UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120918.upa.cvt Date: 1800Z 9 DEC 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1800Z 9 DEC 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 136 SFC 931 757 7.4 5.4 87 2.0 6.3 300 1 286.3 287.4 282.7 303.3 6.04 2 925 802 10.8 1.8 54 9.0 6.3 235 1 290.4 291.2 283.0 303.9 4.71 3 850 1513 11.6 -9.4 22 21.0 2.9 200 3 298.3 298.7 283.4 305.1 2.20 4 700 3105 2.4 -16.6 23 19.0 -4.1 280 23 305.1 305.4 285.3 309.9 1.49 5 500 5740 -14.9 -25.9 39 11.0 -17.5 275 21 314.9 315.1 288.1 318.0 0.93 6 400 7390 -26.3 -42.3 21 16.0 -28.2 275 17 320.8 320.9 289.3 321.7 0.23 7 300 9390 -43.1 -63.1 9 20.0 -43.7 345 11 324.6 324.6 290.2 324.7 0.03 8 250 10590 -53.5 -69.5 13 16.0 -53.7 340 11 326.5 326.5 290.7 326.6 0.01 9 200 11990 -65.1 -70.1 50 5.0 -65.1 360 17 329.7 329.7 291.6 329.7 0.02 10 168 13034 -71.1 -76.1 47 5.0 -71.1 360 36 336.5 336.5 293.4 336.6 0.01 11 150 13710 -66.9 -82.9 9 16.0 -67.0 335 17 354.8 354.8 297.7 354.9 0.00 12 100 16180 -63.7 -86.7 3 23.0 -63.9 350 29 404.7 404.7 305.8 404.7 0.00 TRP 168 13034 -71.1 -76.1 47 5.0 -71.1 360 36 336.5 336.5 293.4 336.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5604.00 m Freezing level: 672.25 mb = 3470.55 m = 11386.18 ft Wetbulb zero: 787.60 mb = 2138.20 m = 7015.02 ft Precipitable water: 0.35 inches Sfc-500 mean rel hum: 29.60 % Est. max temperature: 22.05 C = 71.70 F Sfc-Lift cond lev (LCL): 902.94 mb = 1004.97 m = 3297.11 ft T: 11.03 C 700-500 lapse rate: 6.57 C/km ThetaE index: 0.00 C Layer 931.0- 0.0 mb Conv cond level (CCL): 552.73 mb = 4954.76 m = 16255.59 ft Mean mixing ratio: 3.31 g/kg Conv temperature: 32.61 C = 90.70 F Cap Strength: 9.24 C Lifted Index: 10.86 C Risk: None Lifted Index @300 mb: 14.24 C Lifted Index @700 mb: 9.24 C Showalter Index: 10.60 C Risk: None Total Totals Index: 32.00 C Risk: None Vertical Totals Index: 26.50 C Cross Totals Index: 5.50 C K Index: -1.90 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 2.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.65 J/kg Max Up Vert Vel: 6.88 m/s Conv Inhibition (B-): 11069.17 J/kg Cap Strength: 10.82 C Lift Cond Lev (LCL): 701.83 mb = 3083.56 m = 10116.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 305 at 13 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 ---------------------------------------------------------- 0 931 757 300 1 0.9 -0.5 | 126 12 -9.4 6.8 1 925 802 235 1 0.8 0.6 | 130 12 -9.5 7.9 2 850 1513 200 3 1.0 2.8 | 138 14 -9.3 10.2 3 700 3105 280 23 22.7 -4.0 | 255 13 12.3 3.3 4 500 5740 275 21 20.9 -1.8 | 243 12 10.6 5.5 5 400 7390 275 17 16.9 -1.5 | 229 9 6.6 5.9 6 300 9390 345 11 2.8 -10.6 | 66 8 -7.5 -3.3 7 250 10590 340 11 3.8 -10.3 | 65 7 -6.5 -3.0 8 200 11990 360 17 -0.0 -17.0 | 47 14 -10.3 -9.7 9 168 13034 360 36 -0.0 -36.0 | 20 30 -10.3 -28.7 10 150 13710 335 17 7.2 -15.4 | 21 9 -3.1 -8.1 11 100 16180 350 29 5.0 -28.6 | 14 22 -5.3 -21.2 Wind Parameters Mean winds (0-6000m): 275.5 at 16.9 knts Storm direction: 305.5 at 12.6 knts Shear (0-3000m) pos: 3.7 neg: 1.1 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 125.9 deg Storm rel helicity (0-3000m) pos: 106.1 neg: -2.0 tot: 104.1 m^2/s^2 ave: 34.7 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 5.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.70 Bulk Shear: 33.78 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 ------------------------------------------------------------------------------- 500 222 2 133 13| 0.0 2.5 2.5| 6.7 0.0 6.7 13.5 0.84| 2.6 2.1 1000 209 3 136 13| 0.0 3.1 3.1| 20.1 0.0 20.1 20.1 0.87| 3.4 2.9 1500 226 5 147 13| 2.5 2.1 4.6| 48.3 0.0 48.3 32.2 0.94| 4.8 4.5 2000 251 7 161 10| 4.0 1.6 5.5| 80.6 0.0 80.6 40.3 0.96| 6.0 5.7 2500 271 10 179 7| 4.4 1.3 5.6|106.1 -0.3 105.7 42.3 0.96| 6.4 6.2 3000 273 12 196 7| 3.7 1.1 4.8|106.1 -2.0 104.1 34.7 0.93| 5.4 5.0 4000 275 15 216 7| 2.7 0.9 3.6|106.1 -5.3 100.8 25.2 0.87| 4.2 3.7 5000 276 16 226 8| 2.2 0.8 3.0|106.1 -8.5 97.5 19.5 0.81| 3.5 2.8 6000 275 17 229 9| 1.8 0.7 2.5|106.1 -12.7 93.4 15.6 0.72| 3.1 2.2 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251209.18.gif