UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102223.upa.cvt Date: 2300Z 22 OCT 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 22 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 ------------------------------------------------------------------------------- 0 1000 -87 SFC 987 21 8.8 8.2 96 0.6 8.5 5 2 283.0 284.2 282.2 302.1 6.92 2 981 72 9.0 6.3 83 2.7 7.6 5 3 283.7 284.8 281.6 300.7 6.11 3 945 380 7.0 3.5 78 3.5 5.3 8 7 284.7 285.6 281.0 299.3 5.20 4 925 556 5.8 3.3 84 2.5 4.6 10 9 285.2 286.2 281.3 300.0 5.24 5 864 1110 1.6 1.6 100 0.0 1.6 30 9 286.5 287.3 281.5 300.6 4.97 6 850 1242 0.8 0.8 100 0.0 0.8 35 9 287.0 287.8 281.5 300.5 4.77 7 784 1888 -2.9 -2.9 100 0.0 -2.9 68 7 289.7 290.4 281.8 301.1 3.94 8 715 2612 -7.7 -7.8 99 0.1 -7.7 106 4 292.2 292.7 281.7 301.0 2.97 9 701 2766 -8.3 -10.0 88 1.7 -8.9 114 3 293.2 293.6 281.7 300.8 2.55 10 700 2777 -8.5 -10.1 88 1.6 -9.1 115 3 293.1 293.5 281.6 300.7 2.53 11 689 2899 -9.3 -10.3 92 1.0 -9.6 121 3 293.5 294.0 281.8 301.1 2.53 12 629 3597 -13.7 -16.4 80 2.7 -14.5 156 6 296.2 296.5 282.0 301.5 1.69 13 596 4004 -16.7 -17.5 93 0.8 -16.9 177 7 297.4 297.7 282.3 302.4 1.62 14 582 4182 -17.9 -20.6 79 2.7 -18.5 186 7 298.0 298.2 282.2 302.0 1.27 15 580 4207 -18.1 -20.7 80 2.6 -18.7 188 7 298.0 298.3 282.2 302.0 1.27 16 573 4298 -18.5 -22.2 73 3.7 -19.3 192 8 298.6 298.8 282.3 302.2 1.12 17 563 4429 -19.3 -24.3 65 5.0 -20.3 199 8 299.2 299.4 282.3 302.2 0.95 18 554 4548 -20.3 -24.7 68 4.4 -21.2 205 9 299.4 299.5 282.3 302.4 0.93 19 530 4875 -21.9 -27.9 58 6.0 -22.9 222 10 301.3 301.4 282.8 303.7 0.73 20 512 5128 -24.5 -28.9 67 4.4 -25.2 236 10 301.1 301.2 282.7 303.4 0.69 21 502 5271 -25.7 -31.7 57 6.0 -26.5 243 11 301.4 301.5 282.7 303.2 0.54 22 500 5300 -25.9 -30.9 63 5.0 -26.6 245 11 301.5 301.6 282.7 303.4 0.58 23 494 5387 -26.7 -31.0 67 4.3 -27.3 244 12 301.5 301.6 282.8 303.5 0.58 24 477 5639 -28.5 -35.5 51 7.0 -29.3 243 14 302.3 302.4 282.8 303.7 0.39 25 461 5882 -30.9 -35.9 61 5.0 -31.4 241 16 302.3 302.4 282.8 303.6 0.39 26 451 6037 -32.1 -40.1 45 8.0 -32.8 240 17 302.7 302.7 282.8 303.6 0.26 27 421 6517 -36.7 -41.5 61 4.8 -37.1 237 21 302.8 302.9 282.8 303.7 0.24 28 420 6534 -36.7 -41.7 60 5.0 -37.1 237 21 303.0 303.1 283.0 303.9 0.23 29 418 6567 -36.5 -45.5 39 9.0 -37.1 237 21 303.7 303.7 283.1 304.3 0.16 30 401 6853 -38.5 -50.5 27 12.0 -39.1 235 24 304.7 304.8 283.4 305.1 0.09 31 400 6870 -38.3 -50.3 27 12.0 -38.9 235 24 305.2 305.2 283.6 305.6 0.10 32 353 7718 -44.7 -49.7 57 5.0 -44.9 215 36 307.7 307.7 284.6 308.1 0.12 33 345 7872 -43.7 -57.7 20 14.0 -44.2 212 38 311.1 311.1 285.8 311.3 0.05 34 342 7930 -43.5 -57.5 20 14.0 -44.0 210 39 312.1 312.1 286.1 312.3 0.05 35 337 8029 -43.7 -54.7 29 11.0 -44.1 208 41 313.2 313.2 286.5 313.4 0.07 36 322 8334 -46.1 -55.1 35 9.0 -46.4 201 45 314.0 314.0 286.8 314.2 0.07 37 300 8800 -50.1 -56.1 49 6.0 -50.3 190 52 314.7 314.7 287.1 315.0 0.06 38 293 8954 -51.3 -57.3 49 6.0 -51.4 194 49 315.2 315.2 287.2 315.4 0.06 39 288 9065 -51.7 -60.7 33 9.0 -51.9 198 47 316.1 316.2 287.5 316.3 0.04 40 279 9271 -52.9 -62.9 29 10.0 -53.1 204 44 317.3 317.3 287.9 317.4 0.03 41 277 9317 -53.1 -62.1 33 9.0 -53.3 205 43 317.7 317.7 288.0 317.8 0.03 42 272 9435 -52.7 -63.7 25 11.0 -52.9 204 41 319.9 319.9 288.8 320.0 0.03 43 262 9676 -53.3 -63.3 29 10.0 -53.5 202 37 322.5 322.5 289.5 322.6 0.03 44 261 9701 -52.3 -69.3 11 17.0 -52.5 202 37 324.3 324.3 290.1 324.3 0.01 45 259 9750 -51.7 -72.7 6 21.0 -52.0 202 36 325.9 325.9 290.5 325.9 0.01 46 250 9980 -51.3 -74.3 5 23.0 -51.6 200 32 329.8 329.8 291.7 329.8 0.01 47 233 10443 -48.3 -76.3 2 28.0 -48.8 206 31 341.1 341.1 294.6 341.1 0.01 48 200 11450 -50.3 -78.3 2 28.0 -50.8 220 29 353.1 353.1 297.3 353.1 0.00 49 150 13320 -49.9 -80.9 1 31.0 -50.5 245 28 384.1 384.1 302.9 384.1 0.00 50 100 15950 -53.3 -83.3 1 30.0 -53.9 280 30 424.7 424.7 308.3 424.8 0.00 51 79 17449 -57.7 -85.7 2 28.0 -58.2 283 29 445.3 445.3 310.4 445.3 0.00 52 70 18210 -58.1 -86.1 2 28.0 -58.6 285 28 460.1 460.1 311.8 460.1 0.00 53 50 20320 -60.3 -87.3 2 27.0 -60.9 270 35 501.4 501.4 315.1 501.4 0.00 54 37 22184 -62.7 -88.7 2 26.0 -63.3 276 37 540.3 540.3 317.5 540.3 0.00 55 34 22707 -61.1 -88.1 2 27.0 -61.8 278 38 557.7 557.7 318.5 557.8 0.00 56 30 23480 -62.9 -89.9 1 27.0 -63.6 280 39 573.2 573.2 319.3 573.2 0.00 57 29 23689 -62.7 -89.7 1 27.0 -63.4 278 40 579.3 579.3 319.6 579.3 0.00 58 24 24851 -64.1 -90.1 2 26.0 -64.8 269 46 607.4 607.5 320.9 607.5 0.00 59 21 25669 -63.5 -90.5 1 27.0 -64.3 262 50 632.9 632.9 322.0 632.9 0.01 60 20 25970 -61.3 -89.3 1 28.0 -62.4 260 51 648.5 648.5 322.6 648.6 0.01 61 16 27350 -62.7 -89.7 1 27.0 -63.8 686.7 686.7 324.0 686.8 0.01 TRP 277 9317 -53.1 -62.1 33 9.0 -53.3 205 43 317.7 317.7 288.0 317.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5387.00 m Freezing level: 835.73 mb = 1381.61 m = 4532.77 ft Wetbulb zero: 836.03 mb = 1374.41 m = 4509.15 ft Precipitable water: 0.65 inches Sfc-500 mean rel hum: 85.80 % Est. max temperature: 13.29 C = 55.91 F Sfc-Lift cond lev (LCL): 978.08 mb = 96.40 m = 316.25 ft T: 8.84 C 700-500 lapse rate: 6.90 C/km ThetaE index: 2.78 C Layer 981.0- 925.0 mb Conv cond level (CCL): 886.16 mb = 904.62 m = 2967.89 ft Mean mixing ratio: 5.42 g/kg Conv temperature: 11.81 C = 53.25 F Cap Strength: 3.45 C Lifted Index: 3.03 C Risk: None Lifted Index @300 mb: 10.50 C Lifted Index @700 mb: 0.88 C Showalter Index: 2.67 C Risk: Showers probable Total Totals Index: 53.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.70 C Cross Totals Index: 26.70 C K Index: 25.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 126.60 Risk: None Energy Index: 0.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.70 J/kg Max Up Vert Vel: 4.41 m/s Conv Inhibition (B-): 47080.82 J/kg Cap Strength: 3.38 C Lift Cond Lev (LCL): 901.51 mb = 765.10 m = 2510.13 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 300 at 6 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 ---------------------------------------------------------- 0 987 21 5 2 -0.2 -2.0 | 100 5 -5.2 0.9 1 925 556 10 9 -1.6 -8.9 | 48 9 -6.6 -5.9 2 850 1242 35 9 -5.2 -7.4 | 66 11 -10.2 -4.5 3 700 2777 115 3 -2.7 1.3 | 119 9 -7.7 4.2 4 500 5300 245 11 10.0 4.6 | 213 9 5.0 7.6 5 400 6870 235 24 19.7 13.8 | 221 22 14.7 16.7 6 300 8800 190 52 9.0 51.2 | 184 54 4.0 54.1 7 277 9317 205 43 18.2 39.0 | 197 44 13.2 41.9 8 250 9980 200 32 10.9 30.1 | 190 34 6.0 33.0 9 200 11450 220 29 18.6 22.2 | 209 29 13.7 25.1 10 150 13320 245 28 25.4 11.8 | 234 25 20.4 14.8 11 100 15950 280 30 29.5 -5.2 | 275 25 24.6 -2.3 12 70 18210 285 28 27.0 -7.2 | 281 22 22.1 -4.3 13 50 20320 270 35 35.0 -0.0 | 264 30 30.0 2.9 14 30 23480 280 39 38.4 -6.8 | 277 34 33.4 -3.9 15 20 25970 260 51 50.2 8.9 | 255 47 45.2 11.8 Wind Parameters Mean winds (0-6000m): 270.3 at 7.7 knts Storm direction: 300.3 at 5.8 knts Shear (0-3000m) pos: 0.9 neg: 0.0 tot: 0.9 10-3/s Storm rel Dir Shear (0-3000m): 23.0 deg Storm rel helicity (0-3000m) pos: 37.4 neg: -8.8 tot: 28.6 m^2/s^2 ave: 9.5 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.74 Bulk Shear: 13.15 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 9 5 69 6| 6.7 0.0 6.7| 0.0 -8.8 -8.8 -17.6 -0.82| 6.8 -5.6 1000 15 7 60 8| 3.7 0.0 3.7| 4.9 -8.8 -3.9 -3.9 -0.37| 4.9 -1.8 1500 23 8 63 9| 2.3 0.0 2.3| 15.0 -8.8 6.2 4.1 -0.00| 4.5 -0.0 2000 30 7 68 9| 1.4 0.0 1.4| 25.8 -8.8 17.0 8.5 0.22| 4.3 0.9 2500 34 7 72 9| 1.0 0.0 1.0| 33.3 -8.8 24.5 9.8 0.32| 4.1 1.3 3000 37 6 76 9| 0.9 0.0 0.9| 37.4 -8.8 28.6 9.5 0.37| 3.8 1.4 4000 53 6 85 10| 1.1 0.0 1.1| 52.8 -8.8 44.0 11.0 0.49| 3.6 1.7 5000 35 7 74 9| 1.2 0.0 1.2| 75.7 -8.8 66.9 13.4 0.60| 3.7 2.2 6000 270 8 223 4| 1.2 0.4 1.6| 86.9 -8.8 78.1 13.0 0.58| 3.8 2.2 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20251022.23.gif