UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042806.upa.cvt Date: 0600Z 28 APR 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 28 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 207 SFC 937 757 4.6 4.2 97 0.4 4.4 260 3 283.0 283.9 280.6 298.3 5.52 2 925 862 9.2 6.3 82 2.9 7.6 295 1 288.7 289.9 284.2 307.1 6.48 3 850 1563 6.0 4.7 91 1.3 5.3 85 5 292.4 293.6 285.5 310.6 6.31 4 700 3133 -2.7 -5.4 82 2.7 -3.8 160 3 299.5 300.2 285.5 310.5 3.65 5 500 5720 -20.1 -32.1 33 12.0 -22.1 90 5 308.5 308.6 285.4 310.3 0.52 6 400 7330 -33.1 -47.1 23 14.0 -34.1 120 5 312.0 312.0 286.2 312.5 0.14 7 300 9280 -49.1 -52.7 66 3.6 -49.2 330 5 316.1 316.2 287.6 316.5 0.10 8 250 10450 -57.9 -62.5 56 4.6 -58.0 345 5 320.0 320.0 288.8 320.1 0.03 9 215 11393 -61.9 -68.9 39 7.0 -62.0 335 7 327.9 327.9 291.1 328.0 0.02 10 200 11840 -62.5 -71.5 29 9.0 -62.6 10 9 333.8 333.8 292.7 333.8 0.01 11 150 13630 -58.5 -84.5 2 26.0 -58.7 335 11 369.3 369.3 300.4 369.3 0.00 12 100 16200 -56.5 -86.5 1 30.0 -56.9 325 13 418.6 418.6 307.6 418.6 0.00 TRP 215 11393 -61.9 -68.9 39 7.0 -62.0 335 7 327.9 327.9 291.1 328.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5513.00 m Freezing level: 746.55 mb = 2645.76 m = 8680.21 ft Wetbulb zero: 763.14 mb = 2434.69 m = 7987.73 ft Precipitable water: 0.70 inches Sfc-500 mean rel hum: 71.09 % Est. max temperature: 16.65 C = 61.98 F Sfc-Lift cond lev (LCL): 931.20 mb = 807.60 m = 2649.58 ft T: 6.82 C 700-500 lapse rate: 6.73 C/km ThetaE index: 0.27 C Layer 700.0- 400.0 mb Conv cond level (CCL): 937.00 mb = 757.00 m = 2483.57 ft Mean mixing ratio: 6.32 g/kg Conv temperature: 6.12 C = 43.02 F Cap Strength: 2.23 C Lifted Index: 3.26 C Risk: None Lifted Index @300 mb: 5.72 C Lifted Index @700 mb: 2.23 C Showalter Index: 1.85 C Risk: Showers probable Total Totals Index: 50.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 24.80 C K Index: 28.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 109.40 Risk: None Energy Index: -0.04 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.46 J/kg Max Up Vert Vel: 5.74 m/s Conv Inhibition (B-): 8190.53 J/kg Cap Strength: 3.13 C Lift Cond Lev (LCL): 859.56 mb = 1470.26 m = 4823.62 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 138 at 3 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 ---------------------------------------------------------- 0 937 757 260 3 3.0 0.5 | 289 5 5.0 -1.7 1 925 862 295 1 0.9 -0.4 | 312 4 2.9 -2.7 2 850 1563 85 5 -5.0 -0.4 | 48 4 -3.0 -2.7 3 700 3133 160 3 -1.0 2.8 | 240 1 1.0 0.6 4 500 5720 90 5 -5.0 0.0 | 53 4 -3.0 -2.2 5 400 7330 120 5 -4.3 2.5 | 96 2 -2.3 0.3 6 300 9280 330 5 2.5 -4.3 | 325 8 4.5 -6.6 7 250 10450 345 5 1.3 -4.8 | 335 8 3.3 -7.1 8 215 11393 335 7 3.0 -6.3 | 330 10 5.0 -8.6 9 200 11840 10 9 -1.6 -8.9 | 358 11 0.5 -11.1 10 150 13630 335 11 4.6 -10.0 | 331 14 6.7 -12.2 11 100 16200 325 13 7.5 -10.6 | 324 16 9.5 -12.9 Wind Parameters Mean winds (0-6000m): 108.0 at 4.0 knts Storm direction: 138.0 at 3.0 knts Shear (0-3000m) pos: 0.8 neg: 0.1 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): -116.0 deg Storm rel helicity (0-3000m) pos: 14.2 neg: -0.2 tot: 14.0 m^2/s^2 ave: 4.7 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 3.0 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.18 Bulk Shear: 3.94 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 ------------------------------------------------------------------------------- 500 346 2 329 5| 5.6 0.0 5.6| 6.7 0.0 6.7 13.4 0.86| 6.2 5.4 1000 82 3 24 3| 4.0 0.0 4.0| 13.1 0.0 13.1 13.1 0.88| 6.1 5.4 1500 93 4 38 3| 2.3 0.0 2.3| 13.8 0.0 13.8 9.2 0.83| 4.7 3.9 2000 101 4 46 2| 1.4 0.0 1.4| 14.0 0.0 14.0 7.0 0.82| 4.0 3.3 2500 107 4 50 2| 1.0 0.0 1.0| 14.2 -0.0 14.2 5.7 0.80| 3.5 2.8 3000 115 4 58 1| 0.8 0.1 1.0| 14.2 -0.2 14.0 4.7 0.72| 3.0 2.2 4000 119 4 66 1| 0.6 0.4 1.0| 14.2 -0.5 13.7 3.4 0.58| 2.5 1.5 5000 111 4 60 2| 0.5 0.5 1.0| 14.2 -1.3 12.9 2.6 0.47| 2.2 1.1 6000 108 4 61 2| 0.5 0.4 0.9| 15.3 -1.3 14.0 2.3 0.49| 2.0 1.0 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20250428.06.gif