UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103123.upa.cvt Date: 2300Z 31 OCT 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 31 OCT 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 ------------------------------------------------------------------------------- 0 1000 -131 SFC 982 20 9.8 7.9 88 1.9 8.8 130 5 284.4 285.6 282.7 303.3 6.81 2 974 88 9.6 6.6 82 3.0 8.0 132 7 284.9 286.0 282.3 302.4 6.28 3 925 516 7.0 5.8 92 1.2 6.3 145 23 286.5 287.6 283.0 304.0 6.26 4 883 897 4.6 4.5 99 0.1 4.5 156 26 287.8 288.9 283.3 304.7 5.98 5 850 1207 3.0 3.0 100 0.0 3.0 165 29 289.3 290.3 283.5 305.2 5.59 6 703 2723 -5.1 -5.3 98 0.2 -5.2 180 32 296.5 297.1 284.4 307.4 3.66 7 700 2757 -5.3 -5.5 98 0.2 -5.4 180 32 296.6 297.3 284.4 307.4 3.62 8 676 3030 -6.9 -7.3 97 0.4 -7.1 181 33 297.8 298.4 284.4 307.7 3.27 9 665 3157 -8.7 -11.1 83 2.4 -9.5 182 34 297.2 297.6 283.2 304.7 2.46 10 661 3204 -9.3 -11.1 87 1.8 -9.9 182 34 297.0 297.5 283.2 304.6 2.48 11 650 3333 -9.7 -10.5 94 0.8 -10.0 182 34 298.0 298.5 283.8 306.0 2.64 12 619 3707 -12.9 -15.8 79 2.9 -13.7 184 36 298.5 298.8 283.0 304.1 1.80 13 617 3732 -12.9 -15.6 80 2.7 -13.7 184 36 298.8 299.1 283.2 304.5 1.84 14 615 3757 -12.7 -15.1 82 2.4 -13.4 184 36 299.3 299.6 283.5 305.3 1.92 15 610 3819 -12.9 -14.3 89 1.4 -13.3 184 36 299.8 300.1 283.9 306.2 2.07 16 608 3844 -13.1 -15.6 81 2.5 -13.8 184 36 299.8 300.2 283.7 305.6 1.87 17 597 3982 -14.5 -17.2 80 2.7 -15.2 185 37 299.8 300.1 283.4 305.0 1.66 18 568 4358 -16.7 -18.2 88 1.5 -17.1 186 38 301.5 301.8 284.0 306.6 1.60 19 539 4748 -19.9 -22.4 80 2.5 -20.4 188 40 302.2 302.4 283.8 306.0 1.18 20 534 4817 -20.3 -21.8 88 1.5 -20.6 188 40 302.5 302.8 284.0 306.6 1.25 21 530 4873 -20.9 -23.8 77 2.9 -21.5 188 40 302.5 302.7 283.8 305.9 1.06 22 525 4943 -21.5 -24.0 80 2.5 -22.0 189 41 302.6 302.8 283.8 306.0 1.05 23 518 5041 -22.3 -25.9 72 3.6 -23.0 189 41 302.8 302.9 283.7 305.7 0.89 24 500 5300 -24.3 -27.4 75 3.1 -24.8 190 42 303.4 303.6 283.8 306.1 0.81 25 480 5597 -26.7 -30.2 72 3.5 -27.2 185 43 304.0 304.1 283.8 306.2 0.65 26 427 6433 -32.9 -35.6 77 2.7 -33.2 169 45 306.5 306.5 284.5 307.9 0.43 27 400 6890 -36.7 -39.3 77 2.6 -36.9 160 46 307.3 307.4 284.7 308.4 0.32 28 388 7100 -38.5 -40.6 80 2.1 -38.7 159 48 307.6 307.7 284.8 308.6 0.28 29 309 8619 -51.6 -55.2 65 3.6 -51.7 150 66 310.0 310.0 285.4 310.3 0.07 30 302 8767 -52.9 -56.7 63 3.8 -53.0 155 63 310.2 310.2 285.5 310.4 0.06 31 300 8810 -52.9 -57.3 59 4.4 -53.0 160 63 310.8 310.8 285.7 311.0 0.06 32 290 9029 -52.9 -62.9 29 10.0 -53.1 167 59 313.8 313.8 286.7 313.9 0.03 33 286 9119 -51.5 -70.5 9 19.0 -51.8 170 57 317.1 317.1 287.8 317.1 0.01 34 282 9210 -51.5 -71.5 7 20.0 -51.8 174 56 318.3 318.3 288.2 318.4 0.01 35 258 9793 -47.7 -75.7 3 28.0 -48.2 193 46 332.1 332.1 292.3 332.2 0.01 36 251 9974 -48.9 -75.9 3 27.0 -49.3 199 42 333.0 333.0 292.5 333.0 0.01 37 250 10000 -48.7 -75.7 3 27.0 -49.1 200 42 333.7 333.7 292.7 333.7 0.01 38 220 10843 -46.9 -77.9 2 31.0 -47.5 206 41 348.9 348.9 296.4 348.9 0.00 39 201 11437 -49.5 -79.5 2 30.0 -50.0 210 40 353.9 353.9 297.5 353.9 0.00 40 200 11470 -49.3 -79.3 2 30.0 -49.8 210 40 354.7 354.7 297.6 354.7 0.00 41 150 13350 -50.7 -81.7 1 31.0 -51.3 210 39 382.7 382.7 302.7 382.7 0.00 42 147 13481 -51.5 -81.5 2 30.0 -52.1 210 38 383.5 383.5 302.8 383.6 0.00 43 142 13705 -50.7 -81.7 1 31.0 -51.3 211 37 388.8 388.8 303.6 388.8 0.00 44 121 14735 -54.9 -83.9 2 29.0 -55.4 215 31 399.3 399.3 305.1 399.3 0.00 45 116 15005 -52.3 -83.3 1 31.0 -52.9 216 29 408.9 408.9 306.4 409.0 0.00 46 100 15960 -53.5 -84.5 1 31.0 -54.1 220 24 424.4 424.4 308.2 424.4 0.00 47 83 17155 -55.5 -85.5 1 30.0 -56.1 233 18 443.5 443.5 310.2 443.5 0.00 48 71 18141 -60.3 -87.3 2 27.0 -60.7 244 13 453.5 453.5 311.2 453.6 0.00 49 70 18230 -59.7 -87.7 1 28.0 -60.2 245 13 456.7 456.7 311.5 456.7 0.00 50 58 19401 -58.7 -87.7 1 29.0 -59.3 256 16 484.2 484.2 313.8 484.2 0.00 51 52 20079 -61.9 -88.9 2 27.0 -62.3 263 17 492.1 492.1 314.4 492.1 0.00 52 50 20320 -61.9 -88.9 2 27.0 -62.4 265 18 497.6 497.6 314.8 497.6 0.00 53 41 21549 -61.1 -89.1 1 28.0 -61.7 281 19 528.7 528.7 316.8 528.7 0.00 54 35 22525 -63.9 -89.9 2 26.0 -64.4 293 20 545.8 545.8 317.9 545.9 0.00 55 32 23075 -63.3 -90.3 1 27.0 -63.9 300 21 561.6 561.6 318.7 561.6 0.00 56 30 23470 -64.9 -90.9 2 26.0 -65.4 305 21 567.7 567.7 319.0 567.7 0.00 57 25 24572 -68.1 -92.1 2 24.0 -68.5 301 23 588.9 588.9 320.1 588.9 0.00 58 23 25075 -65.9 -90.9 2 25.0 -66.5 298 24 609.6 609.6 321.0 609.6 0.00 59 20 25920 -67.3 -91.3 2 24.0 -67.8 295 25 630.2 630.2 321.9 630.2 0.00 60 19 26229 -67.7 -92.7 2 25.0 -68.2 638.2 638.2 322.2 638.3 0.00 TRP 302 8767 -52.9 -56.7 63 3.8 -53.0 155 63 310.2 310.2 285.5 310.4 0.06 WND 309 8619 -51.6 -55.2 65 3.6 -51.7 150 66 310.0 310.0 285.4 310.3 0.07 Sounding variables and indices 1000-500 mb thick: 5431.00 m Freezing level: 795.56 mb = 1768.62 m = 5802.49 ft Wetbulb zero: 796.10 mb = 1730.22 m = 5676.50 ft Precipitable water: 0.78 inches Sfc-500 mean rel hum: 90.63 % Est. max temperature: 15.45 C = 59.81 F Sfc-Lift cond lev (LCL): 954.08 mb = 259.56 m = 851.56 ft T: 8.56 C 700-500 lapse rate: 7.47 C/km ThetaE index: 0.94 C Layer 974.0- 925.0 mb Conv cond level (CCL): 893.66 mb = 798.56 m = 2619.93 ft Mean mixing ratio: 6.22 g/kg Conv temperature: 12.83 C = 55.09 F Cap Strength: 2.28 C Lifted Index: 2.11 C Risk: None Lifted Index @300 mb: 5.15 C Lifted Index @700 mb: 2.06 C Showalter Index: 1.11 C Risk: Showers probable Total Totals Index: 54.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 27.30 C K Index: 30.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 248.00 Risk: None Energy Index: 0.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.31 J/kg Max Up Vert Vel: 4.96 m/s Conv Inhibition (B-): 47011.77 J/kg Cap Strength: 2.25 C Lift Cond Lev (LCL): 909.88 mb = 651.10 m = 2136.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 208 at 25 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 ---------------------------------------------------------- 0 982 20 130 5 -3.8 3.2 | 40 24 -15.7 -18.6 1 925 516 145 23 -13.2 18.8 | 83 25 -25.0 -3.0 2 850 1207 165 29 -7.5 28.0 | 108 20 -19.3 6.2 3 700 2757 180 32 0.0 32.0 | 131 16 -11.8 10.2 4 500 5300 190 42 7.3 41.4 | 167 20 -4.5 19.5 5 400 6890 160 46 -15.7 43.2 | 128 35 -27.6 21.4 6 309 8619 150 66 -33.0 57.2 | 128 57 -44.8 35.3 7 302 8767 155 63 -26.6 57.1 | 133 52 -38.5 35.3 8 300 8810 160 63 -21.5 59.2 | 138 50 -33.4 37.4 9 250 10000 200 42 14.4 39.5 | 188 18 2.5 17.6 10 200 11470 210 40 20.0 34.6 | 213 15 8.2 12.8 11 150 13350 210 39 19.5 33.8 | 213 14 7.7 12.0 12 100 15960 220 24 15.4 18.4 | 314 5 3.6 -3.4 13 70 18230 245 13 11.8 5.5 | 0 16 -0.0 -16.3 14 50 20320 265 18 17.9 1.6 | 343 21 6.1 -20.3 15 30 23470 305 21 17.2 -12.0 | 351 34 5.4 -33.9 16 20 25920 295 25 22.7 -10.6 | 342 34 10.8 -32.4 Wind Parameters Mean winds (0-6000m): 178.5 at 33.1 knts Storm direction: 208.5 at 24.8 knts Shear (0-3000m) pos: 5.2 neg: 0.0 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 94.9 deg Storm rel helicity (0-3000m) pos: 215.1 neg: 0.0 tot: 215.1 m^2/s^2 ave: 71.7 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 6.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.17 Bulk Shear: 71.50 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 ------------------------------------------------------------------------------- 500 142 14 62 23| 18.8 0.0 18.8|118.4 0.0 118.4 236.9 1.00| 19.0 18.9 1000 149 20 77 22| 11.9 0.0 11.9|161.2 0.0 161.2 161.2 0.97| 13.5 13.0 1500 156 23 87 21| 8.9 0.0 8.9|183.7 0.0 183.7 122.5 0.95| 10.6 10.1 2000 161 25 94 20| 7.0 0.0 7.0|194.7 0.0 194.7 97.4 0.94| 8.7 8.1 2500 164 26 99 19| 5.8 0.0 5.8|205.3 0.0 205.3 82.1 0.93| 7.5 7.0 3000 167 27 104 18| 5.2 0.0 5.2|215.1 0.0 215.1 71.7 0.93| 6.7 6.2 4000 172 29 114 17| 4.4 0.0 4.4|234.2 0.0 234.2 58.5 0.93| 5.6 5.2 5000 176 31 124 17| 4.0 0.0 4.0|254.9 0.0 254.9 51.0 0.93| 5.0 4.6 6000 178 33 132 17| 3.3 0.8 4.1|259.8 -48.9 210.9 35.1 0.64| 5.1 3.3 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20251130.23.gif