UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102112.upa.cvt Date: 1200Z 21 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 21 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 29 1 925 694 270 9 SFC 919 757 14.2 7.2 63 7.0 10.2 270 9 294.4 295.6 286.9 314.5 6.94 3 850 1400 8.2 2.2 66 6.0 5.1 245 11 294.7 295.7 285.4 310.2 5.28 4 700 2973 -2.3 -5.5 79 3.2 -3.7 245 27 299.9 300.6 285.7 310.9 3.62 5 500 5560 -19.1 -22.3 76 3.2 -19.8 245 33 309.8 310.0 286.7 314.0 1.28 6 400 7180 -29.9 -34.9 62 5.0 -30.6 255 38 316.1 316.2 288.1 317.9 0.49 7 300 9180 -44.3 -48.7 61 4.4 -44.5 260 35 322.9 322.9 289.8 323.5 0.15 8 250 10370 -54.7 -58.7 61 4.0 -54.8 250 40 324.7 324.8 290.3 325.0 0.06 9 215 11325 -61.5 -65.8 56 4.3 -61.6 260 35 328.5 328.5 291.3 328.6 0.03 10 200 11780 -57.3 -74.3 10 17.0 -57.5 265 38 342.0 342.0 294.8 342.1 0.01 11 150 13600 -57.5 -82.5 3 25.0 -57.8 280 33 371.0 371.0 300.8 371.0 0.00 12 100 16150 -56.9 -85.9 1 29.0 -57.3 280 31 417.8 417.8 307.4 417.8 0.00 TRP 215 11325 -61.5 -65.8 56 4.3 -61.6 260 35 328.5 328.5 291.3 328.6 0.03 WND Sounding variables and indices 1000-500 mb thick: 5531.00 m Freezing level: 732.86 mb = 2628.44 m = 8623.38 ft Wetbulb zero: 762.66 mb = 2278.40 m = 7474.96 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 73.96 % Est. max temperature: 17.21 C = 62.98 F Sfc-Lift cond lev (LCL): 827.10 mb = 1621.24 m = 5318.96 ft T: 6.72 C 700-500 lapse rate: 6.49 C/km ThetaE index: 4.30 C Layer 850.0- 700.0 mb Conv cond level (CCL): 755.22 mb = 2357.80 m = 7735.46 ft Mean mixing ratio: 5.78 g/kg Conv temperature: 17.68 C = 63.83 F Cap Strength: 1.82 C Lifted Index: 2.21 C Risk: None Lifted Index @300 mb: 8.24 C Lifted Index @700 mb: 1.02 C Showalter Index: 3.09 C Risk: None Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 21.30 C K Index: 26.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 81.40 Risk: None Energy Index: 0.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.81 J/kg Max Up Vert Vel: 3.10 m/s Conv Inhibition (B-): 9534.09 J/kg Cap Strength: 2.18 C Lift Cond Lev (LCL): 790.34 mb = 1989.61 m = 6527.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 276 at 20 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 ---------------------------------------------------------- 0 919 757 270 9 9.0 -0.0 | 102 11 -10.5 2.2 1 850 1400 245 11 10.0 4.6 | 126 12 -9.6 6.9 2 700 2973 245 27 24.5 11.4 | 200 15 4.9 13.6 3 500 5560 245 33 29.9 13.9 | 213 19 10.4 16.2 4 400 7180 255 38 36.7 9.8 | 235 21 17.2 12.1 5 300 9180 260 35 34.5 6.1 | 241 17 14.9 8.3 6 250 10370 250 40 37.6 13.7 | 229 24 18.1 15.9 7 215 11325 260 35 34.5 6.1 | 241 17 14.9 8.3 8 200 11780 265 38 37.9 3.3 | 253 19 18.3 5.5 9 150 13600 280 33 32.5 -5.7 | 285 13 13.0 -3.5 10 100 16150 280 31 30.5 -5.4 | 286 11 11.0 -3.2 Wind Parameters Mean winds (0-6000m): 246.5 at 26.2 knts Storm direction: 276.5 at 19.6 knts Shear (0-3000m) pos: 0.0 neg: 3.6 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 102.7 deg Storm rel helicity (0-3000m) pos: 61.4 neg: 0.0 tot: 61.4 m^2/s^2 ave: 20.5 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 3.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.13 Bulk Shear: 37.34 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 10 112 11| 0.0 3.7 3.7| 10.1 0.0 10.1 20.2 0.97| 3.8 3.7 1000 252 11 122 11| 0.0 3.9 3.9| 22.8 0.0 22.8 22.8 0.95| 4.3 4.1 1500 249 13 133 10| 0.0 4.2 4.2| 36.6 0.0 36.6 24.4 0.97| 4.6 4.4 2000 247 15 147 10| 0.0 4.4 4.4| 50.5 0.0 50.5 25.2 0.94| 4.8 4.5 2500 247 18 160 10| 0.0 4.1 4.1| 58.2 0.0 58.2 23.3 0.91| 4.4 4.0 3000 246 19 169 10| 0.0 3.6 3.6| 61.4 0.0 61.4 20.5 0.90| 3.9 3.5 4000 246 22 183 11| 0.0 3.0 3.0| 67.7 0.0 67.7 16.9 0.87| 3.2 2.8 5000 246 24 192 13| 0.2 2.5 2.7| 77.4 0.0 77.4 15.5 0.86| 2.8 2.4 6000 246 26 200 13| 0.5 2.1 2.6|102.5 0.0 102.5 17.1 0.88| 2.8 2.4 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251021.12.gif