UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for EI953... Searching the city database file for: EI953 ... Date:1200Z 18 APR 25 Station: EI953 WMO ident: 3953 Latitude: 51.94 Longitude: -10.24 ------------------------------------------------------------------------------- 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 -19 50 15 SFC 995 23 9.8 8.1 89 1.7 8.9 50 15 283.4 284.5 282.3 302.2 6.82 2 925 624 5.4 5.3 99 0.1 5.4 85 17 284.8 285.9 282.0 301.7 6.04 3 920 668 5.2 5.2 100 0.0 5.2 88 17 285.1 286.1 282.1 301.9 6.03 4 915 713 6.6 6.5 99 0.1 6.5 91 17 286.9 288.1 283.7 305.6 6.64 5 850 1315 3.2 3.2 100 0.0 3.2 135 15 289.5 290.5 283.7 305.7 5.67 6 700 2864 -5.7 -6.0 98 0.3 -5.8 145 25 296.2 296.8 284.0 306.6 3.49 7 628 3707 -10.7 -12.0 90 1.3 -11.1 150 27 299.8 300.2 284.3 307.3 2.42 8 500 5420 -22.7 -24.2 88 1.5 -23.0 160 31 305.4 305.6 284.9 308.9 1.08 9 484 5657 -24.5 -26.7 82 2.2 -24.9 161 32 306.0 306.2 284.9 308.9 0.89 10 470 5870 -26.3 -27.7 88 1.4 -26.5 163 32 306.3 306.5 285.0 309.1 0.83 11 421 6653 -32.9 -36.2 72 3.3 -33.3 168 35 307.7 307.8 285.0 309.1 0.41 12 404 6941 -35.5 -36.9 87 1.4 -35.6 170 36 308.0 308.0 285.1 309.4 0.40 13 400 7010 -36.1 -38.2 81 2.1 -36.3 170 36 308.1 308.1 285.1 309.3 0.35 14 378 7398 -39.5 -45.5 53 6.0 -39.9 173 36 308.6 308.6 285.0 309.2 0.17 15 333 8248 -47.5 -49.0 84 1.5 -47.6 180 35 309.0 309.1 285.1 309.5 0.13 16 327 8367 -48.7 -51.3 74 2.6 -48.8 181 35 309.0 309.0 285.1 309.4 0.10 17 324 8428 -49.1 -51.0 80 1.9 -49.1 181 35 309.3 309.3 285.2 309.7 0.11 18 321 8489 -48.7 -66.7 11 18.0 -49.0 181 35 310.6 310.6 285.6 310.7 0.02 19 311 8695 -49.7 -59.7 30 10.0 -49.9 183 35 312.1 312.1 286.1 312.2 0.04 20 300 8930 -50.3 -62.3 23 12.0 -50.5 185 35 314.5 314.5 286.9 314.6 0.03 21 293 9084 -51.1 -64.1 20 13.0 -51.4 180 33 315.4 315.5 287.3 315.5 0.02 22 270 9616 -51.9 -65.9 17 14.0 -52.1 188 30 321.7 321.8 289.3 321.8 0.02 23 250 10120 -47.5 -75.5 3 28.0 -48.0 195 27 335.4 335.4 293.2 335.5 0.01 24 237 10475 -45.9 -75.9 2 30.0 -46.6 202 25 343.0 343.0 295.0 343.0 0.01 25 200 11610 -45.3 -79.3 1 34.0 -46.1 225 17 361.0 361.0 298.9 361.1 0.00 26 150 13520 -46.5 -81.5 1 35.0 -47.4 220 9 389.9 389.9 303.8 390.0 0.00 27 131 14414 -47.3 -82.3 1 35.0 -48.3 235 7 403.9 403.9 305.7 403.9 0.00 28 109 15614 -52.1 -85.1 1 33.0 -52.8 255 4 416.7 416.7 307.3 416.7 0.00 29 100 16170 -52.3 -85.3 1 33.0 -53.0 265 3 426.7 426.7 308.4 426.7 0.00 30 88 16997 -53.9 -85.9 1 32.0 -54.6 247 3 439.4 439.4 309.8 439.4 0.00 31 71 18388 -51.1 -84.1 1 33.0 -52.2 217 3 473.1 473.1 312.9 473.2 0.00 32 70 18480 -51.3 -85.3 1 34.0 -52.4 215 3 474.6 474.6 313.0 474.7 0.00 33 50 20650 -54.1 -86.1 1 32.0 -55.2 105 13 516.0 516.0 316.1 516.0 0.00 34 32 23515 -55.1 -87.1 1 32.0 -56.6 114 16 583.6 583.6 319.8 583.6 0.01 35 30 23930 -53.5 -87.5 1 34.0 -55.4 115 17 598.8 598.8 320.6 598.8 0.01 36 27 24611 -51.5 -86.5 1 35.0 -53.9 114 17 622.7 622.7 321.6 622.8 0.01 37 20 26560 -51.3 -86.3 1 35.0 -54.4 110 17 679.1 679.2 323.7 679.2 0.01 38 19 26894 -50.5 -86.5 1 36.0 -53.9 108 18 691.7 691.7 324.1 691.8 0.01 39 13 29352 -53.1 -87.1 1 34.0 -56.7 94 23 762.0 762.0 326.3 762.1 0.02 40 11 30429 -52.3 -87.3 1 35.0 -56.6 88 26 802.2 802.2 327.3 802.3 0.02 41 10 31050 -49.1 -85.1 1 36.0 -54.9 85 27 836.3 836.3 328.1 836.5 0.03 42 8.6 32048 -45.3 -84.3 0 39.0 -53.5 887.9 888.0 329.2 888.3 0.04 43 5.7 34827 -39.7 -80.7 0 41.0 -52.9 1023.3 1023.4 331.5 1024.6 0.10 TRP 293 9084 -51.1 -64.1 20 13.0 -51.4 180 33 315.4 315.5 287.3 315.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5439.00 m Freezing level: 796.07 mb = 1871.94 m = 6141.47 ft Wetbulb zero: 797.07 mb = 1827.91 m = 5996.99 ft Precipitable water: 0.84 inches Sfc-500 mean rel hum: 94.37 % Est. max temperature: 16.14 C = 61.05 F Sfc-Lift cond lev (LCL): 969.66 mb = 235.33 m = 772.07 ft T: 8.24 C 700-500 lapse rate: 6.65 C/km ThetaE index: 0.50 C Layer 925.0- 920.0 mb Conv cond level (CCL): 940.45 mb = 487.46 m = 1599.25 ft Mean mixing ratio: 6.42 g/kg Conv temperature: 10.94 C = 51.70 F Cap Strength: 3.05 C Lifted Index: 4.35 C Risk: None Lifted Index @300 mb: 8.39 C Lifted Index @700 mb: 2.13 C Showalter Index: 2.42 C Risk: Showers probable Total Totals Index: 51.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 25.90 C K Index: 28.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 155.40 Risk: None Energy Index: 0.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.61 J/kg Max Up Vert Vel: 5.93 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 4.25 C Lift Cond Lev (LCL): 934.65 mb = 538.41 m = 1766.43 ft Lev Free Conv (LFC): 929.65 mb = 582.63 m = 1911.50 ft Equ Level (EL): 919.65 mb = 671.44 m = 2202.85 ft B at Equ Level: 16.27 J/kg Max Parcel Lev (MPL): 879.65 mb = 1034.86 m = 3395.18 ft Wind level data Storm motion: 175 at 18 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 ---------------------------------------------------------- 0 995 23 50 15 -11.5 -9.6 | 20 29 -9.9 -27.5 1 925 624 85 17 -16.9 -1.5 | 38 25 -15.4 -19.4 2 850 1315 135 15 -10.6 10.6 | 51 12 -9.1 -7.3 3 700 2864 145 25 -14.3 20.5 | 102 13 -12.8 2.6 4 500 5420 160 31 -10.6 29.1 | 141 14 -9.1 11.3 5 400 7010 170 36 -6.3 35.5 | 165 18 -4.7 17.6 6 300 8930 185 35 3.1 34.9 | 195 18 4.6 17.0 7 293 9084 180 33 0.0 33.0 | 186 15 1.5 15.1 8 250 10120 195 27 7.0 26.1 | 226 12 8.5 8.2 9 200 11610 225 17 12.0 12.0 | 293 15 13.6 -5.8 10 150 13520 220 9 5.8 6.9 | 326 13 7.3 -11.0 11 100 16170 265 3 3.0 0.3 | 346 18 4.5 -17.6 12 70 18480 215 3 1.7 2.5 | 348 16 3.3 -15.4 13 50 20650 105 13 -12.6 3.4 | 37 18 -11.0 -14.5 14 30 23930 115 17 -15.4 7.2 | 52 18 -13.9 -10.7 15 20 26560 110 17 -16.0 5.8 | 50 19 -14.4 -12.1 16 10 31050 85 27 -26.9 -2.4 | 51 32 -25.4 -20.2 Wind Parameters Mean winds (0-6000m): 145.1 at 23.9 knts Storm direction: 175.1 at 17.9 knts Shear (0-3000m) pos: 5.3 neg: 0.0 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 84.1 deg Storm rel helicity (0-3000m) pos: 122.3 neg: 0.0 tot: 122.3 m^2/s^2 ave: 40.8 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 4.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.19 Bulk Shear: 90.66 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 65 16 28 28| 8.3 0.0 8.3| 54.0 0.0 54.0 108.1 0.90| 8.4 7.6 1000 81 16 35 25| 8.4 0.0 8.4| 84.8 0.0 84.8 84.8 0.69| 9.4 6.5 1500 96 16 41 22| 7.4 0.0 7.4| 92.2 0.0 92.2 61.4 0.58| 8.7 5.0 2000 108 16 48 19| 6.3 0.0 6.3|102.4 0.0 102.4 51.2 0.63| 7.4 4.6 2500 118 17 55 17| 5.7 0.0 5.7|112.9 0.0 112.9 45.2 0.66| 6.6 4.4 3000 125 19 62 16| 5.3 0.0 5.3|122.3 0.0 122.3 40.8 0.69| 6.0 4.2 4000 133 21 74 14| 4.4 0.0 4.4|134.8 0.0 134.8 33.7 0.72| 5.0 3.6 5000 140 22 86 13| 3.9 0.0 3.9|148.1 0.0 148.1 29.6 0.74| 4.4 3.2 6000 145 24 98 12| 3.5 0.0 3.5|163.9 0.0 163.9 27.3 0.76| 4.0 3.0 Wrote GIF file: /home/apache/climate/data/raob//EI953/skewt/EI953.skewt.20250418.12.gif