UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 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 204 SFC 937 757 15.6 6.6 55 9.0 10.6 60 9 294.2 295.3 286.4 313.1 6.53 2 925 868 14.0 6.0 58 8.0 9.6 55 9 293.6 294.8 286.0 312.0 6.34 3 850 1573 8.0 3.5 73 4.5 5.6 110 5 294.5 295.6 285.8 311.4 5.79 4 700 3147 -2.7 -7.2 71 4.5 -4.5 130 1 299.5 300.1 285.0 309.2 3.18 5 500 5730 -20.1 -33.1 30 13.0 -22.2 80 7 308.5 308.6 285.4 310.2 0.47 6 400 7350 -33.1 -47.1 23 14.0 -34.1 75 5 312.0 312.0 286.2 312.5 0.14 7 300 9300 -49.1 -53.2 62 4.1 -49.3 15 7 316.1 316.2 287.6 316.5 0.09 8 250 10470 -58.1 -63.1 53 5.0 -58.2 5 3 319.7 319.7 288.7 319.8 0.03 9 212 11499 -62.1 -70.1 34 8.0 -62.1 310 3 328.9 328.9 291.4 329.0 0.01 10 200 11860 -61.7 -71.7 25 10.0 -61.8 360 9 335.1 335.1 293.1 335.1 0.01 11 150 13650 -57.7 -83.7 2 26.0 -58.0 355 5 370.7 370.7 300.7 370.7 0.00 12 100 16210 -57.5 -85.5 2 28.0 -57.9 320 9 416.6 416.6 307.3 416.6 0.00 TRP 212 11499 -62.1 -70.1 34 8.0 -62.1 310 3 328.9 328.9 291.4 329.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5526.00 m Freezing level: 737.85 mb = 2749.82 m = 9021.62 ft Wetbulb zero: 766.71 mb = 2409.03 m = 7903.55 ft Precipitable water: 0.64 inches Sfc-500 mean rel hum: 59.53 % Est. max temperature: 17.92 C = 64.26 F Sfc-Lift cond lev (LCL): 818.54 mb = 1878.73 m = 6163.73 ft T: 5.92 C 700-500 lapse rate: 6.74 C/km ThetaE index: 3.93 C Layer 925.0- 500.0 mb Conv cond level (CCL): 773.10 mb = 2341.80 m = 7682.99 ft Mean mixing ratio: 6.06 g/kg Conv temperature: 18.37 C = 65.07 F Cap Strength: 1.69 C Lifted Index: 1.15 C Risk: Showers probable Lifted Index @300 mb: 3.38 C Lifted Index @700 mb: 0.56 C Showalter Index: 1.33 C Risk: Showers probable Total Totals Index: 51.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.10 C Cross Totals Index: 23.60 C K Index: 27.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 113.00 Risk: None Energy Index: -0.24 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.66 J/kg Max Up Vert Vel: 2.31 m/s Conv Inhibition (B-): 7621.53 J/kg Cap Strength: 1.69 C Lift Cond Lev (LCL): 805.54 mb = 2008.54 m = 6589.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 116 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 60 9 -7.8 -4.5 | 38 8 -4.7 -6.0 1 925 868 55 9 -7.4 -5.2 | 33 8 -4.3 -6.7 2 850 1573 110 5 -4.7 1.7 | 98 2 -1.6 0.2 3 700 3147 130 1 -0.8 0.6 | 290 2 2.3 -0.8 4 500 5730 80 7 -6.9 -1.2 | 55 5 -3.8 -2.7 5 400 7350 75 5 -4.8 -1.3 | 32 3 -1.7 -2.8 6 300 9300 15 7 -1.8 -6.8 | 351 8 1.3 -8.3 7 250 10470 5 3 -0.3 -3.0 | 328 5 2.8 -4.5 8 212 11499 310 3 2.3 -1.9 | 302 6 5.4 -3.4 9 200 11860 360 9 -0.0 -9.0 | 344 11 3.1 -10.5 10 150 13650 355 5 0.4 -5.0 | 331 7 3.5 -6.5 11 100 16210 320 9 5.8 -6.9 | 313 12 8.9 -8.4 Wind Parameters Mean winds (0-6000m): 85.7 at 4.6 knts Storm direction: 115.7 at 3.4 knts Shear (0-3000m) pos: 1.5 neg: 0.2 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): -108.3 deg Storm rel helicity (0-3000m) pos: 6.2 neg: -1.4 tot: 4.8 m^2/s^2 ave: 1.6 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 2.4 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.16 Bulk Shear: 2.29 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 65 8 41 7| 4.2 0.0 4.2| 4.6 -1.3 3.3 6.5 0.41| 5.5 2.3 1000 76 7 49 5| 3.7 0.0 3.7| 5.9 -1.3 4.6 4.6 0.45| 4.6 2.1 1500 85 6 54 3| 2.7 0.0 2.7| 6.0 -1.3 4.6 3.1 0.46| 3.6 1.6 2000 90 5 52 2| 2.1 0.0 2.1| 6.0 -1.3 4.7 2.4 0.43| 3.0 1.3 2500 91 4 41 2| 1.8 0.0 1.8| 6.2 -1.4 4.8 1.9 0.41| 2.7 1.1 3000 94 4 33 1| 1.5 0.2 1.7| 6.2 -1.4 4.8 1.6 0.37| 2.4 0.9 4000 95 4 31 1| 1.1 0.5 1.6| 6.3 -1.4 5.0 1.2 0.38| 2.2 0.8 5000 88 4 34 2| 0.9 0.6 1.5| 6.3 -2.0 4.4 0.9 0.29| 2.0 0.6 6000 86 5 39 2| 0.7 0.4 1.2| 6.3 -3.0 3.3 0.6 0.23| 1.8 0.4 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20250428.12.gif