UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 1 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 167 SFC 931 757 2.2 0.9 91 1.3 1.6 90 7 281.0 281.8 278.2 293.2 4.38 2 925 802 1.6 0.6 93 1.0 1.1 75 5 280.9 281.7 278.1 292.9 4.32 3 850 1479 -1.3 -3.9 82 2.6 -2.3 100 7 284.8 285.4 278.8 294.4 3.37 4 700 3017 -5.7 -12.7 58 7.0 -8.0 180 5 296.2 296.5 282.4 302.5 2.05 5 500 5570 -24.3 -35.3 35 11.0 -25.8 245 23 303.4 303.5 283.3 304.7 0.38 6 400 7170 -33.7 -57.7 7 24.0 -34.9 35 31 311.2 311.2 285.8 311.3 0.04 7 300 9120 -48.7 -59.7 27 11.0 -49.0 20 54 316.7 316.7 287.7 316.9 0.04 8 250 10290 -56.1 -68.1 21 12.0 -56.2 10 48 322.7 322.7 289.6 322.7 0.02 9 200 11690 -61.9 -73.9 19 12.0 -62.0 20 23 334.7 334.7 293.0 334.8 0.01 10 190 12008 -63.3 -76.3 16 13.0 -63.4 355 21 337.4 337.4 293.7 337.5 0.01 11 150 13480 -59.7 -83.7 3 24.0 -59.9 305 19 367.2 367.2 300.1 367.2 0.00 12 100 15990 -62.3 -86.3 3 24.0 -62.5 255 7 407.4 407.4 306.2 407.4 0.00 TRP 190 12008 -63.3 -76.3 16 13.0 -63.4 355 21 337.4 337.4 293.7 337.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5403.00 m Freezing level: 883.62 mb = 1175.52 m = 3856.64 ft Wetbulb zero: 900.42 mb = 1017.65 m = 3338.69 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 60.00 % Est. max temperature: 10.69 C = 51.24 F Sfc-Lift cond lev (LCL): 912.31 mb = 912.57 m = 2993.95 ft T: 1.13 C 700-500 lapse rate: 7.29 C/km ThetaE index: 0.28 C Layer 925.0- 850.0 mb Conv cond level (CCL): 750.98 mb = 2460.17 m = 8071.31 ft Mean mixing ratio: 3.76 g/kg Conv temperature: 12.94 C = 55.30 F Cap Strength: 7.41 C Lifted Index: 9.02 C Risk: None Lifted Index @300 mb: 16.26 C Lifted Index @700 mb: 7.41 C Showalter Index: 8.67 C Risk: None Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 20.40 C K Index: 12.10 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 2.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.33 J/kg Max Up Vert Vel: 5.54 m/s Conv Inhibition (B-): 13416.17 J/kg Cap Strength: 8.98 C Lift Cond Lev (LCL): 853.85 mb = 1442.85 m = 4733.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 280 at 10 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 ---------------------------------------------------------- 0 931 757 90 7 -7.0 0.0 | 96 17 -17.0 1.7 1 925 802 75 5 -4.8 -1.3 | 92 15 -14.8 0.4 2 850 1479 100 7 -6.9 1.2 | 100 17 -16.9 2.9 3 700 3017 180 5 0.0 5.0 | 124 12 -10.0 6.7 4 500 5570 245 23 20.8 9.7 | 223 16 10.8 11.4 5 400 7170 35 31 -17.8 -25.4 | 50 37 -27.8 -23.7 6 300 9120 20 54 -18.5 -50.7 | 30 57 -28.5 -49.0 7 250 10290 10 48 -8.3 -47.3 | 22 49 -18.3 -45.6 8 200 11690 20 23 -7.9 -21.6 | 42 27 -17.9 -19.9 9 190 12008 355 21 1.8 -20.9 | 23 21 -8.2 -19.2 10 150 13480 305 19 15.6 -10.9 | 329 11 5.6 -9.2 11 100 15990 255 7 6.8 1.8 | 137 5 -3.3 3.5 Wind Parameters Mean winds (0-6000m): 249.6 at 13.5 knts Storm direction: 279.6 at 10.2 knts Shear (0-3000m) pos: 2.4 neg: 0.0 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 53.7 deg Storm rel helicity (0-3000m) pos: 55.0 neg: -4.3 tot: 50.7 m^2/s^2 ave: 16.9 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.32 Bulk Shear: 48.34 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 84 6 94 16| 0.7 0.0 0.7| 5.3 -4.3 0.9 1.9 0.06| 4.3 0.2 1000 94 6 98 16| 1.5 0.0 1.5| 16.9 -4.3 12.6 12.6 0.40| 3.6 1.5 1500 104 6 101 16| 1.9 0.0 1.9| 27.7 -4.3 23.3 15.6 0.54| 3.4 1.8 2000 113 6 105 16| 2.0 0.0 2.0| 34.2 -4.3 29.9 14.9 0.56| 3.3 1.8 2500 122 6 108 16| 2.1 0.0 2.1| 41.6 -4.3 37.3 14.9 0.60| 3.2 1.9 3000 139 6 115 16| 2.4 0.0 2.4| 55.0 -4.3 50.7 16.9 0.68| 3.4 2.3 4000 182 8 136 14| 2.9 0.0 2.9| 88.7 -4.3 84.4 21.1 0.78| 3.7 2.9 5000 221 11 164 10| 3.2 0.0 3.2|152.8 -4.3 148.5 29.7 0.86| 4.7 4.0 6000 250 14 203 7| 2.6 0.0 2.6|360.3 -4.3 356.0 59.3 0.89| 7.6 6.8 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251201.12.gif