UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043013.upa.cvt Date: 1300Z 30 APR 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1300Z 30 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 175 SFC 935 757 20.6 4.6 35 16.0 11.6 40 7 299.5 300.5 287.5 316.4 5.69 2 925 851 19.2 2.2 32 17.0 10.1 20 11 298.9 299.8 286.5 313.4 4.85 3 850 1568 12.0 1.0 47 11.0 6.3 60 5 298.7 299.6 286.4 313.1 4.84 4 700 3154 0.0 -32.0 7 32.0 -7.3 230 5 302.5 302.6 282.9 303.8 0.37 5 500 5760 -18.9 -24.9 59 6.0 -20.2 360 5 310.0 310.2 286.5 313.4 1.01 6 400 7380 -30.7 -36.7 56 6.0 -31.4 20 3 315.1 315.2 287.6 316.6 0.41 7 300 9350 -46.3 -52.3 51 6.0 -46.6 45 11 320.1 320.1 288.9 320.5 0.10 8 250 10540 -54.9 -64.9 28 10.0 -55.1 50 17 324.4 324.5 290.1 324.5 0.02 9 200 11930 -64.5 -70.5 43 6.0 -64.6 45 15 330.6 330.6 291.9 330.7 0.01 10 185 12407 -65.5 -73.5 32 8.0 -65.5 35 15 336.5 336.5 293.4 336.5 0.01 11 150 13710 -58.3 -84.3 2 26.0 -58.5 355 9 369.6 369.6 300.5 369.6 0.00 12 100 16250 -57.5 -85.5 2 28.0 -57.9 295 17 416.6 416.6 307.3 416.6 0.00 TRP 185 12407 -65.5 -73.5 32 8.0 -65.5 35 15 336.5 336.5 293.4 336.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5585.00 m Freezing level: 700.00 mb = 3154.00 m = 10347.64 ft Wetbulb zero: 780.25 mb = 2267.37 m = 7438.78 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 31.98 % Est. max temperature: 21.45 C = 70.62 F Sfc-Lift cond lev (LCL): 736.56 mb = 2738.11 m = 8983.20 ft T: 3.15 C 700-500 lapse rate: 7.25 C/km ThetaE index: 12.60 C Layer 925.0- 500.0 mb Conv cond level (CCL): 671.78 mb = 3472.74 m = 11393.35 ft Mean mixing ratio: 4.81 g/kg Conv temperature: 24.55 C = 76.19 F Cap Strength: 2.89 C Lifted Index: 1.41 C Risk: Showers probable Lifted Index @300 mb: 5.18 C Lifted Index @700 mb: 2.56 C Showalter Index: 1.47 C Risk: Showers probable Total Totals Index: 50.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.90 C Cross Totals Index: 19.90 C K Index: -0.10 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 0.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.05 J/kg Max Up Vert Vel: 1.45 m/s Conv Inhibition (B-): 7437.51 J/kg Cap Strength: 2.89 C Lift Cond Lev (LCL): 716.59 mb = 2962.66 m = 9719.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 24 at 4 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 40 7 -4.5 -5.4 | 59 3 -2.9 -1.7 1 925 851 20 11 -3.8 -10.3 | 18 7 -2.2 -6.7 2 850 1568 60 5 -4.3 -2.5 | 112 3 -2.7 1.1 3 700 3154 230 5 3.8 3.2 | 218 9 5.4 6.8 4 500 5760 360 5 -0.0 -5.0 | 311 2 1.6 -1.4 5 400 7380 20 3 -1.0 -2.8 | 215 1 0.6 0.8 6 300 9350 45 11 -7.8 -7.8 | 56 7 -6.2 -4.1 7 250 10540 50 17 -13.0 -10.9 | 57 14 -11.4 -7.3 8 200 11930 45 15 -10.6 -10.6 | 52 11 -9.0 -7.0 9 185 12407 35 15 -8.6 -12.3 | 39 11 -7.0 -8.7 10 150 13710 355 9 0.8 -9.0 | 336 6 2.4 -5.3 11 100 16250 295 17 15.4 -7.2 | 282 17 17.0 -3.6 Wind Parameters Mean winds (0-6000m): 353.7 at 5.3 knts Storm direction: 23.7 at 4.0 knts Shear (0-3000m) pos: 1.9 neg: 0.0 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 176.3 deg Storm rel helicity (0-3000m) pos: 38.8 neg: -4.1 tot: 34.7 m^2/s^2 ave: 11.6 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 3.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.24 Bulk Shear: 4.44 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 29 9 33 5| 0.7 0.0 0.7| 5.7 -4.1 1.6 3.1 0.03| 10.4 0.3 1000 36 8 49 4| 2.3 0.0 2.3| 9.4 -4.1 5.3 5.3 0.29| 7.8 2.3 1500 50 7 79 4| 3.0 0.0 3.0| 15.0 -4.1 10.9 7.3 0.40| 6.8 2.7 2000 55 6 91 4| 3.0 0.0 3.0| 24.6 -4.1 20.5 10.3 0.51| 6.3 3.2 2500 37 6 59 2| 2.4 0.0 2.4| 34.3 -4.1 30.2 12.1 0.58| 5.9 3.4 3000 18 6 6 2| 1.9 0.0 1.9| 38.8 -4.1 34.7 11.6 0.60| 5.3 3.2 4000 331 6 287 4| 1.1 0.0 1.1| 45.2 -4.1 41.1 10.3 0.63| 4.5 2.8 5000 346 5 300 3| 0.5 0.0 0.5| 48.1 -4.1 44.0 8.8 0.63| 4.1 2.6 6000 354 5 307 3| 0.3 0.0 0.3| 48.1 -4.3 43.8 7.3 0.59| 3.5 2.1 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20250430.13.gif