UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042723.upa.cvt Date: 2300Z 27 APR 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 27 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 ------------------------------------------------------------------------------- SFC 1020 17 13.4 9.5 77 3.9 11.2 220 9 284.9 286.2 283.5 305.2 7.32 1 1000 183 12.4 9.1 80 3.3 10.6 210 22 285.5 286.8 283.7 305.8 7.26 2 968 455 10.4 8.1 86 2.3 9.2 218 23 286.2 287.4 283.7 305.8 7.01 3 945 655 9.8 6.6 80 3.2 8.1 225 24 287.6 288.7 283.7 305.8 6.47 4 925 833 8.6 5.5 81 3.1 7.0 230 25 288.1 289.2 283.5 305.4 6.13 5 882 1225 5.8 4.0 88 1.8 4.9 230 20 289.1 290.2 283.7 305.6 5.78 6 866 1375 4.8 2.5 85 2.3 3.7 230 18 289.6 290.6 283.3 304.8 5.29 7 850 1527 3.6 2.2 91 1.4 2.9 230 16 289.9 290.8 283.4 305.0 5.28 8 845 1575 3.2 2.1 92 1.1 2.7 230 16 290.0 290.9 283.4 305.1 5.27 9 841 1613 3.0 1.7 91 1.3 2.4 230 17 290.2 291.1 283.4 304.9 5.15 10 836 1662 4.0 -3.0 60 7.0 0.9 230 17 291.7 292.4 282.4 302.5 3.66 11 834 1681 4.2 -3.8 56 8.0 0.7 230 17 292.1 292.7 282.3 302.3 3.46 12 832 1701 5.2 -7.8 38 13.0 -0.0 229 18 293.4 293.8 281.8 301.0 2.55 13 830 1721 5.8 -8.2 36 14.0 0.2 229 18 294.2 294.7 282.0 301.7 2.48 14 802 2001 4.8 -11.2 30 16.0 -1.2 229 20 296.1 296.4 282.3 302.3 2.02 15 788 2144 4.2 -10.8 33 15.0 -1.5 228 22 296.9 297.3 282.8 303.4 2.13 16 772 2311 3.6 -12.4 30 16.0 -2.3 228 23 298.0 298.4 283.0 303.9 1.91 17 760 2438 3.0 -15.0 25 18.0 -3.2 227 25 298.7 299.0 282.8 303.6 1.57 18 753 2513 2.4 -13.6 30 16.0 -3.3 227 25 298.8 299.2 283.1 304.4 1.77 19 748 2567 1.8 -10.2 41 12.0 -2.8 227 26 298.8 299.2 283.8 306.0 2.35 20 747 2578 1.8 -11.2 37 13.0 -3.1 227 26 298.9 299.3 283.6 305.6 2.17 21 743 2621 1.4 -8.6 47 10.0 -2.6 227 26 298.9 299.4 284.2 307.1 2.68 22 740 2654 1.0 -7.0 55 8.0 -2.3 226 27 298.8 299.4 284.6 308.1 3.05 23 738 2675 0.8 -7.2 55 8.0 -2.5 226 27 298.8 299.4 284.5 308.0 3.01 24 730 2763 0.0 -7.0 59 7.0 -2.9 226 28 298.9 299.4 284.7 308.3 3.10 25 727 2796 -0.3 -4.5 73 4.2 -2.1 226 28 298.9 299.6 285.4 310.2 3.76 26 725 2818 -0.5 -4.0 77 3.5 -2.0 226 28 298.9 299.6 285.6 310.7 3.92 27 722 2851 -0.7 -1.0 98 0.3 -0.9 226 29 299.1 299.9 286.6 313.7 4.93 28 721 2862 -0.7 -0.9 99 0.2 -0.8 226 29 299.2 300.1 286.8 314.0 4.97 29 716 2918 -0.9 -3.2 84 2.3 -1.9 226 29 299.5 300.3 286.1 312.2 4.22 30 711 2974 -0.7 -6.7 64 6.0 -3.2 225 30 300.4 301.0 285.4 310.3 3.25 31 700 3098 -1.9 -6.9 69 5.0 -4.0 225 31 300.4 301.0 285.4 310.3 3.25 32 694 3166 -2.5 -7.1 71 4.6 -4.4 225 31 300.5 301.0 285.4 310.3 3.23 33 691 3201 -2.9 -6.5 76 3.6 -4.4 225 31 300.4 301.0 285.6 310.7 3.40 34 677 3362 -4.3 -7.6 78 3.3 -5.6 225 31 300.6 301.2 285.4 310.3 3.19 35 675 3385 -4.5 -7.9 77 3.4 -5.8 225 31 300.6 301.2 285.4 310.2 3.12 36 670 3444 -5.1 -6.5 90 1.4 -5.7 225 32 300.6 301.2 285.8 311.2 3.51 37 667 3479 -5.3 -7.9 82 2.6 -6.3 225 32 300.7 301.3 285.5 310.4 3.16 38 660 3561 -6.1 -9.2 79 3.1 -7.3 225 32 300.7 301.3 285.2 309.6 2.88 39 655 3621 -6.7 -8.4 88 1.7 -7.4 225 32 300.7 301.3 285.4 310.2 3.10 40 652 3656 -6.7 -8.5 87 1.8 -7.4 225 32 301.1 301.7 285.5 310.6 3.09 41 648 3704 -7.1 -8.7 88 1.6 -7.7 225 32 301.2 301.8 285.5 310.6 3.06 42 644 3752 -7.3 -7.8 96 0.5 -7.5 225 32 301.5 302.1 285.9 311.6 3.30 43 625 3985 -8.5 -8.6 99 0.1 -8.5 225 32 302.7 303.3 286.2 312.6 3.19 44 613 4135 -9.3 -10.2 93 0.9 -9.6 225 33 303.5 304.0 286.2 312.4 2.87 45 586 4481 -11.1 -11.9 94 0.8 -11.4 225 33 305.3 305.8 286.6 313.6 2.62 46 526 5300 -16.9 -17.3 97 0.4 -17.0 225 34 307.9 308.3 286.7 314.0 1.87 47 525 5315 -16.7 -17.7 92 1.0 -17.0 225 34 308.3 308.7 286.8 314.2 1.81 48 520 5386 -16.9 -17.7 93 0.8 -17.1 225 35 308.9 309.3 287.1 314.9 1.83 49 514 5473 -16.9 -18.7 86 1.8 -17.4 225 35 310.0 310.3 287.2 315.5 1.70 50 512 5503 -17.1 -18.7 87 1.6 -17.6 225 35 310.1 310.4 287.3 315.6 1.71 51 509 5547 -17.3 -19.5 83 2.2 -17.9 225 35 310.4 310.7 287.3 315.6 1.60 52 504 5621 -17.7 -20.0 82 2.3 -18.3 225 35 310.7 311.0 287.3 315.8 1.55 53 500 5680 -18.3 -20.5 83 2.2 -18.8 225 35 310.7 311.0 287.3 315.7 1.50 54 480 5985 -20.7 -21.4 94 0.7 -20.9 226 35 311.4 311.7 287.5 316.2 1.44 55 400 7310 -31.3 -37.3 55 6.0 -32.0 230 33 314.3 314.4 287.3 315.7 0.39 56 300 9270 -48.3 -54.3 50 6.0 -48.5 235 34 317.3 317.3 287.9 317.6 0.08 57 250 10450 -57.9 -63.9 46 6.0 -58.0 245 42 320.0 320.0 288.8 320.1 0.03 58 224 11135 -62.3 -68.3 44 6.0 -62.3 260 61 323.5 323.5 289.8 323.5 0.02 59 213 11444 -64.3 -70.3 44 6.0 -64.3 255 58 325.0 325.0 290.3 325.1 0.01 60 200 11830 -62.7 -71.7 29 9.0 -62.8 255 55 333.5 333.5 292.7 333.5 0.01 61 150 13620 -58.1 -82.1 3 24.0 -58.3 270 24 370.0 370.0 300.5 370.0 0.00 62 100 16200 -55.9 -82.9 2 27.0 -56.4 280 12 419.7 419.7 307.7 419.7 0.00 63 98 16328 -55.5 -83.5 2 28.0 -56.0 278 12 422.9 422.9 308.0 422.9 0.00 64 89 16938 -55.9 -83.9 2 28.0 -56.5 267 11 433.9 433.9 309.3 434.0 0.00 65 82 17454 -58.1 -85.1 2 27.0 -58.6 258 10 439.7 439.7 309.8 439.7 0.00 66 74 18100 -56.3 -84.3 2 28.0 -56.9 246 9 456.6 456.6 311.5 456.6 0.00 67 70 18450 -58.1 -85.1 2 27.0 -58.6 240 9 460.1 460.1 311.8 460.1 0.00 68 65 18919 -56.7 -84.7 2 28.0 -57.3 266 10 473.0 473.0 312.9 473.0 0.00 69 50 20580 -57.7 -85.7 2 28.0 -58.5 360 13 507.5 507.5 315.5 507.5 0.01 70 48 20837 -58.7 -86.7 2 28.0 -59.4 2 13 511.1 511.1 315.7 511.1 0.00 71 46 21106 -56.7 -85.7 1 29.0 -57.6 5 12 522.2 522.2 316.4 522.2 0.01 72 42 21681 -58.1 -86.1 2 28.0 -58.9 10 11 532.5 532.5 317.1 532.5 0.01 73 30 23810 -56.3 -85.3 1 29.0 -57.7 30 8 591.2 591.2 320.2 591.2 0.01 74 25 24968 -55.3 -85.3 1 30.0 -57.1 23 13 625.7 625.7 321.7 625.7 0.01 75 24 25228 -56.3 -86.3 1 30.0 -58.0 22 15 630.1 630.1 321.9 630.2 0.01 76 20 26390 -54.1 -85.1 1 31.0 -56.5 15 20 670.6 670.6 323.4 670.7 0.01 77 18 27063 -56.3 -86.3 1 30.0 -58.4 684.2 684.2 323.9 684.2 0.01 78 16 27812 -55.5 -86.5 1 31.0 -58.0 710.2 710.2 324.7 710.3 0.01 79 12 29666 -50.9 -83.9 1 33.0 -55.5 787.4 787.4 327.0 787.7 0.03 TRP 213 11444 -64.3 -70.3 44 6.0 -64.3 255 58 325.0 325.0 290.3 325.1 0.01 WND 224 11135 -62.3 -68.3 44 6.0 -62.3 260 61 323.5 323.5 289.8 323.5 0.02 Sounding variables and indices 1000-500 mb thick: 5497.00 m Freezing level: 730.00 mb = 2762.78 m = 9064.13 ft Wetbulb zero: 832.03 mb = 1700.57 m = 5579.23 ft Precipitable water: 0.86 inches Sfc-500 mean rel hum: 77.27 % Est. max temperature: 18.00 C = 64.40 F Sfc-Lift cond lev (LCL): 961.88 mb = 507.94 m = 1666.44 ft T: 10.24 C 700-500 lapse rate: 6.35 C/km ThetaE index: 4.07 C Layer 841.0- 830.0 mb Conv cond level (CCL): 893.93 mb = 1114.55 m = 3656.61 ft Mean mixing ratio: 6.85 g/kg Conv temperature: 17.35 C = 63.23 F Cap Strength: 6.89 C Lifted Index: 6.79 C Risk: None Lifted Index @300 mb: 8.37 C Lifted Index @700 mb: 4.41 C Showalter Index: 7.23 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 20.50 C K Index: 19.10 Risk: < 20 % chance of thunderstorms Sweat Index: 93.40 Risk: None Energy Index: 2.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.24 J/kg Max Up Vert Vel: 5.15 m/s Conv Inhibition (B-): 53299.45 J/kg Cap Strength: 6.85 C Lift Cond Lev (LCL): 925.66 mb = 827.05 m = 2713.39 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 255 at 21 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 1020 17 220 9 5.8 6.9 | 96 14 -14.4 1.6 1 1000 183 210 22 11.0 19.1 | 146 17 -9.2 13.7 2 925 833 230 25 19.2 16.1 | 175 11 -1.0 10.8 3 850 1527 230 16 12.3 10.3 | 122 9 -7.9 5.0 4 700 3098 225 31 21.9 21.9 | 186 17 1.7 16.6 5 500 5680 225 35 24.7 24.7 | 193 20 4.6 19.4 6 400 7310 230 33 25.3 21.2 | 198 17 5.1 15.9 7 300 9270 235 34 27.9 19.5 | 208 16 7.7 14.2 8 250 10450 245 42 38.1 17.7 | 235 22 17.9 12.4 9 224 11135 260 61 60.1 10.6 | 262 40 39.9 5.3 10 213 11444 255 58 56.0 15.0 | 255 37 35.8 9.7 11 200 11830 255 55 53.1 14.2 | 255 34 32.9 8.9 12 150 13620 270 24 24.0 -0.0 | 324 7 3.8 -5.3 13 100 16200 280 12 11.8 -2.1 | 49 11 -8.4 -7.4 14 70 18450 240 9 7.8 4.5 | 86 12 -12.4 -0.8 15 50 20580 360 13 -0.0 -13.0 | 48 27 -20.2 -18.3 16 30 23810 30 8 -4.0 -6.9 | 63 27 -24.2 -12.2 17 20 26390 15 20 -5.2 -19.3 | 46 35 -25.4 -24.6 Wind Parameters Mean winds (0-6000m): 225.3 at 27.8 knts Storm direction: 255.3 at 20.9 knts Shear (0-3000m) pos: 2.4 neg: 1.4 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 88.3 deg Storm rel helicity (0-3000m) pos: 102.5 neg: -20.4 tot: 82.1 m^2/s^2 ave: 27.4 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 3.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.33 Bulk Shear: 9.95 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 ------------------------------------------------------------------------------- 500 215 20 143 14| 15.0 0.0 15.0| 58.8 0.0 58.8 117.7 0.91| 17.9 16.3 1000 222 22 154 13| 7.1 0.0 7.1| 69.1 -5.2 64.0 64.0 0.71| 12.3 8.8 1500 224 21 152 11| 4.7 2.2 7.0| 69.1 -20.4 48.7 32.5 0.35| 10.4 3.7 2000 225 21 149 11| 3.6 0.5 4.1| 80.2 -20.4 59.8 29.9 0.44| 9.0 3.9 2500 226 21 151 11| 2.8 0.6 3.5| 91.7 -20.4 71.2 28.5 0.48| 8.2 4.0 3000 226 22 157 11| 2.4 1.4 3.7|102.5 -20.4 82.1 27.4 0.50| 7.7 3.8 4000 225 24 167 12| 1.8 1.3 3.1|108.2 -20.4 87.7 21.9 0.50| 6.0 3.0 5000 225 26 174 13| 1.4 1.2 2.6|112.5 -20.4 92.1 18.4 0.50| 5.0 2.5 6000 225 28 178 14| 1.2 1.1 2.2|117.0 -20.4 96.5 16.1 0.50| 4.3 2.2 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20250427.23.gif