UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102212.upa.cvt Date: 1200Z 22 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 22 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 1 925 691 220 9 SFC 918 757 10.2 9.4 95 0.8 9.7 220 9 290.4 291.8 286.5 313.3 8.08 3 850 1394 7.8 6.7 93 1.1 7.2 240 40 294.3 295.6 287.2 315.3 7.26 4 700 2969 -1.1 -1.3 99 0.2 -1.2 280 31 301.3 302.2 287.5 316.2 4.97 5 500 5580 -16.1 -16.9 94 0.8 -16.3 270 29 313.4 313.8 288.8 320.1 2.04 6 400 7220 -28.5 -30.6 82 2.1 -28.8 275 31 317.9 318.1 288.9 320.6 0.75 7 300 9210 -45.9 -53.9 40 8.0 -46.2 235 25 320.7 320.7 289.0 321.0 0.08 8 250 10400 -56.9 -60.0 68 3.1 -56.9 230 25 321.5 321.5 289.3 321.7 0.05 9 222 11141 -63.3 -67.1 60 3.8 -63.3 255 25 322.7 322.7 289.6 322.8 0.02 10 200 11790 -58.1 -76.1 8 18.0 -58.3 265 33 340.8 340.8 294.5 340.8 0.01 11 150 13610 -57.5 -82.5 3 25.0 -57.8 265 33 371.0 371.0 300.8 371.0 0.00 12 100 16160 -60.3 -85.3 2 25.0 -60.6 270 23 411.2 411.2 306.7 411.2 0.00 TRP 222 11141 -63.3 -67.1 60 3.8 -63.3 255 25 322.7 322.7 289.6 322.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5551.00 m Freezing level: 718.54 mb = 2774.34 m = 9102.05 ft Wetbulb zero: 721.67 mb = 2721.64 m = 8929.15 ft Precipitable water: 0.93 inches Sfc-500 mean rel hum: 95.62 % Est. max temperature: 17.61 C = 63.70 F Sfc-Lift cond lev (LCL): 907.03 mb = 856.51 m = 2810.02 ft T: 9.83 C 700-500 lapse rate: 5.74 C/km ThetaE index: 0.00 C Layer 918.0--8390752015546130719055026944212992.0 mb Conv cond level (CCL): 830.37 mb = 1583.53 m = 5195.23 ft Mean mixing ratio: 7.45 g/kg Conv temperature: 14.88 C = 58.78 F Cap Strength: 0.87 C Lifted Index: 3.39 C Risk: None Lifted Index @300 mb: 4.59 C Lifted Index @700 mb: 0.81 C Showalter Index: 2.98 C Risk: Showers probable Total Totals Index: 46.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 22.80 C K Index: 30.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 276.90 Risk: None Energy Index: 0.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.63 J/kg Max Up Vert Vel: 6.42 m/s Conv Inhibition (B-): 7898.59 J/kg Cap Strength: 3.28 C Lift Cond Lev (LCL): 854.06 mb = 1354.60 m = 4444.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 at 23 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 ---------------------------------------------------------- 0 918 757 220 9 5.8 6.9 | 139 23 -14.9 17.2 1 850 1394 240 40 34.6 20.0 | 205 33 14.0 30.3 2 700 2969 280 31 30.5 -5.4 | 244 11 9.9 4.9 3 500 5580 270 29 29.0 -0.0 | 219 13 8.3 10.3 4 400 7220 275 31 30.9 -2.7 | 233 13 10.2 7.6 5 300 9210 235 25 20.5 14.3 | 180 25 -0.2 24.6 6 250 10400 230 25 19.2 16.1 | 177 26 -1.5 26.4 7 222 11141 255 25 24.1 6.5 | 192 17 3.5 16.8 8 200 11790 265 33 32.9 2.9 | 223 18 12.2 13.2 9 150 13610 265 33 32.9 2.9 | 223 18 12.2 13.2 10 100 16160 270 23 23.0 -0.0 | 193 11 2.3 10.3 Wind Parameters Mean winds (0-6000m): 266.4 at 30.8 knts Storm direction: 296.4 at 23.1 knts Shear (0-3000m) pos: 4.7 neg: 0.2 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 96.2 deg Storm rel helicity (0-3000m) pos: 295.3 neg: -4.6 tot: 290.7 m^2/s^2 ave: 96.9 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 10.2 stream: 7.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.56 Bulk Shear: 36.93 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 ------------------------------------------------------------------------------- 500 236 21 171 22| 25.5 0.0 25.5|159.7 0.0 159.7 319.4 0.95| 25.8 24.6 1000 240 30 191 25| 15.6 0.0 15.6|242.8 0.0 242.8 242.8 0.89| 19.6 17.5 1500 246 32 200 25| 9.9 0.0 9.9|272.2 0.0 272.2 181.5 0.83| 16.0 13.2 2000 251 32 205 23| 7.2 0.0 7.2|290.3 0.0 290.3 145.2 0.78| 14.1 10.9 2500 255 32 210 21| 5.6 0.0 5.6|295.3 -1.5 293.8 117.5 0.75| 12.0 9.0 3000 259 32 213 20| 4.7 0.2 4.9|295.3 -4.6 290.7 96.9 0.72| 10.2 7.3 4000 263 31 217 17| 3.5 0.4 3.9|295.3 -10.8 284.5 71.1 0.66| 7.9 5.2 5000 265 31 218 16| 2.8 0.5 3.3|296.4 -15.9 280.5 56.1 0.62| 6.5 4.1 6000 266 31 220 16| 2.5 0.4 2.9|303.2 -15.9 287.3 47.9 0.63| 5.6 3.5 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251022.12.gif