UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102008.upa.cvt Date: 0800Z 20 OCT 25 Searching for EG743... Searching the city database file for: EG743 ... Date:0800Z 20 OCT 25 Station: EG743 WMO ident: 3743 Latitude: 51.20 Longitude: -1.80 ------------------------------------------------------------------------------- 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 -104 SFC 972 135 12.4 11.9 97 0.5 12.1 175 5 287.9 289.5 286.4 313.1 9.03 2 925 550 10.0 9.5 97 0.5 9.7 190 31 289.5 291.0 286.2 312.3 8.08 3 850 1248 6.0 4.2 88 1.8 5.1 205 34 292.4 293.5 285.3 310.0 6.09 4 700 2809 -3.7 -4.3 96 0.6 -4.0 195 33 298.4 299.1 285.4 310.3 3.97 5 500 5380 -20.3 -21.9 87 1.6 -20.7 205 34 308.3 308.5 286.2 312.6 1.32 6 400 6990 -33.9 -37.0 73 3.1 -34.2 195 29 310.9 311.0 286.2 312.3 0.40 7 315 8615 -47.3 -49.7 76 2.4 -47.4 190 33 314.3 314.3 287.0 314.8 0.13 8 300 8940 -43.3 -64.3 8 21.0 -43.9 210 29 324.3 324.3 290.1 324.4 0.02 9 250 10170 -44.5 -72.5 3 28.0 -45.2 225 23 339.9 339.9 294.3 339.9 0.01 10 200 11650 -46.5 -77.5 2 31.0 -47.2 260 23 359.1 359.1 298.5 359.2 0.00 11 150 13540 -52.3 -81.3 2 29.0 -52.8 255 20 380.0 380.0 302.2 380.0 0.00 12 100 16140 -57.1 -84.1 2 27.0 -57.5 270 20 417.4 417.4 307.4 417.4 0.00 TRP 315 8615 -47.3 -49.7 76 2.4 -47.4 190 33 314.3 314.3 287.0 314.8 0.13 WND Sounding variables and indices 1000-500 mb thick: 5484.00 m Freezing level: 757.22 mb = 2213.57 m = 7262.27 ft Wetbulb zero: 765.91 mb = 2085.58 m = 6842.38 ft Precipitable water: 0.93 inches Sfc-500 mean rel hum: 92.02 % Est. max temperature: 17.95 C = 64.31 F Sfc-Lift cond lev (LCL): 964.83 mb = 196.89 m = 645.97 ft T: 12.04 C 700-500 lapse rate: 6.46 C/km ThetaE index: 3.17 C Layer 925.0- 700.0 mb Conv cond level (CCL): 902.15 mb = 756.49 m = 2481.90 ft Mean mixing ratio: 7.91 g/kg Conv temperature: 14.89 C = 58.81 F Cap Strength: 0.33 C Lifted Index: 0.72 C Risk: Showers probable Lifted Index @300 mb: 8.95 C Lifted Index @700 mb: -0.59 C Showalter Index: 2.00 C Risk: Showers probable Total Totals Index: 50.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 24.50 C K Index: 29.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 188.40 Risk: None Energy Index: 0.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 59.22 J/kg Max Up Vert Vel: 10.88 m/s Conv Inhibition (B-): 4.42 J/kg Cap Strength: 0.70 C Lift Cond Lev (LCL): 911.36 mb = 672.59 m = 2206.63 ft Lev Free Conv (LFC): 836.36 mb = 1378.02 m = 4521.00 ft Equ Level (EL): 546.36 mb = 4702.40 m = 15427.65 ft B at Equ Level: 58.80 J/kg Max Parcel Lev (MPL): 376.36 mb = 7404.25 m = 24291.85 ft Wind level data Storm motion: 230 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 ---------------------------------------------------------- 0 972 135 175 5 -0.4 5.0 | 61 22 -18.9 -10.7 1 925 550 190 31 5.4 30.5 | 139 20 -13.1 14.9 2 850 1248 205 34 14.4 30.8 | 165 16 -4.1 15.2 3 700 2809 195 33 8.5 31.9 | 148 19 -9.9 16.2 4 500 5380 205 34 14.4 30.8 | 165 16 -4.1 15.2 5 400 6990 195 29 7.5 28.0 | 138 17 -11.0 12.4 6 315 8615 190 33 5.7 32.5 | 143 21 -12.8 16.8 7 300 8940 210 29 14.5 25.1 | 157 10 -4.0 9.5 8 250 10170 225 23 16.3 16.3 | 105 2 -2.2 0.6 9 200 11650 260 23 22.7 4.0 | 340 12 4.2 -11.7 10 150 13540 255 20 19.3 5.2 | 355 11 0.8 -10.5 11 100 16140 270 20 20.0 -0.0 | 354 16 1.5 -15.7 Wind Parameters Mean winds (0-6000m): 199.7 at 32.3 knts Storm direction: 229.7 at 24.2 knts Shear (0-3000m) pos: 5.0 neg: 0.6 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 89.7 deg Storm rel helicity (0-3000m) pos: 165.5 neg: -21.6 tot: 143.9 m^2/s^2 ave: 48.0 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 5.0 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 2.62 Bulk Shear: 22.56 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 ------------------------------------------------------------------------------- 500 189 20 106 16| 27.4 0.0 27.4|130.8 0.0 130.8 261.6 0.97| 28.2 27.4 1000 194 26 129 16| 15.0 0.0 15.0|157.6 0.0 157.6 157.6 0.95| 17.4 16.6 1500 198 29 141 15| 10.0 0.1 10.1|162.8 -4.7 158.1 105.4 0.89| 12.5 11.1 2000 199 30 145 16| 7.5 0.5 8.0|162.8 -11.8 150.9 75.5 0.80| 9.9 7.9 2500 199 31 147 16| 6.0 0.8 6.8|162.8 -19.2 143.6 57.4 0.73| 8.3 6.0 3000 198 31 148 16| 5.0 0.6 5.7|165.5 -21.6 143.9 48.0 0.71| 7.1 5.0 4000 198 32 149 17| 3.9 0.5 4.3|174.4 -21.6 152.8 38.2 0.71| 5.6 4.0 5000 199 32 151 17| 3.2 0.4 3.6|183.0 -21.6 161.4 32.3 0.72| 4.8 3.4 6000 200 32 153 17| 2.6 0.6 3.2|184.7 -36.1 148.6 24.8 0.60| 4.3 2.6 Wrote GIF file: /home/apache/climate/data/raob//EG743/skewt/EG743.skewt.20251020.08.gif