UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100718.upa.cvt Date: 1800Z 7 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1800Z 7 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 214 SFC 938 757 11.6 8.5 81 3.1 9.9 30 3 290.0 291.3 285.7 311.1 7.44 2 925 870 10.6 7.1 79 3.5 8.7 360 5 290.1 291.4 285.2 309.6 6.85 3 850 1569 5.4 4.7 95 0.7 5.1 260 9 291.8 292.9 285.3 309.9 6.31 4 700 3143 0.0 -2.2 85 2.2 -1.0 15 21 302.5 303.3 287.6 316.6 4.65 5 500 5780 -11.3 -20.3 47 9.0 -14.0 10 40 319.3 319.6 290.1 324.4 1.52 6 400 7450 -24.1 -34.1 39 10.0 -25.8 355 44 323.7 323.8 290.5 325.6 0.53 7 300 9470 -41.5 -47.5 52 6.0 -41.9 355 56 326.9 326.9 291.0 327.5 0.17 8 250 10690 -50.7 -57.7 43 7.0 -50.9 360 64 330.7 330.7 292.0 330.9 0.06 9 231 11199 -54.1 -60.6 44 6.6 -54.2 350 68 333.2 333.2 292.6 333.3 0.05 10 209 11833 -58.3 -64.3 46 6.0 -58.4 345 64 336.2 336.2 293.4 336.3 0.03 11 200 12110 -56.7 -69.7 18 13.0 -56.9 340 56 343.0 343.0 295.0 343.0 0.02 12 150 13930 -60.3 -80.3 6 20.0 -60.5 340 42 366.2 366.2 299.9 366.2 0.00 13 100 16430 -64.1 -85.1 4 21.0 -64.3 350 31 403.9 403.9 305.7 403.9 0.00 TRP 209 11833 -58.3 -64.3 46 6.0 -58.4 345 64 336.2 336.2 293.4 336.3 0.03 WND 231 11199 -54.1 -60.6 44 6.6 -54.2 350 68 333.2 333.2 292.6 333.3 0.05 Sounding variables and indices 1000-500 mb thick: 5566.00 m Freezing level: 700.00 mb = 3143.00 m = 10311.55 ft Wetbulb zero: 725.47 mb = 2853.21 m = 9360.81 ft Precipitable water: 0.87 inches Sfc-500 mean rel hum: 76.72 % Est. max temperature: 17.42 C = 63.35 F Sfc-Lift cond lev (LCL): 895.08 mb = 1141.85 m = 3746.20 ft T: 8.58 C 700-500 lapse rate: 4.29 C/km ThetaE index: 1.47 C Layer 925.0- 850.0 mb Conv cond level (CCL): 847.07 mb = 1596.99 m = 5239.41 ft Mean mixing ratio: 6.61 g/kg Conv temperature: 13.54 C = 56.37 F Cap Strength: 4.14 C Lifted Index: 11.06 C Risk: None Lifted Index @300 mb: 12.27 C Lifted Index @700 mb: 4.14 C Showalter Index: 11.06 C Risk: None Total Totals Index: 32.70 C Risk: None Vertical Totals Index: 16.70 C Cross Totals Index: 16.00 C K Index: 19.20 Risk: < 20 % chance of thunderstorms Sweat Index: 114.40 Risk: None Energy Index: 2.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.71 J/kg Max Up Vert Vel: 3.66 m/s Conv Inhibition (B-): 10081.19 J/kg Cap Strength: 10.62 C Lift Cond Lev (LCL): 859.17 mb = 1480.27 m = 4856.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 36 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 ---------------------------------------------------------- 0 938 757 30 3 -1.5 -2.6 | 217 16 9.6 12.6 1 925 870 360 5 -0.0 -5.0 | 228 15 11.1 10.2 2 850 1569 260 9 8.9 1.6 | 230 26 20.0 16.8 3 700 3143 15 21 -5.4 -20.3 | 312 8 5.7 -5.1 4 500 5780 10 40 -6.9 -39.4 | 350 25 4.2 -24.2 5 400 7450 355 44 3.8 -43.8 | 332 32 15.0 -28.6 6 300 9470 355 56 4.9 -55.8 | 338 44 16.0 -40.6 7 250 10690 360 64 -0.0 -64.0 | 347 50 11.1 -48.8 8 231 11199 350 68 11.8 -67.0 | 336 57 23.0 -51.8 9 209 11833 345 64 16.6 -61.8 | 329 54 27.7 -46.6 10 200 12110 340 56 19.2 -52.6 | 321 48 30.3 -37.4 11 150 13930 340 42 14.4 -39.5 | 314 35 25.5 -24.3 12 100 16430 350 31 5.4 -30.5 | 313 23 16.5 -15.3 Wind Parameters Mean winds (0-6000m): 6.2 at 25.1 knts Storm direction: 36.2 at 18.9 knts Shear (0-3000m) pos: 4.4 neg: 2.0 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 114.5 deg Storm rel helicity (0-3000m) pos: 161.3 neg: -17.0 tot: 144.3 m^2/s^2 ave: 48.1 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 5.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.12 Bulk Shear: 56.08 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 ------------------------------------------------------------------------------- 500 334 6 233 17| 0.0 7.8 7.8| 22.8 0.0 22.8 45.6 0.59| 9.4 5.6 1000 288 7 234 22| 0.0 6.2 6.2| 40.2 -17.0 23.2 23.2 0.29| 9.2 2.7 1500 294 9 239 23| 2.9 4.1 7.1| 93.0 -17.0 76.0 50.7 0.50| 9.2 4.6 2000 316 11 248 20| 4.6 3.1 7.7|134.6 -17.0 117.6 58.8 0.57| 9.7 5.5 2500 345 13 258 15| 5.3 2.5 7.8|155.2 -17.0 138.2 55.3 0.59| 10.0 5.9 3000 355 14 265 12| 4.4 2.0 6.4|161.3 -17.0 144.3 48.1 0.59| 8.9 5.3 4000 4 18 285 10| 3.3 1.8 5.1|172.5 -17.0 155.5 38.9 0.57| 7.6 4.4 5000 7 22 307 11| 2.7 2.0 4.7|181.7 -17.0 164.7 32.9 0.54| 6.9 3.7 6000 6 25 319 13| 2.2 2.2 4.4|181.7 -52.6 129.2 21.5 0.42| 6.3 2.6 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251007.18.gif