UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102218.upa.cvt Date: 1800Z 22 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1800Z 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 13 1 925 684 140 1 SFC 918 757 13.4 9.5 77 3.9 11.1 140 1 293.6 295.1 287.8 317.0 8.14 3 850 1396 11.0 5.0 66 6.0 7.7 245 23 297.7 298.8 287.6 316.6 6.44 4 700 2982 -0.3 -1.4 92 1.1 -0.9 260 29 302.2 303.1 287.8 317.1 4.93 5 500 5590 -16.5 -20.7 70 4.2 -17.6 265 25 312.9 313.2 288.0 317.8 1.47 6 400 7230 -28.7 -36.7 46 8.0 -29.7 255 31 317.7 317.8 288.5 319.2 0.41 7 300 9220 -45.7 -52.7 45 7.0 -46.0 280 33 320.9 321.0 289.2 321.3 0.10 8 250 10410 -55.3 -61.3 47 6.0 -55.4 305 40 323.9 323.9 290.0 324.0 0.04 9 205 11649 -64.1 -67.7 61 3.6 -64.1 295 38 328.9 328.9 291.5 329.0 0.02 10 200 11800 -63.1 -71.1 33 8.0 -63.1 290 40 332.8 332.8 292.5 332.9 0.01 11 150 13610 -57.3 -82.3 3 25.0 -57.6 280 36 371.4 371.4 300.8 371.4 0.00 12 100 16160 -59.9 -84.9 2 25.0 -60.2 275 29 412.0 412.0 306.7 412.0 0.00 TRP 205 11649 -64.1 -67.7 61 3.6 -64.1 295 38 328.9 328.9 291.5 329.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5577.00 m Freezing level: 703.98 mb = 2939.89 m = 9645.20 ft Wetbulb zero: 715.06 mb = 2808.07 m = 9212.72 ft Precipitable water: 0.84 inches Sfc-500 mean rel hum: 79.37 % Est. max temperature: 19.66 C = 67.39 F Sfc-Lift cond lev (LCL): 865.69 mb = 1244.09 m = 4081.60 ft T: 11.57 C 700-500 lapse rate: 6.21 C/km ThetaE index: 0.42 C Layer 850.0- 700.0 mb Conv cond level (CCL): 759.77 mb = 2312.74 m = 7587.65 ft Mean mixing ratio: 6.96 g/kg Conv temperature: 19.91 C = 67.83 F Cap Strength: 2.40 C Lifted Index: 1.70 C Risk: Showers probable Lifted Index @300 mb: 3.32 C Lifted Index @700 mb: 0.68 C Showalter Index: 1.82 C Risk: Showers probable Total Totals Index: 49.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 21.50 C K Index: 31.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 198.75 Risk: None Energy Index: 0.20 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.88 J/kg Max Up Vert Vel: 5.98 m/s Conv Inhibition (B-): 7322.11 J/kg Cap Strength: 2.40 C Lift Cond Lev (LCL): 802.63 mb = 1864.44 m = 6116.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 289 at 19 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 ---------------------------------------------------------- 0 918 757 140 1 -0.6 0.8 | 110 20 -18.6 6.9 1 850 1396 245 23 20.8 9.7 | 190 16 2.9 15.8 2 700 2982 260 29 28.6 5.0 | 224 15 10.6 11.1 3 500 5590 265 25 24.9 2.2 | 220 11 7.0 8.3 4 400 7230 255 31 29.9 8.0 | 220 19 12.0 14.1 5 300 9220 280 33 32.5 -5.7 | 268 15 14.6 0.4 6 250 10410 305 40 32.8 -22.9 | 319 22 14.8 -16.8 7 205 11649 295 38 34.4 -16.1 | 301 19 16.5 -9.9 8 200 11800 290 40 37.6 -13.7 | 291 21 19.7 -7.6 9 150 13610 280 36 35.5 -6.3 | 270 18 17.5 -0.1 10 100 16160 275 29 28.9 -2.5 | 252 12 11.0 3.6 Wind Parameters Mean winds (0-6000m): 258.8 at 25.3 knts Storm direction: 288.8 at 18.9 knts Shear (0-3000m) pos: 4.9 neg: 0.0 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 112.8 deg Storm rel helicity (0-3000m) pos: 201.1 neg: -0.5 tot: 200.6 m^2/s^2 ave: 66.9 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 6.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.53 Bulk Shear: 34.01 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 ------------------------------------------------------------------------------- 500 248 10 137 13| 18.6 0.0 18.6|123.5 0.0 123.5 247.1 0.93| 23.3 21.5 1000 245 16 165 13| 12.7 0.0 12.7|172.0 0.0 172.0 172.0 0.92| 17.5 16.1 1500 248 19 179 13| 9.1 0.0 9.1|183.6 0.0 183.6 122.4 0.93| 12.7 11.7 2000 250 21 189 13| 7.4 0.0 7.4|195.6 0.0 195.6 97.8 0.93| 10.2 9.5 2500 253 23 196 13| 6.0 0.0 6.0|201.1 -0.1 201.0 80.4 0.92| 8.6 7.9 3000 254 24 201 13| 4.9 0.0 4.9|201.1 -0.5 200.6 66.9 0.90| 7.3 6.6 4000 257 25 207 13| 3.5 0.0 3.5|201.1 -1.5 199.6 49.9 0.86| 5.7 4.9 5000 258 25 210 13| 2.7 0.0 2.7|201.3 -2.5 198.8 39.8 0.81| 4.8 3.9 6000 259 25 212 13| 2.2 0.4 2.7|201.8 -2.8 199.1 33.2 0.74| 4.4 3.2 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251022.18.gif