UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041523.upa.cvt Date: 2300Z 15 APR 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 15 APR 25 Station: EG918 WMO ident: 3918 Latitude: 54.50 Longitude: -6.34 ------------------------------------------------------------------------------- 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 13 350 8 SFC 999 21 8.0 2.0 66 6.0 5.2 350 8 281.2 282.0 278.4 293.5 4.42 2 995 54 7.8 1.8 66 6.0 5.0 351 9 281.4 282.1 278.4 293.5 4.37 3 925 650 2.2 -0.5 82 2.7 1.0 360 29 281.6 282.2 278.0 292.7 3.98 4 918 711 1.6 -0.6 85 2.2 0.7 2 28 281.6 282.2 278.0 292.7 3.98 5 905 826 1.0 -1.8 82 2.8 -0.2 5 25 282.1 282.7 277.9 292.5 3.70 6 884 1015 0.8 -2.9 76 3.7 -0.7 11 21 283.8 284.4 278.4 293.7 3.49 7 874 1106 0.6 -5.4 64 6.0 -1.7 13 19 284.5 285.0 278.1 292.9 2.92 8 856 1273 -0.3 -6.3 64 6.0 -2.6 18 15 285.3 285.7 278.3 293.3 2.78 9 852 1310 -0.3 -7.3 59 7.0 -2.9 19 14 285.6 286.1 278.2 293.1 2.59 10 850 1329 -0.5 -7.5 59 7.0 -3.1 20 14 285.6 286.1 278.2 293.0 2.56 11 758 2230 -8.7 -10.6 86 1.9 -9.3 41 20 286.3 286.6 278.0 292.8 2.25 12 700 2843 -12.3 -13.7 89 1.4 -12.7 55 24 288.9 289.2 278.9 294.5 1.89 13 698 2865 -12.5 -13.9 89 1.4 -12.9 56 24 288.9 289.2 278.9 294.5 1.87 14 691 2942 -11.3 -13.0 87 1.7 -11.8 59 24 291.0 291.4 280.1 297.1 2.03 15 690 2953 -9.9 -11.6 87 1.7 -10.5 60 24 292.7 293.1 281.1 299.6 2.28 16 685 3010 -9.7 -11.2 89 1.5 -10.2 62 25 293.6 294.0 281.6 300.7 2.37 17 588 4177 -15.7 -17.2 88 1.5 -16.1 112 29 299.7 300.0 283.4 305.0 1.69 18 574 4359 -17.1 -18.5 89 1.4 -17.4 120 29 300.1 300.4 283.4 305.0 1.55 19 562 4517 -18.3 -20.4 84 2.1 -18.8 127 30 300.5 300.8 283.3 304.8 1.34 20 559 4557 -18.5 -20.1 87 1.6 -18.9 129 30 300.7 301.0 283.4 305.1 1.39 21 555 4611 -18.9 -21.6 79 2.7 -19.5 131 30 300.9 301.1 283.3 304.8 1.22 22 540 4814 -20.5 -22.3 85 1.8 -20.9 140 31 301.3 301.6 283.4 305.1 1.18 23 536 4869 -20.9 -23.2 82 2.3 -21.4 142 31 301.5 301.7 283.4 305.0 1.10 24 534 4897 -21.1 -22.9 85 1.8 -21.5 143 31 301.6 301.8 283.5 305.2 1.13 25 532 4925 -21.3 -23.9 79 2.6 -21.8 145 31 301.7 301.9 283.4 305.0 1.04 26 530 4953 -21.5 -23.5 84 2.0 -21.9 146 31 301.8 302.0 283.5 305.3 1.08 27 529 4967 -21.7 -24.1 81 2.4 -22.2 147 31 301.7 301.9 283.4 305.0 1.03 28 507 5279 -24.1 -24.9 93 0.8 -24.2 160 33 302.5 302.6 283.7 305.7 1.00 29 500 5380 -24.9 -26.5 86 1.6 -25.2 165 33 302.7 302.8 283.6 305.6 0.88 30 499 5394 -25.1 -26.9 85 1.8 -25.4 165 33 302.6 302.8 283.5 305.4 0.85 31 485 5599 -26.7 -28.0 89 1.3 -26.9 164 33 303.1 303.3 283.7 305.7 0.79 32 481 5659 -27.1 -29.0 84 1.9 -27.4 164 33 303.3 303.5 283.7 305.7 0.72 33 477 5719 -27.7 -29.1 88 1.4 -27.9 164 33 303.3 303.5 283.7 305.7 0.72 34 473 5779 -28.1 -29.9 85 1.8 -28.3 164 33 303.6 303.7 283.7 305.8 0.68 35 467 5870 -28.9 -30.6 85 1.7 -29.2 163 34 303.7 303.8 283.7 305.8 0.64 36 464 5915 -29.3 -31.7 80 2.4 -29.6 163 34 303.7 303.8 283.7 305.7 0.58 37 458 6008 -30.1 -32.0 83 1.9 -30.3 163 34 303.9 304.0 283.7 305.8 0.57 38 456 6039 -30.3 -32.7 79 2.4 -30.6 163 34 304.0 304.1 283.7 305.8 0.54 39 450 6132 -31.3 -33.3 82 2.0 -31.6 163 34 303.9 304.0 283.7 305.6 0.51 40 441 6274 -32.5 -35.3 76 2.8 -32.8 162 34 304.1 304.2 283.7 305.6 0.43 41 438 6322 -32.9 -35.5 77 2.6 -33.2 162 34 304.2 304.3 283.7 305.7 0.42 42 436 6354 -33.1 -36.4 72 3.3 -33.4 162 34 304.4 304.4 283.7 305.7 0.39 43 432 6418 -33.7 -36.5 76 2.8 -34.0 162 34 304.4 304.5 283.7 305.8 0.39 44 428 6483 -34.3 -37.6 72 3.3 -34.6 162 34 304.5 304.5 283.7 305.7 0.35 45 422 6581 -35.1 -37.6 78 2.5 -35.3 161 35 304.7 304.7 283.8 305.9 0.36 46 410 6781 -37.1 -39.2 81 2.1 -37.2 161 35 304.6 304.7 283.7 305.7 0.31 47 406 6848 -37.7 -40.0 79 2.3 -37.9 160 35 304.7 304.7 283.7 305.7 0.29 48 403 6899 -38.1 -39.8 84 1.7 -38.2 160 35 304.8 304.9 283.7 305.9 0.30 49 401 6933 -38.5 -40.7 80 2.2 -38.7 160 35 304.7 304.8 283.7 305.7 0.27 50 400 6950 -38.7 -41.7 73 3.0 -38.9 160 35 304.7 304.7 283.6 305.6 0.25 51 398 6984 -38.9 -42.8 66 3.9 -39.2 160 35 304.9 304.9 283.7 305.6 0.22 52 397 7002 -39.3 -45.3 53 6.0 -39.6 159 35 304.6 304.6 283.5 305.2 0.17 53 396 7019 -39.3 -44.3 59 5.0 -39.6 159 36 304.8 304.8 283.6 305.5 0.19 54 331 8218 -49.7 -53.7 63 4.0 -49.8 145 47 306.6 306.6 284.1 306.8 0.08 55 300 8860 -50.7 -65.7 15 15.0 -51.0 160 47 313.9 313.9 286.7 314.0 0.02 56 250 10050 -49.3 -77.3 2 28.0 -49.7 175 33 332.8 332.8 292.4 332.8 0.00 57 200 11530 -46.7 -82.7 1 36.0 -47.4 190 21 358.8 358.8 298.5 358.8 0.00 58 150 13440 -48.3 -85.3 1 37.0 -49.1 190 15 386.8 386.8 303.3 386.8 0.00 59 100 16110 -49.9 -87.9 0 38.0 -50.8 220 15 431.3 431.3 309.0 431.3 0.00 60 95 16446 -49.1 -87.1 0 38.0 -50.2 204 14 439.3 439.3 309.8 439.3 0.00 61 88 16945 -51.9 -87.9 1 36.0 -52.8 181 12 443.4 443.4 310.2 443.4 0.00 62 85 17171 -50.1 -88.1 0 38.0 -51.2 170 11 451.4 451.4 311.0 451.4 0.00 63 82 17404 -51.7 -87.7 1 36.0 -52.7 159 11 452.8 452.8 311.1 452.8 0.00 64 70 18430 -51.9 -88.9 0 37.0 -52.9 110 7 473.4 473.4 312.9 473.4 0.00 65 67 18713 -52.5 -89.5 0 37.0 -53.5 105 7 478.0 478.0 313.3 478.0 0.00 66 64 19010 -51.3 -88.3 0 37.0 -52.5 101 7 487.0 487.0 314.0 487.0 0.00 67 60 19427 -53.7 -89.7 0 36.0 -54.7 94 7 490.7 490.7 314.2 490.7 0.00 68 53 20231 -50.5 -88.5 0 38.0 -52.1 81 7 515.8 515.8 316.0 515.8 0.00 69 50 20610 -51.1 -89.1 0 38.0 -52.7 75 7 523.1 523.1 316.5 523.1 0.00 70 46 21150 -52.1 -89.1 0 37.0 -53.6 89 8 533.3 533.3 317.1 533.3 0.00 71 37 22561 -50.7 -88.7 0 38.0 -52.8 125 11 571.1 571.1 319.2 571.1 0.00 72 30 23920 -52.3 -89.3 0 37.0 -54.4 160 13 602.1 602.1 320.7 602.1 0.00 73 27 24602 -52.9 -89.9 0 37.0 -55.1 141 15 618.8 618.8 321.5 618.8 0.00 74 24 25366 -50.9 -88.9 0 38.0 -53.7 119 17 645.8 645.8 322.5 645.8 0.01 75 20 26550 -52.3 -89.3 0 37.0 -55.2 85 21 676.1 676.1 323.6 676.1 0.01 76 19 26882 -52.5 -89.5 0 37.0 -55.4 685.5 685.5 324.0 685.5 0.01 TRP 331 8218 -49.7 -53.7 63 4.0 -49.8 145 47 306.6 306.6 284.1 306.8 0.08 WND Sounding variables and indices 1000-500 mb thick: 5367.00 m Freezing level: 862.00 mb = 1217.16 m = 3993.26 ft Wetbulb zero: 907.47 mb = 804.07 m = 2637.98 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 81.68 % Est. max temperature: 12.40 C = 54.32 F Sfc-Lift cond lev (LCL): 911.40 mb = 769.36 m = 2524.10 ft T: 1.30 C 700-500 lapse rate: 4.97 C/km ThetaE index: 0.84 C Layer 925.0- 918.0 mb Conv cond level (CCL): 838.50 mb = 1436.19 m = 4711.84 ft Mean mixing ratio: 4.10 g/kg Conv temperature: 12.48 C = 54.46 F Cap Strength: 9.04 C Lifted Index: 9.09 C Risk: None Lifted Index @300 mb: 14.85 C Lifted Index @700 mb: 1.36 C Showalter Index: 9.06 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 24.40 C Cross Totals Index: 17.40 C K Index: 15.50 Risk: < 20 % chance of thunderstorms Sweat Index: 61.00 Risk: None Energy Index: 2.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.53 J/kg Max Up Vert Vel: 2.25 m/s Conv Inhibition (B-): 54088.26 J/kg Cap Strength: 9.07 C Lift Cond Lev (LCL): 892.09 mb = 941.47 m = 3088.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 120 at 19 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 ---------------------------------------------------------- 0 999 21 350 8 1.4 -7.9 | 314 25 17.6 -17.2 1 925 650 360 29 -0.0 -29.0 | 337 42 16.2 -38.3 2 850 1329 20 14 -4.8 -13.2 | 333 25 11.4 -22.4 3 700 2843 55 24 -19.7 -13.8 | 8 23 -3.4 -23.0 4 500 5380 165 33 -8.5 31.9 | 199 24 7.7 22.6 5 400 6950 160 35 -12.0 32.9 | 190 24 4.2 23.6 6 331 8218 145 47 -27.0 38.5 | 160 31 -10.7 29.2 7 300 8860 160 47 -16.1 44.2 | 180 35 0.1 34.9 8 250 10050 175 33 -2.9 32.9 | 209 27 13.3 23.6 9 200 11530 190 21 3.6 20.7 | 240 23 19.9 11.4 10 150 13440 190 15 2.6 14.8 | 254 20 18.8 5.5 11 100 16110 220 15 9.6 11.5 | 265 26 25.9 2.2 12 70 18430 110 7 -6.6 2.4 | 306 12 9.6 -6.9 13 50 20610 75 7 -6.8 -1.8 | 320 15 9.5 -11.1 14 30 23920 160 13 -4.4 12.2 | 256 12 11.8 2.9 15 20 26550 85 21 -20.9 -1.8 | 23 12 -4.7 -11.1 Wind Parameters Mean winds (0-6000m): 89.8 at 24.9 knts Storm direction: 119.8 at 18.7 knts Shear (0-3000m) pos: 4.0 neg: 0.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 61.2 deg Storm rel helicity (0-3000m) pos: 231.4 neg: -17.6 tot: 213.8 m^2/s^2 ave: 71.3 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 5.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 121.74 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 ------------------------------------------------------------------------------- 500 357 16 326 31| 17.3 0.0 17.3| 83.9 0.0 83.9 167.8 0.60| 17.4 10.5 1000 1 21 332 34| 7.0 0.0 7.0|117.2 -1.8 115.4 115.4 0.45| 15.1 6.8 1500 4 19 333 32| 3.4 0.0 3.4|128.0 -17.6 110.5 73.6 0.33| 13.1 4.3 2000 10 19 335 31| 3.7 0.0 3.7|159.5 -17.6 141.9 70.9 0.41| 11.0 4.5 2500 18 19 339 29| 3.9 0.0 3.9|193.0 -17.6 175.5 70.2 0.47| 9.9 4.6 3000 26 20 344 28| 4.0 0.0 4.0|231.4 -17.6 213.8 71.3 0.52| 9.4 5.0 4000 43 21 356 25| 4.2 0.0 4.2|301.8 -17.6 284.2 71.1 0.61| 9.7 5.9 5000 63 23 12 20| 4.0 0.0 4.0|370.9 -17.6 353.3 70.7 0.68| 10.1 6.9 6000 90 25 43 13| 3.5 0.1 3.6|407.3 -26.1 381.2 63.5 0.67| 9.3 6.2 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20250415.23.gif