UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121118.upa.cvt Date: 1800Z 11 DEC 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1800Z 11 DEC 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 197 SFC 935 757 6.4 4.9 90 1.5 5.6 100 9 285.0 286.0 281.8 301.2 5.81 2 925 843 5.6 4.7 94 0.9 5.1 95 9 285.0 286.0 281.8 301.2 5.79 3 850 1531 3.8 1.5 85 2.3 2.7 100 11 290.1 291.0 283.2 304.5 5.02 4 700 3092 -1.3 -40.3 3 39.0 -8.5 110 11 301.0 301.1 282.0 301.6 0.16 5 500 5690 -18.3 -47.3 6 29.0 -21.6 285 3 310.7 310.7 285.7 311.1 0.11 6 400 7320 -29.9 -49.9 13 20.0 -31.4 290 13 316.1 316.1 287.6 316.5 0.10 7 300 9290 -46.7 -51.2 60 4.5 -46.9 285 38 319.5 319.6 288.7 320.0 0.11 8 250 10480 -56.1 -60.8 55 4.7 -56.2 290 50 322.7 322.7 289.6 322.8 0.04 9 227 11088 -60.5 -65.5 52 5.0 -60.6 300 38 325.0 325.0 290.3 325.1 0.03 10 200 11880 -59.1 -76.1 9 17.0 -59.3 300 36 339.2 339.2 294.1 339.2 0.01 11 150 13690 -56.9 -83.9 2 27.0 -57.2 280 25 372.0 372.0 300.9 372.1 0.00 12 100 16230 -61.9 -86.9 2 25.0 -62.1 230 11 408.1 408.1 306.3 408.1 0.00 TRP 227 11088 -60.5 -65.5 52 5.0 -60.6 300 38 325.0 325.0 290.3 325.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5493.00 m Freezing level: 738.24 mb = 2694.10 m = 8838.80 ft Wetbulb zero: 814.00 mb = 1878.92 m = 6164.34 ft Precipitable water: 0.36 inches Sfc-500 mean rel hum: 29.83 % Est. max temperature: 15.81 C = 60.45 F Sfc-Lift cond lev (LCL): 913.70 mb = 942.98 m = 3093.73 ft T: 5.34 C 700-500 lapse rate: 6.54 C/km ThetaE index: 2.93 C Layer 700.0- 500.0 mb Conv cond level (CCL): 748.05 mb = 2558.27 m = 8393.17 ft Mean mixing ratio: 5.29 g/kg Conv temperature: 18.47 C = 65.24 F Cap Strength: 6.53 C Lifted Index: 8.69 C Risk: None Lifted Index @300 mb: 11.96 C Lifted Index @700 mb: 6.53 C Showalter Index: 7.55 C Risk: None Total Totals Index: 41.90 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 19.80 C K Index: -15.40 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 1.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.75 J/kg Max Up Vert Vel: 6.29 m/s Conv Inhibition (B-): 11195.82 J/kg Cap Strength: 8.52 C Lift Cond Lev (LCL): 858.24 mb = 1452.47 m = 4765.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 135 at 6 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 ---------------------------------------------------------- 0 935 757 100 9 -8.9 1.6 | 58 5 -4.5 -2.8 1 925 843 95 9 -9.0 0.8 | 52 6 -4.6 -3.6 2 850 1531 100 11 -10.8 1.9 | 69 7 -6.5 -2.5 3 700 3092 110 11 -10.3 3.8 | 84 6 -6.0 -0.6 4 500 5690 285 3 2.9 -0.8 | 305 9 7.3 -5.2 5 400 7320 290 13 12.2 -4.4 | 298 19 16.6 -8.8 6 300 9290 285 38 36.7 -9.8 | 289 43 41.1 -14.2 7 250 10480 290 50 47.0 -17.1 | 293 56 51.3 -21.5 8 227 11088 300 38 32.9 -19.0 | 302 44 37.3 -23.4 9 200 11880 300 36 31.2 -18.0 | 302 42 35.5 -22.4 10 150 13690 280 25 24.6 -4.3 | 287 30 29.0 -8.7 11 100 16230 230 11 8.4 7.1 | 258 13 12.8 2.7 Wind Parameters Mean winds (0-6000m): 105.1 at 8.2 knts Storm direction: 135.1 at 6.2 knts Shear (0-3000m) pos: 1.6 neg: 0.2 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 130.4 deg Storm rel helicity (0-3000m) pos: 14.0 neg: -0.8 tot: 13.2 m^2/s^2 ave: 4.4 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 2.2 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 46.35 Bulk Shear: 0.43 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 97 9 57 6| 0.0 1.3 1.3| 1.8 -0.8 1.0 2.0 0.28| 2.1 0.6 1000 98 10 63 6| 0.5 0.6 1.2| 3.5 -0.8 2.8 2.8 0.49| 1.6 0.8 1500 100 10 66 6| 0.5 0.4 0.9| 4.5 -0.8 3.7 2.5 0.55| 1.3 0.7 2000 102 11 69 6| 0.5 0.3 0.8| 5.4 -0.8 4.6 2.3 0.60| 1.1 0.7 2500 104 11 72 6| 0.9 0.3 1.1| 8.4 -0.8 7.6 3.0 0.68| 1.4 1.0 3000 108 10 78 6| 1.6 0.2 1.8| 14.0 -0.8 13.2 4.4 0.81| 2.2 1.8 4000 112 10 82 5| 1.8 0.2 2.0| 26.7 -0.8 25.9 6.5 0.83| 2.8 2.4 5000 106 9 62 4| 1.4 0.1 1.5| 39.4 -0.8 38.6 7.7 0.85| 2.9 2.4 6000 105 8 58 4| 1.7 0.1 1.8| 39.4 -4.4 35.0 5.8 0.66| 2.9 1.9 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251211.18.gif