UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121006.upa.cvt Date: 0600Z 10 DEC 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 10 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 162 SFC 933 757 3.0 -1.7 71 4.7 1.0 270 1 281.7 282.3 277.6 291.8 3.61 2 925 821 9.8 -2.2 43 12.0 4.4 255 7 289.3 289.9 281.1 299.5 3.51 3 850 1524 9.2 -6.8 32 16.0 2.4 265 23 295.8 296.3 283.0 303.9 2.70 4 700 3106 1.2 -13.8 32 15.0 -4.2 245 15 303.8 304.2 285.2 309.8 1.88 5 500 5730 -14.1 -40.1 9 26.0 -18.3 205 17 315.8 315.9 287.6 316.7 0.23 6 400 7380 -26.7 -56.7 4 30.0 -28.9 190 21 320.3 320.3 288.9 320.5 0.04 7 300 9380 -44.3 -59.3 17 15.0 -44.8 190 27 322.9 322.9 289.7 323.1 0.04 8 250 10570 -53.9 -58.9 54 5.0 -54.0 160 23 325.9 325.9 290.6 326.2 0.05 9 200 11970 -63.3 -74.3 21 11.0 -63.4 175 19 332.5 332.5 292.4 332.6 0.01 10 172 12892 -66.1 -77.1 20 11.0 -66.2 310 17 342.5 342.5 294.9 342.6 0.01 11 150 13730 -62.7 -83.7 4 21.0 -62.9 45 7 362.1 362.1 299.1 362.1 0.00 12 100 16230 -65.5 -86.5 4 21.0 -65.7 335 25 401.2 401.2 305.3 401.2 0.00 TRP 172 12892 -66.1 -77.1 20 11.0 -66.2 310 17 342.5 342.5 294.9 342.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5568.00 m Freezing level: 684.31 mb = 3311.80 m = 10865.37 ft Wetbulb zero: 795.13 mb = 2067.76 m = 6783.90 ft Precipitable water: 0.34 inches Sfc-500 mean rel hum: 26.67 % Est. max temperature: 20.16 C = 68.28 F Sfc-Lift cond lev (LCL): 867.45 mb = 1355.03 m = 4445.57 ft T: 9.34 C 700-500 lapse rate: 5.83 C/km ThetaE index: 0.00 C Layer 933.0- 0.0 mb Conv cond level (CCL): 533.20 mb = 5228.60 m = 17153.98 ft Mean mixing ratio: 3.06 g/kg Conv temperature: 34.29 C = 93.72 F Cap Strength: 9.65 C Lifted Index: 13.65 C Risk: None Lifted Index @300 mb: 15.15 C Lifted Index @700 mb: 9.65 C Showalter Index: 12.19 C Risk: None Total Totals Index: 30.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 7.30 C K Index: 1.50 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 2.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.35 J/kg Max Up Vert Vel: 6.22 m/s Conv Inhibition (B-): 12421.20 J/kg Cap Strength: 13.55 C Lift Cond Lev (LCL): 712.76 mb = 2958.78 m = 9707.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 263 at 13 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 ---------------------------------------------------------- 0 933 757 270 1 1.0 -0.0 | 82 12 -11.6 -1.6 1 925 821 255 7 6.8 1.8 | 93 6 -5.8 0.3 2 850 1524 265 23 22.9 2.0 | 268 10 10.3 0.4 3 700 3106 245 15 13.6 6.3 | 192 5 1.0 4.8 4 500 5730 205 17 7.2 15.4 | 159 15 -5.4 13.9 5 400 7380 190 21 3.6 20.7 | 155 21 -8.9 19.1 6 300 9380 190 27 4.7 26.6 | 162 26 -7.9 25.0 7 250 10570 160 23 -7.9 21.6 | 134 29 -20.5 20.1 8 200 11970 175 19 -1.7 18.9 | 141 22 -14.2 17.4 9 172 12892 310 17 13.0 -10.9 | 358 12 0.4 -12.5 10 150 13730 45 7 -4.9 -4.9 | 70 19 -17.5 -6.5 11 100 16230 335 25 10.6 -22.7 | 5 24 -2.0 -24.2 Wind Parameters Mean winds (0-6000m): 233.0 at 16.9 knts Storm direction: 263.0 at 12.7 knts Shear (0-3000m) pos: 0.8 neg: 1.9 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 98.5 deg Storm rel helicity (0-3000m) pos: 7.9 neg: -17.0 tot: -9.0 m^2/s^2 ave: -3.0 10^-3 m/s^2 rel: -0.03 Storm rel vorticity (0-3000m) horiz: 6.1 stream: -0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.95 Bulk Shear: 9.92 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 ------------------------------------------------------------------------------- 500 259 11 103 2| 0.0 16.4 16.4| 5.8 0.0 5.8 11.6 0.45| 17.0 7.6 1000 263 16 262 3| 2.5 8.2 10.7| 7.9 -2.5 5.4 5.4 0.32| 12.4 3.9 1500 262 17 258 5| 1.7 4.6 6.3| 7.9 -7.9 0.1 0.1 0.19| 9.4 1.7 2000 260 18 251 5| 1.3 2.9 4.1| 7.9 -12.3 -4.4 -2.2 0.07| 7.9 0.6 2500 258 17 244 5| 1.0 2.0 3.1| 7.9 -15.5 -7.6 -3.0 -0.00| 6.9 -0.0 3000 255 17 234 5| 0.8 1.9 2.7| 7.9 -17.0 -9.0 -3.0 -0.03| 6.1 -0.2 4000 248 17 213 5| 0.6 1.7 2.3| 7.9 -21.7 -13.8 -3.5 -0.07| 5.1 -0.4 5000 241 17 196 7| 0.5 1.6 2.1| 7.9 -29.6 -21.7 -4.3 -0.12| 4.5 -0.5 6000 233 17 186 9| 0.4 1.6 2.0| 7.9 -32.0 -24.1 -4.0 -0.12| 4.1 -0.5 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251210.06.gif