UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101823.upa.cvt Date: 2300Z 18 OCT 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 18 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 1005 19 13.0 9.8 81 3.2 11.2 135 7 285.7 287.1 284.1 306.8 7.58 1 1000 61 12.8 9.4 80 3.4 10.9 130 10 286.0 287.2 284.0 306.6 7.41 2 943 551 8.4 7.8 96 0.6 8.0 149 35 286.3 287.5 283.8 306.0 7.05 3 925 710 7.8 6.4 91 1.4 7.1 155 43 287.3 288.4 283.7 305.6 6.52 4 887 1055 5.8 4.3 90 1.5 5.0 167 36 288.7 289.7 283.5 305.4 5.87 5 873 1185 5.6 3.4 86 2.2 4.5 172 33 289.8 290.8 283.7 305.8 5.60 6 858 1327 5.8 5.3 97 0.5 5.5 177 30 291.4 292.6 285.4 310.1 6.52 7 850 1404 6.4 5.5 94 0.9 5.9 180 28 292.9 294.0 286.1 312.1 6.67 8 848 1423 6.6 5.6 93 1.0 6.1 180 28 293.3 294.5 286.3 312.7 6.74 9 830 1600 5.4 5.1 98 0.3 5.2 181 28 293.8 295.0 286.4 313.0 6.65 10 782 2086 3.4 3.2 99 0.2 3.3 184 26 296.7 297.8 287.0 314.8 6.17 11 778 2128 3.6 2.7 94 0.9 3.1 185 26 297.3 298.4 287.1 315.0 5.98 12 738 2555 0.6 0.2 97 0.4 0.4 187 25 298.6 299.6 286.8 314.2 5.26 13 700 2979 -0.9 -1.0 99 0.1 -1.0 190 24 301.5 302.4 287.7 316.8 5.08 14 611 4059 -5.3 -5.6 98 0.3 -5.4 204 24 308.4 309.2 289.1 321.2 4.12 15 576 4521 -7.9 -8.6 95 0.7 -8.2 210 24 310.6 311.2 289.2 321.6 3.47 16 571 4589 -7.9 -10.0 85 2.1 -8.7 211 24 311.4 311.9 289.2 321.3 3.13 17 570 4602 -8.1 -10.2 85 2.1 -8.9 211 24 311.3 311.9 289.1 321.1 3.09 18 544 4964 -10.9 -11.4 96 0.5 -11.1 216 24 312.1 312.7 289.2 321.6 2.94 19 540 5021 -10.7 -13.9 77 3.2 -11.8 217 24 313.0 313.5 289.0 320.9 2.42 20 500 5610 -14.7 -15.6 93 0.9 -15.0 225 24 315.1 315.6 289.5 322.6 2.27 21 489 5778 -15.9 -16.0 99 0.1 -15.9 225 24 315.7 316.1 289.7 323.0 2.24 22 459 6252 -19.1 -19.5 97 0.4 -19.2 223 26 317.4 317.8 289.8 323.4 1.78 23 445 6481 -20.9 -21.2 97 0.3 -21.0 222 27 318.0 318.3 289.8 323.3 1.58 24 433 6682 -23.1 -23.4 97 0.3 -23.2 222 27 317.7 317.9 289.5 322.2 1.34 25 425 6819 -23.9 -27.3 73 3.4 -24.6 221 28 318.4 318.5 289.3 321.7 0.96 26 424 6836 -24.3 -30.3 58 6.0 -25.4 221 28 318.1 318.2 288.9 320.6 0.73 27 419 6922 -24.7 -29.6 64 4.9 -25.6 221 28 318.6 318.8 289.2 321.4 0.78 28 417 6957 -23.9 -26.3 81 2.4 -24.4 221 28 320.1 320.3 289.9 323.8 1.07 29 416 6975 -23.9 -26.5 79 2.6 -24.4 221 28 320.3 320.5 290.0 324.0 1.05 30 400 7260 -25.5 -28.6 75 3.1 -26.1 220 29 321.8 322.0 290.3 325.0 0.90 31 365 7918 -30.7 -34.0 73 3.3 -31.2 225 30 323.4 323.6 290.5 325.6 0.59 32 350 8214 -32.9 -39.9 50 7.0 -33.7 227 30 324.4 324.5 290.5 325.6 0.34 33 334 8542 -35.3 -44.3 39 9.0 -36.1 229 30 325.5 325.5 290.6 326.3 0.22 34 315 8947 -38.9 -48.9 34 10.0 -39.5 232 31 326.0 326.0 290.7 326.5 0.14 35 300 9280 -42.1 -48.1 52 6.0 -42.5 235 31 326.0 326.1 290.7 326.7 0.16 36 288 9554 -44.5 -48.6 64 4.1 -44.7 236 35 326.4 326.5 290.9 327.0 0.16 37 283 9671 -45.7 -51.7 51 6.0 -46.0 237 37 326.3 326.4 290.8 326.8 0.11 38 273 9908 -48.1 -51.6 67 3.5 -48.3 238 41 326.2 326.3 290.7 326.7 0.12 39 260 10227 -51.1 -55.8 57 4.7 -51.2 239 47 326.4 326.4 290.7 326.7 0.08 40 250 10480 -53.3 -57.5 60 4.2 -53.4 240 51 326.8 326.8 290.9 327.1 0.06 41 244 10636 -54.7 -58.6 62 3.9 -54.8 241 56 327.0 327.0 290.9 327.2 0.06 42 227 11094 -57.7 -63.3 49 5.6 -57.8 245 69 329.2 329.2 291.5 329.3 0.03 43 223 11206 -58.5 -64.5 46 6.0 -58.6 244 62 329.7 329.7 291.7 329.8 0.03 44 217 11378 -57.5 -63.5 46 6.0 -57.6 243 52 333.8 333.8 292.8 334.0 0.03 45 207 11675 -58.7 -65.7 40 7.0 -58.8 241 34 336.5 336.5 293.4 336.6 0.03 46 200 11890 -60.1 -66.1 45 6.0 -60.2 240 21 337.6 337.6 293.7 337.7 0.03 47 191 12175 -62.5 -67.1 54 4.6 -62.6 220 28 338.2 338.2 293.9 338.3 0.02 48 184 12407 -58.7 -75.7 9 17.0 -58.9 224 29 348.0 348.0 296.2 348.0 0.01 49 183 12441 -58.7 -74.7 11 16.0 -58.9 224 29 348.5 348.6 296.3 348.6 0.01 50 170 12905 -57.1 -78.1 5 21.0 -57.3 232 32 358.6 358.6 298.4 358.7 0.01 51 151 13649 -60.3 -81.3 5 21.0 -60.5 244 36 365.5 365.5 299.8 365.5 0.00 52 150 13690 -60.3 -81.3 5 21.0 -60.5 245 36 366.2 366.2 299.9 366.2 0.00 53 133 14442 -57.7 -80.7 4 23.0 -58.0 254 33 383.6 383.6 302.8 383.7 0.00 54 100 16230 -59.5 -85.5 2 26.0 -59.8 275 26 412.8 412.8 306.9 412.8 0.00 55 80 17622 -59.3 -86.3 2 27.0 -59.7 278 25 440.4 440.4 309.9 440.4 0.00 56 71 18363 -62.1 -87.1 2 25.0 -62.4 280 25 449.7 449.7 310.8 449.7 0.00 57 70 18450 -62.1 -88.1 2 26.0 -62.4 280 25 451.5 451.5 311.0 451.5 0.00 58 52 20287 -60.7 -88.7 1 28.0 -61.2 293 31 494.9 494.9 314.6 494.9 0.00 59 50 20530 -61.7 -88.7 2 27.0 -62.1 295 32 498.1 498.1 314.8 498.1 0.00 60 34 22909 -63.9 -90.9 1 27.0 -64.4 314 26 550.4 550.4 318.1 550.4 0.00 61 30 23680 -62.1 -90.1 1 28.0 -62.8 320 24 575.3 575.3 319.5 575.4 0.00 62 23 25326 -61.3 -90.3 1 29.0 -62.3 623.1 623.1 321.6 623.2 0.00 TRP 191 12175 -62.5 -67.1 54 4.6 -62.6 220 28 338.2 338.2 293.9 338.3 0.02 WND 227 11094 -57.7 -63.3 49 5.6 -57.8 245 69 329.2 329.2 291.5 329.3 0.03 Sounding variables and indices 1000-500 mb thick: 5549.00 m Freezing level: 722.80 mb = 2724.43 m = 8938.32 ft Wetbulb zero: 726.94 mb = 2675.87 m = 8779.00 ft Precipitable water: 1.14 inches Sfc-500 mean rel hum: 93.51 % Est. max temperature: 19.23 C = 66.62 F Sfc-Lift cond lev (LCL): 957.75 mb = 421.12 m = 1381.61 ft T: 9.56 C 700-500 lapse rate: 5.25 C/km ThetaE index: 1.48 C Layer 1000.0- 873.0 mb Conv cond level (CCL): 912.98 mb = 817.59 m = 2682.34 ft Mean mixing ratio: 6.98 g/kg Conv temperature: 14.98 C = 58.97 F Cap Strength: 9.58 C Lifted Index: 10.12 C Risk: None Lifted Index @300 mb: 14.31 C Lifted Index @700 mb: 5.17 C Showalter Index: 6.32 C Risk: None Total Totals Index: 41.30 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 20.20 C K Index: 26.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 259.39 Risk: None Energy Index: 2.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.19 J/kg Max Up Vert Vel: 4.05 m/s Conv Inhibition (B-): 38097.04 J/kg Cap Strength: 9.99 C Lift Cond Lev (LCL): 928.96 mb = 674.66 m = 2213.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 220 at 20 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 1005 19 135 7 -4.9 4.9 | 60 20 -17.5 -10.0 1 1000 61 130 10 -7.7 6.4 | 67 22 -20.2 -8.5 2 925 710 155 43 -18.2 39.0 | 128 39 -30.7 24.0 3 850 1404 180 28 0.0 28.0 | 136 18 -12.5 13.0 4 700 2979 190 24 4.2 23.6 | 136 12 -8.3 8.7 5 500 5610 225 24 17.0 17.0 | 246 5 4.5 2.0 6 400 7260 220 29 18.6 22.2 | 220 9 6.1 7.2 7 300 9280 235 31 25.4 17.8 | 258 13 12.9 2.8 8 250 10480 240 51 44.2 25.5 | 252 33 31.7 10.5 9 227 11094 245 69 62.5 29.2 | 254 52 50.0 14.2 10 200 11890 240 21 18.2 10.5 | 308 7 5.7 -4.5 11 191 12175 220 28 18.0 21.4 | 220 8 5.5 6.5 12 150 13690 245 36 32.6 15.2 | 269 20 20.1 0.2 13 100 16230 275 26 25.9 -2.3 | 322 22 13.4 -17.2 14 70 18450 280 25 24.6 -4.3 | 328 23 12.1 -19.3 15 50 20530 295 32 29.0 -13.5 | 330 33 16.5 -28.5 16 30 23680 320 24 15.4 -18.4 | 355 33 2.9 -33.4 Wind Parameters Mean winds (0-6000m): 189.9 at 26.0 knts Storm direction: 219.9 at 19.5 knts Shear (0-3000m) pos: 3.6 neg: 0.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 76.6 deg Storm rel helicity (0-3000m) pos: 293.4 neg: -0.9 tot: 292.5 m^2/s^2 ave: 97.5 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 11.3 stream: 6.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.17 Bulk Shear: 48.39 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 ------------------------------------------------------------------------------- 500 143 21 93 25| 27.3 0.0 27.3|166.5 0.0 166.5 332.9 0.88| 28.1 24.8 1000 154 30 115 28| 15.7 0.0 15.7|283.8 0.0 283.8 283.8 0.76| 24.7 18.8 1500 160 30 121 27| 8.0 0.0 8.0|292.4 -0.4 292.0 194.7 0.63| 20.5 13.0 2000 165 30 124 24| 5.8 0.0 5.8|293.1 -0.4 292.6 146.3 0.61| 15.9 9.8 2500 169 29 126 22| 4.4 0.0 4.4|293.1 -0.5 292.6 117.0 0.59| 13.1 7.8 3000 172 28 128 21| 3.6 0.0 3.6|293.4 -0.9 292.5 97.5 0.58| 11.3 6.5 4000 177 27 131 18| 2.9 0.0 2.9|302.4 -0.9 301.4 75.4 0.58| 9.2 5.3 5000 184 26 136 16| 2.5 0.0 2.5|309.4 -0.9 308.5 61.7 0.60| 7.9 4.7 6000 190 26 143 13| 2.1 0.1 2.2|313.3 -2.1 311.2 51.9 0.59| 7.0 4.2 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20251018.23.gif