UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 9 DEC 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 140 SFC 931 757 9.6 3.6 66 6.0 6.5 250 3 288.6 289.5 282.9 303.8 5.32 2 925 807 10.2 0.2 50 10.0 5.4 210 7 289.7 290.5 282.1 301.8 4.19 3 850 1519 12.4 -13.6 15 26.0 2.5 245 11 299.1 299.4 283.0 304.1 1.57 4 700 3107 0.0 -17.0 26 17.0 -5.6 265 23 302.5 302.7 284.2 307.1 1.44 5 500 5730 -14.9 -24.9 42 10.0 -17.3 270 25 314.9 315.1 288.2 318.3 1.01 6 400 7380 -26.7 -51.7 8 25.0 -28.8 255 15 320.3 320.3 288.9 320.6 0.08 7 300 9370 -45.1 -49.5 61 4.4 -45.3 335 25 321.8 321.8 289.5 322.3 0.14 8 250 10560 -55.1 -65.1 28 10.0 -55.2 360 36 324.1 324.2 290.0 324.2 0.02 9 200 11950 -65.1 -73.1 32 8.0 -65.1 330 19 329.7 329.7 291.6 329.7 0.01 10 176 12721 -69.5 -73.9 53 4.4 -69.5 330 36 334.7 334.7 293.0 334.7 0.01 11 150 13680 -67.5 -83.5 9 16.0 -67.6 320 33 353.8 353.8 297.4 353.8 0.00 12 100 16150 -63.1 -89.1 2 26.0 -63.3 325 40 405.8 405.8 306.0 405.8 0.00 TRP 176 12721 -69.5 -73.9 53 4.4 -69.5 330 36 334.7 334.7 293.0 334.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5590.00 m Freezing level: 700.00 mb = 3107.00 m = 10193.45 ft Wetbulb zero: 803.81 mb = 1975.95 m = 6482.69 ft Precipitable water: 0.32 inches Sfc-500 mean rel hum: 30.07 % Est. max temperature: 21.43 C = 70.57 F Sfc-Lift cond lev (LCL): 849.70 mb = 1521.91 m = 4993.07 ft T: 12.38 C 700-500 lapse rate: 5.68 C/km ThetaE index: 1.91 C Layer 925.0- 850.0 mb Conv cond level (CCL): 524.22 mb = 5361.26 m = 17589.23 ft Mean mixing ratio: 2.73 g/kg Conv temperature: 33.67 C = 92.61 F Cap Strength: 7.92 C Lifted Index: 11.80 C Risk: None Lifted Index @300 mb: 13.24 C Lifted Index @700 mb: 6.66 C Showalter Index: 11.27 C Risk: None Total Totals Index: 28.60 C Risk: None Vertical Totals Index: 27.30 C Cross Totals Index: 1.30 C K Index: -3.30 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 2.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.46 J/kg Max Up Vert Vel: 7.41 m/s Conv Inhibition (B-): 11076.77 J/kg Cap Strength: 11.72 C Lift Cond Lev (LCL): 672.39 mb = 3420.70 m = 11222.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 294 at 15 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 ---------------------------------------------------------- 0 931 757 250 3 2.8 1.0 | 123 13 -10.9 7.0 1 925 807 210 7 3.5 6.1 | 140 16 -10.2 12.1 2 850 1519 245 11 10.0 4.6 | 161 11 -3.8 10.6 3 700 3107 265 23 22.9 2.0 | 229 12 9.2 8.0 4 500 5730 270 25 25.0 -0.0 | 242 13 11.3 6.0 5 400 7380 255 15 14.5 3.9 | 184 10 0.8 9.9 6 300 9370 335 25 10.6 -22.7 | 11 17 -3.2 -16.7 7 250 10560 360 36 -0.0 -36.0 | 25 33 -13.7 -30.0 8 200 11950 330 19 9.5 -16.5 | 22 11 -4.2 -10.5 9 176 12721 330 36 18.0 -31.2 | 350 26 4.3 -25.2 10 150 13680 320 33 21.2 -25.3 | 339 21 7.5 -19.3 11 100 16150 325 40 22.9 -32.8 | 341 28 9.2 -26.8 Wind Parameters Mean winds (0-6000m): 263.6 at 20.0 knts Storm direction: 293.6 at 15.0 knts Shear (0-3000m) pos: 2.8 neg: 1.2 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 109.5 deg Storm rel helicity (0-3000m) pos: 74.7 neg: 0.0 tot: 74.7 m^2/s^2 ave: 24.9 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 4.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.93 Bulk Shear: 29.49 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 ------------------------------------------------------------------------------- 500 223 8 145 14| 0.0 6.9 6.9| 27.9 0.0 27.9 55.8 0.83| 9.2 7.6 1000 236 9 152 13| 2.3 3.5 5.8| 39.2 0.0 39.2 39.2 0.82| 7.0 5.7 1500 243 11 161 12| 2.9 2.3 5.2| 50.9 0.0 50.9 33.9 0.86| 6.0 5.2 2000 249 13 172 11| 3.3 1.7 5.0| 63.2 0.0 63.2 31.6 0.89| 5.6 5.0 2500 254 15 183 10| 3.3 1.4 4.7| 72.9 0.0 72.9 29.2 0.90| 5.2 4.6 3000 257 16 192 10| 2.8 1.2 4.0| 74.7 0.0 74.7 24.9 0.90| 4.4 4.0 4000 261 18 205 10| 2.2 0.9 3.1| 78.2 0.0 78.2 19.6 0.90| 3.5 3.1 5000 263 20 214 10| 1.9 0.7 2.6| 81.5 -0.3 81.2 16.2 0.90| 2.9 2.6 6000 264 20 217 10| 1.6 0.7 2.2| 81.5 -19.7 61.8 10.3 0.53| 3.0 1.6 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251209.12.gif