UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 17 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 47 1 925 700 340 5 SFC 918 757 8.8 7.3 90 1.5 8.0 340 5 288.9 290.2 284.8 308.7 7.00 3 850 1394 4.0 4.0 100 0.0 4.0 110 3 290.3 291.4 284.4 307.5 6.00 4 700 2973 0.0 -6.0 64 6.0 -2.6 155 35 302.5 303.1 286.5 313.2 3.49 5 500 5600 -15.1 -32.1 22 17.0 -18.4 160 48 314.6 314.7 287.6 316.5 0.52 6 400 7240 -27.7 -44.7 18 17.0 -29.4 160 58 319.0 319.0 288.6 319.7 0.18 7 300 9230 -45.3 -51.3 51 6.0 -45.6 150 66 321.5 321.5 289.3 321.9 0.11 8 262 10119 -52.0 -57.2 53 5.3 -52.1 155 73 324.4 324.4 290.2 324.7 0.06 9 250 10420 -54.3 -59.3 54 5.0 -54.4 155 56 325.3 325.3 290.5 325.5 0.05 10 213 11433 -61.5 -66.4 52 4.9 -61.6 145 54 329.4 329.4 291.6 329.5 0.02 11 200 11830 -55.9 -75.9 6 20.0 -56.1 150 36 344.2 344.2 295.3 344.3 0.01 12 150 13700 -50.1 -82.1 1 32.0 -50.7 210 35 383.7 383.7 302.8 383.8 0.00 13 100 16310 -54.9 -84.9 1 30.0 -55.5 175 21 421.7 421.7 307.9 421.7 0.00 TRP 213 11433 -61.5 -66.4 52 4.9 -61.6 145 54 329.4 329.4 291.6 329.5 0.02 WND 262 10119 -52.0 -57.2 53 5.3 -52.1 155 73 324.4 324.4 290.2 324.7 0.06 Sounding variables and indices 1000-500 mb thick: 5553.00 m Freezing level: 700.00 mb = 2973.00 m = 9753.82 ft Wetbulb zero: 759.29 mb = 2311.82 m = 7584.63 ft Precipitable water: 0.64 inches Sfc-500 mean rel hum: 62.04 % Est. max temperature: 16.31 C = 61.36 F Sfc-Lift cond lev (LCL): 897.27 mb = 946.08 m = 3103.89 ft T: 7.38 C 700-500 lapse rate: 5.75 C/km ThetaE index: 1.22 C Layer 850.0- 700.0 mb Conv cond level (CCL): 859.56 mb = 1301.41 m = 4269.65 ft Mean mixing ratio: 6.24 g/kg Conv temperature: 9.97 C = 49.95 F Cap Strength: 5.08 C Lifted Index: 8.43 C Risk: None Lifted Index @300 mb: 9.73 C Lifted Index @700 mb: 5.08 C Showalter Index: 8.79 C Risk: None Total Totals Index: 38.20 C Risk: None Vertical Totals Index: 19.10 C Cross Totals Index: 19.10 C K Index: 17.10 Risk: < 20 % chance of thunderstorms Sweat Index: 102.00 Risk: None Energy Index: 1.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.12 J/kg Max Up Vert Vel: 5.31 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 8.20 C Lift Cond Lev (LCL): 857.91 mb = 1317.36 m = 4322.00 ft Lev Free Conv (LFC): 852.91 mb = 1365.75 m = 4480.74 ft Equ Level (EL): 832.91 mb = 1559.21 m = 5115.46 ft B at Equ Level: 13.15 J/kg Max Parcel Lev (MPL): 792.91 mb = 1959.47 m = 6428.63 ft Wind level data Storm motion: 187 at 25 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 ---------------------------------------------------------- 0 918 757 340 5 1.7 -4.7 | 3 30 -1.6 -30.0 1 850 1394 110 3 -2.8 1.0 | 14 25 -6.1 -24.2 2 700 2973 155 35 -14.8 31.7 | 110 19 -18.1 6.5 3 500 5600 160 48 -16.4 45.1 | 135 28 -19.7 19.9 4 400 7240 160 58 -19.8 54.5 | 142 37 -23.1 29.2 5 300 9230 150 66 -33.0 57.2 | 131 48 -36.3 31.9 6 262 10119 155 73 -30.9 66.2 | 140 53 -34.2 40.9 7 250 10420 155 56 -23.7 50.8 | 133 37 -27.0 25.5 8 213 11433 145 54 -31.0 44.2 | 119 39 -34.3 19.0 9 200 11830 150 36 -18.0 31.2 | 106 22 -21.3 5.9 10 150 13700 210 35 17.5 30.3 | 250 15 14.2 5.1 11 100 16310 175 21 -1.8 20.9 | 50 7 -5.1 -4.3 Wind Parameters Mean winds (0-6000m): 157.5 at 34.0 knts Storm direction: 187.5 at 25.5 knts Shear (0-3000m) pos: 7.5 neg: 0.0 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): 115.9 deg Storm rel helicity (0-3000m) pos: 262.3 neg: -0.4 tot: 262.0 m^2/s^2 ave: 87.3 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 7.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.07 Bulk Shear: 190.92 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 ------------------------------------------------------------------------------- 500 356 4 6 30| 6.8 0.0 6.8| 46.1 0.0 46.1 92.2 0.78| 7.8 6.1 1000 88 5 18 27| 7.5 0.0 7.5| 92.2 -0.4 91.9 91.9 0.80| 8.4 6.7 1500 125 8 27 23| 8.6 0.0 8.6|154.1 -0.4 153.7 102.5 0.87| 9.3 8.1 2000 143 13 36 19| 9.1 0.0 9.1|216.3 -0.4 215.9 107.9 0.91| 10.1 9.1 2500 151 17 48 15| 8.5 0.0 8.5|251.0 -0.4 250.6 100.2 0.92| 9.5 8.7 3000 153 20 60 14| 7.5 0.0 7.5|262.3 -0.4 262.0 87.3 0.91| 8.4 7.6 4000 155 26 82 14| 6.3 0.0 6.3|286.0 -0.4 285.7 71.4 0.90| 6.9 6.2 5000 157 30 99 16| 5.6 0.0 5.6|310.3 -0.4 310.0 62.0 0.87| 6.1 5.3 6000 157 34 111 17| 4.6 0.5 5.1|329.3 -0.4 328.9 54.8 0.83| 5.6 4.6 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20250417.12.gif