UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102006.upa.cvt Date: 0600Z 20 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 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 70 1 925 738 280 5 SFC 923 757 4.6 3.4 92 1.2 4.0 280 5 284.2 285.1 280.9 299.0 5.29 3 850 1446 10.8 0.8 50 10.0 5.7 270 15 297.5 298.3 285.9 311.6 4.77 4 700 3023 -2.5 -8.5 63 6.0 -4.8 245 17 299.7 300.2 284.8 308.5 2.87 5 500 5630 -17.3 -19.1 86 1.8 -17.8 220 27 311.9 312.3 287.9 317.5 1.69 6 400 7280 -25.5 -29.0 72 3.5 -26.2 270 27 321.8 322.0 290.2 324.9 0.87 7 300 9290 -42.3 -46.2 66 3.9 -42.5 270 29 325.7 325.8 290.7 326.5 0.20 8 250 10500 -53.3 -56.1 71 2.8 -53.4 255 33 326.8 326.8 290.9 327.1 0.08 9 200 11890 -63.3 -65.8 71 2.5 -63.3 265 36 332.5 332.5 292.4 332.6 0.03 10 188 12270 -64.7 -67.9 65 3.2 -64.7 295 35 336.2 336.2 293.4 336.3 0.02 11 150 13670 -59.5 -82.5 4 23.0 -59.7 290 35 367.6 367.6 300.1 367.6 0.00 12 100 16190 -62.1 -86.1 3 24.0 -62.3 290 29 407.7 407.7 306.2 407.8 0.00 TRP 188 12270 -64.7 -67.9 65 3.2 -64.7 295 35 336.2 336.2 293.4 336.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5560.00 m Freezing level: 728.20 mb = 2726.57 m = 8945.34 ft Wetbulb zero: 768.69 mb = 2262.64 m = 7423.27 ft Precipitable water: 0.63 inches Sfc-500 mean rel hum: 68.43 % Est. max temperature: 18.73 C = 65.72 F Sfc-Lift cond lev (LCL): 906.02 mb = 912.27 m = 2992.99 ft T: 6.00 C 700-500 lapse rate: 5.68 C/km ThetaE index: 3.11 C Layer 700.0- 500.0 mb Conv cond level (CCL): 712.89 mb = 2874.79 m = 9431.60 ft Mean mixing ratio: 4.90 g/kg Conv temperature: 19.60 C = 67.28 F Cap Strength: 5.32 C Lifted Index: 6.94 C Risk: None Lifted Index @300 mb: 13.46 C Lifted Index @700 mb: 3.11 C Showalter Index: 4.01 C Risk: None Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.10 C Cross Totals Index: 18.10 C K Index: 22.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 66.60 Risk: None Energy Index: 1.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 46.57 J/kg Max Up Vert Vel: 9.65 m/s Conv Inhibition (B-): 10379.90 J/kg Cap Strength: 6.73 C Lift Cond Lev (LCL): 785.66 mb = 2085.34 m = 6841.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 269 at 15 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 ---------------------------------------------------------- 0 923 757 280 5 4.9 -0.9 | 84 10 -10.2 -1.1 1 850 1446 270 15 15.0 -0.0 | 27 0 -0.1 -0.2 2 700 3023 245 17 15.4 7.2 | 183 7 0.3 7.0 3 500 5630 220 27 17.4 20.7 | 186 21 2.3 20.5 4 400 7280 270 27 27.0 -0.0 | 271 12 11.9 -0.2 5 300 9290 270 29 29.0 -0.0 | 271 14 13.9 -0.2 6 250 10500 255 33 31.9 8.5 | 244 19 16.8 8.3 7 200 11890 265 36 35.9 3.1 | 262 21 20.8 2.9 8 188 12270 295 35 31.7 -14.8 | 312 22 16.6 -15.0 9 150 13670 290 35 32.9 -12.0 | 304 22 17.8 -12.2 10 100 16190 290 29 27.3 -9.9 | 310 16 12.2 -10.1 Wind Parameters Mean winds (0-6000m): 239.3 at 20.1 knts Storm direction: 269.3 at 15.1 knts Shear (0-3000m) pos: 0.0 neg: 2.8 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 105.3 deg Storm rel helicity (0-3000m) pos: 2.1 neg: -2.8 tot: -0.7 m^2/s^2 ave: -0.2 10^-3 m/s^2 rel: -0.04 Storm rel vorticity (0-3000m) horiz: 3.6 stream: -0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.83 Bulk Shear: 25.50 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 ------------------------------------------------------------------------------- 500 273 9 84 7| 0.0 7.5 7.5| 0.0 -1.9 -1.9 -3.7 -0.14| 7.6 -1.1 1000 271 12 85 4| 0.0 5.5 5.5| 0.0 -2.0 -2.0 -2.0 -0.10| 6.1 -0.6 1500 267 13 105 2| 0.0 4.0 4.0| 0.0 -2.1 -2.1 -1.4 -0.09| 4.8 -0.4 2000 262 14 140 2| 0.0 3.2 3.2| 0.0 -2.5 -2.5 -1.2 -0.10| 4.2 -0.4 2500 258 14 162 3| 0.0 2.9 2.9| 0.7 -2.8 -2.1 -0.8 -0.08| 3.9 -0.3 3000 255 15 173 4| 0.0 2.8 2.8| 2.1 -2.8 -0.7 -0.2 -0.04| 3.6 -0.1 4000 247 17 184 6| 0.0 2.7 2.7| 2.5 -3.5 -1.0 -0.2 -0.03| 3.4 -0.1 5000 239 19 186 9| 0.1 2.4 2.5| 9.9 -7.8 2.1 0.4 -0.01| 3.4 -0.0 6000 239 20 192 10| 1.2 2.0 3.2| 63.2 -7.8 55.4 9.2 0.26| 4.0 1.1 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251020.06.gif