UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 10 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 175 SFC 934 757 10.4 2.4 58 8.0 6.4 270 9 289.1 290.0 282.6 303.1 4.87 2 925 831 9.6 1.6 57 8.0 5.7 245 7 289.1 289.9 282.4 302.4 4.64 3 850 1531 7.0 -3.0 49 10.0 2.5 270 13 293.5 294.1 283.0 304.1 3.60 4 700 3106 0.2 -14.8 31 15.0 -5.0 225 11 302.7 303.0 284.7 308.2 1.73 5 500 5720 -14.3 -46.3 5 32.0 -18.6 195 23 315.6 315.6 287.5 316.1 0.12 6 400 7370 -28.1 -55.1 6 27.0 -30.0 190 29 318.5 318.5 288.3 318.7 0.05 7 300 9360 -44.3 -62.3 12 18.0 -44.9 185 50 322.9 322.9 289.7 323.0 0.03 8 250 10560 -53.7 -66.7 19 13.0 -53.9 185 44 326.2 326.2 290.6 326.3 0.02 9 200 11970 -61.9 -75.9 14 14.0 -62.0 210 27 334.7 334.7 293.0 334.8 0.01 10 180 12620 -66.5 -76.5 23 10.0 -66.5 185 13 337.5 337.5 293.7 337.5 0.01 11 150 13750 -59.1 -85.1 2 26.0 -59.3 310 15 368.3 368.3 300.2 368.3 0.00 12 100 16240 -64.1 -87.1 3 23.0 -64.3 10 17 403.9 403.9 305.7 403.9 0.00 TRP 180 12620 -66.5 -76.5 23 10.0 -66.5 185 13 337.5 337.5 293.7 337.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5545.00 m Freezing level: 697.24 mb = 3142.05 m = 10308.45 ft Wetbulb zero: 800.39 mb = 2018.88 m = 6623.53 ft Precipitable water: 0.38 inches Sfc-500 mean rel hum: 30.28 % Est. max temperature: 18.41 C = 65.13 F Sfc-Lift cond lev (LCL): 826.96 mb = 1753.97 m = 5754.41 ft T: 6.04 C 700-500 lapse rate: 5.55 C/km ThetaE index: 0.64 C Layer 925.0- 850.0 mb Conv cond level (CCL): 608.40 mb = 4195.58 m = 13764.87 ft Mean mixing ratio: 4.07 g/kg Conv temperature: 29.02 C = 84.23 F Cap Strength: 7.74 C Lifted Index: 12.34 C Risk: None Lifted Index @300 mb: 13.98 C Lifted Index @700 mb: 7.74 C Showalter Index: 11.81 C Risk: None Total Totals Index: 32.60 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 11.30 C K Index: 3.30 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 2.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.71 J/kg Max Up Vert Vel: 5.04 m/s Conv Inhibition (B-): 11224.64 J/kg Cap Strength: 12.03 C Lift Cond Lev (LCL): 768.35 mb = 2350.26 m = 7710.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 243 at 12 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 ---------------------------------------------------------- 0 934 757 270 9 9.0 -0.0 | 19 6 -1.8 -5.5 1 925 831 245 7 6.3 3.0 | 60 5 -4.5 -2.5 2 850 1531 270 13 13.0 -0.0 | 339 6 2.2 -5.5 3 700 3106 225 11 7.8 7.8 | 126 4 -3.1 2.3 4 500 5720 195 23 6.0 22.2 | 164 17 -4.9 16.7 5 400 7370 190 29 5.0 28.6 | 166 24 -5.8 23.1 6 300 9360 185 50 4.4 49.8 | 172 45 -6.5 44.3 7 250 10560 185 44 3.8 43.8 | 170 39 -7.0 38.3 8 200 11970 210 27 13.5 23.4 | 188 18 2.7 17.9 9 180 12620 185 13 1.1 13.0 | 127 12 -9.7 7.4 10 150 13750 310 15 11.5 -9.6 | 358 15 0.6 -15.1 11 100 16240 10 17 -3.0 -16.7 | 32 26 -13.8 -22.2 Wind Parameters Mean winds (0-6000m): 213.1 at 16.2 knts Storm direction: 243.1 at 12.2 knts Shear (0-3000m) pos: 0.4 neg: 2.0 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 138.8 deg Storm rel helicity (0-3000m) pos: 8.3 neg: -6.5 tot: 1.8 m^2/s^2 ave: 0.6 10^-3 m/s^2 rel: 0.09 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.75 Bulk Shear: 17.01 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 ------------------------------------------------------------------------------- 500 255 9 37 4| 0.0 2.4 2.4| 4.9 -3.6 1.3 2.6 0.03| 8.2 0.2 1000 263 10 7 4| 1.1 1.2 2.3| 4.9 -6.4 -1.5 -1.5 -0.17| 6.3 -1.1 1500 261 11 359 4| 0.7 1.6 2.3| 5.0 -6.5 -1.5 -1.0 -0.13| 5.3 -0.7 2000 256 11 358 3| 0.6 1.8 2.4| 5.3 -6.5 -1.2 -0.6 -0.02| 4.8 -0.1 2500 251 11 5 2| 0.4 1.9 2.4| 6.0 -6.5 -0.5 -0.2 0.01| 4.4 0.1 3000 246 12 25 1| 0.4 2.0 2.4| 8.3 -6.5 1.8 0.6 0.09| 4.1 0.4 4000 233 13 163 2| 0.3 2.2 2.5| 10.7 -6.5 4.2 1.1 0.11| 3.8 0.4 5000 221 14 165 6| 0.2 2.4 2.6| 10.7 -9.4 1.3 0.3 0.07| 3.7 0.3 6000 213 16 166 8| 0.2 2.3 2.5| 13.7 -9.4 4.3 0.7 0.08| 3.4 0.3 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251210.12.gif