UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121206.upa.cvt Date: 0600Z 12 DEC 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 12 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 196 SFC 935 757 3.4 3.0 97 0.4 3.2 220 1 281.9 282.8 279.6 296.0 5.08 2 925 840 2.8 2.8 100 0.0 2.8 115 1 282.2 283.0 279.7 296.2 5.06 3 850 1529 5.8 -2.2 56 8.0 2.2 255 21 292.2 292.9 282.8 303.4 3.82 4 700 3095 -1.9 -13.9 39 12.0 -6.0 140 5 300.4 300.7 283.9 306.2 1.86 5 500 5690 -18.5 -24.5 59 6.0 -19.8 220 5 310.5 310.7 286.8 314.0 1.05 6 400 7320 -29.5 -32.4 76 2.9 -29.9 280 19 316.6 316.8 288.3 318.9 0.63 7 300 9300 -46.1 -52.1 51 6.0 -46.3 280 21 320.4 320.4 289.0 320.8 0.10 8 250 10490 -56.1 -63.1 41 7.0 -56.2 290 27 322.7 322.7 289.6 322.8 0.03 9 210 11571 -64.5 -66.2 79 1.7 -64.5 290 21 326.0 326.0 290.6 326.1 0.02 10 200 11870 -61.3 -77.3 10 16.0 -61.4 295 17 335.7 335.7 293.2 335.7 0.01 11 150 13680 -58.7 -83.7 3 25.0 -58.9 280 17 368.9 368.9 300.4 369.0 0.00 12 100 16210 -62.1 -86.1 3 24.0 -62.3 330 21 407.7 407.7 306.2 407.8 0.00 TRP 210 11571 -64.5 -66.2 79 1.7 -64.5 290 21 326.0 326.0 290.6 326.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5494.00 m Freezing level: 737.01 mb = 2708.58 m = 8886.32 ft Wetbulb zero: 810.00 mb = 1917.82 m = 6292.00 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 53.60 % Est. max temperature: 16.79 C = 62.22 F Sfc-Lift cond lev (LCL): 929.17 mb = 805.27 m = 2641.91 ft T: 3.05 C 700-500 lapse rate: 6.40 C/km ThetaE index: 0.00 C Layer 935.0-26038240.0 mb Conv cond level (CCL): 678.91 mb = 3330.98 m = 10928.27 ft Mean mixing ratio: 4.39 g/kg Conv temperature: 22.45 C = 72.41 F Cap Strength: 7.46 C Lifted Index: 10.40 C Risk: None Lifted Index @300 mb: 14.47 C Lifted Index @700 mb: 7.46 C Showalter Index: 8.08 C Risk: None Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 24.30 C Cross Totals Index: 16.30 C K Index: 10.10 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 2.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.80 J/kg Max Up Vert Vel: 7.18 m/s Conv Inhibition (B-): 11989.51 J/kg Cap Strength: 10.19 C Lift Cond Lev (LCL): 827.75 mb = 1742.92 m = 5718.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 262 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 ---------------------------------------------------------- 0 935 757 220 1 0.6 0.8 | 89 6 -5.6 -0.1 1 925 840 115 1 -0.9 0.4 | 86 7 -7.2 -0.5 2 850 1529 255 21 20.3 5.4 | 252 15 14.0 4.5 3 700 3095 140 5 -3.2 3.8 | 107 10 -9.5 2.9 4 500 5690 220 5 3.2 3.8 | 134 4 -3.1 2.9 5 400 7320 280 19 18.7 -3.3 | 289 13 12.4 -4.2 6 300 9300 280 21 20.7 -3.6 | 288 15 14.4 -4.6 7 250 10490 290 27 25.4 -9.2 | 298 22 19.1 -10.1 8 210 11571 290 21 19.7 -7.2 | 301 16 13.4 -8.1 9 200 11870 295 17 15.4 -7.2 | 312 12 9.1 -8.1 10 150 13680 280 17 16.7 -3.0 | 290 11 10.5 -3.9 11 100 16210 330 21 10.5 -18.2 | 348 20 4.2 -19.1 Wind Parameters Mean winds (0-6000m): 231.8 at 8.5 knts Storm direction: 261.8 at 6.4 knts Shear (0-3000m) pos: 2.2 neg: 2.8 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 27.0 deg Storm rel helicity (0-3000m) pos: 99.3 neg: -94.3 tot: 4.9 m^2/s^2 ave: 1.6 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 11.5 stream: 0.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 7.36 Bulk Shear: 3.50 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 ------------------------------------------------------------------------------- 500 195 6 136 7| 0.0 12.5 12.5| 40.6 -0.0 40.6 81.3 0.84| 18.4 15.4 1000 251 12 239 6| 6.0 6.3 12.3| 96.2 -19.1 77.1 77.1 0.66| 21.0 13.9 1500 242 13 225 8| 4.0 5.5 9.5| 96.2 -56.0 40.2 26.8 0.30| 18.0 5.3 2000 240 13 221 7| 3.0 4.5 7.5| 96.2 -82.5 13.7 6.8 0.11| 15.7 1.7 2500 243 12 223 6| 2.4 3.3 5.7| 96.7 -94.3 2.4 1.0 0.04| 13.5 0.6 3000 237 11 208 5| 2.2 2.8 4.9| 99.3 -94.3 4.9 1.6 0.06| 11.5 0.7 4000 228 9 185 5| 2.0 2.1 4.0|102.5 -94.3 8.2 2.0 0.08| 9.0 0.7 5000 225 8 174 5| 1.9 1.7 3.5|104.2 -94.3 9.8 2.0 0.09| 7.5 0.7 6000 232 8 185 4| 2.4 1.4 3.8|116.8 -94.3 22.5 3.7 0.19| 7.2 1.4 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251212.06.gif