UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041923.upa.cvt Date: 2300Z 19 APR 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 19 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 1008 22 8.8 6.4 85 2.4 7.6 160 4 281.3 282.3 280.3 297.8 5.98 1 1000 88 8.4 6.1 85 2.3 7.2 115 14 281.5 282.6 280.4 297.8 5.91 2 978 271 7.0 5.4 90 1.6 6.2 125 17 281.9 282.9 280.4 297.8 5.75 3 954 475 6.4 2.7 77 3.7 4.6 136 21 283.3 284.2 280.0 297.0 4.87 4 941 588 5.6 1.6 75 4.0 3.7 142 23 283.6 284.4 279.7 296.4 4.56 5 938 614 5.6 0.7 71 4.9 3.4 144 23 283.9 284.6 279.6 296.0 4.29 6 925 728 5.4 2.7 83 2.7 4.1 150 25 284.8 285.7 280.8 298.9 5.02 7 917 799 5.0 2.7 85 2.3 3.9 154 24 285.1 286.0 281.1 299.4 5.07 8 912 844 5.0 2.6 84 2.4 3.8 157 23 285.6 286.5 281.3 299.8 5.06 9 867 1254 1.8 1.7 99 0.1 1.7 181 16 286.4 287.3 281.5 300.5 4.99 10 850 1414 1.2 1.2 100 0.0 1.2 190 13 287.4 288.3 281.9 301.4 4.91 11 785 2052 -1.3 -1.4 99 0.1 -1.3 192 14 291.3 292.1 283.0 304.1 4.40 12 765 2258 -1.5 -1.9 97 0.4 -1.7 193 14 293.3 294.1 283.8 306.0 4.35 13 746 2458 -3.1 -3.2 99 0.1 -3.1 193 14 293.7 294.4 283.6 305.6 4.05 14 700 2960 -5.5 -5.7 98 0.2 -5.6 195 15 296.4 297.0 284.2 307.1 3.57 15 686 3118 -6.3 -6.8 96 0.5 -6.5 195 15 297.2 297.8 284.3 307.3 3.35 16 681 3175 -6.7 -7.1 97 0.4 -6.8 195 15 297.4 298.0 284.3 307.3 3.29 17 678 3210 -7.1 -8.8 88 1.7 -7.7 195 15 297.3 297.8 283.8 306.1 2.90 18 675 3244 -7.5 -10.7 78 3.2 -8.6 194 15 297.3 297.7 283.4 304.9 2.50 19 668 3325 -8.5 -12.7 72 4.2 -9.9 194 16 297.0 297.4 282.8 303.6 2.15 20 596 4199 -14.7 -15.0 98 0.3 -14.8 193 17 299.7 300.0 283.8 305.9 2.00 21 586 4327 -15.5 -16.2 94 0.7 -15.7 192 17 300.2 300.5 283.8 306.0 1.84 22 585 4340 -14.7 -15.7 92 1.0 -15.0 192 17 301.3 301.6 284.3 307.3 1.92 23 584 4353 -15.9 -16.6 94 0.7 -16.1 192 17 300.0 300.4 283.7 305.6 1.79 24 582 4379 -16.1 -16.9 94 0.8 -16.3 192 17 300.1 300.4 283.6 305.6 1.75 25 581 4392 -16.3 -19.6 76 3.3 -17.1 192 17 300.0 300.3 283.2 304.4 1.39 26 580 4405 -16.3 -19.2 78 2.9 -17.0 192 17 300.2 300.4 283.3 304.7 1.44 27 579 4418 -16.5 -19.6 77 3.1 -17.3 192 17 300.1 300.3 283.2 304.5 1.40 28 578 4431 -16.5 -25.5 46 9.0 -18.3 192 17 300.2 300.4 282.5 302.9 0.83 29 577 4444 -16.5 -26.5 42 10.0 -18.5 192 17 300.4 300.5 282.5 302.8 0.76 30 566 4588 -16.9 -27.9 38 11.0 -19.0 192 18 301.5 301.7 282.9 303.8 0.68 31 563 4628 -17.1 -30.1 31 13.0 -19.4 192 18 301.8 301.9 282.8 303.6 0.56 32 557 4709 -17.5 -30.5 31 13.0 -19.8 192 18 302.2 302.3 283.0 304.0 0.54 33 542 4913 -19.1 -31.1 34 12.0 -21.1 191 18 302.7 302.8 283.2 304.5 0.53 34 539 4954 -18.7 -27.7 45 9.0 -20.4 191 18 303.6 303.8 283.8 306.1 0.73 35 533 5037 -19.3 -33.3 28 14.0 -21.5 191 18 303.9 304.0 283.5 305.4 0.43 36 517 5263 -20.5 -35.5 25 15.0 -22.7 190 19 305.1 305.2 284.0 306.4 0.36 37 500 5510 -22.3 -38.3 22 16.0 -24.4 190 19 305.9 305.9 284.1 306.8 0.28 38 479 5824 -24.7 -40.7 21 16.0 -26.5 193 19 306.7 306.7 284.4 307.5 0.23 39 469 5977 -25.9 -44.9 15 19.0 -27.7 194 18 307.0 307.1 284.4 307.6 0.15 40 447 6323 -28.3 -44.3 20 16.0 -29.7 198 18 308.3 308.3 284.9 308.9 0.17 41 440 6436 -28.9 -47.9 14 19.0 -30.4 199 18 308.9 308.9 285.1 309.3 0.11 42 400 7110 -33.9 -47.9 23 14.0 -34.8 205 17 310.9 311.0 285.8 311.4 0.13 43 383 7412 -36.3 -50.3 22 14.0 -37.1 221 17 311.7 311.7 286.1 312.0 0.10 44 376 7540 -36.9 -52.9 17 16.0 -37.7 228 17 312.5 312.5 286.3 312.8 0.07 45 367 7706 -38.3 -53.3 19 15.0 -39.0 236 18 312.8 312.8 286.4 313.1 0.07 46 341 8207 -42.1 -59.1 14 17.0 -42.7 263 18 314.3 314.3 286.9 314.4 0.04 47 327 8488 -44.7 -60.7 15 16.0 -45.2 279 18 314.5 314.5 286.9 314.6 0.03 48 320 8632 -45.3 -64.3 10 19.0 -45.7 286 19 315.6 315.6 287.3 315.7 0.02 49 304 8973 -47.3 -63.3 14 16.0 -47.7 305 19 317.5 317.5 287.9 317.6 0.03 50 300 9060 -47.7 -63.7 14 16.0 -48.1 310 19 318.1 318.1 288.2 318.2 0.02 51 262 9948 -53.9 -66.9 19 13.0 -54.1 319 24 321.6 321.6 289.3 321.7 0.02 52 260 9997 -54.1 -68.1 16 14.0 -54.3 320 24 322.0 322.0 289.4 322.1 0.02 53 250 10250 -54.7 -68.7 16 14.0 -54.9 325 23 324.7 324.7 290.2 324.8 0.01 54 200 11680 -51.7 -81.7 2 30.0 -52.1 290 13 350.9 350.9 296.8 350.9 0.00 55 150 13560 -50.1 -84.1 1 34.0 -50.7 260 11 383.7 383.7 302.8 383.8 0.00 56 100 16190 -52.3 -87.3 1 35.0 -53.0 235 8 426.7 426.7 308.4 426.7 0.00 57 93 16659 -51.3 -87.3 1 36.0 -52.2 232 7 437.6 437.6 309.6 437.6 0.00 58 84 17314 -54.1 -87.1 1 33.0 -54.8 228 6 444.8 444.8 310.4 444.8 0.00 59 75 18039 -53.5 -87.5 1 34.0 -54.4 223 4 460.7 460.7 311.8 460.8 0.00 60 70 18480 -55.3 -88.3 1 33.0 -56.1 220 3 466.1 466.1 312.3 466.1 0.00 61 69 18572 -55.7 -88.7 1 33.0 -56.4 215 3 467.1 467.1 312.4 467.2 0.00 62 63 19154 -52.9 -87.9 1 35.0 -53.9 186 4 485.6 485.6 313.9 485.6 0.00 63 55 20027 -54.1 -88.1 1 34.0 -55.1 141 4 502.1 502.1 315.1 502.1 0.00 64 50 20640 -52.9 -88.9 1 36.0 -54.2 110 5 518.8 518.8 316.2 518.8 0.00 65 48 20904 -51.9 -87.9 1 36.0 -53.4 111 5 527.3 527.3 316.8 527.3 0.00 66 42 21767 -53.7 -88.7 1 35.0 -55.1 113 7 543.4 543.4 317.7 543.4 0.00 67 35 22944 -51.9 -88.9 0 37.0 -53.8 117 9 577.1 577.1 319.5 577.2 0.00 68 31 23728 -53.5 -89.5 0 36.0 -55.3 119 11 593.2 593.2 320.3 593.2 0.00 69 30 23940 -51.9 -88.9 0 37.0 -54.1 120 11 603.2 603.2 320.7 603.2 0.00 70 29 24160 -50.9 -88.9 0 38.0 -53.4 611.8 611.8 321.2 611.8 0.00 71 26 24868 -52.9 -88.9 1 36.0 -55.1 625.5 625.5 321.7 625.5 0.01 TRP 260 9997 -54.1 -68.1 16 14.0 -54.3 320 24 322.0 322.0 289.4 322.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5422.00 m Freezing level: 818.80 mb = 1720.18 m = 5643.57 ft Wetbulb zero: 819.26 mb = 1709.38 m = 5608.13 ft Precipitable water: 0.72 inches Sfc-500 mean rel hum: 78.73 % Est. max temperature: 14.44 C = 57.98 F Sfc-Lift cond lev (LCL): 971.81 mb = 323.47 m = 1061.25 ft T: 6.85 C 700-500 lapse rate: 6.59 C/km ThetaE index: 1.84 C Layer 954.0- 925.0 mb Conv cond level (CCL): 876.67 mb = 1164.35 m = 3820.00 ft Mean mixing ratio: 5.23 g/kg Conv temperature: 13.73 C = 56.71 F Cap Strength: 7.96 C Lifted Index: 8.24 C Risk: None Lifted Index @300 mb: 14.51 C Lifted Index @700 mb: 5.23 C Showalter Index: 5.69 C Risk: None Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 23.50 C K Index: 24.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 59.40 Risk: None Energy Index: 1.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.24 J/kg Max Up Vert Vel: 5.87 m/s Conv Inhibition (B-): 46089.72 J/kg Cap Strength: 8.10 C Lift Cond Lev (LCL): 917.25 mb = 796.78 m = 2614.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 213 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 1008 22 160 4 -1.4 3.8 | 50 11 -8.2 -6.8 1 1000 88 115 14 -12.7 5.9 | 77 20 -19.5 -4.7 2 925 728 150 25 -12.5 21.7 | 120 22 -19.3 11.1 3 850 1414 190 13 2.3 12.8 | 116 5 -4.6 2.2 4 700 2960 195 15 3.9 14.5 | 143 5 -2.9 3.9 5 500 5510 190 19 3.3 18.7 | 157 9 -3.5 8.1 6 400 7110 205 17 7.2 15.4 | 184 5 0.4 4.8 7 300 9060 310 19 14.6 -12.2 | 341 24 7.7 -22.8 8 260 9997 320 24 15.4 -18.4 | 343 30 8.6 -29.0 9 250 10250 325 23 13.2 -18.8 | 348 30 6.4 -29.4 10 200 11680 290 13 12.2 -4.4 | 340 16 5.4 -15.0 11 150 13560 260 11 10.8 1.9 | 335 10 4.0 -8.7 12 100 16190 235 8 6.6 4.6 | 3 6 -0.3 -6.0 13 70 18480 220 3 1.9 2.3 | 31 10 -4.9 -8.3 14 50 20640 110 5 -4.7 1.7 | 52 15 -11.5 -8.9 15 30 23940 120 11 -9.5 5.5 | 73 17 -16.4 -5.1 Wind Parameters Mean winds (0-6000m): 182.8 at 16.8 knts Storm direction: 212.8 at 12.6 knts Shear (0-3000m) pos: 3.1 neg: 3.1 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 93.5 deg Storm rel helicity (0-3000m) pos: 131.1 neg: -2.7 tot: 128.3 m^2/s^2 ave: 42.8 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 4.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.57 Bulk Shear: 30.11 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 ------------------------------------------------------------------------------- 500 129 17 90 20| 0.0 18.3 18.3| 80.6 0.0 80.6 161.3 0.79| 22.6 17.8 1000 144 20 106 19| 5.3 9.2 14.4|127.0 0.0 127.0 127.0 0.71| 18.6 13.2 1500 152 18 110 16| 5.8 6.1 11.9|128.2 -2.7 125.4 83.6 0.54| 15.7 8.4 2000 160 17 114 14| 4.4 4.6 9.0|129.1 -2.7 126.4 63.2 0.54| 12.0 6.5 2500 166 17 117 12| 3.6 3.7 7.3|130.1 -2.7 127.4 51.0 0.55| 9.7 5.4 3000 171 16 120 11| 3.1 3.1 6.2|131.1 -2.7 128.3 42.8 0.56| 8.2 4.6 4000 177 16 126 9| 2.3 2.5 4.8|132.2 -2.7 129.4 32.4 0.55| 6.4 3.5 5000 181 16 131 9| 1.9 2.1 4.0|133.1 -2.7 130.4 26.1 0.55| 5.3 2.9 6000 183 17 136 9| 1.7 1.8 3.5|135.7 -2.7 132.9 22.2 0.54| 4.6 2.5 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20250419.23.gif