UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120118.upa.cvt Date: 1800Z 1 DEC 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1800Z 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 155 SFC 930 757 2.4 0.9 90 1.5 1.7 90 5 281.3 282.1 278.4 293.5 4.39 2 925 792 1.4 0.7 95 0.7 1.1 90 3 280.7 281.5 278.0 292.8 4.35 3 850 1468 -2.7 -2.7 100 0.0 -2.7 155 3 283.3 284.0 278.5 293.7 3.68 4 700 3018 -4.1 -15.1 42 11.0 -7.7 225 7 297.9 298.3 282.7 303.2 1.69 5 500 5580 -19.9 -48.9 6 29.0 -22.9 30 21 308.8 308.8 285.0 309.1 0.09 6 400 7200 -32.3 -49.3 17 17.0 -33.5 25 33 313.0 313.0 286.5 313.4 0.11 7 300 9160 -48.1 -59.1 27 11.0 -48.4 30 58 317.6 317.6 288.0 317.7 0.04 8 295 9270 -49.1 -59.7 28 10.6 -49.3 30 60 317.7 317.7 288.1 317.9 0.04 9 250 10330 -58.5 -65.5 40 7.0 -58.6 25 44 319.1 319.1 288.5 319.2 0.02 10 200 11720 -61.3 -73.3 19 12.0 -61.4 15 15 335.7 335.7 293.3 335.7 0.01 11 182 12300 -64.7 -76.7 18 12.0 -64.8 340 29 339.3 339.3 294.1 339.4 0.01 12 150 13490 -61.1 -84.1 3 23.0 -61.3 5 15 364.8 364.8 299.6 364.8 0.00 13 100 16000 -61.9 -85.9 3 24.0 -62.1 290 11 408.1 408.1 306.3 408.1 0.00 TRP 182 12300 -64.7 -76.7 18 12.0 -64.8 340 29 339.3 339.3 294.1 339.4 0.01 WND 295 9270 -49.1 -59.7 28 10.6 -49.3 30 60 317.7 317.7 288.1 317.9 0.04 Sounding variables and indices 1000-500 mb thick: 5425.00 m Freezing level: 899.39 mb = 1022.83 m = 3355.70 ft Wetbulb zero: 903.68 mb = 978.45 m = 3210.09 ft Precipitable water: 0.37 inches Sfc-500 mean rel hum: 49.25 % Est. max temperature: 10.60 C = 51.08 F Sfc-Lift cond lev (LCL): 908.53 mb = 935.62 m = 3069.59 ft T: 0.53 C 700-500 lapse rate: 6.17 C/km ThetaE index: 0.72 C Layer 925.0- 850.0 mb Conv cond level (CCL): 871.09 mb = 1272.03 m = 4173.27 ft Mean mixing ratio: 3.93 g/kg Conv temperature: 3.62 C = 38.51 F Cap Strength: 9.24 C Lifted Index: 13.77 C Risk: None Lifted Index @300 mb: 17.15 C Lifted Index @700 mb: 9.24 C Showalter Index: 13.54 C Risk: None Total Totals Index: 34.40 C Risk: None Vertical Totals Index: 17.20 C Cross Totals Index: 17.20 C K Index: 3.50 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 3.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.87 J/kg Max Up Vert Vel: 5.45 m/s Conv Inhibition (B-): 14042.41 J/kg Cap Strength: 13.68 C Lift Cond Lev (LCL): 872.75 mb = 1256.87 m = 4123.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 58 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 ---------------------------------------------------------- 0 930 757 90 5 -5.0 0.0 | 212 6 3.2 5.0 1 925 792 90 3 -3.0 0.0 | 226 7 5.2 5.0 2 850 1468 155 3 -1.3 2.7 | 222 10 6.9 7.7 3 700 3018 225 7 4.9 4.9 | 233 16 13.1 10.0 4 500 5580 30 21 -10.5 -18.2 | 10 13 -2.3 -13.2 5 400 7200 25 33 -13.9 -29.9 | 13 26 -5.8 -24.9 6 300 9160 30 58 -29.0 -50.2 | 25 50 -20.8 -45.2 7 295 9270 30 60 -30.0 -52.0 | 25 52 -21.8 -46.9 8 250 10330 25 44 -18.6 -39.9 | 17 36 -10.4 -34.9 9 200 11720 15 15 -3.9 -14.5 | 336 10 4.3 -9.5 10 182 12300 340 29 9.9 -27.3 | 321 29 18.1 -22.2 11 150 13490 5 15 -1.3 -14.9 | 325 12 6.9 -9.9 12 100 16000 290 11 10.3 -3.8 | 266 19 18.5 1.3 Wind Parameters Mean winds (0-6000m): 28.4 at 12.8 knts Storm direction: 58.4 at 9.6 knts Shear (0-3000m) pos: 2.7 neg: 0.0 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 44.6 deg Storm rel helicity (0-3000m) pos: 53.7 neg: -1.8 tot: 51.9 m^2/s^2 ave: 17.3 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.70 Bulk Shear: 21.30 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 ------------------------------------------------------------------------------- 500 110 3 221 8| 3.7 0.0 3.7| 2.4 -1.1 1.3 2.6 0.21| 4.2 0.9 1000 133 3 219 9| 2.9 0.0 2.9| 3.0 -1.8 1.3 1.3 0.14| 3.2 0.4 1500 155 4 219 11| 2.6 0.0 2.6| 4.5 -1.8 2.8 1.8 0.16| 2.9 0.4 2000 178 4 221 12| 2.6 0.0 2.6| 10.6 -1.8 8.8 4.4 0.26| 2.8 0.7 2500 198 5 225 13| 2.7 0.0 2.7| 24.7 -1.8 22.9 9.2 0.41| 3.1 1.2 3000 219 5 231 15| 2.7 0.0 2.7| 53.7 -1.8 51.9 17.3 0.56| 3.6 2.0 4000 280 8 257 16| 2.4 0.0 2.4|136.3 -1.8 134.5 33.6 0.75| 4.8 3.6 5000 30 10 319 5| 2.1 0.0 2.1|207.5 -1.8 205.7 41.1 0.81| 5.8 4.7 6000 28 13 341 7| 1.7 0.6 2.4|210.3 -1.8 208.6 34.8 0.72| 5.5 4.0 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251201.18.gif