UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101318.upa.cvt Date: 1800Z 13 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1800Z 13 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 209 SFC 937 757 9.0 6.4 84 2.6 7.6 100 9 287.5 288.6 283.6 305.6 6.44 2 925 858 7.8 6.3 90 1.5 7.0 100 7 287.3 288.4 283.6 305.5 6.48 3 850 1551 5.8 3.5 85 2.3 4.6 75 13 292.2 293.3 284.9 308.9 5.79 4 700 3130 -1.3 -3.7 84 2.4 -2.4 10 5 301.0 301.8 286.6 313.6 4.15 5 500 5740 -16.1 -26.1 42 10.0 -18.4 330 11 313.4 313.6 287.6 316.5 0.91 6 400 7380 -29.1 -40.1 34 11.0 -30.3 320 13 317.2 317.2 288.2 318.2 0.29 7 300 9370 -45.3 -59.3 19 14.0 -45.7 325 17 321.5 321.5 289.3 321.7 0.04 8 250 10560 -53.7 -63.7 28 10.0 -53.9 320 19 326.2 326.2 290.7 326.3 0.03 9 200 11970 -60.1 -70.1 26 10.0 -60.2 345 23 337.6 337.6 293.7 337.7 0.02 10 190 12290 -61.7 -71.7 25 10.0 -61.8 335 19 340.0 340.0 294.3 340.1 0.01 11 150 13760 -60.9 -82.9 4 22.0 -61.1 355 15 365.2 365.2 299.7 365.2 0.00 12 100 16270 -63.9 -85.9 3 22.0 -64.1 340 17 404.3 404.3 305.7 404.3 0.00 TRP 190 12290 -61.7 -71.7 25 10.0 -61.8 335 19 340.0 340.0 294.3 340.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5531.00 m Freezing level: 727.46 mb = 2840.89 m = 9320.38 ft Wetbulb zero: 751.26 mb = 2555.30 m = 8383.44 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 73.31 % Est. max temperature: 17.11 C = 62.80 F Sfc-Lift cond lev (LCL): 900.63 mb = 1076.81 m = 3532.80 ft T: 7.17 C 700-500 lapse rate: 5.67 C/km ThetaE index: 0.07 C Layer 925.0- 850.0 mb Conv cond level (CCL): 793.16 mb = 2113.83 m = 6935.05 ft Mean mixing ratio: 6.12 g/kg Conv temperature: 16.77 C = 62.18 F Cap Strength: 4.19 C Lifted Index: 7.96 C Risk: None Lifted Index @300 mb: 10.26 C Lifted Index @700 mb: 4.19 C Showalter Index: 6.91 C Risk: None Total Totals Index: 41.50 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 19.60 C K Index: 23.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 79.00 Risk: None Energy Index: 1.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.88 J/kg Max Up Vert Vel: 5.98 m/s Conv Inhibition (B-): 9476.90 J/kg Cap Strength: 7.66 C Lift Cond Lev (LCL): 859.26 mb = 1462.18 m = 4797.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 38 at 7 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 ---------------------------------------------------------- 0 937 757 100 9 -8.9 1.6 | 146 8 -4.7 7.0 1 925 858 100 7 -6.9 1.2 | 158 7 -2.7 6.6 2 850 1551 75 13 -12.6 -3.4 | 104 9 -8.4 2.1 3 700 3130 10 5 -0.9 -4.9 | 261 3 3.3 0.5 4 500 5740 330 11 5.5 -9.5 | 293 10 9.7 -4.1 5 400 7380 320 13 8.4 -10.0 | 290 13 12.5 -4.5 6 300 9370 325 17 9.8 -13.9 | 301 16 13.9 -8.5 7 250 10560 320 19 12.2 -14.6 | 299 19 16.4 -9.1 8 200 11970 345 23 6.0 -22.2 | 329 20 10.1 -16.8 9 190 12290 335 19 8.0 -17.2 | 314 17 12.2 -11.8 10 150 13760 355 15 1.3 -14.9 | 330 11 5.5 -9.5 11 100 16270 340 17 5.8 -16.0 | 317 15 10.0 -10.6 Wind Parameters Mean winds (0-6000m): 7.5 at 9.1 knts Storm direction: 37.5 at 6.8 knts Shear (0-3000m) pos: 0.0 neg: 2.0 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 137.9 deg Storm rel helicity (0-3000m) pos: 4.5 neg: -22.2 tot: -17.7 m^2/s^2 ave: -5.9 10^-3 m/s^2 rel: -0.52 Storm rel vorticity (0-3000m) horiz: 4.1 stream: -2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.94 Bulk Shear: 19.11 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 93 9 143 7| 0.0 2.9 2.9| 3.2 -7.9 -4.7 -9.5 -0.41| 6.2 -2.5 1000 82 10 124 7| 0.0 3.4 3.4| 3.2 -17.2 -14.0 -14.0 -0.59| 5.9 -3.5 1500 74 10 114 6| 0.0 2.9 2.9| 3.2 -20.1 -16.9 -11.3 -0.57| 5.5 -3.1 2000 69 10 111 5| 0.0 2.5 2.5| 3.2 -21.3 -18.1 -9.1 -0.61| 5.1 -3.2 2500 67 9 114 5| 0.0 2.2 2.2| 3.4 -22.2 -18.8 -7.5 -0.60| 4.7 -2.8 3000 60 9 110 3| 0.0 2.0 2.0| 4.5 -22.2 -17.7 -5.9 -0.52| 4.1 -2.1 4000 44 8 70 2| 0.0 1.9 1.9| 5.9 -22.2 -16.3 -4.1 -0.42| 3.5 -1.5 5000 23 9 343 3| 0.0 1.9 1.9| 5.9 -23.2 -17.3 -3.5 -0.38| 3.2 -1.2 6000 8 9 321 5| 0.0 1.7 1.7| 5.9 -24.2 -18.3 -3.0 -0.37| 2.8 -1.0 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251013.18.gif