UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101306.upa.cvt Date: 0600Z 13 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 13 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 218 SFC 938 757 6.8 6.4 97 0.4 6.6 60 3 285.1 286.2 282.6 303.1 6.43 2 925 865 6.0 6.0 100 0.0 6.0 80 5 285.4 286.5 282.7 303.2 6.34 3 850 1556 7.2 4.9 85 2.3 6.0 70 15 293.7 294.8 286.1 312.2 6.40 4 700 3136 0.0 -4.7 71 4.7 -2.1 40 7 302.5 303.2 286.8 314.3 3.85 5 500 5740 -17.9 -20.4 81 2.5 -18.6 315 9 311.2 311.5 287.5 316.2 1.51 6 400 7380 -27.9 -38.9 34 11.0 -29.2 25 21 318.7 318.8 288.7 319.9 0.33 7 300 9380 -43.7 -56.7 22 13.0 -44.2 15 19 323.8 323.8 290.0 324.0 0.06 8 250 10580 -53.1 -62.1 33 9.0 -53.3 350 19 327.1 327.1 290.9 327.3 0.04 9 201 11959 -60.9 -69.9 30 9.0 -61.0 345 23 335.8 335.8 293.3 335.9 0.02 10 200 11990 -60.9 -69.9 30 9.0 -61.0 345 23 336.3 336.3 293.4 336.4 0.02 11 150 13770 -61.1 -82.1 5 21.0 -61.3 330 17 364.8 364.8 299.6 364.8 0.00 12 100 16270 -63.3 -85.3 4 22.0 -63.5 300 15 405.4 405.4 305.9 405.4 0.00 TRP 201 11959 -60.9 -69.9 30 9.0 -61.0 345 23 335.8 335.8 293.3 335.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5522.00 m Freezing level: 700.00 mb = 3136.00 m = 10288.59 ft Wetbulb zero: 738.90 mb = 2695.84 m = 8844.51 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 79.16 % Est. max temperature: 18.57 C = 65.43 F Sfc-Lift cond lev (LCL): 932.27 mb = 804.45 m = 2639.24 ft T: 6.45 C 700-500 lapse rate: 6.87 C/km ThetaE index: 0.00 C Layer 938.0- 0.0 mb Conv cond level (CCL): 925.81 mb = 858.21 m = 2815.60 ft Mean mixing ratio: 6.36 g/kg Conv temperature: 7.09 C = 44.77 F Cap Strength: 5.25 C Lifted Index: 5.87 C Risk: None Lifted Index @300 mb: 11.59 C Lifted Index @700 mb: 5.25 C Showalter Index: 3.06 C Risk: None Total Totals Index: 47.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 22.80 C K Index: 25.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 97.80 Risk: None Energy Index: 0.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.53 J/kg Max Up Vert Vel: 8.55 m/s Conv Inhibition (B-): 10763.06 J/kg Cap Strength: 5.88 C Lift Cond Lev (LCL): 870.13 mb = 1364.74 m = 4477.43 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 52 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 ---------------------------------------------------------- 0 938 757 60 3 -2.6 -1.5 | 226 4 3.1 3.0 1 925 865 80 5 -4.9 -0.9 | 192 4 0.8 3.7 2 850 1556 70 15 -14.1 -5.1 | 86 8 -8.4 -0.6 3 700 3136 40 7 -4.5 -5.4 | 304 1 1.2 -0.8 4 500 5740 315 9 6.4 -6.4 | 279 12 12.1 -1.8 5 400 7380 25 21 -8.9 -19.0 | 12 15 -3.1 -14.5 6 300 9380 15 19 -4.9 -18.4 | 357 14 0.8 -13.8 7 250 10580 350 19 3.3 -18.7 | 328 17 9.0 -14.2 8 201 11959 345 23 6.0 -22.2 | 327 21 11.7 -17.7 9 200 11990 345 23 6.0 -22.2 | 327 21 11.7 -17.7 10 150 13770 330 17 8.5 -14.7 | 306 18 14.2 -10.2 11 100 16270 300 15 13.0 -7.5 | 279 19 18.7 -3.0 Wind Parameters Mean winds (0-6000m): 21.7 at 9.7 knts Storm direction: 51.7 at 7.3 knts Shear (0-3000m) pos: 1.3 neg: 1.5 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 82.1 deg Storm rel helicity (0-3000m) pos: 0.1 neg: -17.5 tot: -17.4 m^2/s^2 ave: -5.8 10^-3 m/s^2 rel: -0.64 Storm rel vorticity (0-3000m) horiz: 4.3 stream: -2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.35 Bulk Shear: 8.41 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 76 7 160 3| 8.0 0.0 8.0| 0.0 -7.3 -7.3 -14.6 -0.93| 8.4 -7.8 1000 71 10 108 4| 4.0 1.9 5.9| 0.0 -13.2 -13.2 -13.2 -0.78| 7.2 -5.6 1500 68 11 95 4| 2.7 1.2 3.9| 0.0 -15.4 -15.4 -10.3 -0.72| 5.9 -4.3 2000 65 11 90 4| 2.0 1.3 3.3| 0.0 -16.7 -16.7 -8.4 -0.70| 5.2 -3.6 2500 63 10 89 3| 1.6 1.4 3.0| 0.0 -17.4 -17.4 -7.0 -0.70| 4.7 -3.3 3000 59 10 80 3| 1.3 1.5 2.8| 0.1 -17.5 -17.4 -5.8 -0.64| 4.3 -2.8 4000 48 9 36 2| 1.0 1.7 2.7| 0.1 -20.1 -20.0 -5.0 -0.59| 3.8 -2.3 5000 35 9 351 3| 0.8 1.8 2.6| 0.1 -27.7 -27.6 -5.5 -0.59| 3.5 -2.1 6000 22 10 335 5| 1.5 1.5 3.0| 41.0 -27.7 13.3 2.2 -0.18| 4.0 -0.7 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251013.06.gif