UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102012.upa.cvt Date: 1200Z 20 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 20 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 38 1 925 710 230 1 SFC 920 757 13.2 4.2 54 9.0 8.4 230 1 293.3 294.3 285.1 309.6 5.62 3 850 1422 11.8 0.8 47 11.0 6.2 120 3 298.5 299.4 286.3 312.7 4.77 4 700 3006 -0.5 -12.5 40 12.0 -4.9 190 19 301.9 302.3 284.7 308.5 2.09 5 500 5620 -15.7 -16.1 97 0.4 -15.8 245 13 313.9 314.3 289.0 321.0 2.18 6 400 7270 -25.9 -30.0 68 4.1 -26.6 245 27 321.3 321.5 290.0 324.1 0.79 7 300 9280 -43.3 -50.3 46 7.0 -43.6 255 23 324.3 324.4 290.2 324.8 0.13 8 250 10480 -54.3 -61.3 42 7.0 -54.4 250 35 325.3 325.3 290.4 325.5 0.04 9 201 11849 -64.5 -68.1 61 3.6 -64.6 240 42 330.1 330.1 291.7 330.2 0.02 10 200 11880 -64.3 -67.8 62 3.5 -64.3 240 42 330.9 330.9 292.0 331.0 0.02 11 150 13660 -60.1 -81.1 5 21.0 -60.3 250 25 366.5 366.5 299.9 366.6 0.00 12 100 16190 -61.7 -84.7 3 23.0 -61.9 280 21 408.5 408.5 306.3 408.5 0.00 TRP 201 11849 -64.5 -68.1 61 3.6 -64.6 240 42 330.1 330.1 291.7 330.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5582.00 m Freezing level: 706.10 mb = 2941.61 m = 9650.83 ft Wetbulb zero: 766.18 mb = 2269.03 m = 7444.23 ft Precipitable water: 0.60 inches Sfc-500 mean rel hum: 58.02 % Est. max temperature: 20.09 C = 68.16 F Sfc-Lift cond lev (LCL): 803.00 mb = 1886.06 m = 6187.79 ft T: 8.20 C 700-500 lapse rate: 5.81 C/km ThetaE index: 4.25 C Layer 700.0- 500.0 mb Conv cond level (CCL): 681.64 mb = 3212.48 m = 10539.49 ft Mean mixing ratio: 4.96 g/kg Conv temperature: 22.60 C = 72.69 F Cap Strength: 3.80 C Lifted Index: 5.70 C Risk: None Lifted Index @300 mb: 9.36 C Lifted Index @700 mb: 2.88 C Showalter Index: 4.91 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 16.50 C K Index: 16.30 Risk: < 20 % chance of thunderstorms Sweat Index: 28.60 Risk: None Energy Index: 1.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.02 J/kg Max Up Vert Vel: 6.48 m/s Conv Inhibition (B-): 9227.37 J/kg Cap Strength: 5.62 C Lift Cond Lev (LCL): 742.78 mb = 2522.02 m = 8274.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 244 at 10 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 ---------------------------------------------------------- 0 920 757 230 1 0.8 0.6 | 66 9 -8.4 -3.8 1 850 1422 120 3 -2.6 1.5 | 76 12 -11.8 -2.9 2 700 3006 190 19 3.3 18.7 | 158 15 -5.9 14.3 3 500 5620 245 13 11.8 5.5 | 248 3 2.6 1.1 4 400 7270 245 27 24.5 11.4 | 245 17 15.3 7.0 5 300 9280 255 23 22.2 6.0 | 263 13 13.0 1.5 6 250 10480 250 35 32.9 12.0 | 252 25 23.7 7.5 7 201 11849 240 42 36.4 21.0 | 239 32 27.2 16.6 8 200 11880 240 42 36.4 21.0 | 239 32 27.2 16.6 9 150 13660 250 25 23.5 8.6 | 254 15 14.3 4.1 10 100 16190 280 21 20.7 -3.6 | 305 14 11.5 -8.1 Wind Parameters Mean winds (0-6000m): 214.3 at 13.6 knts Storm direction: 244.3 at 10.2 knts Shear (0-3000m) pos: 2.8 neg: 1.1 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 105.6 deg Storm rel helicity (0-3000m) pos: 96.3 neg: -0.3 tot: 96.0 m^2/s^2 ave: 32.0 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 4.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.93 Bulk Shear: 22.60 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 ------------------------------------------------------------------------------- 500 146 2 74 11| 0.0 2.6 2.6| 4.8 0.0 4.8 9.7 0.66| 3.0 2.0 1000 134 3 78 12| 0.0 3.4 3.4| 15.2 -0.3 14.9 14.9 0.63| 4.0 2.5 1500 148 5 89 12| 2.1 2.2 4.3| 38.1 -0.3 37.8 25.2 0.78| 4.8 3.7 2000 169 7 104 11| 3.3 1.7 5.0| 67.7 -0.3 67.4 33.7 0.86| 5.5 4.7 2500 182 9 119 10| 3.3 1.3 4.7| 89.3 -0.3 89.0 35.6 0.87| 5.6 4.8 3000 187 11 128 10| 2.8 1.1 3.9| 96.3 -0.3 96.0 32.0 0.84| 5.3 4.4 4000 196 12 141 9| 2.1 0.8 3.0|104.7 -0.3 104.4 26.1 0.79| 4.8 3.8 5000 204 13 150 8| 1.8 0.7 2.5|108.5 -0.3 108.2 21.6 0.77| 4.4 3.4 6000 214 14 167 7| 1.5 0.7 2.2|108.5 -0.6 107.9 18.0 0.64| 4.4 2.8 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251020.12.gif