UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102806.upa.cvt Date: 0600Z 28 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 28 OCT 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 -240 1 925 33 2 850 1284 3 700 2627 SFC 628 757 5.2 3.7 90 1.5 4.3 260 17 318.0 319.5 295.1 343.2 7.98 5 400 4000 -30.7 -47.7 17 17.0 -32.1 320 79 315.1 315.1 287.3 315.6 0.13 6 300 5980 -46.3 -52.3 51 6.0 -46.6 325 106 320.1 320.1 288.9 320.5 0.10 7 293 6136 -47.2 -54.4 44 7.2 -47.4 325 110 321.0 321.0 289.2 321.3 0.08 8 250 7170 -53.3 -68.3 14 15.0 -53.5 330 93 326.8 326.8 290.8 326.9 0.02 9 200 18580 -60.7 -72.7 19 12.0 -60.8 310 85 336.6 336.6 293.5 336.7 0.01 10 197 18075 -61.1 -73.1 19 12.0 -61.2 310 87 337.5 337.5 293.7 337.5 0.01 11 150 10390 -60.3 -82.3 4 22.0 -60.5 295 50 366.2 366.2 299.9 366.2 0.00 12 100 12880 -62.7 -85.7 3 23.0 -62.9 320 36 406.6 406.6 306.1 406.6 0.00 TRP 197 18075 -61.1 -73.1 19 12.0 -61.2 310 87 337.5 337.5 293.7 337.5 0.01 WND 293 6136 -47.2 -54.4 44 7.2 -47.4 325 110 321.0 321.0 289.2 321.3 0.08 Sounding variables and indices 1000-500 mb thick: 2635.71 m Freezing level: 594.97 mb = 1226.74 m = 4024.68 ft Wetbulb zero: 601.05 mb = 1072.32 m = 3518.06 ft Sfc-500 mean rel hum: 67.75 % Est. max temperature: 4.31 C = 39.76 F Sfc-Lift cond lev (LCL): 613.64 mb = 923.34 m = 3029.31 ft T: 3.36 C Conv cond level (CCL): 557.81 mb = 1609.14 m = 5279.27 ft Mean mixing ratio: 5.02 g/kg Conv temperature: 5.04 C = 41.07 F Cap Strength: 0.01 C Lifted Index: -3.53 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -8.47 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6062.49 J/kg Max Up Vert Vel: 110.11 m/s Conv Inhibition (B-): 2.88 J/kg Cap Strength: 0.18 C Lift Cond Lev (LCL): 557.81 mb = 1609.08 m = 5279.08 ft Lev Free Conv (LFC): 552.81 mb = 1673.82 m = 5491.46 ft Equ Level (EL): 212.81 mb = 15405.01 m = 50540.76 ft B at Equ Level: 2287.50 J/kg Wind level data Storm motion: 350 at 55 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 ---------------------------------------------------------- 0 628 757 260 17 16.7 3.0 | 187 57 7.1 56.7 1 500 2390 315 56 39.6 -39.6 | 245 33 30.0 14.2 2 400 4000 320 79 50.8 -60.5 | 279 42 41.2 -6.8 3 300 5980 325 106 60.8 -86.8 | 303 61 51.2 -33.1 4 293 6136 325 110 63.1 -90.1 | 304 65 53.5 -36.4 5 250 7170 330 93 46.5 -80.5 | 306 46 36.9 -26.8 6 197 18075 310 87 66.6 -55.9 | 272 57 57.0 -2.2 7 200 18580 310 85 65.1 -54.6 | 271 56 55.5 -0.9 8 150 10390 295 50 45.3 -21.1 | 228 48 35.7 32.6 9 100 12880 320 36 23.1 -27.6 | 207 29 13.5 26.2 Wind Parameters Mean winds (0-6000m): 319.9 at 72.8 knts Storm direction: 349.9 at 54.6 knts Shear (0-3000m) pos: 11.7 neg: 0.0 tot: 11.7 10-3/s Storm rel Dir Shear (0-3000m): 87.8 deg Storm rel helicity (0-3000m) pos: 765.7 neg: 0.0 tot: 765.7 m^2/s^2 ave: 255.2 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 12.5 stream: 11.2 10^-3/s Energy-Hel index: 24.02 Bulk Rich Number: 16.90 Bulk Shear: 358.70 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 ------------------------------------------------------------------------------- 500 308 21 190 41| 14.0 0.0 14.0|196.1 0.0 196.1 392.2 0.97| 14.1 13.7 1000 299 28 200 43| 14.6 0.0 14.6|382.4 0.0 382.4 382.4 0.92| 15.2 14.0 1500 301 35 209 41| 15.1 0.0 15.1|546.9 0.0 546.9 364.6 0.89| 16.4 14.5 2000 306 40 217 38| 13.8 0.0 13.8|633.9 0.0 633.9 316.9 0.89| 15.0 13.3 2500 309 45 225 36| 12.6 0.0 12.6|698.9 0.0 698.9 279.5 0.90| 13.5 12.1 3000 312 50 233 34| 11.7 0.0 11.7|765.7 0.0 765.7 255.2 0.90| 12.5 11.2 4000 315 58 248 34| 10.6 0.0 10.6|898.3 0.0 898.3 224.6 0.88| 11.2 9.9 5000 318 66 262 35| 10.0 0.0 10.0|1040.0 0.01040.0 208.0 0.86| 10.5 8.9 6000 320 73 273 37| 8.1 0.0 8.1|1119.2 0.01119.2 186.5 0.77| 10.3 7.9 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251028.06.gif