UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112618.upa.cvt Date: 1800Z 26 NOV 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1800Z 26 NOV 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 164 SFC 930 757 -0.5 -1.1 96 0.6 -0.7 20 9 278.4 279.0 276.0 288.8 3.79 2 925 795 -0.5 -1.0 96 0.5 -0.7 355 7 278.8 279.4 276.3 289.4 3.84 3 850 1466 -4.9 -4.9 100 0.0 -4.9 350 7 281.0 281.5 276.6 289.8 3.12 4 700 2966 -14.5 -16.9 82 2.4 -15.1 350 13 286.4 286.7 277.0 290.8 1.45 5 500 5420 -32.5 -36.5 67 4.0 -32.9 45 21 293.4 293.5 278.9 294.5 0.34 6 400 6960 -42.7 -53.7 29 11.0 -43.1 25 17 299.5 299.5 281.2 299.7 0.06 7 351 7830 -48.7 -58.7 30 10.0 -48.9 20 15 302.8 302.8 282.5 303.0 0.04 8 300 8860 -49.1 -70.1 7 21.0 -49.4 10 23 316.1 316.1 287.5 316.2 0.01 9 250 10050 -51.1 -74.1 5 23.0 -51.4 15 25 330.1 330.1 291.7 330.1 0.01 10 200 11500 -52.1 -80.1 2 28.0 -52.5 15 21 350.3 350.3 296.7 350.3 0.00 11 150 13350 -55.7 -82.7 2 27.0 -56.1 355 13 374.1 374.1 301.3 374.1 0.00 12 100 15900 -60.7 -86.7 2 26.0 -61.0 315 17 410.4 410.4 306.6 410.5 0.00 TRP 351 7830 -48.7 -58.7 30 10.0 -48.9 20 15 302.8 302.8 282.5 303.0 0.04 WND Sounding variables and indices 1000-500 mb thick: 5256.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.33 inches Sfc-500 mean rel hum: 83.17 % Est. max temperature: 4.47 C = 40.05 F Sfc-Lift cond lev (LCL): 921.25 mb = 827.21 m = 2713.92 ft T: -0.71 C 700-500 lapse rate: 7.33 C/km ThetaE index: 0.00 C Layer 930.0-26038240.0 mb Conv cond level (CCL): 874.32 mb = 1242.17 m = 4075.33 ft Mean mixing ratio: 3.39 g/kg Conv temperature: 1.37 C = 34.46 F Cap Strength: 1.36 C Lifted Index: 3.98 C Risk: None Lifted Index @300 mb: 18.85 C Lifted Index @700 mb: 1.36 C Showalter Index: 3.87 C Risk: None Total Totals Index: 55.20 C Risk: Severe Thunderstorms probable Vertical Totals Index: 27.60 C Cross Totals Index: 27.60 C K Index: 20.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 159.00 Risk: None Energy Index: 0.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.73 J/kg Max Up Vert Vel: 4.84 m/s Conv Inhibition (B-): 14066.12 J/kg Cap Strength: 3.91 C Lift Cond Lev (LCL): 875.91 mb = 1227.74 m = 4027.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 51 at 11 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 ---------------------------------------------------------- 0 930 757 20 9 -3.1 -8.5 | 285 6 5.5 -1.5 1 925 795 355 7 0.6 -7.0 | 270 9 9.2 -0.0 2 850 1466 350 7 1.2 -6.9 | 270 10 9.8 0.0 3 700 2966 350 13 2.3 -12.8 | 298 12 10.9 -5.9 4 500 5420 45 21 -14.8 -14.8 | 38 10 -6.2 -7.9 5 400 6960 25 17 -7.2 -15.4 | 350 9 1.4 -8.5 6 351 7830 20 15 -5.1 -14.1 | 334 8 3.5 -7.2 7 300 8860 10 23 -4.0 -22.7 | 344 16 4.6 -15.7 8 250 10050 15 25 -6.5 -24.1 | 353 17 2.1 -17.2 9 200 11500 15 21 -5.4 -20.3 | 347 14 3.2 -13.3 10 150 13350 355 13 1.1 -13.0 | 302 11 9.8 -6.0 11 100 15900 315 17 12.0 -12.0 | 284 21 20.6 -5.1 Wind Parameters Mean winds (0-6000m): 21.1 at 14.8 knts Storm direction: 51.1 at 11.1 knts Shear (0-3000m) pos: 0.9 neg: 1.1 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 37.2 deg Storm rel helicity (0-3000m) pos: 30.1 neg: -3.9 tot: 26.3 m^2/s^2 ave: 8.8 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 2.7 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.10 Bulk Shear: 10.66 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 ------------------------------------------------------------------------------- 500 355 7 271 9| 0.0 4.5 4.5| 0.0 -3.8 -3.8 -7.6 -0.46| 4.6 -2.1 1000 353 7 271 10| 0.0 2.3 2.3| 3.0 -3.9 -0.9 -0.9 -0.16| 3.0 -0.5 1500 352 8 275 10| 0.0 1.7 1.7| 8.1 -3.9 4.2 2.8 0.12| 2.7 0.3 2000 351 9 279 10| 0.0 1.6 1.6| 13.2 -3.9 9.4 4.7 0.27| 2.5 0.7 2500 351 10 284 10| 0.5 1.3 1.8| 20.8 -3.9 16.9 6.8 0.41| 2.6 1.0 3000 354 10 289 10| 0.9 1.1 2.0| 30.1 -3.9 26.3 8.8 0.52| 2.7 1.4 4000 4 12 304 9| 1.6 0.8 2.4| 49.3 -3.9 45.4 11.4 0.67| 3.0 2.0 5000 17 14 324 8| 1.6 0.7 2.3| 62.9 -7.7 55.1 11.0 0.64| 3.1 2.0 6000 21 15 334 8| 1.4 1.0 2.3| 62.9 -19.3 43.5 7.3 0.41| 3.0 1.2 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251126.18.gif