UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100818.upa.cvt Date: 1800Z 8 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1800Z 8 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 157 SFC 933 757 15.4 10.4 72 5.0 12.4 70 5 294.3 295.9 288.3 318.8 8.51 2 925 823 14.2 9.9 75 4.3 11.6 70 3 293.8 295.3 288.0 317.7 8.30 3 850 1533 12.0 5.0 62 7.0 8.1 30 3 298.7 299.9 288.0 317.7 6.44 4 700 3132 2.0 -1.5 78 3.5 0.3 0 0 304.7 305.6 288.6 319.7 4.90 5 500 5760 -13.9 -17.7 73 3.8 -15.1 300 21 316.1 316.5 289.5 322.4 1.90 6 400 7420 -25.1 -42.1 19 17.0 -27.2 295 36 322.4 322.4 289.8 323.3 0.24 7 300 9440 -39.5 -52.5 24 13.0 -40.2 290 29 329.7 329.7 291.7 330.1 0.10 8 250 10670 -48.5 -55.5 44 7.0 -48.8 290 38 334.0 334.0 292.9 334.3 0.08 9 200 12100 -59.5 -64.5 52 5.0 -59.6 290 40 338.5 338.5 294.0 338.7 0.03 10 196 12225 -60.7 -65.5 53 4.8 -60.7 295 40 338.6 338.6 294.0 338.7 0.03 11 150 13890 -58.7 -80.7 4 22.0 -58.9 300 36 368.9 368.9 300.4 369.0 0.00 12 100 16410 -62.1 -85.1 3 23.0 -62.3 305 15 407.7 407.7 306.2 407.8 0.00 TRP 196 12225 -60.7 -65.5 53 4.8 -60.7 295 40 338.6 338.6 294.0 338.7 0.03 WND Sounding variables and indices 1000-500 mb thick: 5603.00 m Freezing level: 674.84 mb = 3462.57 m = 11359.99 ft Wetbulb zero: 696.31 mb = 3173.23 m = 10410.74 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 72.68 % Est. max temperature: 22.21 C = 71.98 F Sfc-Lift cond lev (LCL): 865.70 mb = 1379.35 m = 4525.38 ft T: 12.48 C 700-500 lapse rate: 6.05 C/km ThetaE index: 1.15 C Layer 925.0- 850.0 mb Conv cond level (CCL): 737.21 mb = 2705.49 m = 8876.17 ft Mean mixing ratio: 7.27 g/kg Conv temperature: 24.02 C = 75.24 F Cap Strength: 3.45 C Lifted Index: 3.72 C Risk: None Lifted Index @300 mb: 8.85 C Lifted Index @700 mb: 2.51 C Showalter Index: 3.78 C Risk: None Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 18.90 C K Index: 27.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 87.00 Risk: None Energy Index: 0.92 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.87 J/kg Max Up Vert Vel: 5.27 m/s Conv Inhibition (B-): 7668.12 J/kg Cap Strength: 3.57 C Lift Cond Lev (LCL): 809.05 mb = 1939.69 m = 6363.72 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 334 at 7 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 ---------------------------------------------------------- 0 933 757 70 5 -4.7 -1.7 | 122 9 -8.0 4.9 1 925 823 70 3 -2.8 -1.0 | 133 8 -6.1 5.6 2 850 1533 30 3 -1.5 -2.6 | 130 6 -4.8 4.0 3 700 3132 0 0 -0.0 -0.0 | 154 7 -3.3 6.6 4 500 5760 300 21 18.2 -10.5 | 285 15 14.9 -3.9 5 400 7420 295 36 32.6 -15.2 | 286 31 29.4 -8.6 6 300 9440 290 29 27.3 -9.9 | 278 24 24.0 -3.3 7 250 10670 290 38 35.7 -13.0 | 281 33 32.5 -6.4 8 200 12100 290 40 37.6 -13.7 | 282 35 34.3 -7.1 9 196 12225 295 40 36.3 -16.9 | 287 35 33.0 -10.3 10 150 13890 300 36 31.2 -18.0 | 292 30 27.9 -11.4 11 100 16410 305 15 12.3 -8.6 | 282 9 9.0 -2.0 Wind Parameters Mean winds (0-6000m): 303.8 at 9.8 knts Storm direction: 333.8 at 7.4 knts Shear (0-3000m) pos: 0.0 neg: 1.1 tot: 1.1 10-3/s Storm rel Dir Shear (0-3000m): 9.5 deg Storm rel helicity (0-3000m) pos: 8.1 neg: -3.1 tot: 5.0 m^2/s^2 ave: 1.7 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 2.0 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.79 Bulk Shear: 17.66 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 60 3 130 8| 0.0 2.7 2.7| 3.7 -0.7 3.1 6.1 0.41| 3.3 1.3 1000 48 3 130 7| 0.0 1.9 1.9| 4.5 -0.7 3.9 3.9 0.40| 2.3 0.9 1500 41 3 132 7| 0.0 1.5 1.5| 6.1 -0.7 5.5 3.6 0.51| 1.9 1.0 2000 39 2 135 7| 0.0 1.2 1.2| 7.5 -0.7 6.8 3.4 0.56| 1.6 0.9 2500 40 2 139 7| 0.0 1.0 1.0| 8.1 -1.3 6.8 2.7 0.45| 1.6 0.7 3000 28 2 138 6| 0.0 1.1 1.1| 8.1 -3.1 5.0 1.7 0.17| 2.0 0.4 4000 344 4 143 4| 0.0 2.0 2.0| 8.1 -5.4 2.7 0.7 -0.11| 2.7 -0.3 5000 309 7 217 3| 0.0 2.5 2.5| 8.1 -18.4 -10.3 -2.1 -0.22| 3.2 -0.7 6000 304 10 257 5| 0.0 2.9 2.9| 11.2 -18.4 -7.2 -1.2 -0.15| 3.5 -0.5 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251008.18.gif