UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100612.upa.cvt Date: 1200Z 6 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 6 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 216 SFC 937 757 7.4 4.2 80 3.2 5.8 260 17 285.8 286.8 281.9 301.3 5.52 2 925 861 6.0 3.4 83 2.6 4.7 250 17 285.4 286.4 281.4 300.3 5.28 3 850 1548 1.8 -1.7 78 3.5 0.3 285 29 288.0 288.7 281.1 299.4 3.97 4 700 3082 -8.9 -10.8 86 1.9 -9.5 320 27 292.6 293.1 281.3 299.8 2.39 5 500 5640 -19.9 -24.8 65 4.9 -21.0 355 60 308.8 309.0 286.1 312.2 1.02 6 400 7260 -31.1 -35.2 67 4.1 -31.6 355 69 314.6 314.7 287.5 316.3 0.48 7 300 9250 -43.5 -47.4 65 3.9 -43.7 360 97 324.0 324.1 290.2 324.7 0.18 8 265 10076 -48.1 -60.1 24 12.0 -48.4 360 116 329.0 329.0 291.5 329.2 0.04 9 264 10101 -48.1 -60.6 22 12.5 -48.4 360 116 329.4 329.4 291.6 329.6 0.04 10 250 10460 -48.1 -67.1 9 19.0 -48.6 5 112 334.6 334.6 293.0 334.6 0.02 11 200 11930 -47.7 -76.7 2 29.0 -48.3 360 87 357.2 357.2 298.1 357.3 0.01 12 150 13790 -54.1 -81.1 2 27.0 -54.5 350 62 376.9 376.9 301.8 376.9 0.00 13 100 16350 -59.5 -85.5 2 26.0 -59.8 340 42 412.8 412.8 306.9 412.8 0.00 TRP 265 10076 -48.1 -60.1 24 12.0 -48.4 360 116 329.0 329.0 291.5 329.2 0.04 WND 264 10101 -48.1 -60.6 22 12.5 -48.4 360 116 329.4 329.4 291.6 329.6 0.04 Sounding variables and indices 1000-500 mb thick: 5424.00 m Freezing level: 824.77 mb = 1806.06 m = 5925.31 ft Wetbulb zero: 846.10 mb = 1584.30 m = 5197.76 ft Precipitable water: 0.54 inches Sfc-500 mean rel hum: 78.26 % Est. max temperature: 11.41 C = 52.53 F Sfc-Lift cond lev (LCL): 892.22 mb = 1154.15 m = 3786.53 ft T: 4.21 C 700-500 lapse rate: 4.30 C/km ThetaE index: 1.89 C Layer 925.0- 700.0 mb Conv cond level (CCL): 820.41 mb = 1827.94 m = 5997.11 ft Mean mixing ratio: 4.61 g/kg Conv temperature: 10.42 C = 50.75 F Cap Strength: 1.27 C Lifted Index: 9.11 C Risk: None Lifted Index @300 mb: 17.18 C Lifted Index @700 mb: 0.57 C Showalter Index: 9.44 C Risk: None Total Totals Index: 39.90 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 18.20 C K Index: 18.10 Risk: < 20 % chance of thunderstorms Sweat Index: 118.00 Risk: None Energy Index: 2.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.37 J/kg Max Up Vert Vel: 3.57 m/s Conv Inhibition (B-): 13681.49 J/kg Cap Strength: 8.77 C Lift Cond Lev (LCL): 845.92 mb = 1585.99 m = 5203.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 7 at 31 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 ---------------------------------------------------------- 0 937 757 260 17 16.7 3.0 | 211 39 20.2 33.3 1 925 861 250 17 16.0 5.8 | 208 41 19.5 36.1 2 850 1548 285 29 28.0 -7.5 | 234 39 31.5 22.8 3 700 3082 320 27 17.4 -20.7 | 245 23 20.9 9.6 4 500 5640 355 60 5.2 -59.8 | 343 31 8.7 -29.4 5 400 7260 355 69 6.0 -68.7 | 346 40 9.5 -38.4 6 300 9250 360 97 -0.0 -97.0 | 357 67 3.5 -66.7 7 265 10076 360 116 -0.0 -116.0 | 358 86 3.5 -85.7 8 264 10101 360 116 -0.0 -116.0 | 358 86 3.5 -85.7 9 250 10460 5 112 -9.8 -111.6 | 4 81 -6.3 -81.3 10 200 11930 360 87 -0.0 -87.0 | 356 57 3.5 -56.7 11 150 13790 350 62 10.8 -61.1 | 335 34 14.3 -30.7 12 100 16350 340 42 14.4 -39.5 | 297 20 17.9 -9.1 Wind Parameters Mean winds (0-6000m): 336.6 at 40.7 knts Storm direction: 6.6 at 30.5 knts Shear (0-3000m) pos: 5.8 neg: 0.0 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 59.6 deg Storm rel helicity (0-3000m) pos: 307.3 neg: -21.2 tot: 286.2 m^2/s^2 ave: 95.4 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 5.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.03 Bulk Shear: 219.35 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 ------------------------------------------------------------------------------- 500 261 20 214 41| 8.0 0.0 8.0|107.4 -21.2 86.3 172.5 0.62| 13.1 8.1 1000 275 24 224 39| 8.4 0.0 8.4|207.6 -21.2 186.5 186.5 0.74| 12.2 9.0 1500 283 25 228 37| 6.5 0.0 6.5|230.4 -21.2 209.2 139.5 0.68| 10.1 6.8 2000 289 26 232 35| 5.6 0.0 5.6|244.0 -21.2 222.8 111.4 0.62| 9.0 5.6 2500 295 26 235 33| 5.4 0.0 5.4|263.7 -21.2 242.5 97.0 0.61| 8.4 5.1 3000 301 27 239 31| 5.8 0.0 5.8|307.3 -21.2 286.2 95.4 0.67| 8.3 5.5 4000 315 31 252 27| 6.4 0.0 6.4|403.1 -21.2 382.0 95.5 0.75| 8.3 6.2 5000 329 36 271 22| 6.6 0.0 6.6|509.0 -21.2 487.9 97.6 0.78| 8.4 6.5 6000 337 41 290 21| 5.5 0.5 6.0|518.1 -21.2 496.9 82.8 0.74| 7.5 5.5 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251006.12.gif