UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110305.upa.cvt Date: 0500Z 3 NOV 25 Searching for EG918... Searching the city database file for: EG918 ... Date:0500Z 3 NOV 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 -34 185 6 SFC 994 17 13.6 11.3 86 2.3 12.3 185 6 287.2 288.7 285.7 310.9 8.48 2 925 620 9.6 9.6 100 0.0 9.6 230 43 289.1 290.6 286.1 312.0 8.13 3 850 1321 7.6 7.1 97 0.5 7.3 250 36 294.1 295.4 287.3 315.6 7.46 4 700 2898 -1.3 -1.4 99 0.1 -1.3 245 46 301.0 301.9 287.4 315.9 4.93 5 500 5500 -16.7 -38.7 13 22.0 -20.1 250 54 312.7 312.7 286.6 313.6 0.27 6 400 7140 -30.3 -36.3 56 6.0 -31.0 255 62 315.6 315.7 287.8 317.1 0.43 7 300 9110 -46.3 -49.1 73 2.8 -46.4 265 81 320.1 320.1 288.9 320.7 0.15 8 257 10123 -53.8 -63.5 29 9.8 -53.9 270 101 323.6 323.6 289.9 323.7 0.03 9 250 10300 -55.1 -66.1 24 11.0 -55.3 270 92 324.1 324.2 290.0 324.2 0.02 10 235 10692 -57.1 -68.1 24 11.0 -57.2 270 88 326.9 326.9 290.9 327.0 0.02 11 200 11710 -57.3 -75.3 8 18.0 -57.5 250 67 342.0 342.0 294.8 342.1 0.01 12 150 13570 -53.1 -83.1 1 30.0 -53.5 260 53 378.6 378.6 302.0 378.6 0.00 13 100 16130 -61.5 -85.5 3 24.0 -61.7 245 34 408.9 408.9 306.4 408.9 0.00 TRP 235 10692 -57.1 -68.1 24 11.0 -57.2 270 88 326.9 326.9 290.9 327.0 0.02 WND 257 10123 -53.8 -63.5 29 9.8 -53.9 270 101 323.6 323.6 289.9 323.7 0.03 Sounding variables and indices 1000-500 mb thick: 5534.00 m Freezing level: 721.91 mb = 2667.65 m = 8752.03 ft Wetbulb zero: 722.97 mb = 2635.76 m = 8647.41 ft Precipitable water: 1.06 inches Sfc-500 mean rel hum: 77.01 % Est. max temperature: 20.71 C = 69.27 F Sfc-Lift cond lev (LCL): 960.30 mb = 305.99 m = 1003.90 ft T: 11.68 C 700-500 lapse rate: 5.92 C/km Conv cond level (CCL): 928.10 mb = 591.96 m = 1942.09 ft Mean mixing ratio: 8.21 g/kg Conv temperature: 15.39 C = 59.70 F Cap Strength: 1.90 C Lifted Index: 4.43 C Risk: None Lifted Index @300 mb: 6.06 C Lifted Index @700 mb: 1.90 C Showalter Index: 2.21 C Risk: Showers probable Total Totals Index: 48.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 23.80 C K Index: 31.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 211.20 Risk: None Energy Index: -0.40 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.37 J/kg Max Up Vert Vel: 5.17 m/s Conv Inhibition (B-): 9733.64 J/kg Cap Strength: 4.38 C Lift Cond Lev (LCL): 931.34 mb = 562.74 m = 1846.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 276 at 33 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 ---------------------------------------------------------- 0 994 17 185 6 0.5 6.0 | 106 34 -32.7 9.4 1 925 620 230 43 32.9 27.6 | 180 31 -0.3 31.1 2 850 1321 250 36 33.8 12.3 | 182 16 0.6 15.8 3 700 2898 245 46 41.7 19.4 | 200 24 8.5 22.9 4 500 5500 250 54 50.7 18.5 | 219 28 17.5 21.9 5 400 7140 255 62 59.9 16.0 | 234 33 26.7 19.5 6 300 9110 265 81 80.7 7.1 | 258 49 47.5 10.5 7 257 10123 270 101 101.0 -0.0 | 267 68 67.8 3.4 8 250 10300 270 92 92.0 -0.0 | 267 59 58.8 3.4 9 235 10692 270 88 88.0 -0.0 | 266 55 54.8 3.4 10 200 11710 250 67 63.0 22.9 | 228 40 29.8 26.4 11 150 13570 260 53 52.2 9.2 | 236 23 19.0 12.6 12 100 16130 245 34 30.8 14.4 | 172 18 -2.4 17.8 Wind Parameters Mean winds (0-6000m): 245.9 at 44.5 knts Storm direction: 275.9 at 33.4 knts Shear (0-3000m) pos: 6.0 neg: 1.6 tot: 7.7 10-3/s Storm rel Dir Shear (0-3000m): 95.2 deg Storm rel helicity (0-3000m) pos: 409.9 neg: -0.9 tot: 409.0 m^2/s^2 ave: 136.3 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 11.7 stream: 8.6 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.15 Bulk Shear: 89.54 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 ------------------------------------------------------------------------------- 500 224 21 135 26| 33.0 0.0 33.0|297.3 0.0 297.3 594.6 1.00| 35.0 34.9 1000 230 31 158 25| 18.5 0.0 18.5|376.1 0.0 376.1 376.1 0.85| 26.3 22.5 1500 236 33 165 22| 12.0 0.0 12.0|380.8 -0.9 379.9 253.3 0.76| 20.2 15.3 2000 240 35 171 21| 9.0 0.9 9.9|391.0 -0.9 390.1 195.1 0.75| 16.0 12.0 2500 242 36 176 21| 7.2 1.4 8.6|400.6 -0.9 399.8 159.9 0.74| 13.5 10.0 3000 242 38 180 21| 6.0 1.6 7.7|409.9 -0.9 409.0 136.3 0.73| 11.7 8.6 4000 244 40 187 22| 4.9 1.2 6.2|431.4 -0.9 430.6 107.6 0.74| 9.3 6.8 5000 245 42 193 22| 4.3 1.0 5.3|453.8 -0.9 452.9 90.6 0.75| 7.8 5.8 6000 246 45 199 23| 4.0 0.8 4.8|484.5 -0.9 483.6 80.6 0.75| 6.9 5.2 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20251103.05.gif