UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042506.upa.cvt Date: 0600Z 25 APR 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 25 APR 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 146 SFC 929 757 6.4 4.9 90 1.5 5.6 260 5 285.5 286.5 282.1 301.9 5.85 2 925 793 6.4 4.6 88 1.8 5.5 255 5 285.9 286.9 282.2 302.0 5.75 3 850 1481 1.4 1.1 98 0.3 1.3 275 3 287.6 288.5 282.0 301.5 4.87 4 700 3019 -7.5 -9.1 88 1.6 -8.1 275 13 294.2 294.7 282.3 302.4 2.74 5 500 5560 -23.1 -32.1 44 9.0 -24.5 210 13 304.9 305.0 284.0 306.6 0.52 6 400 7150 -36.1 -38.0 83 1.9 -36.2 165 35 308.1 308.1 285.1 309.3 0.36 7 300 9090 -46.3 -66.3 9 20.0 -46.7 180 9 320.1 320.1 288.8 320.2 0.02 8 273 9712 -49.1 -69.1 8 20.0 -49.5 220 7 324.8 324.8 290.2 324.8 0.01 9 250 10290 -48.7 -74.7 3 26.0 -49.1 275 11 333.7 333.7 292.7 333.7 0.01 10 200 11750 -50.3 -77.3 3 27.0 -50.8 290 23 353.1 353.1 297.3 353.1 0.01 11 150 13610 -52.9 -81.9 2 29.0 -53.4 315 21 378.9 378.9 302.1 378.9 0.00 12 100 16200 -57.3 -85.3 2 28.0 -57.7 295 21 417.0 417.0 307.4 417.0 0.00 TRP 273 9712 -49.1 -69.1 8 20.0 -49.5 220 7 324.8 324.8 290.2 324.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5414.00 m Freezing level: 826.40 mb = 1722.93 m = 5652.60 ft Wetbulb zero: 829.87 mb = 1670.85 m = 5481.73 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 78.29 % Est. max temperature: 11.38 C = 52.48 F Sfc-Lift cond lev (LCL): 907.84 mb = 945.36 m = 3101.55 ft T: 5.29 C 700-500 lapse rate: 6.14 C/km ThetaE index: 0.51 C Layer 850.0- 700.0 mb Conv cond level (CCL): 860.99 mb = 1376.51 m = 4516.05 ft Mean mixing ratio: 5.20 g/kg Conv temperature: 8.21 C = 46.78 F Cap Strength: 0.98 C Lifted Index: 4.68 C Risk: None Lifted Index @300 mb: 13.15 C Lifted Index @700 mb: 0.98 C Showalter Index: 4.83 C Risk: None Total Totals Index: 48.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 24.20 C K Index: 24.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 32.20 Risk: None Energy Index: 1.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.73 J/kg Max Up Vert Vel: 4.41 m/s Conv Inhibition (B-): 12345.70 J/kg Cap Strength: 4.53 C Lift Cond Lev (LCL): 865.64 mb = 1332.65 m = 4372.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 258 at 9 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 ---------------------------------------------------------- 0 929 757 260 5 4.9 0.9 | 76 4 -4.2 -1.0 1 925 793 255 5 4.8 1.3 | 82 4 -4.3 -0.6 2 850 1481 275 3 3.0 -0.3 | 71 7 -6.2 -2.2 3 700 3019 275 13 13.0 -1.1 | 309 5 3.8 -3.0 4 500 5560 210 13 6.5 11.3 | 164 10 -2.7 9.4 5 400 7150 165 35 -9.1 33.8 | 150 37 -18.2 31.9 6 300 9090 180 9 0.0 9.0 | 128 12 -9.2 7.1 7 273 9712 220 7 4.5 5.4 | 127 6 -4.7 3.5 8 250 10290 275 11 11.0 -1.0 | 328 3 1.8 -2.9 9 200 11750 290 23 21.6 -7.9 | 308 16 12.5 -9.8 10 150 13610 315 21 14.8 -14.8 | 341 18 5.7 -16.8 11 100 16200 295 21 19.0 -8.9 | 318 15 9.9 -10.8 Wind Parameters Mean winds (0-6000m): 228.3 at 12.5 knts Storm direction: 258.3 at 9.4 knts Shear (0-3000m) pos: 0.2 neg: 1.5 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 174.4 deg Storm rel helicity (0-3000m) pos: 0.3 neg: -12.5 tot: -12.2 m^2/s^2 ave: -4.1 10^-3 m/s^2 rel: -0.72 Storm rel vorticity (0-3000m) horiz: 2.8 stream: -2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.89 Bulk Shear: 10.89 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 ------------------------------------------------------------------------------- 500 260 4 76 5| 1.5 0.0 1.5| 0.3 -0.9 -0.6 -1.2 -0.24| 1.8 -0.4 1000 266 4 73 5| 0.7 0.0 0.7| 0.3 -2.4 -2.1 -2.1 -0.33| 2.1 -0.7 1500 270 5 67 5| 0.4 1.1 1.6| 0.3 -4.7 -4.4 -2.9 -0.51| 2.5 -1.3 2000 272 6 56 4| 0.3 1.7 2.0| 0.3 -7.0 -6.7 -3.4 -0.64| 2.7 -1.8 2500 273 7 40 3| 0.3 1.7 2.0| 0.3 -9.7 -9.3 -3.7 -0.67| 2.8 -1.9 3000 270 8 26 2| 0.2 1.5 1.7| 0.3 -12.5 -12.2 -4.1 -0.72| 2.8 -2.0 4000 261 9 336 0| 0.2 1.3 1.5| 0.3 -18.7 -18.4 -4.6 -0.76| 2.9 -2.2 5000 250 10 198 2| 0.1 1.5 1.7| 2.4 -25.6 -23.3 -4.7 -0.65| 3.1 -2.0 6000 228 12 181 6| 0.1 2.6 2.7| 2.8 -54.0 -51.2 -8.5 -0.50| 4.1 -2.0 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20250425.06.gif