UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100611.upa.cvt Date: 1100Z 6 OCT 25 Searching for EG918... Searching the city database file for: EG918 ... Date:1100Z 6 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 ------------------------------------------------------------------------------- SFC 1018 16 16.0 12.6 80 3.4 14.0 230 4 287.7 289.3 286.4 312.9 9.03 1 1000 167 14.2 10.9 81 3.3 12.3 210 14 287.4 288.8 285.4 310.3 8.21 2 969 432 11.8 9.8 88 2.0 10.7 230 21 287.5 288.9 285.1 309.6 7.87 3 948 615 10.8 7.0 77 3.8 8.8 244 26 288.3 289.5 284.2 307.1 6.64 4 940 686 11.0 5.0 66 6.0 7.8 250 27 289.2 290.2 283.7 305.8 5.82 5 933 749 12.8 0.8 44 12.0 6.9 254 29 291.7 292.4 283.1 304.3 4.34 6 929 785 13.0 2.0 47 11.0 7.4 257 30 292.2 293.1 283.8 306.1 4.76 7 927 803 13.2 3.2 51 10.0 8.0 259 31 292.6 293.6 284.4 307.7 5.19 8 925 821 13.2 5.2 58 8.0 8.9 260 31 292.8 293.9 285.4 310.1 6.00 9 923 839 13.6 8.6 72 5.0 10.7 259 31 293.4 294.8 287.2 315.3 7.61 10 917 894 13.6 6.6 63 7.0 9.7 257 31 293.9 295.1 286.5 313.2 6.67 11 913 931 13.8 10.2 79 3.6 11.6 256 31 294.5 296.1 288.5 319.2 8.58 12 908 978 13.6 11.1 85 2.5 12.1 255 31 294.8 296.4 289.1 321.2 9.17 13 872 1319 13.8 11.9 88 1.9 12.6 243 30 298.4 300.2 291.1 327.8 10.09 14 850 1534 12.4 11.3 93 1.1 11.7 235 30 299.1 300.9 291.2 328.2 9.94 15 807 1968 9.0 8.8 99 0.2 8.9 240 27 300.0 301.6 290.6 326.0 8.84 16 765 2410 7.4 5.1 85 2.3 6.1 246 23 302.9 304.2 290.1 324.5 7.22 17 727 2828 3.8 3.8 100 0.0 3.8 251 20 303.4 304.7 290.0 324.2 6.93 18 723 2873 3.6 3.0 96 0.6 3.3 252 19 303.7 304.9 289.8 323.5 6.58 19 722 2884 3.4 1.8 89 1.6 2.5 252 19 303.6 304.7 289.3 321.8 6.04 20 721 2896 3.4 -0.2 77 3.6 1.6 252 19 303.7 304.6 288.6 319.5 5.23 21 720 2907 4.0 -2.0 65 6.0 1.1 252 19 304.5 305.3 288.2 318.5 4.59 22 718 2930 6.2 -2.8 52 9.0 1.8 252 19 307.1 307.9 288.9 320.5 4.33 23 712 2999 6.2 -4.8 45 11.0 1.0 253 18 307.9 308.6 288.6 319.6 3.76 24 700 3138 5.2 -4.8 48 10.0 0.5 255 17 308.2 309.0 288.8 320.2 3.82 25 664 3567 1.8 -8.2 47 10.0 -2.5 255 20 309.1 309.7 288.4 318.9 3.10 26 646 3788 0.0 -8.0 55 8.0 -3.4 255 21 309.5 310.1 288.6 319.7 3.24 27 643 3826 0.0 -8.0 55 8.0 -3.4 255 21 309.9 310.5 288.8 320.2 3.25 28 641 3851 0.0 -4.8 70 4.8 -2.2 255 21 310.2 311.0 289.8 323.3 4.18 29 619 4130 -1.5 -5.9 72 4.4 -3.5 255 23 311.6 312.3 290.0 324.2 3.98 30 615 4182 -1.5 -7.5 64 6.0 -4.1 255 23 312.2 312.8 289.8 323.4 3.54 31 582 4619 -4.5 -8.4 74 3.9 -6.2 255 26 313.6 314.3 290.2 324.8 3.49 32 572 4756 -4.9 -9.8 68 4.9 -6.9 255 27 314.7 315.3 290.3 325.0 3.18 33 523 5453 -11.1 -11.5 97 0.4 -11.2 255 31 315.4 316.0 290.3 325.3 3.03 34 519 5512 -9.7 -15.7 62 6.0 -11.8 255 31 317.8 318.2 290.3 325.0 2.17 35 510 5647 -10.7 -17.7 56 7.0 -13.0 255 32 318.2 318.5 290.1 324.4 1.87 36 506 5708 -10.7 -22.7 37 12.0 -14.1 255 32 318.9 319.1 289.7 323.1 1.22 37 500 5800 -11.1 -26.1 28 15.0 -14.9 255 33 319.5 319.7 289.6 322.7 0.91 38 494 5892 -11.3 -26.3 28 15.0 -15.2 255 34 320.4 320.5 289.8 323.5 0.90 39 493 5908 -11.5 -20.5 47 9.0 -14.2 255 34 320.3 320.6 290.4 325.5 1.52 40 483 6064 -12.9 -17.7 67 4.8 -14.5 256 35 320.5 320.9 290.9 327.1 1.97 41 460 6433 -15.5 -21.5 60 6.0 -17.2 257 37 321.7 322.0 290.8 326.8 1.49 42 437 6817 -18.7 -21.2 81 2.5 -19.4 258 40 322.4 322.7 291.1 327.9 1.61 43 419 7129 -20.5 -25.5 64 5.0 -21.7 259 43 324.0 324.2 291.2 328.0 1.15 44 416 7182 -20.9 -24.1 75 3.2 -21.7 259 43 324.2 324.4 291.3 328.7 1.31 45 400 7470 -22.9 -27.6 65 4.7 -23.9 260 45 325.2 325.4 291.3 328.7 0.99 46 395 7562 -23.7 -29.7 58 6.0 -24.9 260 45 325.4 325.5 291.2 328.3 0.82 47 386 7730 -25.3 -31.3 57 6.0 -26.4 260 45 325.4 325.5 291.2 328.0 0.72 48 378 7882 -26.3 -35.3 42 9.0 -27.7 260 45 326.0 326.1 291.1 327.9 0.50 49 361 8213 -28.9 -36.9 46 8.0 -30.0 260 44 326.9 327.0 291.3 328.5 0.45 50 359 8252 -29.1 -34.1 62 5.0 -29.9 260 44 327.1 327.2 291.5 329.3 0.59 51 354 8352 -29.7 -37.7 46 8.0 -30.7 260 44 327.6 327.7 291.5 329.2 0.42 52 348 8474 -30.7 -36.7 56 6.0 -31.5 260 44 327.9 328.0 291.6 329.6 0.47 53 347 8494 -30.9 -38.9 45 8.0 -31.9 260 44 327.9 328.0 291.5 329.3 0.38 54 341 8618 -31.9 -39.9 45 8.0 -32.8 260 44 328.2 328.2 291.6 329.5 0.35 55 300 9510 -38.9 -53.9 19 15.0 -39.7 260 43 330.5 330.6 291.9 330.9 0.08 56 250 10740 -47.5 -65.5 11 18.0 -48.0 255 60 335.4 335.5 293.2 335.5 0.02 57 212 11808 -52.4 -70.4 10 18.0 -52.7 255 70 344.0 344.0 295.3 344.1 0.01 58 200 12180 -54.1 -72.1 9 18.0 -54.4 255 57 347.1 347.1 296.0 347.1 0.01 59 150 13990 -62.9 -79.9 8 17.0 -63.0 250 42 361.7 361.7 299.0 361.7 0.00 60 132 14769 -66.7 -82.7 9 16.0 -66.8 265 43 368.4 368.4 300.3 368.4 0.00 61 100 16470 -60.7 -85.7 2 25.0 -61.0 265 29 410.4 410.4 306.6 410.5 0.00 62 83 17611 -67.3 -87.3 4 20.0 -67.4 278 17 419.5 419.5 307.6 419.5 0.00 63 70 18650 -62.5 -88.5 2 26.0 -62.8 290 6 450.7 450.7 310.9 450.7 0.00 64 68 18828 -62.1 -88.1 2 26.0 -62.4 279 6 455.3 455.3 311.4 455.3 0.00 65 61 19492 -65.7 -89.7 2 24.0 -66.0 239 6 461.6 461.6 311.9 461.7 0.00 66 54 20237 -62.5 -89.5 1 27.0 -62.9 194 6 485.4 485.4 313.9 485.4 0.00 67 50 20710 -63.1 -89.1 2 26.0 -63.5 165 6 494.8 494.8 314.6 494.8 0.00 68 44 21492 -64.9 -89.9 2 25.0 -65.3 199 7 508.8 508.8 315.5 508.8 0.00 69 39 22232 -62.1 -89.1 2 27.0 -62.7 231 7 533.8 533.8 317.2 533.8 0.00 70 35 22897 -63.9 -89.9 2 26.0 -64.4 259 8 545.8 545.8 317.9 545.9 0.00 71 30 23850 -59.9 -88.9 1 29.0 -60.8 300 9 581.3 581.3 319.8 581.4 0.00 72 28 24282 -59.9 -88.9 1 29.0 -60.9 297 11 592.9 592.9 320.3 593.0 0.01 73 24 25241 -63.1 -90.1 1 27.0 -63.9 292 15 610.4 610.4 321.1 610.4 0.00 74 21 26066 -62.3 -90.3 1 28.0 -63.3 287 18 636.5 636.5 322.2 636.6 0.01 75 20 26370 -58.9 -88.9 1 30.0 -60.4 285 19 655.9 655.9 322.9 655.9 0.01 76 15 28182 -57.3 -88.3 1 31.0 -59.5 717.4 717.5 325.0 717.5 0.01 77 14 28618 -57.5 -88.5 1 31.0 -59.8 731.1 731.1 325.4 731.1 0.01 78 12 29603 -52.7 -86.7 1 34.0 -56.6 781.0 781.0 326.8 781.2 0.02 TRP 132 14769 -66.7 -82.7 9 16.0 -66.8 265 43 368.4 368.4 300.3 368.4 0.00 WND 212 11808 -52.4 -70.4 10 18.0 -52.7 255 70 344.0 344.0 295.3 344.1 0.01 Sounding variables and indices 1000-500 mb thick: 5633.00 m Freezing level: 641.00 mb = 3850.66 m = 12633.24 ft Wetbulb zero: 694.11 mb = 3206.61 m = 10520.26 ft Precipitable water: 1.33 inches Sfc-500 mean rel hum: 75.21 % Est. max temperature: 26.92 C = 80.46 F Sfc-Lift cond lev (LCL): 967.66 mb = 443.49 m = 1454.99 ft T: 11.74 C 700-500 lapse rate: 6.12 C/km ThetaE index: 9.76 C Layer 807.0- 718.0 mb Conv cond level (CCL): 735.91 mb = 2728.21 m = 8950.72 ft Mean mixing ratio: 7.28 g/kg Conv temperature: 31.68 C = 89.02 F Cap Strength: 11.37 C Lifted Index: 11.67 C Risk: None Lifted Index @300 mb: 15.28 C Lifted Index @700 mb: 9.69 C Showalter Index: 1.01 C Risk: Showers probable Total Totals Index: 45.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 22.40 C K Index: 24.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 296.35 Risk: None Energy Index: -1.11 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.89 J/kg Max Up Vert Vel: 6.77 m/s Conv Inhibition (B-): 48340.19 J/kg Cap Strength: 11.14 C Lift Cond Lev (LCL): 907.94 mb = 978.09 m = 3208.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 280 at 19 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 16 230 4 3.1 2.6 | 110 16 -15.3 5.7 1 1000 167 210 14 7.0 12.1 | 143 19 -11.4 15.2 2 925 821 260 31 30.5 5.4 | 235 15 12.1 8.5 3 850 1534 235 30 24.6 17.2 | 197 21 6.2 20.3 4 700 3138 255 17 16.4 4.4 | 165 8 -2.0 7.5 5 500 5800 255 33 31.9 8.5 | 229 18 13.5 11.7 6 400 7470 260 45 44.3 7.8 | 247 28 25.9 10.9 7 300 9510 260 43 42.3 7.5 | 246 26 23.9 10.6 8 250 10740 255 60 58.0 15.5 | 245 44 39.5 18.6 9 212 11808 255 70 67.6 18.1 | 247 54 49.2 21.2 10 200 12180 255 57 55.1 14.8 | 244 41 36.6 17.9 11 150 13990 250 42 39.5 14.4 | 230 27 21.1 17.5 12 132 14769 265 43 42.8 3.7 | 254 25 24.4 6.9 13 100 16470 265 29 28.9 2.5 | 242 12 10.5 5.6 14 70 18650 290 6 5.6 -2.1 | 95 13 -12.8 1.1 15 50 20710 165 6 -1.6 5.8 | 114 22 -20.0 8.9 16 30 23850 300 9 7.8 -4.5 | 83 11 -10.6 -1.4 17 20 26370 285 19 18.4 -4.9 | 2 2 -0.1 -1.8 Wind Parameters Mean winds (0-6000m): 249.6 at 24.9 knts Storm direction: 279.6 at 18.7 knts Shear (0-3000m) pos: 3.4 neg: 1.6 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 61.6 deg Storm rel helicity (0-3000m) pos: 148.5 neg: -68.5 tot: 80.1 m^2/s^2 ave: 26.7 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 10.8 stream: 3.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.09 Bulk Shear: 21.04 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 ------------------------------------------------------------------------------- 500 225 16 152 16| 19.7 0.0 19.7| 96.9 0.0 96.9 193.8 0.96| 23.2 22.4 1000 246 22 189 12| 13.9 0.0 13.9|148.5 -13.0 135.6 135.6 0.81| 20.3 16.4 1500 246 25 198 14| 9.3 3.2 12.5|148.5 -52.2 96.3 64.2 0.49| 16.7 8.2 2000 243 26 197 15| 6.3 2.4 8.7|148.5 -55.5 93.1 46.5 0.43| 13.8 6.0 2500 243 25 196 15| 4.5 1.9 6.4|148.5 -60.9 87.6 35.1 0.37| 12.0 4.5 3000 244 24 194 14| 3.4 1.6 5.0|148.5 -68.5 80.1 26.7 0.30| 10.8 3.2 4000 246 23 192 13| 2.7 1.2 3.9|159.0 -70.1 88.9 22.2 0.33| 8.9 2.9 5000 248 24 196 12| 2.2 1.1 3.3|171.4 -70.1 101.3 20.3 0.36| 7.7 2.8 6000 250 25 203 13| 2.1 1.1 3.2|185.9 -70.1 115.8 19.3 0.37| 7.0 2.6 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20251006.11.gif