UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121906.upa.cvt Date: 0600Z 19 DEC 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 19 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 186 SFC 935 757 -1.7 -2.8 92 1.1 -2.1 240 5 276.7 277.3 274.5 285.9 3.32 2 925 837 6.4 -0.6 61 7.0 3.2 265 9 285.9 286.5 280.1 297.1 3.95 3 850 1533 7.0 -9.0 31 16.0 0.7 195 1 293.5 293.9 281.5 300.3 2.27 4 700 3096 -5.3 -12.3 58 7.0 -7.7 265 13 296.6 297.0 282.6 303.1 2.12 5 500 5670 -18.1 -44.1 8 26.0 -21.4 175 5 311.0 311.0 285.9 311.5 0.15 6 400 7300 -29.1 -47.1 16 18.0 -30.7 45 11 317.2 317.2 288.0 317.7 0.14 7 300 9290 -44.5 -61.5 13 17.0 -45.0 25 23 322.6 322.6 289.6 322.8 0.03 8 250 10480 -55.3 -64.3 32 9.0 -55.5 25 25 323.9 323.9 290.0 324.0 0.03 9 200 11880 -63.5 -75.5 18 12.0 -63.6 60 25 332.2 332.2 292.3 332.2 0.01 10 188 12256 -66.7 -74.7 32 8.0 -66.7 55 11 333.0 333.0 292.5 333.0 0.01 11 150 13630 -63.7 -83.7 5 20.0 -63.8 270 5 360.3 360.3 298.8 360.4 0.00 12 100 16120 -65.3 -87.3 3 22.0 -65.4 250 17 401.6 401.6 305.4 401.6 0.00 TRP 188 12256 -66.7 -74.7 32 8.0 -66.7 55 11 333.0 333.0 292.5 333.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5484.00 m Freezing level: Surface below freezing Freezing level: 932.90 mb = 773.79 m = 2538.65 ft Freezing level: 764.63 mb = 2422.51 m = 7947.78 ft Wetbulb zero: Below ground Precipitable water: 0.34 inches Sfc-500 mean rel hum: 39.05 % Est. max temperature: 16.07 C = 60.92 F Sfc-Lift cond lev (LCL): 918.87 mb = 891.76 m = 2925.70 ft T: 6.45 C 700-500 lapse rate: 4.97 C/km ThetaE index: 0.00 C Layer 935.0--2403244174546658090678512915595657216.0 mb Conv cond level (CCL): 633.01 mb = 3865.57 m = 12682.15 ft Mean mixing ratio: 3.03 g/kg Conv temperature: 22.03 C = 71.66 F Cap Strength: 5.68 C Lifted Index: 12.00 C Risk: None Lifted Index @300 mb: 17.30 C Lifted Index @700 mb: 5.11 C Showalter Index: 10.65 C Risk: None Total Totals Index: 34.20 C Risk: None Vertical Totals Index: 25.10 C Cross Totals Index: 9.10 C K Index: 9.10 Risk: None Sweat Index: 7.00 Risk: None Energy Index: 2.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.90 J/kg Max Up Vert Vel: 6.77 m/s Conv Inhibition (B-): 12216.66 J/kg Cap Strength: 11.78 C Lift Cond Lev (LCL): 744.85 mb = 2596.10 m = 8517.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 272 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 ---------------------------------------------------------- 0 935 757 240 5 4.3 2.5 | 153 3 -1.4 2.7 1 925 837 265 9 9.0 0.8 | 252 3 3.2 1.0 2 850 1533 195 1 0.3 1.0 | 102 6 -5.5 1.2 3 700 3096 265 13 13.0 1.1 | 259 7 7.2 1.4 4 500 5670 175 5 -0.4 5.0 | 130 8 -6.2 5.2 5 400 7300 45 11 -7.8 -7.8 | 61 15 -13.5 -7.5 6 300 9290 25 23 -9.7 -20.8 | 37 26 -15.5 -20.6 7 250 10480 25 25 -10.6 -22.7 | 36 28 -16.3 -22.4 8 200 11880 60 25 -21.7 -12.5 | 66 30 -27.4 -12.3 9 188 12256 55 11 -9.0 -6.3 | 68 16 -14.7 -6.1 10 150 13630 270 5 5.0 -0.0 | 108 1 -0.7 0.2 11 100 16120 250 17 16.0 5.8 | 239 12 10.2 6.1 Wind Parameters Mean winds (0-6000m): 242.4 at 7.7 knts Storm direction: 272.4 at 5.7 knts Shear (0-3000m) pos: 1.9 neg: 1.1 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 63.2 deg Storm rel helicity (0-3000m) pos: 22.2 neg: -17.9 tot: 4.3 m^2/s^2 ave: 1.4 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 65.15 Bulk Shear: 0.35 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 ------------------------------------------------------------------------------- 500 253 7 196 2| 0.0 1.6 1.6| 2.6 -5.3 -2.7 -5.4 -0.09| 12.0 -1.1 1000 254 5 136 2| 0.0 1.6 1.6| 4.9 -9.3 -4.5 -4.5 -0.16| 8.5 -1.3 1500 245 5 143 3| 1.4 1.1 2.5| 10.4 -9.3 1.1 0.7 0.08| 7.1 0.6 2000 250 6 165 2| 2.2 0.8 3.1| 17.0 -9.3 7.6 3.8 0.26| 6.7 1.7 2500 261 7 215 2| 2.3 0.7 2.9| 22.2 -11.0 11.3 4.5 0.30| 6.3 1.8 3000 258 8 224 2| 1.9 1.1 3.0| 22.2 -17.9 4.3 1.4 0.15| 5.9 0.9 4000 252 8 215 3| 1.4 1.6 3.1| 22.2 -29.9 -7.6 -1.9 -0.03| 5.3 -0.2 5000 250 8 209 3| 1.1 1.7 2.9| 22.2 -39.9 -17.7 -3.5 -0.13| 4.7 -0.6 6000 242 8 195 4| 1.0 2.1 3.1| 22.2 -67.9 -45.7 -7.6 -0.26| 4.9 -1.2 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251219.06.gif