UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042623.upa.cvt Date: 2300Z 26 APR 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 26 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 1018 15 12.6 8.7 77 3.9 10.4 200 11 284.3 285.5 282.8 303.5 6.94 1 1000 164 11.6 8.0 79 3.6 9.6 190 17 284.8 285.9 282.8 303.5 6.74 2 982 316 10.6 7.0 78 3.6 8.7 192 19 285.2 286.3 282.6 303.1 6.40 3 976 367 11.6 5.6 67 6.0 8.5 193 20 286.7 287.8 282.7 303.2 5.84 4 940 681 9.8 2.8 62 7.0 6.3 198 24 288.0 288.9 282.3 302.2 4.98 5 925 814 8.6 2.6 66 6.0 5.6 200 26 288.1 289.0 282.3 302.3 4.99 6 922 841 8.4 2.4 66 6.0 5.4 201 26 288.2 289.0 282.3 302.2 4.93 7 911 940 7.6 4.0 78 3.6 5.8 205 26 288.3 289.3 283.1 304.2 5.60 8 907 976 7.2 5.3 88 1.9 6.2 206 26 288.3 289.4 283.7 305.7 6.16 9 879 1234 5.2 5.1 99 0.1 5.1 215 27 288.8 289.9 284.0 306.6 6.27 10 853 1479 4.4 4.1 98 0.3 4.2 224 28 290.5 291.5 284.4 307.7 6.02 11 850 1508 4.4 3.9 97 0.5 4.1 225 28 290.8 291.8 284.5 307.8 5.96 12 838 1624 4.2 3.2 93 1.0 3.7 225 28 291.7 292.8 284.7 308.3 5.75 13 816 1840 2.6 2.0 96 0.6 2.3 226 29 292.3 293.2 284.5 307.9 5.42 14 805 1949 2.0 0.7 91 1.3 1.4 226 29 292.8 293.7 284.3 307.3 5.00 15 797 2030 1.4 0.9 96 0.5 1.1 227 29 293.0 293.9 284.5 307.9 5.13 16 783 2173 0.6 -0.1 95 0.7 0.3 227 29 293.6 294.5 284.5 307.8 4.85 17 777 2234 0.6 -1.2 88 1.8 -0.2 227 29 294.2 295.0 284.4 307.5 4.51 18 719 2853 -3.1 -3.2 99 0.1 -3.1 229 31 296.8 297.5 285.0 309.3 4.20 19 701 3054 -4.1 -4.2 99 0.1 -4.1 230 31 297.8 298.5 285.2 309.8 4.00 20 700 3065 -4.3 -4.5 99 0.2 -4.4 230 31 297.7 298.4 285.1 309.4 3.91 21 694 3133 -4.7 -5.7 93 1.0 -5.1 230 31 298.0 298.7 284.9 308.8 3.60 22 673 3373 -6.3 -6.6 98 0.3 -6.4 230 32 298.9 299.5 285.1 309.3 3.46 23 662 3502 -6.9 -7.1 98 0.2 -7.0 230 33 299.6 300.2 285.2 309.9 3.39 24 656 3573 -6.9 -7.9 93 1.0 -7.3 230 33 300.4 301.0 285.4 310.2 3.21 25 637 3801 -8.1 -9.1 92 1.0 -8.5 230 34 301.5 302.1 285.6 310.8 3.01 26 628 3912 -8.7 -10.5 87 1.8 -9.4 230 35 302.1 302.6 285.5 310.5 2.73 27 596 4315 -10.9 -13.5 81 2.6 -11.8 230 36 304.1 304.5 285.8 311.2 2.26 28 595 4328 -10.9 -13.4 82 2.5 -11.8 230 36 304.2 304.7 285.8 311.4 2.28 29 549 4940 -15.1 -17.6 81 2.5 -15.8 230 39 306.3 306.7 286.0 311.9 1.75 30 543 5023 -15.7 -19.0 76 3.3 -16.6 230 39 306.6 306.9 285.9 311.6 1.57 31 519 5363 -17.9 -21.5 73 3.6 -18.8 230 41 307.9 308.2 286.1 312.2 1.32 32 516 5406 -18.1 -21.7 73 3.6 -19.0 230 41 308.2 308.4 286.2 312.5 1.31 33 514 5435 -18.5 -22.4 71 3.9 -19.4 230 41 308.0 308.3 286.1 312.1 1.23 34 500 5640 -20.1 -23.7 73 3.6 -20.9 230 42 308.5 308.7 286.1 312.3 1.13 35 496 5700 -20.5 -24.2 72 3.7 -21.3 231 42 308.8 309.0 286.2 312.4 1.09 36 477 5989 -22.9 -25.5 79 2.6 -23.4 235 42 309.3 309.4 286.2 312.6 1.01 37 457 6303 -25.3 -28.3 76 3.0 -25.8 240 41 310.1 310.2 286.3 312.8 0.81 38 446 6481 -26.9 -29.3 80 2.4 -27.3 243 41 310.2 310.4 286.3 312.8 0.76 39 433 6694 -28.5 -32.4 69 3.9 -29.0 246 41 310.8 310.9 286.4 312.8 0.58 40 423 6862 -29.9 -32.6 77 2.7 -30.3 249 41 311.1 311.2 286.4 313.1 0.58 41 419 6930 -30.5 -33.5 75 3.0 -30.9 250 40 311.2 311.3 286.4 313.1 0.54 42 417 6964 -30.5 -37.5 50 7.0 -31.3 250 40 311.6 311.7 286.4 312.9 0.36 43 415 6999 -30.7 -36.7 56 6.0 -31.4 251 40 311.8 311.9 286.5 313.2 0.40 44 413 7033 -31.1 -36.1 61 5.0 -31.7 251 40 311.7 311.8 286.5 313.2 0.42 45 411 7068 -31.5 -36.5 61 5.0 -32.1 252 40 311.6 311.7 286.4 313.1 0.41 46 409 7102 -31.7 -38.7 50 7.0 -32.4 253 40 311.8 311.9 286.4 313.0 0.33 47 400 7260 -33.1 -40.1 50 7.0 -33.8 255 40 312.0 312.0 286.4 313.0 0.29 48 392 7401 -34.5 -42.5 44 8.0 -35.2 254 40 311.9 312.0 286.3 312.8 0.23 49 390 7437 -34.9 -42.9 44 8.0 -35.5 254 40 311.9 311.9 286.3 312.7 0.22 50 387 7490 -35.1 -45.1 35 10.0 -35.8 254 40 312.3 312.3 286.4 313.0 0.18 51 379 7635 -36.5 -44.5 43 8.0 -37.1 253 40 312.3 312.4 286.4 313.0 0.19 52 377 7671 -36.7 -45.7 39 9.0 -37.3 253 40 312.5 312.6 286.5 313.2 0.17 53 368 7837 -38.3 -45.3 48 7.0 -38.8 252 40 312.6 312.6 286.5 313.2 0.18 54 365 7893 -38.7 -48.7 34 10.0 -39.3 252 40 312.8 312.8 286.5 313.2 0.13 55 300 9200 -50.9 -55.9 55 5.0 -51.0 245 41 313.6 313.6 286.7 313.9 0.07 56 250 10370 -58.5 -63.5 52 5.0 -58.6 250 41 319.1 319.1 288.5 319.2 0.03 57 234 10783 -62.3 -66.5 57 4.2 -62.3 240 46 319.4 319.4 288.6 319.5 0.02 58 200 11760 -60.3 -74.3 14 14.0 -60.4 220 37 337.3 337.3 293.6 337.3 0.01 59 150 13570 -55.3 -85.3 1 30.0 -55.6 255 26 374.8 374.8 301.4 374.8 0.00 60 100 16170 -53.5 -87.5 1 34.0 -54.1 300 7 424.4 424.4 308.2 424.4 0.00 61 88 16986 -56.3 -88.3 1 32.0 -56.8 287 7 434.5 434.5 309.3 434.6 0.00 62 77 17835 -55.5 -88.5 1 33.0 -56.2 274 8 453.1 453.1 311.1 453.1 0.00 63 71 18350 -56.9 -88.9 1 32.0 -57.5 266 8 460.8 460.8 311.8 460.8 0.00 64 70 18440 -56.9 -88.9 1 32.0 -57.5 265 8 462.7 462.7 312.0 462.7 0.00 65 60 19415 -55.5 -89.5 1 34.0 -56.3 263 8 486.6 486.6 314.0 486.6 0.00 66 50 20570 -56.5 -89.5 1 33.0 -57.3 260 8 510.3 510.3 315.7 510.3 0.00 67 46 21099 -57.1 -90.1 1 33.0 -58.0 279 8 521.2 521.2 316.4 521.2 0.00 68 42 21677 -55.1 -90.1 1 35.0 -56.3 299 8 539.9 539.9 317.5 539.9 0.00 69 39 22149 -56.5 -90.5 1 34.0 -57.6 316 8 547.9 547.9 318.0 547.9 0.00 70 32 23409 -55.1 -91.1 0 36.0 -56.6 0 7 583.6 583.6 319.8 583.6 0.00 71 30 23820 -56.5 -90.5 1 34.0 -57.9 15 7 590.6 590.6 320.2 590.6 0.00 72 25 24978 -57.3 -91.3 1 34.0 -58.7 24 8 619.9 619.9 321.5 619.9 0.00 73 20 26400 -54.7 -90.7 0 36.0 -57.0 35 9 668.7 668.7 323.4 668.8 0.01 74 19 26728 -54.9 -90.9 0 36.0 -57.2 678.0 678.0 323.7 678.0 0.01 75 16 27834 -51.9 -88.9 0 37.0 -55.4 721.9 722.0 325.1 722.0 0.01 76 15 28252 -52.1 -89.1 0 37.0 -55.7 734.7 734.7 325.5 734.8 0.01 TRP 234 10783 -62.3 -66.5 57 4.2 -62.3 240 46 319.4 319.4 288.6 319.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5476.00 m Freezing level: 767.59 mb = 2334.67 m = 7659.57 ft Wetbulb zero: 779.75 mb = 2205.95 m = 7237.28 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 85.78 % Est. max temperature: 17.83 C = 64.10 F Sfc-Lift cond lev (LCL): 959.86 mb = 506.05 m = 1660.25 ft T: 10.80 C 700-500 lapse rate: 6.14 C/km ThetaE index: 1.02 C Layer 940.0- 925.0 mb Conv cond level (CCL): 822.19 mb = 1778.37 m = 5834.48 ft Mean mixing ratio: 5.81 g/kg Conv temperature: 20.46 C = 68.82 F Cap Strength: 6.96 C Lifted Index: 6.86 C Risk: None Lifted Index @300 mb: 7.73 C Lifted Index @700 mb: 3.50 C Showalter Index: 3.61 C Risk: None Total Totals Index: 48.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 24.00 C K Index: 28.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 180.69 Risk: None Energy Index: 0.86 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.47 J/kg Max Up Vert Vel: 6.24 m/s Conv Inhibition (B-): 46123.21 J/kg Cap Strength: 6.83 C Lift Cond Lev (LCL): 892.49 mb = 1108.83 m = 3637.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 255 at 24 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 1018 15 200 11 3.8 10.3 | 103 20 -19.4 4.3 1 1000 164 190 17 3.0 16.7 | 118 23 -20.2 10.7 2 925 814 200 26 8.9 24.4 | 142 23 -14.3 18.4 3 850 1508 225 28 19.8 19.8 | 166 14 -3.4 13.8 4 700 3065 230 31 23.7 19.9 | 182 14 0.6 13.9 5 500 5640 230 42 32.2 27.0 | 203 23 9.0 21.0 6 400 7260 255 40 38.6 10.4 | 254 16 15.5 4.4 7 300 9200 245 41 37.2 17.3 | 231 18 14.0 11.3 8 250 10370 250 41 38.5 14.0 | 242 17 15.4 8.0 9 234 10783 240 46 39.8 23.0 | 224 24 16.7 17.0 10 200 11760 220 37 23.8 28.3 | 182 22 0.6 22.3 11 150 13570 255 26 25.1 6.7 | 249 2 1.9 0.7 12 100 16170 300 7 6.1 -3.5 | 61 20 -17.1 -9.5 13 70 18440 265 8 8.0 0.7 | 71 16 -15.2 -5.3 14 50 20570 260 8 7.9 1.4 | 73 16 -15.3 -4.6 15 30 23820 15 7 -1.8 -6.8 | 63 28 -25.0 -12.8 16 20 26400 35 9 -5.2 -7.4 | 65 31 -28.3 -13.4 Wind Parameters Mean winds (0-6000m): 225.5 at 31.9 knts Storm direction: 255.5 at 23.9 knts Shear (0-3000m) pos: 3.1 neg: 1.9 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 79.2 deg Storm rel helicity (0-3000m) pos: 143.2 neg: 0.0 tot: 143.2 m^2/s^2 ave: 47.7 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 4.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.39 Bulk Shear: 49.52 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 ------------------------------------------------------------------------------- 500 193 18 121 22| 0.0 11.2 11.2| 62.8 0.0 62.8 125.5 0.94| 11.9 11.2 1000 198 21 131 22| 3.5 5.6 9.1|103.6 0.0 103.6 103.6 0.91| 10.0 9.1 1500 205 23 139 20| 4.8 3.7 8.6|129.1 0.0 129.1 86.1 0.83| 9.6 7.9 2000 211 25 145 18| 3.9 2.8 6.7|133.8 0.0 133.8 66.9 0.83| 7.5 6.3 2500 215 26 150 17| 3.4 2.2 5.7|138.5 0.0 138.5 55.4 0.84| 6.3 5.3 3000 218 26 155 16| 3.1 1.9 4.9|143.2 0.0 143.2 47.7 0.85| 5.5 4.6 4000 221 28 163 16| 2.5 1.6 4.1|154.7 0.0 154.7 38.7 0.83| 4.6 3.8 5000 224 30 171 16| 2.0 1.7 3.7|166.4 0.0 166.4 33.3 0.80| 4.1 3.3 6000 225 32 179 16| 1.9 1.6 3.5|194.5 0.0 194.5 32.4 0.79| 4.0 3.2 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20250426.23.gif