UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 24 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 152 SFC 930 757 8.6 4.8 77 3.8 6.6 270 13 287.7 288.7 283.0 304.1 5.80 2 925 801 8.0 3.8 75 4.2 5.9 255 9 287.5 288.4 282.5 302.9 5.43 3 850 1491 2.0 1.3 95 0.7 1.7 265 17 288.2 289.1 282.3 302.4 4.95 4 700 3032 -6.7 -7.5 94 0.8 -7.0 205 5 295.1 295.6 283.1 304.4 3.11 5 500 5600 -20.9 -21.4 96 0.5 -21.0 175 15 307.6 307.8 286.1 312.1 1.38 6 400 7210 -32.7 -37.2 64 4.5 -33.2 195 23 312.5 312.6 286.7 313.9 0.39 7 300 9160 -49.9 -53.5 66 3.6 -50.0 180 25 315.0 315.0 287.2 315.4 0.09 8 255 10204 -54.9 -66.9 21 12.0 -55.1 210 21 322.6 322.6 289.6 322.7 0.02 9 250 10330 -53.5 -74.5 6 21.0 -53.8 240 19 326.5 326.5 290.7 326.6 0.01 10 200 11780 -51.9 -78.9 3 27.0 -52.3 290 23 350.6 350.6 296.8 350.6 0.00 11 150 13640 -50.9 -81.9 1 31.0 -51.5 285 7 382.4 382.4 302.6 382.4 0.00 12 100 16240 -55.3 -85.3 1 30.0 -55.8 275 9 420.9 420.9 307.8 420.9 0.00 TRP 255 10204 -54.9 -66.9 21 12.0 -55.1 210 21 322.6 322.6 289.6 322.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5448.00 m Freezing level: 815.52 mb = 1845.25 m = 6053.91 ft Wetbulb zero: 821.28 mb = 1763.81 m = 5786.72 ft Precipitable water: 0.63 inches Sfc-500 mean rel hum: 93.26 % Est. max temperature: 12.15 C = 53.86 F Sfc-Lift cond lev (LCL): 877.63 mb = 1230.00 m = 4035.37 ft T: 4.27 C 700-500 lapse rate: 5.53 C/km ThetaE index: 1.72 C Layer 925.0- 700.0 mb Conv cond level (CCL): 844.43 mb = 1543.15 m = 5062.76 ft Mean mixing ratio: 5.13 g/kg Conv temperature: 9.40 C = 48.92 F Cap Strength: 1.25 C Lifted Index: 6.27 C Risk: None Lifted Index @300 mb: 8.91 C Lifted Index @700 mb: 1.25 C Showalter Index: 6.44 C Risk: None Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 22.20 C K Index: 23.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 64.60 Risk: None Energy Index: 1.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.37 J/kg Max Up Vert Vel: 2.96 m/s Conv Inhibition (B-): 13061.91 J/kg Cap Strength: 6.28 C Lift Cond Lev (LCL): 850.09 mb = 1490.13 m = 4888.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 236 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 ---------------------------------------------------------- 0 930 757 270 13 13.0 -0.0 | 313 7 5.4 -5.1 1 925 801 255 9 8.7 2.3 | 338 3 1.1 -2.8 2 850 1491 265 17 16.9 1.5 | 291 10 9.4 -3.6 3 700 3032 205 5 2.1 4.5 | 84 5 -5.4 -0.6 4 500 5600 175 15 -1.3 14.9 | 138 13 -8.9 9.8 5 400 7210 195 23 6.0 22.2 | 175 17 -1.6 17.1 6 300 9160 180 25 0.0 25.0 | 159 21 -7.6 19.9 7 255 10204 210 21 10.5 18.2 | 193 13 2.9 13.1 8 250 10330 240 19 16.5 9.5 | 244 10 8.9 4.4 9 200 11780 290 23 21.6 -7.9 | 313 19 14.1 -13.0 10 150 13640 285 7 6.8 -1.8 | 6 7 -0.8 -6.9 11 100 16240 275 9 9.0 -0.8 | 347 6 1.4 -5.9 Wind Parameters Mean winds (0-6000m): 205.9 at 12.2 knts Storm direction: 235.9 at 9.1 knts Shear (0-3000m) pos: 0.0 neg: 2.3 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 160.9 deg Storm rel helicity (0-3000m) pos: 5.5 neg: -14.8 tot: -9.2 m^2/s^2 ave: -3.1 10^-3 m/s^2 rel: -0.29 Storm rel vorticity (0-3000m) horiz: 5.3 stream: -1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.29 Bulk Shear: 15.19 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 ------------------------------------------------------------------------------- 500 259 12 308 5| 0.0 2.4 2.4| 1.5 -3.2 -1.6 -3.3 -0.14| 9.4 -1.3 1000 261 14 297 7| 0.0 2.2 2.2| 1.5 -8.1 -6.6 -6.6 -0.23| 7.7 -1.8 1500 257 13 291 6| 0.0 2.5 2.5| 1.5 -11.4 -9.9 -6.6 -0.31| 7.1 -2.2 2000 255 12 294 5| 0.0 2.7 2.7| 1.5 -13.3 -11.8 -5.9 -0.41| 6.6 -2.7 2500 254 11 303 4| 0.0 2.5 2.5| 2.7 -14.8 -12.1 -4.8 -0.38| 6.0 -2.3 3000 248 10 301 2| 0.0 2.3 2.3| 5.5 -14.8 -9.2 -3.1 -0.29| 5.3 -1.6 4000 233 10 213 1| 0.0 2.2 2.2| 10.3 -14.8 -4.4 -1.1 -0.18| 4.6 -0.8 5000 216 11 162 4| 0.0 2.2 2.2| 14.9 -14.8 0.2 0.0 -0.13| 4.1 -0.5 6000 206 12 159 6| 0.5 1.8 2.3| 37.9 -14.8 23.1 3.9 0.02| 4.0 0.1 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20250424.12.gif