UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101312.upa.cvt Date: 1200Z 13 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 13 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 216 SFC 938 757 8.8 6.6 86 2.2 7.6 80 7 287.2 288.3 283.6 305.5 6.52 2 925 864 7.2 6.3 94 0.9 6.7 70 7 286.7 287.8 283.4 304.9 6.48 3 850 1557 6.6 4.3 85 2.3 5.4 85 9 293.1 294.2 285.6 310.8 6.13 4 700 3137 -0.5 -3.1 83 2.6 -1.7 30 5 301.9 302.7 287.1 315.1 4.35 5 500 5750 -16.3 -34.3 20 18.0 -19.5 30 11 313.2 313.2 286.9 314.6 0.42 6 400 7390 -28.3 -40.3 31 12.0 -29.7 15 15 318.2 318.3 288.5 319.3 0.28 7 300 9380 -45.1 -54.1 36 9.0 -45.4 335 17 321.8 321.8 289.4 322.1 0.08 8 250 10570 -53.5 -65.5 22 12.0 -53.7 320 19 326.5 326.5 290.7 326.6 0.02 9 200 11980 -61.1 -69.1 34 8.0 -61.2 315 15 336.0 336.0 293.3 336.1 0.02 10 197 12073 -61.5 -70.5 29 9.0 -61.6 305 15 336.8 336.8 293.6 336.9 0.01 11 150 13760 -60.5 -81.5 5 21.0 -60.7 340 23 365.9 365.9 299.8 365.9 0.00 12 100 16270 -64.3 -85.3 4 21.0 -64.5 5 13 403.5 403.5 305.7 403.5 0.00 TRP 197 12073 -61.5 -70.5 29 9.0 -61.6 305 15 336.8 336.8 293.6 336.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5534.00 m Freezing level: 710.56 mb = 3025.73 m = 9926.82 ft Wetbulb zero: 735.53 mb = 2734.07 m = 8969.93 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 67.24 % Est. max temperature: 17.98 C = 64.37 F Sfc-Lift cond lev (LCL): 907.09 mb = 1024.27 m = 3360.44 ft T: 7.06 C 700-500 lapse rate: 6.05 C/km ThetaE index: 0.64 C Layer 925.0- 850.0 mb Conv cond level (CCL): 779.69 mb = 2259.64 m = 7413.44 ft Mean mixing ratio: 6.30 g/kg Conv temperature: 18.46 C = 65.23 F Cap Strength: 4.67 C Lifted Index: 7.35 C Risk: None Lifted Index @300 mb: 10.05 C Lifted Index @700 mb: 4.67 C Showalter Index: 5.54 C Risk: None Total Totals Index: 43.50 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 20.60 C K Index: 24.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 80.60 Risk: None Energy Index: 0.86 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.69 J/kg Max Up Vert Vel: 7.03 m/s Conv Inhibition (B-): 10098.79 J/kg Cap Strength: 7.27 C Lift Cond Lev (LCL): 863.78 mb = 1425.18 m = 4675.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 71 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 ---------------------------------------------------------- 0 938 757 80 7 -6.9 -1.2 | 133 1 -0.9 0.8 1 925 864 70 7 -6.6 -2.4 | 59 1 -0.6 -0.4 2 850 1557 85 9 -9.0 -0.8 | 113 3 -3.0 1.3 3 700 3137 30 5 -2.5 -4.3 | 303 4 3.5 -2.3 4 500 5750 30 11 -5.5 -9.5 | 356 7 0.5 -7.5 5 400 7390 15 15 -3.9 -14.5 | 350 13 2.1 -12.4 6 300 9380 335 17 7.2 -15.4 | 315 19 13.2 -13.4 7 250 10570 320 19 12.2 -14.6 | 304 22 18.2 -12.5 8 200 11980 315 15 10.6 -10.6 | 297 19 16.6 -8.6 9 197 12073 305 15 12.3 -8.6 | 290 19 18.3 -6.6 10 150 13760 340 23 7.9 -21.6 | 325 24 13.9 -19.6 11 100 16270 5 13 -1.1 -13.0 | 336 12 4.9 -10.9 Wind Parameters Mean winds (0-6000m): 41.2 at 8.5 knts Storm direction: 71.2 at 6.3 knts Shear (0-3000m) pos: 0.0 neg: 1.0 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): -171.3 deg Storm rel helicity (0-3000m) pos: 2.1 neg: -3.8 tot: -1.7 m^2/s^2 ave: -0.6 10^-3 m/s^2 rel: -0.34 Storm rel vorticity (0-3000m) horiz: 2.3 stream: -0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 8.53 Bulk Shear: 2.89 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 75 7 94 1| 0.0 1.2 1.2| 0.3 -0.2 0.1 0.1 -0.13| 2.9 -0.4 1000 79 8 104 2| 0.0 0.8 0.8| 0.6 -0.7 -0.2 -0.2 -0.12| 2.7 -0.3 1500 76 8 95 2| 0.0 0.8 0.8| 0.6 -1.8 -1.2 -0.8 -0.38| 2.7 -1.1 2000 73 8 80 1| 0.0 1.1 1.1| 0.6 -2.8 -2.3 -1.1 -0.47| 2.7 -1.3 2500 69 7 56 1| 0.0 1.1 1.1| 0.8 -3.8 -3.0 -1.2 -0.47| 2.5 -1.2 3000 64 7 15 1| 0.0 1.0 1.0| 2.1 -3.8 -1.7 -0.6 -0.34| 2.3 -0.8 4000 54 7 354 2| 0.0 0.9 0.9| 4.6 -3.8 0.9 0.2 -0.17| 2.0 -0.3 5000 47 8 353 3| 0.0 0.9 0.9| 7.2 -3.8 3.4 0.7 -0.07| 1.8 -0.1 6000 41 8 354 4| 0.0 1.0 1.0| 7.2 -4.9 2.2 0.4 -0.08| 1.8 -0.1 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251013.12.gif