UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120923.upa.cvt Date: 2300Z 9 DEC 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 9 DEC 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 -66 SFC 990 18 9.4 5.6 77 3.8 7.5 195 4 283.4 284.4 281.1 299.4 5.76 2 981 93 9.2 4.8 74 4.4 7.0 200 10 283.9 284.9 281.0 299.2 5.50 3 934 499 6.0 3.6 85 2.4 4.8 229 43 284.7 285.6 281.1 299.5 5.30 4 925 578 5.4 2.7 83 2.7 4.1 235 50 284.8 285.7 280.8 298.9 5.02 5 882 965 3.0 -4.0 60 7.0 0.1 241 52 286.2 286.8 279.3 295.5 3.22 6 859 1178 1.0 -3.2 73 4.2 -0.7 244 54 286.3 286.9 279.7 296.4 3.51 7 855 1216 0.8 -3.6 72 4.4 -1.0 244 54 286.5 287.1 279.7 296.3 3.42 8 853 1235 0.8 -4.2 69 5.0 -1.2 245 54 286.7 287.3 279.6 296.1 3.28 9 850 1263 1.0 -8.0 51 9.0 -2.4 245 54 287.2 287.6 278.8 294.4 2.46 10 844 1320 1.2 -11.8 37 13.0 -3.2 245 54 288.0 288.3 278.3 293.4 1.83 11 841 1349 1.2 -13.8 32 15.0 -3.7 245 54 288.3 288.6 278.1 293.0 1.56 12 835 1406 0.8 -20.2 19 21.0 -5.0 245 54 288.4 288.6 277.3 291.3 0.92 13 831 1445 0.4 -14.6 31 15.0 -4.3 246 54 288.4 288.7 278.1 292.9 1.48 14 824 1512 0.2 -21.8 17 22.0 -5.6 246 54 288.9 289.1 277.4 291.4 0.81 15 816 1590 -0.5 -14.5 34 14.0 -4.9 246 54 289.0 289.2 278.4 293.6 1.52 16 811 1639 -0.7 -21.7 19 21.0 -6.2 246 54 289.3 289.4 277.6 291.9 0.83 17 789 1858 -2.3 -30.3 10 28.0 -8.2 247 54 289.8 289.9 277.2 291.1 0.39 18 749 2269 -4.7 -27.7 15 23.0 -9.7 248 54 291.6 291.7 278.3 293.3 0.52 19 742 2343 -5.5 -21.5 27 16.0 -9.5 248 54 291.5 291.7 278.8 294.4 0.92 20 738 2386 -5.9 -14.9 49 9.0 -8.6 249 54 291.5 291.8 279.7 296.5 1.63 21 725 2524 -7.1 -18.1 41 11.0 -10.1 249 54 291.7 291.9 279.4 295.6 1.27 22 721 2568 -7.3 -22.3 29 15.0 -10.9 249 54 291.9 292.1 279.0 294.7 0.89 23 711 2676 -8.1 -26.1 22 18.0 -12.0 250 54 292.2 292.3 278.7 294.2 0.64 24 706 2731 -8.7 -23.7 29 15.0 -12.1 250 54 292.1 292.3 278.9 294.7 0.80 25 700 2797 -9.1 -29.1 18 20.0 -13.0 250 54 292.4 292.5 278.6 294.0 0.49 26 698 2819 -9.3 -31.3 15 22.0 -13.3 250 54 292.4 292.5 278.5 293.7 0.40 27 661 3236 -12.7 -21.7 47 9.0 -14.8 249 52 293.2 293.4 279.7 296.4 1.02 28 636 3529 -14.9 -26.9 35 12.0 -17.2 249 51 293.9 294.1 279.6 296.1 0.66 29 618 3745 -16.3 -36.3 16 20.0 -19.1 248 50 294.8 294.8 279.4 295.7 0.28 30 600 3966 -17.7 -39.7 13 22.0 -20.4 248 49 295.6 295.7 279.7 296.3 0.20 31 580 4218 -19.3 -39.3 15 20.0 -21.7 247 48 296.6 296.7 280.2 297.4 0.22 32 527 4921 -25.1 -41.1 21 16.0 -26.7 246 45 297.9 298.0 280.7 298.6 0.20 33 525 4949 -25.3 -33.3 47 8.0 -26.3 246 45 298.0 298.1 281.1 299.5 0.44 34 522 4990 -25.7 -35.7 39 10.0 -26.9 246 44 298.0 298.1 281.0 299.2 0.35 35 501 5286 -28.7 -33.7 62 5.0 -29.3 245 43 297.9 298.0 281.0 299.3 0.44 36 500 5300 -28.9 -33.9 62 5.0 -29.5 245 43 297.8 297.9 281.0 299.2 0.43 37 498 5329 -29.1 -35.1 56 6.0 -29.7 245 43 297.9 298.0 281.0 299.2 0.39 38 497 5343 -29.3 -33.9 64 4.6 -29.8 244 43 297.8 297.9 281.0 299.3 0.44 39 492 5415 -29.9 -34.0 67 4.1 -30.4 243 43 298.0 298.0 281.1 299.4 0.44 40 487 5488 -30.7 -38.7 45 8.0 -31.4 242 43 297.8 297.9 280.8 298.8 0.28 41 485 5517 -30.7 -36.7 56 6.0 -31.3 242 43 298.2 298.3 281.0 299.3 0.34 42 484 5532 -30.9 -37.9 50 7.0 -31.6 241 43 298.1 298.2 281.0 299.1 0.30 43 482 5562 -30.3 -44.3 24 14.0 -31.4 241 43 299.2 299.2 281.2 299.8 0.15 44 476 5651 -30.7 -42.7 30 12.0 -31.7 239 42 299.8 299.8 281.5 300.4 0.19 45 449 6064 -33.3 -55.3 9 22.0 -34.4 233 42 301.6 301.6 282.1 301.8 0.05 46 403 6818 -37.1 -60.1 7 23.0 -37.9 221 40 306.1 306.1 283.9 306.2 0.03 47 400 6870 -37.3 -60.3 7 23.0 -38.2 220 40 306.5 306.5 284.0 306.6 0.03 48 343 7919 -41.9 -62.9 8 21.0 -42.5 220 53 314.0 314.0 286.8 314.1 0.02 49 305 8717 -39.1 -73.1 2 34.0 -40.1 216 61 328.7 328.7 291.3 328.7 0.01 50 300 8830 -39.3 -73.3 1 34.0 -40.3 215 62 330.0 330.0 291.7 330.0 0.01 51 274 9453 -41.1 -75.1 1 34.0 -42.0 220 77 336.1 336.1 293.3 336.1 0.01 52 271 9528 -41.3 -75.3 1 34.0 -42.2 220 75 336.8 336.8 293.5 336.8 0.01 53 250 10080 -40.5 -76.5 1 36.0 -41.6 220 60 345.9 345.9 295.7 345.9 0.00 54 241 10330 -40.3 -76.3 1 36.0 -41.4 220 59 349.8 349.8 296.6 349.8 0.00 55 219 10978 -43.5 -77.5 1 34.0 -44.4 220 56 354.6 354.6 297.6 354.6 0.00 56 200 11590 -42.3 -79.3 1 37.0 -43.4 220 54 365.8 365.8 299.8 365.8 0.00 57 199 11624 -42.1 -79.1 1 37.0 -43.2 220 54 366.6 366.6 299.9 366.7 0.00 58 171 12632 -48.1 -81.1 1 33.0 -48.8 217 58 372.9 372.9 301.1 373.0 0.00 59 150 13490 -49.7 -82.7 1 33.0 -50.4 215 61 384.4 384.4 302.9 384.4 0.00 60 100 16100 -56.3 -85.3 1 29.0 -56.8 235 59 418.9 418.9 307.6 419.0 0.00 61 85 17125 -59.9 -86.9 2 27.0 -60.3 258 42 431.6 431.6 309.0 431.6 0.00 62 81 17427 -58.1 -87.1 1 29.0 -58.6 265 37 441.3 441.3 310.0 441.3 0.00 63 70 18340 -61.7 -87.7 2 26.0 -62.0 285 22 452.4 452.4 311.1 452.4 0.00 64 65 18796 -63.3 -89.3 2 26.0 -63.6 282 22 458.6 458.6 311.7 458.6 0.00 65 60 19290 -60.9 -87.9 2 27.0 -61.3 278 23 474.6 474.6 313.0 474.6 0.00 66 50 20410 -65.3 -89.3 2 24.0 -65.6 270 24 489.6 489.6 314.2 489.6 0.00 67 47 20786 -66.9 -90.9 2 24.0 -67.1 271 25 494.5 494.5 314.5 494.5 0.00 68 37 22247 -63.1 -90.1 1 27.0 -63.6 276 28 539.3 539.3 317.5 539.3 0.00 69 30 23530 -66.1 -91.1 2 25.0 -66.5 280 31 564.4 564.4 318.9 564.5 0.00 70 28 23946 -67.7 -91.7 2 24.0 -68.1 282 35 571.2 571.2 319.2 571.3 0.00 71 24 24885 -62.5 -90.5 1 28.0 -63.3 286 44 612.1 612.1 321.2 612.1 0.00 72 20 26010 -61.9 -90.9 1 29.0 -63.0 290 55 646.7 646.7 322.6 646.7 0.00 73 19 26328 -61.3 -90.3 1 29.0 -62.5 658.1 658.1 323.0 658.2 0.01 74 14 28199 -66.7 -92.7 1 26.0 -67.5 699.9 699.9 324.4 699.9 0.00 TRP 343 7919 -41.9 -62.9 8 21.0 -42.5 220 53 314.0 314.0 286.8 314.1 0.02 WND 274 9453 -41.1 -75.1 1 34.0 -42.0 220 77 336.1 336.1 293.3 336.1 0.01 Sounding variables and indices 1000-500 mb thick: 5366.00 m Freezing level: 821.71 mb = 1534.66 m = 5034.92 ft Wetbulb zero: 879.09 mb = 991.87 m = 3254.14 ft Precipitable water: 0.35 inches Sfc-500 mean rel hum: 36.64 % Est. max temperature: 14.33 C = 57.79 F Sfc-Lift cond lev (LCL): 934.37 mb = 495.32 m = 1625.04 ft T: 6.03 C 700-500 lapse rate: 7.91 C/km ThetaE index: 5.12 C Layer 855.0- 831.0 mb Conv cond level (CCL): 866.73 mb = 1106.11 m = 3628.93 ft Mean mixing ratio: 4.99 g/kg Conv temperature: 12.33 C = 54.20 F Cap Strength: 1.88 C Lifted Index: 0.96 C Risk: Showers probable Lifted Index @300 mb: 22.26 C Lifted Index @700 mb: 1.08 C Showalter Index: 4.07 C Risk: None Total Totals Index: 50.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.90 C Cross Totals Index: 20.90 C K Index: 1.90 Risk: None Sweat Index: 187.00 Risk: None Energy Index: 1.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.28 J/kg Max Up Vert Vel: 4.07 m/s Conv Inhibition (B-): 51701.68 J/kg Cap Strength: 1.84 C Lift Cond Lev (LCL): 887.99 mb = 910.12 m = 2985.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 275 at 36 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 ---------------------------------------------------------- 0 990 18 195 4 1.0 3.9 | 102 35 -34.5 7.1 1 925 578 235 50 41.0 28.7 | 190 32 5.4 31.9 2 850 1263 245 54 48.9 22.8 | 207 29 13.4 26.0 3 700 2797 250 54 50.7 18.5 | 215 26 15.2 21.7 4 500 5300 245 43 39.0 18.2 | 189 22 3.4 21.4 5 400 6870 220 40 25.7 30.6 | 164 35 -9.9 33.8 6 343 7919 220 53 34.1 40.6 | 178 44 -1.5 43.8 7 300 8830 215 62 35.6 50.8 | 180 54 -0.0 54.0 8 274 9453 220 77 49.5 59.0 | 193 64 13.9 62.2 9 250 10080 220 60 38.6 46.0 | 183 49 3.0 49.2 10 200 11590 220 54 34.7 41.4 | 179 45 -0.9 44.6 11 150 13490 215 61 35.0 50.0 | 179 53 -0.6 53.2 12 100 16100 235 59 48.3 33.8 | 199 39 12.8 37.0 13 70 18340 285 22 21.3 -5.7 | 80 15 -14.3 -2.5 14 50 20410 270 24 24.0 -0.0 | 105 12 -11.6 3.2 15 30 23530 280 31 30.5 -5.4 | 67 5 -5.0 -2.2 16 20 26010 290 55 51.7 -18.8 | 314 22 16.1 -15.6 Wind Parameters Mean winds (0-6000m): 245.1 at 47.6 knts Storm direction: 275.1 at 35.7 knts Shear (0-3000m) pos: 8.7 neg: 0.0 tot: 8.7 10-3/s Storm rel Dir Shear (0-3000m): 111.5 deg Storm rel helicity (0-3000m) pos: 533.7 neg: -5.7 tot: 528.1 m^2/s^2 ave: 176.0 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 11.3 stream: 10.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.10 Bulk Shear: 79.11 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 ------------------------------------------------------------------------------- 500 232 24 138 24| 43.1 0.0 43.1|379.0 0.0 379.0 757.9 1.00| 45.6 45.4 1000 236 38 170 25| 25.7 0.0 25.7|479.0 0.0 479.0 479.0 0.99| 29.2 28.9 1500 239 43 183 25| 17.7 0.0 17.7|511.2 0.0 511.2 340.8 0.99| 21.0 20.7 2000 242 46 191 25| 13.3 0.0 13.3|520.4 0.0 520.4 260.2 0.98| 16.1 15.8 2500 243 48 195 26| 10.6 0.0 10.6|529.4 0.0 529.4 211.7 0.98| 13.2 12.9 3000 244 49 199 26| 8.7 0.0 8.7|533.7 -5.7 528.1 176.0 0.95| 11.3 10.7 4000 245 49 201 25| 6.5 0.6 7.1|533.7 -33.1 500.6 125.2 0.83| 9.1 7.5 5000 246 49 201 25| 5.2 1.0 6.2|533.7 -59.4 474.3 94.9 0.72| 7.8 5.6 6000 245 48 198 24| 4.4 1.5 5.8|533.7-104.2 429.5 71.6 0.55| 7.3 4.0 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20251209.23.gif