UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 15 APR 25 Station: ETHA WMO ident: 10954 Latitude: 47.83 Longitude: 10.87 Elevation: 757.00 ------------------------------------------------------------------------------- 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 -17 1 925 656 SFC 914 757 17.4 6.4 48 11.0 11.1 290 7 298.1 299.3 287.9 317.6 6.60 3 850 1370 10.6 5.6 71 5.0 7.8 270 5 297.3 298.5 287.8 316.9 6.72 4 700 2959 -0.5 -2.7 85 2.2 -1.5 185 13 301.9 302.8 287.2 315.5 4.48 5 500 5570 -16.7 -19.0 82 2.3 -17.3 195 31 312.7 313.0 288.2 318.3 1.70 6 400 7210 -28.9 -32.0 75 3.1 -29.4 195 33 317.4 317.6 288.6 319.7 0.65 7 300 9190 -46.1 -53.1 45 7.0 -46.4 190 44 320.4 320.4 289.0 320.7 0.09 8 250 10380 -57.1 -60.8 63 3.7 -57.2 170 38 321.2 321.2 289.2 321.3 0.04 9 238 10690 -58.9 -60.8 79 1.9 -58.9 180 46 323.0 323.0 289.8 323.2 0.04 10 200 11790 -54.9 -77.9 4 23.0 -55.2 200 46 345.8 345.8 295.7 345.8 0.00 11 150 13650 -52.7 -82.7 1 30.0 -53.2 215 35 379.3 379.3 302.1 379.3 0.00 12 100 16220 -59.7 -86.7 2 27.0 -60.0 210 25 412.4 412.4 306.8 412.4 0.00 TRP 238 10690 -58.9 -60.8 79 1.9 -58.9 180 46 323.0 323.0 289.8 323.2 0.04 WND Sounding variables and indices 1000-500 mb thick: 5587.00 m Freezing level: 706.76 mb = 2887.42 m = 9473.06 ft Wetbulb zero: 724.21 mb = 2680.73 m = 8794.93 ft Precipitable water: 0.81 inches Sfc-500 mean rel hum: 79.01 % Est. max temperature: 19.11 C = 66.39 F Sfc-Lift cond lev (LCL): 775.24 mb = 2123.48 m = 6966.71 ft T: 5.34 C 700-500 lapse rate: 6.20 C/km ThetaE index: 2.06 C Layer 850.0- 500.0 mb Conv cond level (CCL): 750.98 mb = 2383.70 m = 7820.45 ft Mean mixing ratio: 6.58 g/kg Conv temperature: 19.51 C = 67.12 F Cap Strength: 1.57 C Lifted Index: 1.33 C Risk: Showers probable Lifted Index @300 mb: 2.75 C Lifted Index @700 mb: 0.36 C Showalter Index: 1.41 C Risk: Showers probable Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 22.30 C K Index: 30.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 120.20 Risk: None Energy Index: 0.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.69 J/kg Max Up Vert Vel: 1.18 m/s Conv Inhibition (B-): 7225.29 J/kg Cap Strength: 1.57 C Lift Cond Lev (LCL): 778.94 mb = 2084.47 m = 6838.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 226 at 14 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 ---------------------------------------------------------- 0 914 757 290 7 6.6 -2.4 | 17 13 -3.8 -12.3 1 850 1370 270 5 5.0 -0.0 | 28 11 -5.4 -9.9 2 700 2959 185 13 1.1 13.0 | 108 10 -9.2 3.0 3 500 5570 195 31 8.0 29.9 | 173 20 -2.4 20.0 4 400 7210 195 33 8.5 31.9 | 175 22 -1.8 21.9 5 300 9190 190 44 7.6 43.3 | 175 34 -2.7 33.4 6 250 10380 170 38 -6.6 37.4 | 148 32 -17.0 27.5 7 238 10690 180 46 0.0 46.0 | 164 38 -10.4 36.1 8 200 11790 200 46 15.7 43.2 | 189 34 5.4 33.3 9 150 13650 215 35 20.1 28.7 | 207 21 9.7 18.7 10 100 16220 210 25 12.5 21.7 | 190 12 2.1 11.7 Wind Parameters Mean winds (0-6000m): 196.2 at 19.1 knts Storm direction: 226.2 at 14.4 knts Shear (0-3000m) pos: 0.6 neg: 3.1 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 120.0 deg Storm rel helicity (0-3000m) pos: 34.4 neg: -0.7 tot: 33.7 m^2/s^2 ave: 11.2 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.01 Bulk Shear: 52.15 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 ------------------------------------------------------------------------------- 500 284 6 21 12| 0.0 2.5 2.5| 5.9 0.0 5.9 11.9 0.78| 2.5 1.9 1000 273 6 23 11| 0.0 2.5 2.5| 7.4 -0.7 6.7 6.7 0.37| 3.0 1.1 1500 255 7 25 9| 0.0 3.2 3.2| 11.7 -0.7 11.0 7.3 0.47| 3.5 1.7 2000 232 8 40 7| 0.0 3.7 3.7| 18.2 -0.7 17.5 8.8 0.59| 4.1 2.4 2500 213 9 66 6| 0.0 3.7 3.7| 25.3 -0.7 24.6 9.8 0.59| 4.2 2.5 3000 205 10 83 6| 0.6 3.1 3.7| 34.4 -0.7 33.7 11.2 0.64| 4.1 2.6 4000 198 13 112 7| 1.4 2.3 3.7| 54.0 -0.7 53.3 13.3 0.67| 4.0 2.7 5000 197 16 136 8| 1.7 1.9 3.6| 72.5 -0.7 71.8 14.4 0.67| 3.8 2.6 6000 196 19 149 10| 1.4 1.6 3.1| 74.9 -0.7 74.2 12.4 0.66| 3.3 2.2 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20250415.12.gif