UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100913.upa.cvt Date: 1300Z 9 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1300Z 9 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 199 SFC 937 757 11.6 11.0 96 0.6 11.3 30 7 290.1 291.7 287.1 315.0 8.83 2 925 856 10.2 9.9 98 0.3 10.0 15 7 289.7 291.2 286.5 313.2 8.30 3 850 1556 6.6 6.6 100 0.0 6.6 265 5 293.1 294.3 286.6 313.8 7.21 4 700 3129 -1.1 -11.1 47 10.0 -4.8 295 9 301.3 301.7 284.8 308.5 2.34 5 500 5730 -17.5 -33.5 23 16.0 -20.3 325 17 311.7 311.8 286.5 313.3 0.45 6 400 7360 -29.5 -47.5 16 18.0 -31.0 340 25 316.6 316.7 287.8 317.1 0.13 7 300 9360 -42.7 -58.7 16 16.0 -43.3 5 38 325.2 325.2 290.4 325.4 0.05 TRP WND Sounding variables and indices 1000-500 mb thick: 5531.00 m Freezing level: 721.43 mb = 2904.29 m = 9528.38 ft Wetbulb zero: 763.59 mb = 2424.58 m = 7954.57 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 56.71 % Est. max temperature: 17.70 C = 63.86 F Sfc-Lift cond lev (LCL): 928.66 mb = 825.67 m = 2708.86 ft T: 10.63 C 700-500 lapse rate: 6.31 C/km ThetaE index: 5.25 C Layer 700.0- 500.0 mb Conv cond level (CCL): 881.35 mb = 1256.19 m = 4121.31 ft Mean mixing ratio: 7.73 g/kg Conv temperature: 13.11 C = 55.61 F Cap Strength: 1.34 C Lifted Index: 2.64 C Risk: None Lifted Index @300 mb: 8.55 C Lifted Index @700 mb: 1.34 C Showalter Index: 2.46 C Risk: Showers probable Total Totals Index: 48.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 24.10 C K Index: 20.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 106.20 Risk: None Energy Index: -0.10 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.39 J/kg Max Up Vert Vel: 5.73 m/s Conv Inhibition (B-): 898.58 J/kg Cap Strength: 2.60 C Lift Cond Lev (LCL): 883.19 mb = 1238.88 m = 4064.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 345 at 8 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 30 7 -3.5 -6.1 | 109 6 -5.6 1.9 1 925 856 15 7 -1.8 -6.8 | 108 4 -3.9 1.2 2 850 1556 265 5 5.0 0.4 | 199 9 2.9 8.4 3 792 2134 275 7 7.0 -0.6 | 213 9 4.9 7.4 4 700 3129 295 9 8.2 -3.8 | 235 7 6.0 4.2 5 604 4267 310 9 6.9 -5.8 | 245 5 4.8 2.2 6 500 5730 325 17 9.8 -13.9 | 308 10 7.6 -5.9 7 400 7360 340 25 8.6 -23.5 | 337 17 6.4 -15.5 8 300 9360 5 38 -3.3 -37.9 | 10 30 -5.4 -29.8 Wind Parameters Mean winds (0-6000m): 315.2 at 11.0 knts Storm direction: 345.2 at 8.3 knts Shear (0-3000m) pos: 0.9 neg: 1.9 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 131.3 deg Storm rel helicity (0-3000m) pos: 15.8 neg: -2.7 tot: 13.1 m^2/s^2 ave: 4.4 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.27 Bulk Shear: 7.22 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 ------------------------------------------------------------------------------- 500 356 7 133 2| 0.0 8.4 8.4| 2.8 -0.2 2.6 5.2 0.47| 9.3 4.4 1000 326 6 202 3| 0.0 5.7 5.7| 4.6 -2.7 1.8 1.8 0.26| 7.4 1.9 1500 300 6 213 6| 0.6 3.8 4.4| 8.9 -2.7 6.2 4.1 0.35| 5.6 1.9 2000 294 7 216 7| 0.9 2.9 3.7| 12.3 -2.7 9.6 4.8 0.40| 4.6 1.8 2500 294 7 219 7| 1.0 2.3 3.3| 15.0 -2.7 12.3 4.9 0.43| 4.0 1.7 3000 295 7 223 7| 0.9 1.9 2.8| 15.8 -2.7 13.1 4.4 0.44| 3.5 1.5 4000 300 8 230 6| 1.1 1.4 2.6| 20.5 -2.7 17.8 4.5 0.50| 3.1 1.6 5000 308 9 246 6| 1.5 1.1 2.7| 30.4 -2.7 27.7 5.5 0.56| 3.1 1.7 6000 315 11 268 6| 1.7 1.0 2.7| 43.0 -2.7 40.3 6.7 0.58| 3.1 1.8 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251009.13.gif