0.8 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 155.0 deg Storm rel helicity (0-3000m) pos: 92.1 neg: -15.5 tot: 76.6 m^2/s^2 ave: 25.5 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 4.7 10^-3/s Energy-Hel index: 0.36 Bulk Rich Number: 57.37 Bulk Shear: 13.61 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 75 7 331 9| 8.3 0.0 8.3| 18.8 0.0 18.8 37.6 0.90| 8.5 7.6 1000 75 11 357 9| 4.2 4.7 8.9| 40.6 -0.9 39.7 39.7 0.80| 9.5 7.7 1500 79 15 25 10| 5.6 3.2 8.7| 73.4 -2.0 71.5 47.7 0.77| 10.0 7.7 2000 81 17 36 11| 4.2 1.1 5.3| 73.4 -11.7 61.8 30.9 0.58| 8.8 5.2 2500 82 18 39 11| 3.1 0.9 4.0| 82.8 -15.5 67.2 26.9 0.55| 8.4 4.6 3000 87 18 46 10| 2.9 0.8 3.6| 92.1 -15.5 76.6 25.5 0.59| 7.9 4.7 4000 92 17 51 9| 1.9 1.3 3.2| 93.5 -25.2 68.3 17.1 0.35| 7.5 2.6 5000 93 17 49 8| 2.1 2.0 4.1|101.3 -37.7 63.7 12.7 0.26| 7.5 2.0 6000 90 16 43 8| 1.8 1.7 3.5|101.3 -41.6 59.8 10.0 0.23| 6.6 1.5 Wrote GIF file: /home/apache/climate/data/raob//Y4155/skewt/Y4155.skewt.20251009.23.gif