UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 3 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 104 1 925 747 50 1 SFC 924 757 -2.1 -2.4 98 0.3 -2.2 50 1 277.2 277.8 275.0 286.8 3.46 3 850 1429 3.6 -6.4 48 10.0 -0.4 250 1 289.9 290.4 280.5 298.1 2.78 4 700 2967 -8.7 -13.7 67 5.0 -10.2 245 15 292.9 293.2 280.7 298.6 1.89 5 500 5520 -22.1 -39.1 20 17.0 -24.2 245 5 306.1 306.1 284.2 307.0 0.26 6 400 7120 -35.5 -49.5 23 14.0 -36.3 255 17 308.9 308.9 285.0 309.2 0.10 7 300 9060 -50.5 -53.9 67 3.4 -50.6 230 21 314.2 314.2 286.9 314.5 0.08 8 250 10220 -59.1 -63.9 54 4.8 -59.2 215 31 318.2 318.2 288.2 318.3 0.03 9 226 10851 -62.1 -70.1 34 8.0 -62.1 235 29 322.9 322.9 289.6 323.0 0.01 10 200 11610 -62.3 -73.3 22 11.0 -62.4 190 23 334.1 334.1 292.8 334.1 0.01 11 150 13410 -58.7 -83.7 3 25.0 -58.9 195 23 368.9 368.9 300.4 369.0 0.00 12 100 15960 -59.9 -85.9 2 26.0 -60.2 230 15 412.0 412.0 306.7 412.0 0.00 TRP 226 10851 -62.1 -70.1 34 8.0 -62.1 235 29 322.9 322.9 289.6 323.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5416.00 m Freezing level: Surface below freezing Freezing level: 896.74 mb = 1004.58 m = 3295.82 ft Freezing level: 806.10 mb = 1879.15 m = 6165.10 ft Wetbulb zero: Below ground Precipitable water: 0.33 inches Sfc-500 mean rel hum: 51.91 % Est. max temperature: 11.74 C = 53.13 F Sfc-Lift cond lev (LCL): 919.51 mb = 796.18 m = 2612.11 ft T: -1.77 C 700-500 lapse rate: 5.25 C/km ThetaE index: 0.00 C Layer 924.0-126443839488.0 mb Conv cond level (CCL): 710.84 mb = 2845.27 m = 9334.76 ft Mean mixing ratio: 3.01 g/kg Conv temperature: 12.95 C = 55.31 F Cap Strength: 5.34 C Lifted Index: 11.16 C Risk: None Lifted Index @300 mb: 14.34 C Lifted Index @700 mb: 4.32 C Showalter Index: 8.17 C Risk: None Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 25.70 C Cross Totals Index: 15.70 C K Index: 14.30 Risk: None Sweat Index: 7.00 Risk: None Energy Index: 1.86 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 43.26 J/kg Max Up Vert Vel: 9.30 m/s Conv Inhibition (B-): 13878.72 J/kg Cap Strength: 11.12 C Lift Cond Lev (LCL): 790.20 mb = 2006.85 m = 6584.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 277 at 6 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 ---------------------------------------------------------- 0 924 757 50 1 -0.8 -0.6 | 91 7 -7.1 0.1 1 850 1429 250 1 0.9 0.3 | 101 5 -5.4 1.1 2 700 2967 245 15 13.6 6.3 | 226 10 7.3 7.1 3 500 5520 245 5 4.5 2.1 | 148 3 -1.8 2.8 4 400 7120 255 17 16.4 4.4 | 243 11 10.1 5.1 5 300 9060 230 21 16.1 13.5 | 215 17 9.8 14.2 6 250 10220 215 31 17.8 25.4 | 204 29 11.5 26.1 7 226 10851 235 29 23.8 16.6 | 225 25 17.4 17.4 8 200 11610 190 23 4.0 22.7 | 174 23 -2.3 23.4 9 150 13410 195 23 6.0 22.2 | 179 23 -0.4 22.9 10 100 15960 230 15 11.5 9.6 | 207 12 5.2 10.4 Wind Parameters Mean winds (0-6000m): 246.6 at 8.5 knts Storm direction: 276.6 at 6.3 knts Shear (0-3000m) pos: 0.0 neg: 2.2 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 127.2 deg Storm rel helicity (0-3000m) pos: 12.5 neg: -3.3 tot: 9.1 m^2/s^2 ave: 3.0 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.69 Bulk Shear: 11.73 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 47 1 90 7| 0.0 1.8 1.8| 0.9 -0.7 0.3 0.5 0.12| 2.1 0.3 1000 257 1 102 5| 0.0 2.5 2.5| 4.2 -0.7 3.6 3.6 0.54| 2.9 1.6 1500 249 3 118 4| 0.0 3.3 3.3| 7.8 -0.7 7.2 4.8 0.70| 3.5 2.5 2000 247 5 148 3| 0.0 3.6 3.6| 11.2 -0.7 10.6 5.3 0.63| 3.8 2.4 2500 246 7 178 4| 0.0 3.1 3.1| 12.5 -1.6 10.8 4.3 0.54| 3.6 1.9 3000 245 8 191 4| 0.0 2.2 2.2| 12.5 -3.3 9.1 3.0 0.44| 3.4 1.5 4000 245 8 197 4| 0.0 1.2 1.2| 12.5 -6.8 5.7 1.4 0.27| 3.0 0.8 5000 245 8 194 4| 0.1 0.7 0.8| 13.8 -9.2 4.6 0.9 0.19| 2.9 0.5 6000 247 8 200 4| 0.7 0.6 1.3| 21.1 -9.2 11.9 2.0 0.29| 3.0 0.9 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251203.12.gif