UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103106.upa.cvt Date: 0600Z 31 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 31 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 122 SFC 928 757 1.6 1.5 99 0.1 1.5 220 3 280.7 281.5 278.3 293.4 4.59 2 925 780 1.4 1.4 100 0.0 1.4 230 3 280.7 281.5 278.3 293.4 4.57 3 850 1485 12.0 -7.0 26 19.0 3.7 250 5 298.7 299.2 284.1 306.8 2.66 4 700 3081 2.6 -38.4 3 41.0 -6.1 245 7 305.4 305.4 283.8 306.1 0.20 5 500 5720 -14.1 -32.1 20 18.0 -17.7 270 15 315.8 315.9 288.0 317.7 0.52 6 400 7370 -25.7 -46.7 12 21.0 -27.9 260 27 321.6 321.6 289.4 322.1 0.14 7 300 9390 -42.9 -57.9 18 15.0 -43.5 265 15 324.9 324.9 290.3 325.1 0.05 8 250 10590 -53.5 -56.8 67 3.3 -53.6 255 11 326.5 326.5 290.8 326.8 0.07 9 200 11990 -64.5 -73.5 28 9.0 -64.6 295 23 330.6 330.6 291.9 330.7 0.01 10 171 12924 -72.3 -79.3 34 7.0 -72.3 300 38 332.8 332.8 292.5 332.9 0.00 11 150 13700 -67.7 -82.7 10 15.0 -67.8 260 25 353.5 353.5 297.4 353.5 0.00 12 100 16170 -63.1 -87.1 3 24.0 -63.3 255 36 405.8 405.8 306.0 405.8 0.00 TRP 171 12924 -72.3 -79.3 34 7.0 -72.3 300 38 332.8 332.8 292.5 332.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5598.00 m Freezing level: 668.86 mb = 3491.86 m = 11456.10 ft Wetbulb zero: 793.28 mb = 2052.69 m = 6734.46 ft Precipitable water: 0.25 inches Sfc-500 mean rel hum: 19.98 % Est. max temperature: 22.24 C = 72.03 F Sfc-Lift cond lev (LCL): 926.41 mb = 769.16 m = 2523.46 ft T: 1.49 C 700-500 lapse rate: 6.33 C/km ThetaE index: 0.77 C Layer 700.0- 500.0 mb Conv cond level (CCL): 545.51 mb = 5036.79 m = 16524.70 ft Mean mixing ratio: 3.34 g/kg Conv temperature: 33.44 C = 92.20 F Cap Strength: 11.19 C Lifted Index: 13.83 C Risk: None Lifted Index @300 mb: 16.73 C Lifted Index @700 mb: 11.19 C Showalter Index: 10.26 C Risk: None Total Totals Index: 33.20 C Risk: None Vertical Totals Index: 26.10 C Cross Totals Index: 7.10 C K Index: -21.90 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 2.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 57.07 J/kg Max Up Vert Vel: 10.68 m/s Conv Inhibition (B-): 11792.20 J/kg Cap Strength: 13.72 C Lift Cond Lev (LCL): 736.62 mb = 2661.79 m = 8732.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 290 at 8 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 ---------------------------------------------------------- 0 928 757 220 3 1.9 2.3 | 133 7 -5.3 5.0 1 925 780 230 3 2.3 1.9 | 133 7 -4.9 4.6 2 850 1485 250 5 4.7 1.7 | 150 5 -2.5 4.4 3 700 3081 245 7 6.3 3.0 | 171 6 -0.9 5.6 4 500 5720 270 15 15.0 -0.0 | 251 8 7.8 2.7 5 400 7370 260 27 26.6 4.7 | 249 21 19.4 7.4 6 300 9390 265 15 14.9 1.3 | 243 9 7.7 4.0 7 250 10590 255 11 10.6 2.8 | 212 6 3.4 5.5 8 200 11990 295 23 20.8 -9.7 | 297 15 13.6 -7.0 9 171 12924 300 38 32.9 -19.0 | 302 30 25.7 -16.3 10 150 13700 260 25 24.6 4.3 | 248 19 17.4 7.0 11 100 16170 255 36 34.8 9.3 | 246 30 27.5 12.0 Wind Parameters Mean winds (0-6000m): 260.3 at 10.3 knts Storm direction: 290.3 at 7.7 knts Shear (0-3000m) pos: 1.0 neg: 0.2 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 60.5 deg Storm rel helicity (0-3000m) pos: 8.9 neg: 0.0 tot: 8.9 m^2/s^2 ave: 3.0 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 1.2 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 8.64 Bulk Shear: 6.61 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 ------------------------------------------------------------------------------- 500 237 4 138 6| 2.1 0.0 2.1| 2.0 0.0 2.0 4.0 0.59| 2.1 1.2 1000 244 4 143 6| 1.6 0.0 1.6| 3.3 0.0 3.3 3.3 0.65| 1.7 1.1 1500 246 5 148 5| 1.1 0.2 1.3| 4.1 0.0 4.1 2.7 0.71| 1.3 0.9 2000 246 5 152 5| 0.8 0.3 1.1| 5.0 0.0 5.0 2.5 0.74| 1.2 0.9 2500 246 5 156 5| 0.8 0.3 1.1| 6.4 0.0 6.4 2.5 0.77| 1.1 0.9 3000 247 6 160 5| 1.0 0.2 1.2| 8.9 0.0 8.9 3.0 0.83| 1.2 1.0 4000 251 7 174 5| 1.2 0.2 1.3| 14.3 0.0 14.3 3.6 0.87| 1.4 1.2 5000 258 8 193 5| 1.3 0.1 1.4| 20.6 0.0 20.6 4.1 0.87| 1.5 1.3 6000 260 10 213 5| 1.1 0.8 1.8| 21.0 -0.9 20.2 3.4 0.57| 1.9 1.1 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251031.06.gif