UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041723.upa.cvt Date: 2300Z 17 APR 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 17 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 1011 15 7.2 5.8 91 1.4 6.5 50 1 279.5 280.4 279.1 295.1 5.72 1 1007 48 7.2 6.0 92 1.2 6.6 74 5 279.8 280.8 279.4 295.7 5.82 2 1000 105 7.4 5.9 90 1.5 6.6 115 11 280.5 281.5 279.8 296.5 5.82 3 994 155 7.6 4.9 83 2.7 6.2 117 11 281.2 282.2 279.7 296.3 5.46 4 983 246 7.0 4.7 85 2.3 5.9 122 10 281.5 282.5 279.8 296.6 5.45 5 971 347 6.4 3.3 81 3.1 4.9 126 10 281.9 282.8 279.4 295.8 4.99 6 968 372 6.6 1.6 70 5.0 4.3 128 10 282.4 283.1 279.0 294.8 4.43 7 962 424 6.4 -0.6 61 7.0 3.3 130 10 282.7 283.3 278.3 293.4 3.80 8 955 483 6.0 -1.0 61 7.0 2.9 133 9 282.9 283.5 278.3 293.3 3.72 9 945 569 5.2 -1.8 61 7.0 2.2 137 9 282.9 283.5 278.1 292.9 3.54 10 925 744 4.4 -5.6 48 10.0 0.5 145 8 283.8 284.3 277.4 291.6 2.72 11 920 788 4.0 -6.0 48 10.0 0.1 143 8 283.8 284.3 277.4 291.5 2.65 12 894 1021 2.4 -9.6 41 12.0 -1.9 135 9 284.5 284.9 276.9 290.5 2.06 13 881 1139 1.2 -8.8 47 10.0 -2.4 131 10 284.5 284.9 277.1 290.9 2.23 14 865 1287 0.0 -10.0 47 10.0 -3.4 125 10 284.7 285.1 277.0 290.7 2.06 15 861 1324 0.0 -14.0 34 14.0 -4.4 124 11 285.1 285.4 276.4 289.6 1.50 16 857 1361 0.0 -14.0 34 14.0 -4.4 122 11 285.5 285.7 276.6 290.0 1.51 17 854 1389 -0.3 -13.3 37 13.0 -4.4 121 11 285.4 285.7 276.7 290.2 1.60 18 852 1408 -0.5 -11.5 43 11.0 -4.1 121 11 285.4 285.8 277.1 290.9 1.86 19 850 1427 -0.7 -12.7 40 12.0 -4.6 120 11 285.4 285.7 276.9 290.4 1.69 20 845 1474 -0.9 -14.9 34 14.0 -5.1 121 11 285.7 285.9 276.6 289.9 1.42 21 842 1502 -1.1 -13.1 40 12.0 -4.9 122 11 285.8 286.1 277.0 290.7 1.65 22 834 1578 -1.9 -14.9 36 13.0 -5.8 124 12 285.7 286.0 276.6 290.0 1.44 23 818 1732 -3.3 -12.3 50 9.0 -6.2 128 13 285.8 286.1 277.2 291.2 1.82 24 803 1878 -4.5 -16.5 39 12.0 -7.9 132 13 286.0 286.3 276.6 290.0 1.31 25 793 1976 -5.3 -12.3 58 7.0 -7.5 134 14 286.2 286.5 277.5 291.7 1.87 26 784 2065 -5.9 -13.9 53 8.0 -8.3 137 14 286.5 286.8 277.4 291.5 1.66 27 780 2105 -6.3 -13.3 58 7.0 -8.4 138 15 286.5 286.8 277.5 291.7 1.76 28 779 2115 -6.5 -13.5 58 7.0 -8.6 138 15 286.4 286.7 277.4 291.5 1.73 29 760 2308 -7.7 -15.7 53 8.0 -9.9 143 16 287.1 287.4 277.4 291.6 1.48 30 745 2462 -9.1 -16.1 57 7.0 -11.0 147 16 287.2 287.5 277.4 291.6 1.46 31 726 2661 -10.5 -14.0 75 3.5 -11.5 152 17 287.8 288.2 278.2 293.1 1.78 32 723 2693 -10.7 -15.1 70 4.4 -11.9 153 18 288.0 288.2 278.1 292.8 1.63 33 714 2789 -11.3 -15.7 70 4.4 -12.5 156 18 288.3 288.6 278.2 293.1 1.57 34 710 2832 -11.5 -13.8 83 2.3 -12.2 157 18 288.6 288.9 278.7 294.1 1.85 35 707 2865 -11.7 -14.5 80 2.8 -12.5 158 19 288.7 289.0 278.6 294.0 1.76 36 704 2897 -11.9 -16.9 66 5.0 -13.2 159 19 288.8 289.1 278.2 293.2 1.44 37 700 2941 -12.1 -18.1 61 6.0 -13.6 160 19 289.1 289.3 278.2 293.1 1.31 38 691 3040 -12.7 -19.7 56 7.0 -14.4 162 19 289.5 289.7 278.2 293.0 1.16 39 654 3456 -16.5 -20.6 71 4.1 -17.4 171 21 289.8 290.0 278.3 293.3 1.13 40 653 3467 -15.9 -18.2 82 2.3 -16.4 171 21 290.6 290.8 279.0 294.9 1.40 41 637 3653 -16.9 -20.4 74 3.5 -17.7 175 22 291.5 291.7 279.1 295.2 1.18 42 630 3736 -17.1 -19.8 79 2.7 -17.7 177 22 292.2 292.4 279.6 296.1 1.26 43 628 3760 -17.1 -20.0 78 2.9 -17.8 178 22 292.5 292.7 279.7 296.3 1.24 44 620 3856 -16.7 -19.7 78 3.0 -17.4 180 23 294.0 294.3 280.5 298.0 1.29 45 608 4002 -17.7 -20.5 79 2.8 -18.3 183 23 294.5 294.7 280.6 298.3 1.23 46 595 4164 -16.9 -18.5 87 1.6 -17.3 187 24 297.3 297.5 282.1 301.9 1.49 47 552 4723 -19.5 -21.6 83 2.1 -20.0 199 26 300.6 300.9 283.2 304.6 1.23 48 542 4859 -20.3 -23.2 78 2.9 -20.9 202 27 301.3 301.5 283.3 304.8 1.09 49 541 4872 -20.3 -23.1 78 2.8 -20.9 202 27 301.4 301.6 283.4 305.0 1.10 50 524 5108 -22.3 -24.2 84 1.9 -22.7 207 28 301.8 302.0 283.4 305.1 1.03 51 518 5192 -22.7 -25.1 81 2.4 -23.2 209 28 302.3 302.5 283.5 305.4 0.96 52 500 5450 -24.7 -26.6 84 1.9 -25.1 215 29 302.9 303.1 283.7 305.8 0.87 53 400 7040 -36.1 -37.7 85 1.6 -36.2 215 45 308.1 308.1 285.1 309.4 0.37 54 300 8980 -48.7 -59.7 27 11.0 -49.0 220 54 316.7 316.7 287.7 316.9 0.04 55 259 9933 -54.1 -65.1 25 11.0 -54.3 210 41 322.4 322.4 289.5 322.5 0.02 56 250 10160 -53.9 -67.9 16 14.0 -54.1 220 40 325.9 325.9 290.6 326.0 0.02 57 200 11630 -46.9 -80.9 1 34.0 -47.6 215 26 358.5 358.5 298.4 358.5 0.00 58 150 13540 -47.1 -83.1 1 36.0 -48.0 220 22 388.9 388.9 303.6 388.9 0.00 59 100 16190 -52.1 -86.1 1 34.0 -52.8 200 19 427.1 427.1 308.5 427.1 0.00 60 81 17547 -53.3 -87.3 1 34.0 -54.1 185 14 451.1 451.1 311.0 451.1 0.00 61 78 17790 -51.9 -86.9 1 35.0 -52.8 183 13 458.9 458.9 311.7 458.9 0.00 62 70 18490 -51.7 -86.7 1 35.0 -52.8 175 11 473.8 473.8 313.0 473.8 0.00 63 67 18775 -51.3 -87.3 1 36.0 -52.5 183 11 480.6 480.6 313.5 480.6 0.00 64 62 19279 -53.5 -87.5 1 34.0 -54.5 197 11 486.5 486.5 314.0 486.5 0.00 65 59 19599 -52.3 -87.3 1 35.0 -53.5 205 11 496.2 496.2 314.7 496.2 0.00 66 54 20172 -53.5 -87.5 1 34.0 -54.6 221 11 506.1 506.1 315.4 506.2 0.00 67 50 20670 -52.5 -87.5 1 35.0 -53.8 235 11 519.8 519.8 316.3 519.8 0.00 68 45 21349 -52.1 -88.1 1 36.0 -53.6 211 11 536.6 536.6 317.3 536.6 0.00 69 42 21793 -52.9 -87.9 1 35.0 -54.4 196 10 545.3 545.3 317.8 545.4 0.00 70 41 21949 -51.3 -88.3 0 37.0 -53.1 190 10 553.1 553.1 318.3 553.1 0.00 71 37 22614 -50.9 -87.9 0 37.0 -52.9 167 10 570.6 570.6 319.2 570.6 0.00 72 30 23970 -52.7 -88.7 1 36.0 -54.7 120 9 601.0 601.0 320.6 601.0 0.00 73 24 25404 -54.5 -89.5 1 35.0 -56.5 106 14 635.3 635.3 322.1 635.4 0.01 74 21 26264 -51.9 -88.9 0 37.0 -54.8 98 17 667.9 667.9 323.3 668.0 0.01 75 20 26580 -51.7 -88.7 0 37.0 -54.7 95 18 677.9 677.9 323.7 678.0 0.01 76 15 28454 -49.9 -87.9 0 38.0 -54.2 742.0 742.0 325.7 742.1 0.01 77 13 29386 -51.7 -88.7 0 37.0 -55.8 766.8 766.8 326.4 766.9 0.01 78 11 30472 -50.5 -88.5 0 38.0 -55.5 808.7 808.7 327.4 808.8 0.01 TRP 259 9933 -54.1 -65.1 25 11.0 -54.3 210 41 322.4 322.4 289.5 322.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5345.00 m Freezing level: 857.00 mb = 1361.27 m = 4466.05 ft Wetbulb zero: 918.57 mb = 800.77 m = 2627.16 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 66.74 % Est. max temperature: 12.84 C = 55.11 F Sfc-Lift cond lev (LCL): 989.55 mb = 191.52 m = 628.35 ft T: 7.36 C 700-500 lapse rate: 5.02 C/km ThetaE index: 6.04 C Layer 971.0- 881.0 mb Conv cond level (CCL): 841.19 mb = 1510.05 m = 4954.19 ft Mean mixing ratio: 4.17 g/kg Conv temperature: 13.51 C = 56.31 F Cap Strength: 8.33 C Lifted Index: 8.50 C Risk: None Lifted Index @300 mb: 16.14 C Lifted Index @700 mb: 0.89 C Showalter Index: 11.20 C Risk: None Total Totals Index: 36.00 C Risk: None Vertical Totals Index: 24.00 C Cross Totals Index: 12.00 C K Index: 5.30 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 3.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.56 J/kg Max Up Vert Vel: 5.58 m/s Conv Inhibition (B-): 62913.58 J/kg Cap Strength: 8.48 C Lift Cond Lev (LCL): 885.01 mb = 1102.63 m = 3617.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 211 at 14 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 1011 15 50 1 -0.8 -0.6 | 32 15 -8.3 -13.0 1 1000 105 115 11 -10.0 4.6 | 66 19 -17.5 -7.7 2 925 744 145 8 -4.6 6.6 | 64 13 -12.1 -5.8 3 850 1427 120 11 -9.5 5.5 | 68 18 -17.0 -6.8 4 700 2941 160 19 -6.5 17.9 | 112 15 -14.0 5.5 5 500 5450 215 29 16.6 23.8 | 219 15 9.1 11.4 6 400 7040 215 45 25.8 36.9 | 217 31 18.3 24.5 7 300 8980 220 54 34.7 41.4 | 223 40 27.2 29.1 8 259 9933 210 41 20.5 35.5 | 209 27 13.0 23.2 9 250 10160 220 40 25.7 30.6 | 225 26 18.2 18.3 10 200 11630 215 26 14.9 21.3 | 220 12 7.4 9.0 11 150 13540 220 22 14.1 16.9 | 236 8 6.7 4.5 12 100 16190 200 19 6.5 17.9 | 170 6 -1.0 5.5 13 70 18490 175 11 -1.0 11.0 | 81 9 -8.4 -1.4 14 50 20670 235 11 9.0 6.3 | 346 6 1.5 -6.0 15 30 23970 120 9 -7.8 4.5 | 63 17 -15.3 -7.8 16 20 26580 95 18 -17.9 1.6 | 67 28 -25.4 -10.7 Wind Parameters Mean winds (0-6000m): 181.3 at 19.2 knts Storm direction: 211.3 at 14.4 knts Shear (0-3000m) pos: 3.3 neg: 0.6 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 81.4 deg Storm rel helicity (0-3000m) pos: 107.1 neg: -2.5 tot: 104.6 m^2/s^2 ave: 34.9 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 4.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.43 Bulk Shear: 36.00 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 ------------------------------------------------------------------------------- 500 122 9 64 17| 9.3 0.0 9.3| 44.3 -0.4 43.8 87.7 0.71| 15.0 10.6 1000 130 9 65 16| 4.7 0.0 4.7| 46.7 -2.3 44.4 44.4 0.58| 9.2 5.4 1500 128 9 66 16| 3.1 1.1 4.2| 50.8 -2.5 48.3 32.2 0.52| 7.4 3.9 2000 129 10 69 17| 3.2 0.8 4.1| 69.2 -2.5 66.7 33.4 0.59| 6.6 3.9 2500 133 11 74 16| 3.3 0.7 4.0| 88.3 -2.5 85.8 34.3 0.65| 6.2 4.0 3000 140 12 80 16| 3.3 0.6 3.9|107.1 -2.5 104.6 34.9 0.69| 6.0 4.1 4000 152 15 93 14| 3.2 0.4 3.6|138.3 -2.5 135.8 34.0 0.75| 5.6 4.2 5000 167 17 110 12| 3.1 0.3 3.4|172.3 -2.5 169.8 34.0 0.79| 5.6 4.4 6000 181 19 134 10| 2.8 0.3 3.1|189.4 -3.7 185.6 30.9 0.73| 5.6 4.1 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20250417.23.gif