UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042406.upa.cvt Date: 0600Z 24 APR 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 24 APR 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 139 SFC 928 757 6.4 4.6 88 1.8 5.5 250 11 285.6 286.6 282.0 301.7 5.73 2 925 786 6.2 4.5 89 1.7 5.4 245 7 285.6 286.6 282.0 301.7 5.71 3 850 1474 1.8 1.2 96 0.6 1.5 270 23 288.0 288.9 282.2 302.0 4.91 4 700 3017 -5.7 -7.1 90 1.4 -6.2 315 5 296.2 296.8 283.7 305.8 3.20 5 500 5590 -19.9 -25.9 59 6.0 -21.1 175 19 308.8 309.0 286.0 311.9 0.93 6 400 7200 -32.7 -37.2 64 4.5 -33.2 195 11 312.5 312.6 286.7 313.9 0.39 7 300 9150 -50.1 -56.1 49 6.0 -50.3 195 23 314.7 314.7 287.1 315.0 0.06 8 250 10320 -57.3 -64.3 41 7.0 -57.4 330 3 320.9 320.9 289.0 321.0 0.03 9 249 10346 -57.5 -65.5 35 8.0 -57.6 320 1 320.9 321.0 289.0 321.0 0.02 10 200 11760 -50.7 -81.7 1 31.0 -51.1 300 19 352.5 352.5 297.2 352.5 0.00 11 150 13620 -51.3 -83.3 1 32.0 -51.8 315 23 381.7 381.7 302.5 381.7 0.00 12 100 16230 -55.5 -86.5 1 31.0 -56.0 330 7 420.5 420.5 307.8 420.5 0.00 TRP 249 10346 -57.5 -65.5 35 8.0 -57.6 320 1 320.9 321.0 289.0 321.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5451.00 m Freezing level: 814.00 mb = 1844.32 m = 6050.85 ft Wetbulb zero: 820.75 mb = 1752.29 m = 5748.92 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 82.66 % Est. max temperature: 12.42 C = 54.36 F Sfc-Lift cond lev (LCL): 902.70 mb = 984.53 m = 3230.05 ft T: 4.93 C 700-500 lapse rate: 5.52 C/km ThetaE index: 0.00 C Layer 928.0- 0.0 mb Conv cond level (CCL): 854.10 mb = 1434.83 m = 4707.40 ft Mean mixing ratio: 5.20 g/kg Conv temperature: 8.66 C = 47.58 F Cap Strength: 2.63 C Lifted Index: 7.74 C Risk: None Lifted Index @300 mb: 9.18 C Lifted Index @700 mb: 2.63 C Showalter Index: 7.68 C Risk: None Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 21.10 C K Index: 21.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 79.40 Risk: None Energy Index: 2.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.89 J/kg Max Up Vert Vel: 5.08 m/s Conv Inhibition (B-): 12867.48 J/kg Cap Strength: 7.62 C Lift Cond Lev (LCL): 862.79 mb = 1352.49 m = 4437.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 251 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 ---------------------------------------------------------- 0 928 757 250 11 10.3 3.8 | 241 1 0.7 0.4 1 925 786 245 7 6.3 3.0 | 83 3 -3.3 -0.4 2 850 1474 270 23 23.0 -0.0 | 284 14 13.3 -3.4 3 700 3017 315 5 3.5 -3.5 | 42 9 -6.1 -6.9 4 500 5590 175 19 -1.7 18.9 | 144 19 -11.3 15.5 5 400 7200 195 11 2.8 10.6 | 137 10 -6.8 7.2 6 300 9150 195 23 6.0 22.2 | 169 19 -3.7 18.8 7 250 10320 330 3 1.5 -2.6 | 54 10 -8.2 -6.0 8 249 10346 320 1 0.6 -0.8 | 65 10 -9.0 -4.1 9 200 11760 300 19 16.5 -9.5 | 332 15 6.8 -12.9 10 150 13620 315 23 16.3 -16.3 | 341 21 6.6 -19.6 11 100 16230 330 7 3.5 -6.1 | 33 11 -6.2 -9.4 Wind Parameters Mean winds (0-6000m): 220.7 at 13.6 knts Storm direction: 250.7 at 10.2 knts Shear (0-3000m) pos: 1.6 neg: 0.8 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 128.4 deg Storm rel helicity (0-3000m) pos: 59.5 neg: -6.7 tot: 52.8 m^2/s^2 ave: 17.6 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.46 Bulk Shear: 8.84 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 ------------------------------------------------------------------------------- 500 257 12 285 2| 7.8 0.0 7.8| 1.3 -0.2 1.2 2.4 0.10| 15.0 1.5 1000 267 17 291 7| 5.8 0.0 5.8| 18.8 -0.2 18.6 18.6 0.28| 12.6 3.6 1500 272 17 300 8| 3.2 0.0 3.2| 37.4 -0.2 37.2 24.8 0.43| 10.9 4.7 2000 274 15 309 7| 2.4 0.0 2.4| 52.6 -0.2 52.5 26.2 0.53| 9.8 5.2 2500 274 13 319 6| 2.0 0.4 2.3| 59.5 -2.6 56.9 22.8 0.52| 8.8 4.5 3000 275 13 328 5| 1.6 0.8 2.5| 59.5 -6.7 52.8 17.6 0.41| 8.1 3.3 4000 263 12 308 3| 1.2 2.1 3.3| 59.5 -12.2 47.4 11.8 0.21| 7.7 1.6 5000 236 13 198 4| 1.0 2.5 3.5| 59.9 -40.7 19.2 3.8 0.06| 7.6 0.5 6000 221 14 174 7| 1.2 2.1 3.3| 60.3 -42.7 17.6 2.9 0.05| 6.9 0.4 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20250424.06.gif