UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121223.upa.cvt Date: 2300Z 12 DEC 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 12 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 ------------------------------------------------------------------------------- SFC 1016 17 4.6 3.6 93 1.0 4.1 175 7 276.5 277.3 276.5 289.7 4.87 1 1014 33 5.4 3.4 87 2.0 4.5 180 9 277.4 278.3 276.9 290.6 4.81 2 1004 114 6.6 3.5 81 3.1 5.1 205 17 279.4 280.3 278.1 292.9 4.90 3 1000 147 6.4 3.3 81 3.1 4.9 215 21 279.5 280.4 278.1 292.9 4.85 4 988 246 5.8 2.9 82 2.9 4.4 219 23 279.9 280.7 278.2 293.1 4.77 5 979 321 6.6 1.6 70 5.0 4.3 222 25 281.5 282.2 278.4 293.7 4.38 6 934 706 3.8 1.7 86 2.1 2.8 237 35 282.4 283.2 279.2 295.3 4.63 7 925 785 3.4 0.6 82 2.8 2.1 240 37 282.8 283.5 279.0 294.9 4.32 8 894 1060 1.8 -3.2 69 5.0 -0.3 242 35 283.9 284.5 278.4 293.5 3.37 9 856 1409 -0.7 -4.4 76 3.7 -2.1 245 33 284.8 285.4 278.6 294.1 3.22 10 850 1465 -1.1 -5.2 74 4.1 -2.7 245 33 285.0 285.5 278.5 293.7 3.05 11 841 1550 -1.3 -8.3 59 7.0 -3.8 244 33 285.7 286.1 278.0 292.7 2.43 12 837 1588 -1.5 -7.5 64 6.0 -3.7 244 33 285.8 286.3 278.3 293.4 2.60 13 827 1683 -1.9 -9.9 54 8.0 -4.7 244 33 286.4 286.8 278.0 292.8 2.18 14 755 2401 -7.3 -13.3 62 6.0 -9.1 239 34 288.1 288.4 278.4 293.5 1.81 15 731 2651 -9.1 -18.1 48 9.0 -11.5 237 35 288.8 289.0 278.0 292.6 1.26 16 716 2811 -10.7 -14.9 71 4.2 -11.9 236 35 288.8 289.1 278.5 293.8 1.68 17 709 2887 -10.9 -17.9 56 7.0 -12.7 236 35 289.4 289.6 278.3 293.4 1.32 18 700 2985 -11.9 -17.9 61 6.0 -13.4 235 35 289.3 289.5 278.3 293.4 1.33 19 694 3051 -12.5 -18.5 61 6.0 -14.0 236 35 289.4 289.6 278.3 293.3 1.28 20 683 3172 -13.1 -22.1 47 9.0 -15.1 236 35 290.0 290.2 278.1 293.0 0.95 21 664 3386 -14.9 -24.9 42 10.0 -16.9 238 35 290.3 290.5 278.0 292.7 0.76 22 658 3455 -15.5 -20.5 65 5.0 -16.6 239 34 290.4 290.6 278.6 293.9 1.14 23 651 3535 -16.1 -23.1 55 7.0 -17.6 239 34 290.6 290.8 278.4 293.5 0.91 24 647 3582 -16.5 -31.5 26 15.0 -18.8 240 34 290.7 290.8 277.7 292.1 0.42 25 645 3605 -16.5 -28.5 35 12.0 -18.6 240 34 290.9 291.0 278.0 292.7 0.56 26 636 3710 -17.3 -33.3 23 16.0 -19.6 241 34 291.2 291.3 277.9 292.4 0.36 27 625 3840 -18.5 -29.5 37 11.0 -20.3 242 34 291.3 291.4 278.2 293.0 0.53 28 624 3852 -18.7 -32.7 28 14.0 -20.7 242 34 291.2 291.3 277.9 292.5 0.39 29 622 3876 -18.9 -28.9 41 10.0 -20.5 242 34 291.2 291.3 278.2 293.0 0.56 30 616 3948 -19.5 -25.5 59 6.0 -20.6 243 34 291.3 291.5 278.5 293.8 0.78 31 614 3972 -19.7 -24.2 67 4.5 -20.5 243 34 291.4 291.5 278.7 294.1 0.88 32 611 4009 -19.9 -24.9 64 5.0 -20.8 243 34 291.6 291.7 278.7 294.2 0.83 33 609 4033 -19.7 -29.7 41 10.0 -21.2 243 34 292.1 292.2 278.5 293.8 0.53 34 607 4057 -19.9 -28.9 45 9.0 -21.4 243 34 292.1 292.2 278.6 294.0 0.58 35 605 4082 -19.9 -33.9 28 14.0 -21.8 244 34 292.4 292.5 278.4 293.6 0.36 36 602 4119 -20.3 -30.3 40 10.0 -21.8 244 34 292.3 292.4 278.6 294.0 0.51 37 599 4156 -20.5 -25.3 65 4.8 -21.4 244 34 292.5 292.7 279.1 295.1 0.82 38 598 4168 -20.5 -33.5 30 13.0 -22.3 244 34 292.7 292.7 278.6 293.9 0.38 39 596 4193 -20.7 -38.7 18 18.0 -22.8 245 34 292.7 292.8 278.4 293.5 0.23 40 590 4267 -21.3 -28.3 53 7.0 -22.4 245 33 292.9 293.0 279.0 294.9 0.63 41 586 4317 -21.5 -31.5 40 10.0 -22.9 246 33 293.2 293.3 279.0 294.7 0.47 42 574 4469 -22.7 -28.7 58 6.0 -23.7 247 33 293.5 293.7 279.3 295.5 0.62 43 572 4495 -23.1 -30.1 53 7.0 -24.1 247 33 293.4 293.5 279.1 295.1 0.55 44 569 4534 -22.5 -37.5 24 15.0 -24.2 247 33 294.5 294.6 279.3 295.4 0.27 45 567 4559 -22.3 -40.3 18 18.0 -24.2 248 33 295.0 295.1 279.4 295.7 0.20 46 565 4585 -22.1 -39.1 20 17.0 -24.0 248 33 295.6 295.6 279.7 296.4 0.23 47 563 4611 -20.7 -47.7 7 27.0 -23.2 248 33 297.5 297.5 280.4 297.9 0.09 48 562 4625 -20.5 -45.5 9 25.0 -23.0 248 33 297.9 297.9 280.6 298.3 0.12 49 549 4797 -21.5 -40.5 16 19.0 -23.7 249 33 298.7 298.8 281.1 299.4 0.20 50 546 4838 -21.7 -35.7 27 14.0 -23.5 250 33 299.0 299.0 281.4 300.1 0.33 51 500 5480 -25.7 -34.7 43 9.0 -26.8 255 32 301.7 301.8 282.6 303.1 0.40 52 491 5611 -26.7 -35.7 42 9.0 -27.8 256 32 302.1 302.1 282.7 303.3 0.37 53 478 5804 -27.7 -37.7 38 10.0 -28.8 257 31 303.1 303.2 283.1 304.2 0.31 54 476 5834 -27.7 -37.7 38 10.0 -28.8 257 31 303.5 303.6 283.2 304.6 0.31 55 400 7060 -36.5 -49.5 25 13.0 -37.2 265 26 307.6 307.6 284.5 307.9 0.10 56 300 9000 -47.7 -68.7 7 21.0 -48.1 305 51 318.1 318.1 288.1 318.2 0.01 57 250 10190 -50.9 -74.9 4 24.0 -51.2 305 37 330.4 330.4 291.8 330.4 0.01 58 203 11526 -56.9 -81.9 3 25.0 -57.1 275 32 341.2 341.2 294.6 341.2 0.00 59 200 11620 -56.9 -81.9 3 25.0 -57.1 280 34 342.7 342.7 295.0 342.7 0.00 60 150 13450 -56.7 -83.7 2 27.0 -57.0 270 36 372.4 372.4 301.0 372.4 0.00 61 100 16010 -57.9 -85.9 2 28.0 -58.3 250 41 415.9 415.9 307.2 415.9 0.00 62 85 17026 -60.9 -86.9 2 26.0 -61.2 239 41 429.6 429.6 308.8 429.6 0.00 63 76 17726 -57.9 -86.9 1 29.0 -58.4 231 41 449.8 449.8 310.8 449.8 0.00 64 72 18064 -60.3 -87.3 2 27.0 -60.7 227 41 451.7 451.7 311.0 451.7 0.00 65 70 18240 -59.7 -87.7 1 28.0 -60.2 225 41 456.7 456.7 311.5 456.7 0.00 66 59 19306 -58.7 -87.7 1 29.0 -59.3 235 37 481.8 481.8 313.6 481.8 0.00 67 50 20340 -59.3 -88.3 1 29.0 -59.9 245 34 503.7 503.7 315.2 503.8 0.00 68 45 20997 -60.9 -88.9 1 28.0 -61.4 244 33 515.3 515.3 316.0 515.3 0.00 69 43 21281 -58.9 -87.9 1 29.0 -59.6 244 32 526.9 526.9 316.7 526.9 0.00 70 31 23300 -65.9 -90.9 2 25.0 -66.3 240 28 559.7 559.7 318.6 559.7 0.00 71 30 23500 -64.7 -90.7 2 26.0 -65.2 240 28 568.3 568.3 319.0 568.3 0.00 72 26 24383 -60.3 -89.3 1 29.0 -61.3 604.5 604.5 320.8 604.5 0.01 73 24 24877 -64.3 -91.3 1 27.0 -65.0 606.9 606.9 320.9 606.9 0.00 74 22 25411 -63.5 -90.5 1 27.0 -64.3 624.5 624.5 321.7 624.6 0.00 TRP 203 11526 -56.9 -81.9 3 25.0 -57.1 275 32 341.2 341.2 294.6 341.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5333.00 m Freezing level: 866.64 mb = 1311.33 m = 4302.20 ft Wetbulb zero: 897.53 mb = 1028.67 m = 3374.86 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 53.86 % Est. max temperature: 12.74 C = 54.92 F Sfc-Lift cond lev (LCL): 1000.52 mb = 142.77 m = 468.39 ft T: 6.43 C 700-500 lapse rate: 5.53 C/km ThetaE index: 1.82 C Layer 925.0- 856.0 mb Conv cond level (CCL): 875.59 mb = 1227.34 m = 4026.67 ft Mean mixing ratio: 4.57 g/kg Conv temperature: 12.50 C = 54.50 F Cap Strength: 6.17 C Lifted Index: 7.62 C Risk: None Lifted Index @300 mb: 17.26 C Lifted Index @700 mb: 1.21 C Showalter Index: 7.74 C Risk: None Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.60 C Cross Totals Index: 20.50 C K Index: 13.40 Risk: None Sweat Index: 144.71 Risk: None Energy Index: 1.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.69 J/kg Max Up Vert Vel: 6.11 m/s Conv Inhibition (B-): 42392.35 J/kg Cap Strength: 7.35 C Lift Cond Lev (LCL): 918.02 mb = 846.24 m = 2776.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 273 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 1016 17 175 7 -0.6 7.0 | 108 26 -25.1 8.1 1 1000 147 215 21 12.0 17.2 | 146 22 -12.5 18.3 2 925 785 240 37 32.0 18.5 | 201 21 7.5 19.6 3 850 1465 245 33 29.9 13.9 | 200 16 5.4 15.1 4 700 2985 235 35 28.7 20.1 | 191 22 4.2 21.2 5 500 5480 255 32 30.9 8.3 | 214 11 6.4 9.4 6 400 7060 265 26 25.9 2.3 | 202 4 1.4 3.4 7 300 9000 305 51 41.8 -29.3 | 328 33 17.3 -28.1 8 250 10190 305 37 30.3 -21.2 | 344 21 5.8 -20.1 9 203 11526 275 32 31.9 -2.8 | 283 8 7.4 -1.7 10 200 11620 280 34 33.5 -5.9 | 298 10 9.0 -4.8 11 150 13450 270 36 36.0 -0.0 | 264 12 11.5 1.1 12 100 16010 250 41 38.5 14.0 | 223 21 14.0 15.1 13 70 18240 225 41 29.0 29.0 | 188 30 4.5 30.1 14 50 20340 245 34 30.8 14.4 | 202 17 6.3 15.5 15 30 23500 240 28 24.2 14.0 | 179 15 -0.3 15.1 Wind Parameters Mean winds (0-6000m): 242.6 at 32.7 knts Storm direction: 272.6 at 24.5 knts Shear (0-3000m) pos: 5.4 neg: 1.0 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 83.5 deg Storm rel helicity (0-3000m) pos: 216.5 neg: -15.4 tot: 201.1 m^2/s^2 ave: 67.0 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 5.8 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.68 Bulk Shear: 27.66 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 ------------------------------------------------------------------------------- 500 221 23 152 21| 27.6 0.0 27.6|166.6 0.0 166.6 333.3 0.98| 29.1 28.4 1000 232 29 175 19| 17.2 0.0 17.2|216.5 -0.2 216.2 216.2 0.94| 20.0 18.9 1500 237 31 183 18| 10.7 0.0 10.7|216.5 -2.2 214.2 142.8 0.86| 14.4 12.4 2000 238 31 187 18| 8.1 0.5 8.6|216.5 -6.3 210.2 105.1 0.80| 11.3 9.1 2500 239 32 189 18| 6.4 0.8 7.3|216.5 -10.9 205.6 82.2 0.75| 9.5 7.1 3000 238 32 189 18| 5.4 1.0 6.4|216.5 -15.4 201.1 67.0 0.70| 8.2 5.8 4000 238 33 191 19| 4.1 0.8 4.9|229.8 -15.4 214.5 53.6 0.68| 6.8 4.7 5000 240 33 193 18| 3.4 0.6 4.0|240.0 -15.4 224.6 44.9 0.67| 5.9 4.0 6000 243 33 196 17| 2.7 0.5 3.2|243.9 -15.5 228.5 38.1 0.64| 5.4 3.4 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20251212.23.gif