UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100912.upa.cvt Date: 1200Z 9 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 9 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 197 SFC 936 757 12.0 10.4 90 1.6 11.0 100 1 290.6 292.1 286.9 314.6 8.48 2 925 854 10.6 10.4 99 0.2 10.5 0 0 290.1 291.7 286.9 314.4 8.59 3 850 1555 6.8 6.8 100 0.0 6.8 275 7 293.3 294.6 286.8 314.3 7.31 4 700 3129 -1.7 -2.4 95 0.7 -2.0 295 9 300.6 301.4 286.9 314.4 4.58 5 500 5730 -17.5 -22.1 67 4.6 -18.7 305 17 311.7 311.9 287.4 316.0 1.30 6 400 7360 -29.7 -46.7 18 17.0 -31.2 320 23 316.4 316.4 287.7 316.9 0.14 7 300 9350 -44.7 -59.7 17 15.0 -45.2 300 29 322.4 322.4 289.5 322.5 0.04 8 250 10560 -49.5 -66.5 12 17.0 -49.9 305 38 332.5 332.5 292.4 332.6 0.02 9 200 12010 -52.5 -75.5 5 23.0 -52.8 290 40 349.6 349.6 296.5 349.7 0.01 10 150 13850 -57.1 -82.1 3 25.0 -57.4 270 29 371.7 371.7 300.9 371.7 0.00 11 111 15735 -62.1 -85.1 3 23.0 -62.3 290 19 395.8 395.8 304.6 395.8 0.00 12 100 16380 -62.7 -85.7 3 23.0 -62.9 305 13 406.6 406.6 306.1 406.6 0.00 TRP 111 15735 -62.1 -85.1 3 23.0 -62.3 290 19 395.8 395.8 304.6 395.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5533.00 m Freezing level: 730.00 mb = 2814.20 m = 9232.83 ft Wetbulb zero: 734.43 mb = 2739.72 m = 8988.47 ft Precipitable water: 0.90 inches Sfc-500 mean rel hum: 88.90 % Est. max temperature: 17.54 C = 63.57 F Sfc-Lift cond lev (LCL): 913.72 mb = 955.67 m = 3135.37 ft T: 10.05 C 700-500 lapse rate: 6.07 C/km ThetaE index: 0.34 C Layer 925.0- 700.0 mb Conv cond level (CCL): 881.93 mb = 1249.25 m = 4098.55 ft Mean mixing ratio: 7.89 g/kg Conv temperature: 13.29 C = 55.92 F Cap Strength: 0.33 C Lifted Index: 2.11 C Risk: None Lifted Index @300 mb: 5.96 C Lifted Index @700 mb: 0.33 C Showalter Index: 2.17 C Risk: Showers probable Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 24.30 C K Index: 30.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 112.60 Risk: None Energy Index: 0.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.37 J/kg Max Up Vert Vel: 5.72 m/s Conv Inhibition (B-): 0.07 J/kg Cap Strength: 2.08 C Lift Cond Lev (LCL): 882.82 mb = 1240.89 m = 4071.11 ft Lev Free Conv (LFC): 857.82 mb = 1479.04 m = 4852.44 ft Equ Level (EL): 797.82 mb = 2068.56 m = 6786.53 ft B at Equ Level: 16.34 J/kg Max Parcel Lev (MPL): 637.82 mb = 3848.05 m = 12624.68 ft Wind level data Storm motion: 331 at 9 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 ---------------------------------------------------------- 0 936 757 100 1 -1.0 0.2 | 146 9 -5.2 7.7 1 925 854 0 0 -0.0 -0.0 | 151 9 -4.2 7.5 2 850 1555 275 7 7.0 -0.6 | 202 7 2.7 6.9 3 700 3129 295 9 8.2 -3.8 | 226 5 3.9 3.7 4 500 5730 305 17 13.9 -9.8 | 283 10 9.7 -2.2 5 400 7360 320 23 14.8 -17.6 | 314 15 10.5 -10.1 6 300 9350 300 29 25.1 -14.5 | 288 22 20.9 -7.0 7 250 10560 305 38 31.1 -21.8 | 298 30 26.9 -14.3 8 200 12010 290 40 37.6 -13.7 | 280 34 33.3 -6.2 9 150 13850 270 29 29.0 -0.0 | 253 26 24.8 7.5 10 111 15735 290 19 17.9 -6.5 | 266 14 13.6 1.0 11 100 16380 305 13 10.6 -7.5 | 269 6 6.4 0.1 Wind Parameters Mean winds (0-6000m): 300.5 at 11.5 knts Storm direction: 330.5 at 8.6 knts Shear (0-3000m) pos: 0.8 neg: 1.4 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 99.7 deg Storm rel helicity (0-3000m) pos: 16.9 neg: -0.7 tot: 16.2 m^2/s^2 ave: 5.4 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 2.6 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.27 Bulk Shear: 12.85 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 ------------------------------------------------------------------------------- 500 313 2 155 7| 0.0 5.0 5.0| 4.3 -0.7 3.7 7.4 0.40| 5.6 2.2 1000 275 4 177 7| 0.0 4.2 4.2| 10.0 -0.7 9.4 9.4 0.57| 5.4 3.1 1500 278 5 187 7| 0.4 2.8 3.2| 11.6 -0.7 10.9 7.3 0.59| 3.9 2.3 2000 282 6 194 7| 0.6 2.1 2.7| 13.0 -0.7 12.4 6.2 0.61| 3.2 2.0 2500 285 7 199 6| 0.7 1.7 2.4| 14.6 -0.7 14.0 5.6 0.63| 2.8 1.8 3000 288 7 205 6| 0.8 1.4 2.2| 16.9 -0.7 16.2 5.4 0.67| 2.6 1.8 4000 292 8 220 6| 1.0 1.1 2.1| 21.7 -0.7 21.0 5.3 0.70| 2.4 1.7 5000 297 10 237 6| 1.2 0.8 2.0| 27.2 -0.7 26.5 5.3 0.70| 2.2 1.6 6000 301 12 254 6| 1.3 0.7 2.0| 38.9 -0.7 38.3 6.4 0.72| 2.3 1.6 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251009.12.gif