UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042023.upa.cvt Date: 2300Z 20 APR 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 20 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 1003 21 8.6 6.2 85 2.4 7.3 140 3 281.5 282.5 280.4 297.8 5.93 1 1000 46 8.6 6.3 85 2.3 7.4 140 4 281.8 282.8 280.6 298.3 5.99 2 987 154 9.0 4.2 72 4.8 6.6 146 7 283.2 284.1 280.4 297.8 5.24 3 969 307 8.2 3.2 71 5.0 5.8 154 10 283.9 284.8 280.4 297.8 4.97 4 962 366 8.0 1.0 61 7.0 4.7 157 12 284.3 285.0 279.7 296.3 4.27 5 954 435 7.4 0.4 61 7.0 4.2 161 14 284.4 285.1 279.6 296.0 4.12 6 946 505 7.0 -1.0 57 8.0 3.4 165 15 284.6 285.3 279.2 295.3 3.75 7 938 574 6.4 -0.6 61 7.0 3.2 169 17 284.7 285.4 279.4 295.8 3.90 8 931 636 6.4 -3.6 49 10.0 2.2 172 19 285.3 285.9 278.8 294.3 3.14 9 929 654 6.8 -6.2 39 13.0 1.6 173 19 285.9 286.4 278.3 293.4 2.58 10 926 680 6.8 -7.2 36 14.0 1.3 175 20 286.2 286.6 278.2 293.2 2.40 11 925 689 6.8 -6.2 39 13.0 1.6 175 20 286.3 286.7 278.5 293.8 2.60 12 922 716 6.6 -4.4 45 11.0 2.0 175 20 286.3 286.8 279.1 295.0 2.99 13 920 733 6.4 -1.6 57 8.0 2.8 175 20 286.3 286.9 280.0 296.9 3.69 14 918 751 6.4 -2.6 53 9.0 2.5 175 20 286.5 287.1 279.7 296.3 3.44 15 915 778 6.6 -4.4 45 11.0 2.0 174 19 286.9 287.5 279.4 295.7 3.01 16 912 805 6.6 -3.4 49 10.0 2.3 174 19 287.2 287.8 279.8 296.6 3.26 17 908 841 6.6 0.6 65 6.0 3.8 174 19 287.6 288.3 281.4 300.1 4.40 18 905 868 6.2 1.5 72 4.7 3.9 174 19 287.4 288.3 281.7 300.9 4.71 19 890 1005 5.4 1.2 74 4.2 3.4 173 18 288.0 288.8 281.9 301.4 4.69 20 875 1144 4.4 2.2 86 2.2 3.3 172 17 288.4 289.3 282.5 303.0 5.13 21 850 1379 2.4 1.6 94 0.8 2.0 170 15 288.7 289.5 282.6 303.1 5.05 22 838 1494 1.2 1.2 100 0.0 1.2 170 15 288.6 289.4 282.5 302.8 4.98 23 779 2078 -1.9 -1.9 100 0.0 -1.9 170 18 291.3 292.1 282.9 303.7 4.27 24 742 2463 -4.9 -5.0 99 0.1 -5.0 170 19 292.1 292.8 282.4 302.6 3.55 25 710 2809 -7.7 -9.4 88 1.7 -8.3 170 21 292.8 293.2 281.6 300.6 2.64 26 700 2919 -8.3 -9.7 90 1.4 -8.8 170 21 293.3 293.8 281.8 301.1 2.61 27 671 3245 -10.5 -10.5 100 0.0 -10.5 173 21 294.4 294.9 282.2 302.1 2.56 28 648 3512 -12.1 -12.2 99 0.1 -12.1 175 20 295.5 296.0 282.4 302.6 2.31 29 647 3524 -11.7 -12.1 97 0.4 -11.8 175 20 296.1 296.5 282.7 303.2 2.33 30 644 3560 -12.5 -12.6 99 0.1 -12.5 175 20 295.6 296.0 282.4 302.5 2.25 31 637 3643 -13.1 -13.9 94 0.8 -13.3 176 20 295.9 296.2 282.2 302.1 2.05 32 636 3655 -13.7 -24.7 39 11.0 -16.0 176 20 295.3 295.4 280.4 297.9 0.81 33 634 3679 -13.7 -25.7 36 12.0 -16.2 176 20 295.6 295.7 280.4 298.0 0.74 34 632 3703 -13.9 -34.9 15 21.0 -17.2 176 20 295.6 295.7 279.8 296.7 0.31 35 629 3739 -14.1 -36.1 14 22.0 -17.4 176 20 295.8 295.8 279.8 296.7 0.28 36 602 4072 -12.9 -40.9 8 28.0 -16.9 179 20 300.9 300.9 282.0 301.5 0.18 37 598 4123 -12.7 -32.7 17 20.0 -16.3 179 20 301.7 301.8 282.6 303.1 0.41 38 592 4199 -13.1 -29.1 25 16.0 -16.3 180 20 302.1 302.2 283.0 304.1 0.58 39 590 4225 -13.1 -25.1 36 12.0 -15.8 180 19 302.4 302.6 283.5 305.2 0.84 40 589 4238 -13.1 -25.1 36 12.0 -15.8 180 19 302.6 302.7 283.5 305.3 0.84 41 571 4473 -14.5 -25.5 39 11.0 -16.9 182 19 303.6 303.8 284.0 306.4 0.84 42 570 4487 -14.5 -25.5 39 11.0 -16.9 182 19 303.8 303.9 284.0 306.5 0.84 43 568 4513 -14.5 -26.5 35 12.0 -17.0 182 19 304.1 304.2 284.0 306.6 0.77 44 565 4553 -14.5 -30.5 24 16.0 -17.6 183 19 304.5 304.6 283.9 306.3 0.53 45 559 4634 -14.5 -23.5 46 9.0 -16.6 183 19 305.5 305.7 284.9 308.8 1.03 46 556 4675 -14.7 -23.7 46 9.0 -16.8 184 19 305.7 305.9 284.9 309.0 1.02 47 553 4716 -14.7 -26.7 35 12.0 -17.3 184 19 306.2 306.3 284.8 308.8 0.78 48 552 4729 -14.7 -22.7 51 8.0 -16.6 184 19 306.3 306.5 285.3 310.0 1.12 49 551 4743 -14.7 -22.7 51 8.0 -16.7 184 19 306.5 306.7 285.4 310.2 1.12 50 547 4798 -15.1 -26.1 39 11.0 -17.5 185 19 306.6 306.8 285.1 309.4 0.83 51 543 4854 -15.7 -27.7 35 12.0 -18.1 185 19 306.6 306.7 284.9 309.0 0.72 52 500 5470 -19.7 -28.7 45 9.0 -21.4 190 18 309.0 309.2 285.8 311.4 0.72 53 400 7090 -31.9 -41.9 37 10.0 -32.9 165 16 313.5 313.6 286.9 314.4 0.24 54 300 9060 -47.3 -57.3 31 10.0 -47.6 145 20 318.7 318.7 288.4 318.9 0.06 55 250 10240 -55.9 -63.9 36 8.0 -56.1 145 16 323.0 323.0 289.7 323.1 0.03 56 233 10683 -59.5 -65.5 46 6.0 -59.6 160 19 324.1 324.1 290.0 324.2 0.02 57 200 11650 -53.7 -77.7 4 24.0 -54.0 195 10 347.7 347.7 296.1 347.7 0.00 58 150 13530 -48.5 -84.5 1 36.0 -49.3 240 5 386.5 386.5 303.3 386.5 0.00 59 100 16150 -52.3 -86.3 1 34.0 -53.0 205 5 426.7 426.7 308.4 426.7 0.00 60 77 17836 -53.5 -87.5 1 34.0 -54.3 161 3 457.3 457.3 311.5 457.3 0.00 61 70 18450 -52.7 -86.7 1 34.0 -53.7 145 2 471.6 471.6 312.8 471.7 0.00 62 65 18927 -53.3 -87.3 1 34.0 -54.3 106 3 480.4 480.4 313.5 480.4 0.00 63 59 19553 -51.5 -87.5 1 36.0 -52.8 56 5 498.0 498.0 314.8 498.0 0.00 64 55 20007 -53.3 -87.3 1 34.0 -54.4 20 6 503.9 503.9 315.2 504.0 0.00 65 50 20620 -53.3 -87.3 1 34.0 -54.5 330 7 517.9 517.9 316.2 517.9 0.00 66 48 20882 -53.9 -87.9 1 34.0 -55.1 343 8 522.5 522.5 316.5 522.5 0.00 67 44 21442 -52.1 -88.1 1 36.0 -53.7 11 10 540.1 540.1 317.5 540.1 0.00 68 41 21898 -53.3 -88.3 1 35.0 -54.8 34 11 548.1 548.1 318.0 548.1 0.00 69 31 23707 -50.7 -87.7 0 37.0 -53.1 124 16 600.8 600.8 320.6 600.8 0.01 70 30 23920 -51.5 -88.5 0 37.0 -53.8 135 17 604.2 604.2 320.8 604.3 0.01 71 28 24368 -52.5 -88.5 1 36.0 -54.6 135 17 613.5 613.5 321.2 613.5 0.01 72 22 25938 -50.1 -88.1 0 38.0 -53.4 135 15 664.5 664.5 323.2 664.5 0.01 73 20 26560 -51.1 -88.1 0 37.0 -54.3 135 15 679.8 679.8 323.7 679.8 0.01 74 19 26894 -50.5 -88.5 0 38.0 -54.0 691.7 691.7 324.1 691.7 0.01 75 17 27616 -52.7 -88.7 1 36.0 -55.8 707.0 707.0 324.7 707.0 0.01 76 14 28876 -50.3 -88.3 0 38.0 -54.6 755.5 755.5 326.1 755.6 0.01 77 12 29881 -50.9 -87.9 0 37.0 -55.5 787.4 787.4 326.9 787.5 0.01 TRP 233 10683 -59.5 -65.5 46 6.0 -59.6 160 19 324.1 324.1 290.0 324.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5424.00 m Freezing level: 815.16 mb = 1720.00 m = 5642.97 ft Wetbulb zero: 815.36 mb = 1713.01 m = 5620.05 ft Precipitable water: 0.64 inches Sfc-500 mean rel hum: 68.01 % Est. max temperature: 15.72 C = 60.30 F Sfc-Lift cond lev (LCL): 966.97 mb = 323.91 m = 1062.69 ft T: 8.14 C 700-500 lapse rate: 4.47 C/km ThetaE index: 2.60 C Layer 931.0- 925.0 mb Conv cond level (CCL): 779.92 mb = 2068.77 m = 6787.24 ft Mean mixing ratio: 4.28 g/kg Conv temperature: 18.38 C = 65.09 F Cap Strength: 10.60 C Lifted Index: 11.57 C Risk: None Lifted Index @300 mb: 15.61 C Lifted Index @700 mb: 3.05 C Showalter Index: 7.12 C Risk: None Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 21.30 C K Index: 22.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 67.20 Risk: None Energy Index: 1.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.98 J/kg Max Up Vert Vel: 6.16 m/s Conv Inhibition (B-): 55095.57 J/kg Cap Strength: 11.27 C Lift Cond Lev (LCL): 859.73 mb = 1286.68 m = 4221.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 206 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 1003 21 140 3 -1.9 2.3 | 39 13 -7.8 -9.8 1 1000 46 140 4 -2.6 3.1 | 43 12 -8.5 -9.0 2 925 689 175 20 -1.7 19.9 | 136 11 -7.6 7.9 3 850 1379 170 15 -2.6 14.8 | 108 9 -8.5 2.7 4 700 2919 170 21 -3.6 20.7 | 132 13 -9.5 8.6 5 500 5470 190 18 3.1 17.7 | 154 6 -2.8 5.7 6 400 7090 165 16 -4.1 15.5 | 109 11 -10.0 3.4 7 300 9060 145 20 -11.5 16.4 | 104 18 -17.4 4.3 8 250 10240 145 16 -9.2 13.1 | 94 15 -15.1 1.0 9 233 10683 160 19 -6.5 17.9 | 115 14 -12.4 5.8 10 200 11650 195 10 2.6 9.7 | 54 4 -3.3 -2.4 11 150 13530 240 5 4.3 2.5 | 9 10 -1.6 -9.6 12 100 16150 205 5 2.1 4.5 | 27 8 -3.8 -7.5 13 70 18450 145 2 -1.1 1.6 | 34 13 -7.0 -10.4 14 50 20620 330 7 3.5 -6.1 | 8 18 -2.4 -18.1 15 30 23920 135 17 -12.0 12.0 | 90 18 -17.9 -0.0 16 20 26560 135 15 -10.6 10.6 | 85 17 -16.5 -1.5 Wind Parameters Mean winds (0-6000m): 176.1 at 17.9 knts Storm direction: 206.1 at 13.4 knts Shear (0-3000m) pos: 2.8 neg: 0.3 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 94.0 deg Storm rel helicity (0-3000m) pos: 65.3 neg: -11.5 tot: 53.8 m^2/s^2 ave: 17.9 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 3.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.75 Bulk Shear: 10.84 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 ------------------------------------------------------------------------------- 500 160 10 72 10| 13.6 0.0 13.6| 39.3 0.0 39.3 78.7 0.98| 14.1 13.9 1000 171 14 103 8| 7.8 0.0 7.8| 52.6 -5.5 47.1 47.1 0.78| 10.7 8.4 1500 171 15 107 9| 5.2 0.7 5.9| 53.4 -11.5 41.9 27.9 0.60| 8.2 4.9 2000 171 15 109 9| 3.9 0.2 4.1| 57.5 -11.5 46.0 23.0 0.61| 6.6 4.1 2500 171 16 113 9| 3.1 0.4 3.5| 61.5 -11.5 50.1 20.0 0.62| 5.7 3.5 3000 171 17 117 10| 2.8 0.3 3.2| 65.3 -11.5 53.8 17.9 0.62| 5.1 3.1 4000 172 18 122 10| 2.0 0.3 2.3| 69.6 -11.5 58.2 14.5 0.61| 4.2 2.5 5000 174 18 126 10| 1.6 0.2 1.8| 72.7 -11.5 61.2 12.2 0.60| 3.6 2.2 6000 176 18 129 9| 1.3 0.3 1.6| 73.6 -15.7 57.9 9.7 0.49| 3.4 1.7 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20250420.23.gif