UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102118.upa.cvt Date: 1800Z 21 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1800Z 21 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 25 1 925 690 320 5 SFC 918 757 12.6 6.6 67 6.0 9.3 320 5 292.8 294.0 286.1 312.0 6.67 3 850 1396 8.0 5.2 82 2.8 6.5 185 3 294.5 295.7 286.5 313.5 6.53 4 700 2972 -2.7 -6.9 73 4.2 -4.4 240 25 299.5 300.1 285.1 309.4 3.25 5 500 5560 -17.1 -26.1 46 9.0 -19.1 265 29 312.2 312.4 287.2 315.3 0.91 6 400 7190 -28.3 -36.3 46 8.0 -29.3 280 31 318.2 318.3 288.6 319.8 0.43 7 300 9190 -44.1 -54.1 32 10.0 -44.5 285 33 323.2 323.2 289.8 323.5 0.08 8 250 10380 -54.7 -59.7 54 5.0 -54.8 285 33 324.7 324.8 290.2 324.9 0.05 9 216 11299 -60.9 -65.7 53 4.8 -61.0 270 36 329.0 329.0 291.5 329.1 0.03 10 200 11780 -57.3 -74.3 10 17.0 -57.5 275 31 342.0 342.0 294.8 342.1 0.01 11 150 13610 -57.7 -82.7 3 25.0 -58.0 275 36 370.7 370.7 300.7 370.7 0.00 12 100 16150 -60.3 -85.3 2 25.0 -60.6 280 27 411.2 411.2 306.7 411.2 0.00 TRP 216 11299 -60.9 -65.7 53 4.8 -61.0 270 36 329.0 329.0 291.5 329.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5535.00 m Freezing level: 737.85 mb = 2574.32 m = 8445.82 ft Wetbulb zero: 761.02 mb = 2293.59 m = 7524.81 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 67.01 % Est. max temperature: 16.83 C = 62.30 F Sfc-Lift cond lev (LCL): 838.46 mb = 1506.96 m = 4944.03 ft T: 7.25 C 700-500 lapse rate: 5.56 C/km ThetaE index: 4.09 C Layer 700.0- 500.0 mb Conv cond level (CCL): 789.65 mb = 1993.82 m = 6541.32 ft Mean mixing ratio: 6.44 g/kg Conv temperature: 16.14 C = 61.05 F Cap Strength: 1.37 C Lifted Index: 3.48 C Risk: None Lifted Index @300 mb: 7.68 C Lifted Index @700 mb: 0.09 C Showalter Index: 3.07 C Risk: None Total Totals Index: 47.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 22.30 C K Index: 26.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 97.40 Risk: None Energy Index: 0.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.81 J/kg Max Up Vert Vel: 4.43 m/s Conv Inhibition (B-): 8336.10 J/kg Cap Strength: 3.31 C Lift Cond Lev (LCL): 816.66 mb = 1720.78 m = 5645.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 286 at 16 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 ---------------------------------------------------------- 0 918 757 320 5 3.2 -3.8 | 93 13 -12.6 0.6 1 850 1396 185 3 0.3 3.0 | 116 17 -15.6 7.4 2 700 2972 240 25 21.7 12.5 | 199 18 5.8 17.0 3 500 5560 265 29 28.9 2.5 | 242 15 13.0 7.0 4 400 7190 280 31 30.5 -5.4 | 274 15 14.7 -0.9 5 300 9190 285 33 31.9 -8.5 | 284 17 16.0 -4.1 6 250 10380 285 33 31.9 -8.5 | 284 17 16.0 -4.1 7 216 11299 270 36 36.0 -0.0 | 258 21 20.1 4.5 8 200 11780 275 31 30.9 -2.7 | 263 15 15.0 1.8 9 150 13610 275 36 35.9 -3.1 | 266 20 20.0 1.3 10 100 16150 280 27 26.6 -4.7 | 271 11 10.7 -0.2 Wind Parameters Mean winds (0-6000m): 255.7 at 22.0 knts Storm direction: 285.7 at 16.5 knts Shear (0-3000m) pos: 3.8 neg: 2.0 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 117.3 deg Storm rel helicity (0-3000m) pos: 157.2 neg: -1.6 tot: 155.5 m^2/s^2 ave: 51.8 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 5.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.19 Bulk Shear: 50.42 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 ------------------------------------------------------------------------------- 500 306 4 99 13| 0.0 7.0 7.0| 17.9 0.0 17.9 35.8 0.69| 8.1 5.6 1000 225 5 121 15| 0.0 5.9 5.9| 40.7 -1.6 39.1 39.1 0.69| 7.3 5.1 1500 218 7 130 15| 2.7 4.0 6.6| 78.5 -1.6 76.9 51.2 0.80| 7.6 6.1 2000 230 10 142 14| 4.1 3.0 7.1|121.3 -1.6 119.7 59.9 0.86| 8.0 6.9 2500 238 13 155 12| 4.2 2.4 6.6|147.3 -1.6 145.7 58.3 0.88| 7.5 6.6 3000 240 15 166 12| 3.8 2.0 5.7|157.2 -1.6 155.5 51.8 0.88| 6.7 5.9 4000 245 18 182 12| 3.2 1.5 4.7|176.8 -1.6 175.2 43.8 0.89| 5.6 5.0 5000 251 20 196 12| 2.8 1.2 4.0|196.3 -1.6 194.7 38.9 0.90| 5.0 4.5 6000 256 22 209 11| 2.6 1.0 3.6|215.3 -1.6 213.7 35.6 0.91| 4.6 4.2 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251021.18.gif