UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102023.upa.cvt Date: 2300Z 20 OCT 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 20 OCT 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 -104 SFC 985 23 11.8 11.2 96 0.6 11.4 200 1 286.2 287.7 285.2 309.8 8.50 2 925 547 9.2 9.2 100 0.0 9.2 285 14 288.7 290.1 285.7 311.0 7.91 3 850 1245 5.6 5.6 100 0.0 5.6 265 16 292.0 293.2 285.8 311.3 6.72 4 813 1608 3.6 3.3 98 0.3 3.4 266 15 293.6 294.7 285.7 310.9 5.97 5 754 2216 -0.5 -1.3 94 0.8 -0.9 268 14 295.6 296.4 285.0 309.2 4.61 6 714 2650 -2.9 -4.9 86 2.0 -3.7 269 13 297.6 298.3 284.8 308.7 3.72 7 700 2807 -3.9 -5.2 91 1.3 -4.4 270 13 298.2 298.8 285.1 309.3 3.71 8 691 2909 -4.3 -4.4 99 0.1 -4.4 271 13 298.8 299.6 285.6 310.8 3.99 9 679 3047 -5.1 -5.8 95 0.7 -5.4 272 14 299.4 300.1 285.5 310.5 3.65 10 677 3070 -4.9 -7.7 81 2.8 -6.0 272 14 299.9 300.5 285.1 309.5 3.16 11 674 3105 -4.5 -5.1 96 0.6 -4.8 272 14 300.7 301.5 286.2 312.5 3.88 12 673 3117 -4.3 -5.1 94 0.8 -4.7 272 14 301.1 301.8 286.4 312.9 3.89 13 670 3152 -4.9 -9.9 68 5.0 -6.8 273 15 300.8 301.3 284.9 309.1 2.69 14 664 3223 -5.1 -7.8 81 2.7 -6.2 273 15 301.4 301.9 285.7 311.2 3.20 15 661 3259 -5.3 -9.4 73 4.1 -6.8 273 15 301.5 302.0 285.4 310.3 2.83 16 659 3282 -5.5 -8.5 79 3.0 -6.7 274 15 301.6 302.1 285.7 310.9 3.05 17 655 3330 -5.7 -9.7 73 4.0 -7.2 274 15 301.9 302.4 285.5 310.5 2.79 18 652 3366 -5.7 -6.9 91 1.2 -6.2 274 16 302.3 302.9 286.4 313.0 3.49 19 645 3451 -5.9 -7.8 86 1.9 -6.7 275 16 303.0 303.6 286.4 313.1 3.29 20 643 3475 -5.9 -7.7 87 1.8 -6.6 275 16 303.2 303.8 286.6 313.5 3.33 21 612 3860 -8.9 -9.4 96 0.5 -9.1 278 18 304.1 304.7 286.6 313.6 3.06 22 569 4422 -12.1 -16.7 69 4.6 -13.5 282 20 306.7 307.1 286.2 312.6 1.82 23 559 4557 -12.7 -22.7 43 10.0 -15.2 283 21 307.6 307.8 285.8 311.2 1.10 24 558 4571 -12.9 -16.7 73 3.8 -14.0 283 21 307.5 307.9 286.5 313.5 1.85 25 555 4612 -12.9 -19.9 56 7.0 -14.8 284 21 308.0 308.2 286.2 312.6 1.42 26 553 4639 -13.1 -21.1 51 8.0 -15.2 284 21 308.1 308.3 286.1 312.3 1.28 27 551 4667 -13.3 -19.3 61 6.0 -15.0 284 22 308.1 308.4 286.4 313.0 1.51 28 541 4807 -13.7 -24.7 39 11.0 -16.3 285 22 309.3 309.5 286.2 312.5 0.95 29 540 4821 -13.9 -23.9 43 10.0 -16.3 285 22 309.2 309.4 286.2 312.6 1.03 30 532 4934 -14.9 -20.9 60 6.0 -16.5 286 23 309.3 309.6 286.6 313.8 1.36 31 522 5077 -16.1 -23.1 55 7.0 -17.8 287 23 309.6 309.8 286.5 313.4 1.14 32 520 5106 -16.3 -25.3 46 9.0 -18.3 288 24 309.7 309.8 286.4 312.8 0.94 33 519 5121 -16.5 -19.6 77 3.1 -17.3 288 24 309.6 309.9 287.0 314.7 1.56 34 517 5150 -16.7 -21.7 65 5.0 -18.0 288 24 309.7 309.9 286.8 314.0 1.30 35 515 5179 -17.1 -20.2 77 3.1 -17.9 288 24 309.6 309.8 286.9 314.4 1.49 36 507 5296 -18.1 -20.3 83 2.2 -18.7 289 25 309.7 310.0 286.9 314.7 1.50 37 503 5355 -18.7 -23.7 65 5.0 -19.8 290 25 309.7 309.9 286.5 313.4 1.12 38 500 5400 -19.1 -22.7 73 3.6 -20.0 290 25 309.8 310.0 286.7 313.8 1.23 39 498 5430 -19.3 -24.3 65 5.0 -20.4 290 25 309.9 310.1 286.5 313.4 1.07 40 495 5474 -19.7 -20.9 90 1.2 -20.0 290 25 309.9 310.2 287.0 314.7 1.46 41 492 5519 -19.9 -24.9 64 5.0 -21.0 290 25 310.2 310.4 286.6 313.7 1.03 42 491 5535 -20.1 -26.1 59 6.0 -21.4 290 25 310.1 310.3 286.5 313.3 0.93 43 488 5580 -20.5 -24.0 73 3.5 -21.2 291 25 310.2 310.4 286.7 313.9 1.13 44 485 5625 -20.9 -24.5 73 3.6 -21.7 291 25 310.2 310.5 286.7 313.9 1.08 45 482 5671 -21.1 -25.6 67 4.5 -22.0 291 25 310.6 310.7 286.7 313.9 0.99 46 479 5717 -21.5 -23.3 85 1.8 -21.9 291 25 310.6 310.8 287.0 314.7 1.22 47 477 5748 -21.5 -25.2 72 3.7 -22.3 291 25 311.0 311.2 286.9 314.5 1.03 48 475 5778 -21.7 -24.8 76 3.1 -22.4 291 25 311.1 311.3 287.0 314.7 1.08 49 474 5794 -21.7 -26.4 66 4.7 -22.7 291 25 311.3 311.5 286.9 314.5 0.93 50 473 5809 -21.5 -32.5 36 11.0 -23.3 291 25 311.7 311.8 286.6 313.6 0.53 51 467 5903 -22.1 -28.1 58 6.0 -23.2 292 24 312.1 312.3 287.1 314.9 0.81 52 463 5966 -22.7 -30.7 48 8.0 -24.1 292 24 312.2 312.3 286.9 314.4 0.64 53 460 6014 -22.9 -28.9 58 6.0 -24.0 292 24 312.5 312.6 287.1 315.1 0.76 54 400 7020 -30.5 -33.3 76 2.8 -30.9 295 23 315.3 315.5 287.9 317.4 0.58 55 300 9000 -47.3 -55.3 39 8.0 -47.6 285 24 318.7 318.7 288.4 319.0 0.07 56 250 10180 -53.5 -66.5 19 13.0 -53.7 295 48 326.5 326.5 290.7 326.6 0.02 57 248 10232 -53.7 -70.7 11 17.0 -53.9 295 44 327.0 327.0 290.9 327.0 0.01 58 200 11630 -51.3 -78.3 3 27.0 -51.7 290 29 351.5 351.5 297.0 351.6 0.00 59 150 13490 -53.1 -83.1 1 30.0 -53.5 285 26 378.6 378.6 302.0 378.6 0.00 60 100 16070 -57.3 -85.3 2 28.0 -57.7 285 28 417.0 417.0 307.4 417.0 0.00 61 76 17796 -60.7 -87.7 2 27.0 -61.0 285 25 444.0 444.0 310.3 444.0 0.00 62 70 18310 -60.3 -88.3 1 28.0 -60.7 285 24 455.4 455.4 311.4 455.4 0.00 63 50 20390 -62.5 -89.5 1 27.0 -62.9 295 27 496.2 496.2 314.7 496.2 0.00 64 30 23520 -65.3 -91.3 2 26.0 -65.8 275 41 566.6 566.6 319.0 566.6 0.00 65 28 23940 -65.9 -91.9 1 26.0 -66.4 276 41 576.2 576.2 319.5 576.3 0.00 66 27 24163 -63.9 -90.9 1 27.0 -64.6 276 41 587.9 587.9 320.0 587.9 0.00 67 23 25144 -65.3 -91.3 2 26.0 -65.9 278 41 611.4 611.4 321.1 611.4 0.00 68 20 26000 -63.5 -91.5 1 28.0 -64.4 280 41 641.8 641.8 322.4 641.8 0.00 69 18 26650 -61.3 -90.3 1 29.0 -62.6 668.4 668.4 323.4 668.4 0.01 70 17 27004 -62.9 -90.9 1 28.0 -64.0 674.3 674.3 323.6 674.3 0.01 71 12 29158 -61.1 -91.1 1 30.0 -62.9 751.3 751.3 326.0 751.3 0.01 TRP 248 10232 -53.7 -70.7 11 17.0 -53.9 295 44 327.0 327.0 290.9 327.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5504.00 m Freezing level: 761.20 mb = 2141.63 m = 7026.25 ft Wetbulb zero: 765.85 mb = 2089.95 m = 6856.70 ft Precipitable water: 0.96 inches Sfc-500 mean rel hum: 86.49 % Est. max temperature: 18.25 C = 64.85 F Sfc-Lift cond lev (LCL): 976.24 mb = 97.19 m = 318.86 ft T: 11.43 C 700-500 lapse rate: 5.86 C/km ThetaE index: 2.56 C Layer 813.0- 700.0 mb Conv cond level (CCL): 927.58 mb = 523.78 m = 1718.42 ft Mean mixing ratio: 7.95 g/kg Conv temperature: 14.21 C = 57.58 F Cap Strength: 3.68 C Lifted Index: 2.79 C Risk: None Lifted Index @300 mb: 5.88 C Lifted Index @700 mb: -0.11 C Showalter Index: 2.38 C Risk: Showers probable Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 24.70 C K Index: 29.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 132.20 Risk: None Energy Index: 0.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.38 J/kg Max Up Vert Vel: 6.69 m/s Conv Inhibition (B-): 8.94 J/kg Cap Strength: 3.64 C Lift Cond Lev (LCL): 931.45 mb = 489.04 m = 1604.45 ft Lev Free Conv (LFC): 776.45 mb = 1979.09 m = 6492.99 ft Equ Level (EL): 686.45 mb = 2961.18 m = 9715.04 ft B at Equ Level: 21.82 J/kg Max Parcel Lev (MPL): 646.45 mb = 3433.19 m = 11263.61 ft Wind level data Storm motion: 310 at 13 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 ---------------------------------------------------------- 0 985 23 200 1 0.3 0.9 | 134 13 -9.5 9.1 1 925 547 285 14 13.5 -3.6 | 219 6 3.7 4.6 2 850 1245 265 16 15.9 1.4 | 213 11 6.1 9.6 3 700 2807 270 13 13.0 -0.0 | 201 9 3.2 8.2 4 500 5400 290 25 23.5 -8.6 | 271 14 13.7 -0.3 5 400 7020 295 23 20.8 -9.7 | 278 11 11.0 -1.5 6 300 9000 285 24 23.2 -6.2 | 262 14 13.4 2.0 7 250 10180 295 48 43.5 -20.3 | 290 36 33.7 -12.1 8 248 10232 295 44 39.9 -18.6 | 289 32 30.1 -10.4 9 200 11630 290 29 27.3 -9.9 | 276 18 17.5 -1.7 10 150 13490 285 26 25.1 -6.7 | 264 15 15.3 1.5 11 100 16070 285 28 27.0 -7.2 | 267 17 17.2 1.0 12 70 18310 285 24 23.2 -6.2 | 262 14 13.4 2.0 13 50 20390 295 27 24.5 -11.4 | 282 15 14.7 -3.2 14 30 23520 275 41 40.8 -3.6 | 262 31 31.0 4.6 15 20 26000 280 41 40.4 -7.1 | 268 31 30.6 1.1 Wind Parameters Mean winds (0-6000m): 279.9 at 17.0 knts Storm direction: 309.9 at 12.8 knts Shear (0-3000m) pos: 2.1 neg: 0.7 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 74.2 deg Storm rel helicity (0-3000m) pos: 45.7 neg: -7.4 tot: 38.3 m^2/s^2 ave: 12.8 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 2.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.74 Bulk Shear: 12.84 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 ------------------------------------------------------------------------------- 500 281 7 158 7| 13.7 0.0 13.7| 41.8 0.0 41.8 83.6 0.87| 17.0 14.8 1000 279 11 189 7| 6.8 1.6 8.4| 43.4 -1.1 42.3 42.3 0.72| 10.6 7.6 1500 274 13 200 8| 4.6 1.5 6.0| 43.4 -3.3 40.1 26.7 0.61| 7.8 4.8 2000 272 13 203 9| 3.2 1.1 4.3| 43.4 -4.9 38.5 19.2 0.56| 6.1 3.5 2500 271 13 204 9| 2.4 0.9 3.3| 43.4 -6.6 36.8 14.7 0.51| 5.1 2.6 3000 271 13 204 9| 2.1 0.7 2.9| 45.7 -7.4 38.3 12.8 0.51| 4.5 2.3 4000 272 14 209 9| 2.3 0.6 2.8| 58.0 -7.4 50.5 12.6 0.58| 4.1 2.4 5000 276 15 220 9| 2.3 0.4 2.8| 72.2 -7.4 64.7 12.9 0.63| 3.8 2.4 6000 280 17 233 9| 2.1 0.4 2.4| 80.2 -7.4 72.7 12.1 0.63| 3.4 2.2 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20251020.23.gif