UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100812.upa.cvt Date: 1200Z 8 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 8 OCT 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 174 SFC 934 757 12.6 9.8 83 2.8 11.0 70 3 291.4 292.8 286.9 314.6 8.16 2 925 837 11.8 9.1 84 2.7 10.2 100 3 291.4 292.8 286.6 313.8 7.86 3 850 1545 12.0 5.0 62 7.0 8.1 60 1 298.7 299.9 288.0 317.7 6.44 4 700 3141 1.4 -1.5 81 2.9 -0.0 45 7 304.0 304.9 288.4 318.9 4.90 5 500 5780 -12.7 -18.7 61 6.0 -14.6 310 21 317.6 317.9 289.8 323.4 1.75 6 400 7440 -23.9 -45.9 11 22.0 -26.4 300 25 323.9 324.0 290.1 324.5 0.16 7 300 9470 -39.3 -43.1 67 3.8 -39.6 305 35 330.0 330.0 292.0 331.1 0.28 8 250 10690 -49.3 -52.7 67 3.4 -49.4 310 36 332.8 332.8 292.6 333.2 0.12 9 200 12120 -60.3 -64.8 55 4.5 -60.4 320 42 337.3 337.3 293.7 337.4 0.03 10 196 12246 -61.3 -65.7 56 4.4 -61.4 325 42 337.6 337.6 293.7 337.8 0.03 11 150 13910 -60.1 -81.1 5 21.0 -60.3 310 27 366.5 366.5 299.9 366.6 0.00 12 100 16410 -64.1 -85.1 4 21.0 -64.3 300 21 403.9 403.9 305.7 403.9 0.00 TRP 196 12246 -61.3 -65.7 56 4.4 -61.4 325 42 337.6 337.6 293.7 337.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5606.00 m Freezing level: 680.14 mb = 3403.03 m = 11164.66 ft Wetbulb zero: 700.72 mb = 3132.61 m = 10277.46 ft Precipitable water: 0.90 inches Sfc-500 mean rel hum: 71.56 % Est. max temperature: 22.00 C = 71.60 F Sfc-Lift cond lev (LCL): 895.44 mb = 1108.95 m = 3638.25 ft T: 11.88 C 700-500 lapse rate: 5.34 C/km ThetaE index: 0.85 C Layer 925.0- 850.0 mb Conv cond level (CCL): 738.82 mb = 2697.34 m = 8849.44 ft Mean mixing ratio: 7.09 g/kg Conv temperature: 23.59 C = 74.46 F Cap Strength: 4.13 C Lifted Index: 5.97 C Risk: None Lifted Index @300 mb: 10.28 C Lifted Index @700 mb: 2.73 C Showalter Index: 4.98 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 17.70 C K Index: 26.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 83.00 Risk: None Energy Index: 1.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.02 J/kg Max Up Vert Vel: 6.33 m/s Conv Inhibition (B-): 8183.18 J/kg Cap Strength: 5.71 C Lift Cond Lev (LCL): 818.79 mb = 1852.46 m = 6077.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 358 at 8 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 ---------------------------------------------------------- 0 934 757 70 3 -2.8 -1.0 | 157 8 -3.1 7.4 1 925 837 100 3 -3.0 0.5 | 160 10 -3.3 9.0 2 850 1545 60 1 -0.9 -0.5 | 171 8 -1.2 8.0 3 700 3141 45 7 -4.9 -4.9 | 124 6 -5.3 3.5 4 500 5780 310 21 16.1 -13.5 | 288 17 15.8 -5.0 5 400 7440 300 25 21.7 -12.5 | 281 22 21.3 -4.0 6 300 9470 305 35 28.7 -20.1 | 292 31 28.3 -11.6 7 250 10690 310 36 27.6 -23.1 | 298 31 27.3 -14.7 8 200 12120 320 42 27.0 -32.2 | 312 36 26.7 -23.7 9 196 12246 325 42 24.1 -34.4 | 318 35 23.8 -25.9 10 150 13910 310 27 20.7 -17.4 | 294 22 20.4 -8.9 11 100 16410 300 21 18.2 -10.5 | 277 18 17.9 -2.0 Wind Parameters Mean winds (0-6000m): 327.8 at 11.3 knts Storm direction: 357.8 at 8.5 knts Shear (0-3000m) pos: 0.2 neg: 1.6 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): -80.2 deg Storm rel helicity (0-3000m) pos: 4.7 neg: -16.7 tot: -12.0 m^2/s^2 ave: -4.0 10^-3 m/s^2 rel: -0.55 Storm rel vorticity (0-3000m) horiz: 2.5 stream: -1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.92 Bulk Shear: 21.64 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 90 3 161 9| 1.2 0.0 1.2| 2.9 0.0 2.9 5.9 0.43| 3.0 1.3 1000 85 2 165 9| 0.6 0.3 0.9| 4.7 -1.4 3.3 3.3 0.31| 2.4 0.7 1500 72 2 163 8| 0.4 0.7 1.1| 4.7 -4.9 -0.2 -0.1 -0.06| 2.2 -0.1 2000 61 3 159 8| 0.3 1.0 1.4| 4.7 -8.2 -3.5 -1.8 -0.26| 2.2 -0.6 2500 54 4 153 7| 0.2 1.3 1.5| 4.7 -11.9 -7.2 -2.9 -0.41| 2.2 -0.9 3000 46 4 147 6| 0.2 1.6 1.8| 4.7 -16.7 -12.0 -4.0 -0.55| 2.5 -1.4 4000 20 7 132 3| 0.2 2.0 2.2| 4.7 -28.4 -23.7 -5.9 -0.69| 3.1 -2.2 5000 344 9 276 2| 0.1 2.3 2.4| 4.7 -56.5 -51.7 -10.3 -0.70| 3.8 -2.6 6000 328 11 281 6| 0.1 2.1 2.2| 4.7 -63.6 -58.8 -9.8 -0.67| 3.5 -2.3 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251008.12.gif