UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121323.upa.cvt Date: 2300Z 13 DEC 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 13 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 1006 22 11.2 8.6 84 2.6 9.7 220 7 283.9 285.1 282.7 303.2 6.98 1 1003 47 11.6 8.9 83 2.7 10.1 210 16 284.5 285.7 283.1 304.3 7.14 2 1000 72 11.2 8.7 85 2.5 9.8 200 25 284.4 285.6 283.0 303.9 7.07 3 954 463 8.0 7.8 99 0.2 7.9 215 42 285.0 286.2 283.1 304.3 6.97 4 925 718 7.0 7.0 100 0.0 7.0 225 53 286.5 287.7 283.6 305.5 6.80 5 921 754 6.8 6.7 99 0.1 6.8 226 53 286.6 287.8 283.5 305.4 6.69 6 914 817 7.8 7.0 95 0.8 7.3 226 52 288.3 289.5 284.4 307.7 6.88 7 874 1185 6.0 5.5 97 0.5 5.7 232 50 290.1 291.3 284.8 308.6 6.49 8 864 1280 6.8 5.7 93 1.1 6.2 233 50 291.9 293.1 285.7 311.0 6.66 9 850 1414 6.6 5.9 95 0.7 6.2 235 49 293.1 294.3 286.3 312.8 6.86 10 773 2191 4.2 4.2 100 0.0 4.2 235 50 298.5 299.8 288.2 318.3 6.70 11 700 2994 0.2 0.2 100 0.0 0.2 235 51 302.7 303.7 288.6 319.4 5.55 12 646 3633 -3.3 -4.3 93 1.0 -3.8 236 52 305.8 306.6 288.4 319.0 4.30 13 619 3969 -5.1 -5.2 99 0.1 -5.1 237 53 307.5 308.2 288.9 320.5 4.20 14 613 4046 -5.5 -6.7 91 1.2 -6.0 237 53 307.9 308.6 288.6 319.6 3.78 15 602 4187 -6.5 -8.8 84 2.3 -7.4 237 53 308.3 308.9 288.3 318.6 3.26 16 578 4504 -8.7 -11.5 80 2.8 -9.8 238 54 309.3 309.9 288.1 318.1 2.74 17 553 4845 -11.1 -11.8 95 0.7 -11.3 239 55 310.4 311.0 288.5 319.4 2.80 18 528 5198 -13.7 -14.1 97 0.4 -13.8 239 55 311.4 311.9 288.5 319.3 2.43 19 505 5535 -15.9 -16.5 95 0.6 -16.1 240 56 312.8 313.2 288.6 319.6 2.08 20 502 5580 -16.1 -18.1 85 2.0 -16.7 240 56 313.1 313.4 288.5 319.1 1.83 21 500 5610 -16.3 -17.7 89 1.4 -16.7 240 56 313.2 313.5 288.5 319.4 1.90 22 498 5640 -16.5 -18.5 84 2.0 -17.1 240 56 313.3 313.6 288.5 319.2 1.78 23 497 5655 -16.7 -19.6 78 2.9 -17.5 240 56 313.2 313.5 288.3 318.6 1.63 24 491 5747 -17.5 -21.3 72 3.8 -18.5 240 56 313.3 313.6 288.1 318.1 1.42 25 478 5947 -19.3 -23.9 67 4.6 -20.4 241 55 313.5 313.7 287.9 317.4 1.16 26 459 6248 -21.3 -23.8 80 2.5 -21.9 242 54 314.7 314.9 288.3 318.8 1.22 27 454 6329 -21.7 -26.1 68 4.4 -22.6 242 53 315.2 315.4 288.3 318.6 1.00 28 421 6881 -25.7 -27.9 82 2.2 -26.1 244 51 316.9 317.1 288.8 320.1 0.92 29 418 6933 -25.9 -28.5 79 2.6 -26.4 244 51 317.3 317.5 288.8 320.3 0.87 30 400 7250 -28.5 -31.1 78 2.6 -28.9 245 50 317.9 318.1 288.9 320.4 0.71 31 373 7747 -32.5 -35.6 74 3.1 -32.9 247 55 319.1 319.2 289.0 320.8 0.49 32 351 8172 -36.3 -38.1 83 1.8 -36.5 250 59 319.5 319.6 289.0 321.0 0.41 33 346 8271 -37.3 -39.8 77 2.5 -37.5 250 60 319.5 319.6 289.0 320.8 0.35 34 344 8311 -37.7 -41.5 68 3.8 -38.0 250 60 319.5 319.5 288.9 320.6 0.29 35 339 8412 -38.7 -40.9 80 2.2 -38.9 251 62 319.5 319.5 288.9 320.6 0.32 36 335 8493 -39.3 -42.8 69 3.5 -39.6 251 62 319.7 319.8 288.9 320.7 0.26 37 333 8534 -39.7 -42.3 76 2.6 -39.9 251 63 319.7 319.8 289.0 320.7 0.28 38 331 8576 -39.9 -43.9 66 4.0 -40.2 252 63 320.0 320.0 289.0 320.9 0.24 39 330 8596 -40.3 -43.0 75 2.7 -40.5 252 63 319.7 319.8 288.9 320.7 0.26 40 328 8638 -40.5 -44.3 67 3.8 -40.8 252 64 320.0 320.1 289.0 320.9 0.23 41 314 8933 -42.7 -46.9 63 4.2 -42.9 253 67 321.0 321.0 289.2 321.6 0.18 42 300 9240 -44.7 -46.0 87 1.3 -44.8 255 70 322.4 322.4 289.7 323.1 0.21 43 294 9376 -45.3 -48.3 72 3.0 -45.4 255 70 323.4 323.4 290.0 324.0 0.16 44 291 9444 -46.1 -48.6 76 2.5 -46.2 255 70 323.2 323.2 289.9 323.8 0.16 45 278 9748 -48.3 -58.3 31 10.0 -48.6 255 69 324.3 324.3 290.1 324.5 0.05 46 272 9892 -49.5 -59.5 30 10.0 -49.8 255 69 324.6 324.6 290.2 324.7 0.05 47 250 10440 -54.5 -59.5 54 5.0 -54.6 255 68 325.0 325.1 290.3 325.2 0.05 48 237 10778 -57.3 -60.2 69 2.9 -57.3 256 68 325.8 325.8 290.6 326.0 0.05 49 227 11049 -59.1 -63.5 57 4.4 -59.2 257 69 327.1 327.1 290.9 327.2 0.03 50 218 11300 -61.3 -64.5 66 3.2 -61.3 258 69 327.5 327.5 291.0 327.6 0.03 51 208 11590 -62.5 -68.5 44 6.0 -62.6 259 70 330.1 330.1 291.7 330.1 0.02 52 200 11830 -63.9 -68.6 53 4.7 -64.0 260 70 331.6 331.6 292.2 331.6 0.02 53 192 12079 -65.1 -70.1 50 5.0 -65.2 265 77 333.5 333.5 292.7 333.5 0.02 54 191 12111 -65.3 -70.3 50 5.0 -65.3 265 77 333.7 333.7 292.7 333.8 0.02 55 164 13034 -66.7 -76.7 23 10.0 -66.8 265 64 346.2 346.2 295.8 346.3 0.01 56 162 13109 -63.9 -79.9 10 16.0 -64.0 265 63 352.2 352.2 297.1 352.2 0.00 57 150 13580 -63.9 -81.9 7 18.0 -64.0 265 56 360.0 360.0 298.7 360.0 0.00 58 100 16090 -62.9 -85.9 3 23.0 -63.1 275 34 406.2 406.2 306.0 406.2 0.00 59 77 17681 -65.7 -86.7 4 21.0 -65.9 235 22 431.9 431.9 309.0 431.9 0.00 60 73 18005 -63.9 -87.9 2 24.0 -64.1 226 20 442.3 442.3 310.1 442.3 0.00 61 70 18260 -65.9 -87.9 3 22.0 -66.1 220 18 443.4 443.4 310.2 443.4 0.00 62 68 18436 -66.9 -87.9 4 21.0 -67.1 224 18 444.9 444.9 310.4 444.9 0.00 63 65 18709 -66.5 -88.5 3 22.0 -66.7 230 19 451.6 451.6 311.0 451.6 0.00 64 64 18804 -63.1 -88.1 2 25.0 -63.4 232 19 461.1 461.1 311.8 461.1 0.00 65 50 20310 -66.9 -88.9 3 22.0 -67.1 265 22 485.8 485.8 313.9 485.8 0.00 66 40 21662 -67.9 -89.9 3 22.0 -68.2 265 25 515.3 515.3 316.0 515.4 0.00 67 37 22140 -61.5 -88.5 2 27.0 -62.1 265 26 543.4 543.4 317.7 543.4 0.00 68 32 23033 -66.1 -90.1 2 24.0 -66.5 265 28 554.1 554.1 318.3 554.1 0.00 69 31 23228 -63.3 -89.3 2 26.0 -63.9 265 29 566.7 566.7 319.0 566.8 0.00 70 30 23430 -63.5 -88.5 2 25.0 -64.1 265 29 571.5 571.5 319.2 571.6 0.01 71 20 25880 -69.9 -91.9 3 22.0 -70.3 255 42 622.2 622.2 321.6 622.2 0.00 72 19 26185 -69.9 -92.9 2 23.0 -70.3 631.4 631.4 322.0 631.4 0.00 73 17 26852 -67.1 -91.1 2 24.0 -67.8 660.8 660.8 323.1 660.8 0.01 74 15 27601 -70.9 -92.9 2 22.0 -71.3 672.2 672.2 323.5 672.3 0.00 TRP 191 12111 -65.3 -70.3 50 5.0 -65.3 265 77 333.7 333.7 292.7 333.8 0.02 WND 192 12079 -65.1 -70.1 50 5.0 -65.2 265 77 333.5 333.5 292.7 333.5 0.02 Sounding variables and indices 1000-500 mb thick: 5538.00 m Freezing level: 696.91 mb = 3030.50 m = 9942.46 ft Wetbulb zero: 697.33 mb = 3024.40 m = 9922.46 ft Precipitable water: 1.16 inches Sfc-500 mean rel hum: 94.79 % Est. max temperature: 19.91 C = 67.84 F Sfc-Lift cond lev (LCL): 967.22 mb = 349.02 m = 1145.06 ft T: 8.94 C 700-500 lapse rate: 6.31 C/km ThetaE index: 0.37 C Layer 1000.0- 954.0 mb Conv cond level (CCL): 939.95 mb = 585.73 m = 1921.66 ft Mean mixing ratio: 6.94 g/kg Conv temperature: 13.03 C = 55.45 F Cap Strength: 9.25 C Lifted Index: 9.31 C Risk: None Lifted Index @300 mb: 12.53 C Lifted Index @700 mb: 6.92 C Showalter Index: 4.25 C Risk: None Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 22.20 C K Index: 28.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 260.69 Risk: None Energy Index: 1.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.18 J/kg Max Up Vert Vel: 5.51 m/s Conv Inhibition (B-): 41559.42 J/kg Cap Strength: 9.30 C Lift Cond Lev (LCL): 941.92 mb = 568.46 m = 1864.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 265 at 38 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 1006 22 220 7 4.5 5.4 | 93 33 -33.3 1.8 1 1000 72 200 25 8.6 23.5 | 124 35 -29.3 19.9 2 925 718 225 53 37.5 37.5 | 179 34 -0.3 33.9 3 850 1414 235 49 40.1 28.1 | 185 25 2.3 24.5 4 700 2994 235 51 41.8 29.3 | 189 26 4.0 25.7 5 500 5610 240 56 48.5 28.0 | 204 27 10.7 24.4 6 400 7250 245 50 45.3 21.1 | 203 19 7.5 17.6 7 300 9240 255 70 67.6 18.1 | 244 33 29.8 14.6 8 250 10440 255 68 65.7 17.6 | 243 31 27.9 14.0 9 200 11830 260 70 68.9 12.2 | 255 32 31.1 8.6 10 192 12079 265 77 76.7 6.7 | 265 39 38.9 3.1 11 191 12111 265 77 76.7 6.7 | 265 39 38.9 3.1 12 150 13580 265 56 55.8 4.9 | 266 18 18.0 1.3 13 100 16090 275 34 33.9 -3.0 | 31 8 -3.9 -6.5 14 70 18260 220 18 11.6 13.8 | 111 28 -26.2 10.2 15 50 20310 265 22 21.9 1.9 | 84 16 -15.9 -1.6 16 30 23430 265 29 28.9 2.5 | 83 9 -8.9 -1.0 17 20 25880 255 42 40.6 10.9 | 201 8 2.8 7.3 Wind Parameters Mean winds (0-6000m): 234.6 at 50.6 knts Storm direction: 264.6 at 38.0 knts Shear (0-3000m) pos: 2.6 neg: 6.6 tot: 9.3 10-3/s Storm rel Dir Shear (0-3000m): 95.9 deg Storm rel helicity (0-3000m) pos: 485.0 neg: 0.0 tot: 485.0 m^2/s^2 ave: 161.7 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 10.9 stream: 9.6 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.19 Bulk Shear: 79.06 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 ------------------------------------------------------------------------------- 500 211 33 140 32| 0.0 38.6 38.6|356.2 0.0 356.2 712.4 1.00| 42.0 41.9 1000 221 42 159 30| 6.2 19.3 25.5|463.2 0.0 463.2 463.2 0.95| 28.7 27.2 1500 225 45 167 29| 5.2 12.9 18.0|475.3 0.0 475.3 316.9 0.89| 21.0 18.7 2000 228 46 172 27| 3.9 9.8 13.7|478.4 0.0 478.4 239.2 0.89| 15.9 14.1 2500 229 47 175 27| 3.1 8.0 11.1|481.6 0.0 481.6 192.6 0.89| 12.9 11.4 3000 230 47 177 27| 2.6 6.6 9.3|485.0 0.0 485.0 161.7 0.88| 10.9 9.6 4000 232 48 181 26| 2.3 5.0 7.3|502.8 0.0 502.8 125.7 0.89| 8.5 7.5 5000 233 50 184 26| 2.1 4.0 6.1|521.0 0.0 521.0 104.2 0.89| 7.0 6.3 6000 235 51 188 26| 1.9 3.3 5.2|532.2 0.0 532.2 88.7 0.87| 6.2 5.4 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20251213.23.gif