UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100806.upa.cvt Date: 0600Z 8 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 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 179 SFC 935 757 5.8 5.7 99 0.1 5.8 250 3 284.4 285.4 282.0 301.5 6.15 2 925 837 8.0 6.6 91 1.4 7.2 120 5 287.5 288.6 283.8 306.1 6.62 3 850 1544 11.6 3.6 58 8.0 7.3 275 1 298.3 299.4 287.3 315.6 5.83 4 700 3138 1.4 -0.3 88 1.7 0.5 15 9 304.0 305.0 288.8 320.3 5.35 5 500 5780 -12.9 -20.9 51 8.0 -15.2 320 25 317.3 317.6 289.4 322.2 1.45 6 400 7440 -25.3 -43.3 17 18.0 -27.4 325 25 322.1 322.1 289.6 322.9 0.21 7 300 9470 -39.1 -42.7 69 3.6 -39.4 325 31 330.3 330.3 292.1 331.4 0.30 8 250 10690 -49.7 -54.2 59 4.5 -49.8 325 38 332.2 332.2 292.4 332.6 0.10 9 200 12120 -60.1 -66.1 45 6.0 -60.2 330 46 337.6 337.6 293.7 337.7 0.03 10 195 12278 -61.5 -66.5 51 5.0 -61.6 335 48 337.8 337.8 293.8 337.9 0.03 11 150 13910 -60.5 -80.5 6 20.0 -60.7 320 25 365.9 365.9 299.8 365.9 0.00 12 100 16410 -65.1 -85.1 5 20.0 -65.3 320 11 401.9 401.9 305.5 402.0 0.00 TRP 195 12278 -61.5 -66.5 51 5.0 -61.6 335 48 337.8 337.8 293.8 337.9 0.03 WND Sounding variables and indices 1000-500 mb thick: 5601.00 m Freezing level: 680.42 mb = 3396.66 m = 11143.75 ft Wetbulb zero: 693.06 mb = 3216.26 m = 10551.91 ft Precipitable water: 0.86 inches Sfc-500 mean rel hum: 71.88 % Est. max temperature: 21.81 C = 71.26 F Sfc-Lift cond lev (LCL): 933.63 mb = 767.94 m = 2519.46 ft T: 6.10 C 700-500 lapse rate: 5.41 C/km ThetaE index: 0.00 C Layer 935.0- -0.0 mb Conv cond level (CCL): 704.54 mb = 3084.91 m = 10120.98 ft Mean mixing ratio: 6.17 g/kg Conv temperature: 24.91 C = 76.84 F Cap Strength: 5.88 C Lifted Index: 8.82 C Risk: None Lifted Index @300 mb: 13.91 C Lifted Index @700 mb: 5.04 C Showalter Index: 6.01 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 16.50 C K Index: 26.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 70.20 Risk: None Energy Index: 1.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.75 J/kg Max Up Vert Vel: 7.31 m/s Conv Inhibition (B-): 10731.99 J/kg Cap Strength: 8.79 C Lift Cond Lev (LCL): 821.00 mb = 1828.98 m = 6000.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 3 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 ---------------------------------------------------------- 0 935 757 250 3 2.8 1.0 | 197 12 3.4 11.1 1 925 837 120 5 -4.3 2.5 | 163 13 -3.8 12.6 2 850 1544 275 1 1.0 -0.1 | 189 10 1.5 10.0 3 700 3138 15 9 -2.3 -8.7 | 128 2 -1.8 1.4 4 500 5780 320 25 16.1 -19.2 | 299 19 16.6 -9.1 5 400 7440 325 25 14.3 -20.5 | 305 18 14.9 -10.4 6 300 9470 325 31 17.8 -25.4 | 310 24 18.3 -15.3 7 250 10690 325 38 21.8 -31.1 | 313 31 22.3 -21.0 8 200 12120 330 46 23.0 -39.8 | 322 38 23.6 -29.7 9 195 12278 335 48 20.3 -43.5 | 328 39 20.8 -33.4 10 150 13910 320 25 16.1 -19.2 | 299 19 16.6 -9.1 11 100 16410 320 11 7.1 -8.4 | 258 8 7.6 1.7 Wind Parameters Mean winds (0-6000m): 333.1 at 13.5 knts Storm direction: 3.1 at 10.1 knts Shear (0-3000m) pos: 2.1 neg: 0.4 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 161.3 deg Storm rel helicity (0-3000m) pos: 29.9 neg: -26.2 tot: 3.6 m^2/s^2 ave: 1.2 10^-3 m/s^2 rel: -0.14 Storm rel vorticity (0-3000m) horiz: 5.6 stream: -0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.67 Bulk Shear: 39.64 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 ------------------------------------------------------------------------------- 500 149 4 174 13| 0.0 1.9 1.9| 20.3 -21.7 -1.4 -2.9 -0.10| 13.7 -1.3 1000 135 3 173 12| 1.5 1.0 2.5| 24.3 -22.7 1.6 1.6 -0.01| 8.7 -0.1 1500 333 3 194 8| 2.0 0.6 2.7| 29.0 -22.7 6.4 4.2 0.09| 6.9 0.6 2000 360 4 185 6| 2.4 0.5 2.9| 29.9 -23.0 6.9 3.4 0.08| 6.2 0.5 2500 20 5 170 6| 2.5 0.4 2.9| 29.9 -25.0 4.9 2.0 -0.06| 5.9 -0.3 3000 14 6 170 5| 2.1 0.4 2.5| 29.9 -26.2 3.6 1.2 -0.14| 5.6 -0.8 4000 359 8 201 2| 1.6 1.3 2.8| 29.9 -32.3 -2.5 -0.6 -0.20| 5.2 -1.1 5000 340 11 274 4| 1.3 1.9 3.2| 29.9 -52.1 -22.2 -4.4 -0.26| 5.2 -1.4 6000 333 13 286 7| 1.1 1.6 2.7| 35.3 -52.4 -17.0 -2.8 -0.24| 4.5 -1.1 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251008.06.gif