UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102011.upa.cvt Date: 1100Z 20 OCT 25 Searching for EG693... Searching the city database file for: EG693 ... Date:1100Z 20 OCT 25 Station: EG693 WMO ident: 3693 Latitude: 51.55 Longitude: 0.85 ------------------------------------------------------------------------------- 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 -82 SFC 990 3 16.0 14.0 88 2.0 14.7 160 10 290.0 291.8 288.3 318.7 10.20 2 925 574 10.2 9.7 97 0.5 9.9 200 29 289.7 291.2 286.4 312.9 8.19 3 850 1274 6.2 4.0 86 2.2 5.1 200 33 292.6 293.7 285.3 310.0 6.00 4 700 2839 -3.5 -5.4 87 1.9 -4.3 200 31 298.6 299.3 285.2 309.6 3.65 5 500 5410 -21.1 -25.5 68 4.4 -22.0 190 35 307.3 307.5 285.5 310.5 0.96 6 400 7020 -34.1 -37.7 70 3.6 -34.5 185 41 310.7 310.7 286.0 312.0 0.37 7 300 8980 -45.1 -65.1 9 20.0 -45.6 180 51 321.8 321.8 289.3 321.9 0.02 8 267 9755 -47.7 -66.7 9 19.0 -48.1 200 35 328.9 328.9 291.4 329.0 0.02 9 250 10190 -46.9 -71.9 4 25.0 -47.4 205 31 336.3 336.3 293.4 336.4 0.01 10 200 11660 -48.1 -78.1 2 30.0 -48.7 230 23 356.6 356.6 298.0 356.6 0.00 11 150 13540 -51.9 -80.9 2 29.0 -52.4 255 28 380.6 380.6 302.3 380.7 0.00 TRP 267 9755 -47.7 -66.7 9 19.0 -48.1 200 35 328.9 328.9 291.4 329.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5492.00 m Freezing level: 754.12 mb = 2274.31 m = 7461.55 ft Wetbulb zero: 769.06 mb = 2080.61 m = 6826.06 ft Precipitable water: 0.96 inches Sfc-500 mean rel hum: 82.98 % Est. max temperature: 19.02 C = 66.24 F Sfc-Lift cond lev (LCL): 961.01 mb = 253.06 m = 830.25 ft T: 13.46 C 700-500 lapse rate: 6.85 C/km ThetaE index: 9.07 C Layer 925.0- 500.0 mb Conv cond level (CCL): 928.81 mb = 539.47 m = 1769.90 ft Mean mixing ratio: 8.64 g/kg Conv temperature: 15.77 C = 60.39 F Cap Strength: -0.30 C Lifted Index: -1.55 C Risk: Thunderstorms probable Lifted Index @300 mb: 5.51 C Lifted Index @700 mb: -1.53 C Showalter Index: 1.23 C Risk: Showers probable Total Totals Index: 52.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 25.10 C K Index: 29.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 217.00 Risk: None Energy Index: 0.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 357.42 J/kg Max Up Vert Vel: 26.74 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.00 C Lift Cond Lev (LCL): 924.73 mb = 576.40 m = 1891.04 ft Lev Free Conv (LFC): 919.73 mb = 621.28 m = 2038.29 ft Equ Level (EL): 369.73 mb = 7556.09 m = 24790.01 ft B at Equ Level: 353.26 J/kg Max Parcel Lev (MPL): 279.73 mb = 9444.90 m = 30986.82 ft Wind level data Storm motion: 226 at 24 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 ---------------------------------------------------------- 0 990 3 160 10 -3.4 9.4 | 71 22 -20.4 -7.2 1 925 574 200 29 9.9 27.3 | 147 13 -7.1 10.7 2 850 1274 200 33 11.3 31.0 | 158 16 -5.7 14.5 3 700 2839 200 31 10.6 29.1 | 153 14 -6.4 12.6 4 500 5410 190 35 6.1 34.5 | 149 21 -10.9 17.9 5 400 7020 185 41 3.6 40.8 | 151 28 -13.4 24.3 6 300 8980 180 51 0.0 51.0 | 154 38 -17.0 34.5 7 267 9755 200 35 12.0 32.9 | 163 17 -5.0 16.3 8 250 10190 205 31 13.1 28.1 | 161 12 -3.9 11.5 9 200 11660 230 23 17.6 14.8 | 340 2 0.6 -1.8 10 150 13540 255 28 27.0 7.2 | 313 14 10.1 -9.3 Wind Parameters Mean winds (0-6000m): 195.8 at 31.6 knts Storm direction: 225.8 at 23.7 knts Shear (0-3000m) pos: 4.2 neg: 0.1 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 82.2 deg Storm rel helicity (0-3000m) pos: 107.8 neg: -5.6 tot: 102.2 m^2/s^2 ave: 34.1 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 4.0 10^-3/s Energy-Hel index: 0.24 Bulk Rich Number: 14.37 Bulk Shear: 24.86 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 ------------------------------------------------------------------------------- 500 188 18 96 14| 19.9 0.0 19.9| 85.5 0.0 85.5 171.1 0.92| 20.8 19.1 1000 196 24 122 12| 12.7 0.0 12.7|103.7 0.0 103.7 103.7 0.91| 13.4 12.2 1500 197 27 135 13| 8.5 0.4 8.9|107.8 -0.7 107.1 71.4 0.89| 9.5 8.4 2000 198 28 142 13| 6.3 0.2 6.5|107.8 -2.4 105.3 52.7 0.85| 7.3 6.2 2500 199 29 145 13| 5.1 0.0 5.1|107.8 -4.2 103.6 41.4 0.82| 6.0 4.9 3000 199 29 146 14| 4.2 0.1 4.3|107.8 -5.6 102.2 34.1 0.78| 5.1 4.0 4000 198 30 148 14| 3.2 0.4 3.5|107.8 -7.3 100.4 25.1 0.70| 4.2 2.9 5000 197 31 149 15| 2.5 0.6 3.1|107.8 -10.3 97.5 19.5 0.63| 3.6 2.3 6000 196 32 149 16| 2.1 0.8 2.9|110.8 -11.9 98.9 16.5 0.58| 3.3 1.9 Wrote GIF file: /home/apache/climate/data/raob//EG693/skewt/EG693.skewt.20251020.11.gif