UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102206.upa.cvt Date: 0600Z 22 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 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 5 1 925 671 270 3 SFC 916 757 8.4 8.0 97 0.4 8.2 270 3 288.7 290.0 285.1 309.5 7.36 3 850 1376 8.8 2.8 66 6.0 5.7 290 7 295.4 296.4 285.8 311.5 5.51 4 700 2960 -0.5 -1.5 93 1.0 -1.0 245 31 301.9 302.8 287.6 316.7 4.90 5 500 5570 -16.3 -17.6 90 1.3 -16.7 270 31 313.2 313.5 288.6 319.5 1.92 6 400 7210 -28.5 -30.2 85 1.7 -28.8 280 36 317.9 318.1 288.9 320.7 0.78 7 300 9210 -45.1 -59.1 19 14.0 -45.6 275 35 321.8 321.8 289.3 322.0 0.04 8 250 10390 -55.7 -62.7 41 7.0 -55.8 265 38 323.3 323.3 289.8 323.4 0.03 9 208 11537 -64.7 -67.9 65 3.2 -64.7 250 33 326.6 326.6 290.7 326.7 0.02 10 200 11780 -58.3 -75.3 10 17.0 -58.5 265 38 340.4 340.4 294.4 340.5 0.01 11 150 13600 -57.3 -81.3 3 24.0 -57.6 275 27 371.4 371.4 300.8 371.4 0.00 12 100 16150 -59.1 -84.1 3 25.0 -59.5 280 31 413.5 413.5 306.9 413.6 0.00 TRP 208 11537 -64.7 -67.9 65 3.2 -64.7 250 33 326.6 326.6 290.7 326.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5565.00 m Freezing level: 708.06 mb = 2874.84 m = 9431.77 ft Wetbulb zero: 721.92 mb = 2708.39 m = 8885.69 ft Precipitable water: 0.82 inches Sfc-500 mean rel hum: 86.31 % Est. max temperature: 18.35 C = 65.03 F Sfc-Lift cond lev (LCL): 910.46 mb = 807.23 m = 2648.36 ft T: 8.43 C 700-500 lapse rate: 6.05 C/km ThetaE index: 0.00 C Layer 916.0- 0.0 mb Conv cond level (CCL): 741.46 mb = 2490.61 m = 8171.21 ft Mean mixing ratio: 6.09 g/kg Conv temperature: 19.42 C = 66.95 F Cap Strength: 3.18 C Lifted Index: 5.36 C Risk: None Lifted Index @300 mb: 7.85 C Lifted Index @700 mb: 3.11 C Showalter Index: 5.07 C Risk: None Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 19.10 C K Index: 26.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 78.60 Risk: None Energy Index: 1.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.29 J/kg Max Up Vert Vel: 7.78 m/s Conv Inhibition (B-): 9308.12 J/kg Cap Strength: 5.25 C Lift Cond Lev (LCL): 814.47 mb = 1724.35 m = 5657.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 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 ---------------------------------------------------------- 0 916 757 270 3 3.0 -0.0 | 115 17 -15.0 7.1 1 850 1376 290 7 6.6 -2.4 | 112 12 -11.4 4.7 2 700 2960 245 31 28.1 13.1 | 207 23 10.1 20.2 3 500 5570 270 31 31.0 -0.0 | 241 15 13.0 7.1 4 400 7210 280 36 35.5 -6.3 | 267 17 17.5 0.8 5 300 9210 275 35 34.9 -3.1 | 257 17 16.9 4.0 6 250 10390 265 38 37.9 3.3 | 242 22 19.9 10.4 7 208 11537 250 33 31.0 11.3 | 215 23 13.0 18.4 8 200 11780 265 38 37.9 3.3 | 242 22 19.9 10.4 9 150 13600 275 27 26.9 -2.4 | 242 10 8.9 4.7 10 100 16150 280 31 30.5 -5.4 | 262 13 12.6 1.7 Wind Parameters Mean winds (0-6000m): 261.5 at 25.8 knts Storm direction: 291.5 at 19.3 knts Shear (0-3000m) pos: 1.0 neg: 4.5 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 100.1 deg Storm rel helicity (0-3000m) pos: 49.1 neg: -3.8 tot: 45.3 m^2/s^2 ave: 15.1 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 2.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.49 Bulk Shear: 61.33 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 ------------------------------------------------------------------------------- 500 283 5 114 15| 3.6 0.0 3.6| 0.5 -1.5 -1.0 -2.0 -0.08| 3.6 -0.3 1000 283 7 116 13| 1.8 3.4 5.2| 8.3 -2.5 5.8 5.8 0.25| 5.4 1.4 1500 274 10 129 10| 1.2 5.0 6.2| 22.5 -2.5 20.0 13.4 0.54| 6.5 3.5 2000 261 14 154 10| 0.9 5.9 6.8| 30.8 -2.5 28.3 14.1 0.45| 7.4 3.3 2500 254 17 171 12| 0.7 5.4 6.1| 37.8 -3.8 34.0 13.6 0.40| 7.1 2.8 3000 253 19 181 13| 1.0 4.5 5.5| 49.1 -3.8 45.3 15.1 0.43| 6.3 2.7 4000 254 22 195 14| 1.3 3.4 4.7| 69.7 -3.8 65.9 16.5 0.48| 5.4 2.6 5000 258 24 205 13| 1.6 2.7 4.3| 88.0 -3.8 84.2 16.8 0.52| 4.9 2.5 6000 261 26 215 13| 1.7 2.3 4.0|106.3 -3.8 102.5 17.1 0.56| 4.5 2.5 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251022.06.gif