UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041618.upa.cvt Date: 1800Z 16 APR 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1800Z 16 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 22 1 925 705 170 7 SFC 919 757 21.8 1.8 27 20.0 11.0 170 7 302.2 303.0 287.6 316.5 4.74 3 850 1429 15.4 -0.6 33 16.0 7.2 165 13 302.3 303.1 287.2 315.4 4.30 4 700 3029 0.0 -2.9 81 2.9 -1.3 190 15 302.5 303.3 287.4 315.9 4.41 5 500 5630 -17.5 -23.5 59 6.0 -18.9 200 33 311.7 311.9 287.3 315.5 1.15 6 400 7260 -30.5 -34.0 71 3.5 -31.0 205 25 315.3 315.5 287.8 317.2 0.54 7 300 9230 -47.7 -50.9 69 3.2 -47.9 205 27 318.1 318.1 288.3 318.6 0.12 8 250 10410 -57.1 -58.9 80 1.8 -57.1 170 31 321.2 321.2 289.2 321.4 0.05 9 225 11069 -61.5 -64.9 64 3.4 -61.6 175 46 324.3 324.3 290.1 324.4 0.03 10 200 11810 -54.3 -80.3 3 26.0 -54.6 190 44 346.8 346.8 295.9 346.8 0.00 11 150 13690 -54.1 -84.1 1 30.0 -54.5 170 27 376.9 376.9 301.8 376.9 0.00 12 100 16290 -53.7 -86.7 1 33.0 -54.3 205 27 424.0 424.0 308.2 424.0 0.00 TRP 225 11069 -61.5 -64.9 64 3.4 -61.6 175 46 324.3 324.3 290.1 324.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5608.00 m Freezing level: 700.00 mb = 3029.00 m = 9937.54 ft Wetbulb zero: 723.28 mb = 2759.35 m = 9052.88 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 60.84 % Est. max temperature: 22.13 C = 71.83 F Sfc-Lift cond lev (LCL): 682.08 mb = 3229.50 m = 10595.33 ft T: -1.35 C 700-500 lapse rate: 6.73 C/km ThetaE index: 1.14 C Layer 850.0- 700.0 mb Conv cond level (CCL): 651.27 mb = 3586.78 m = 11767.52 ft Mean mixing ratio: 4.46 g/kg Conv temperature: 24.13 C = 75.43 F Cap Strength: 1.24 C Lifted Index: 1.29 C Risk: Showers probable Lifted Index @300 mb: 2.03 C Lifted Index @700 mb: 0.21 C Showalter Index: 1.52 C Risk: Showers probable Total Totals Index: 49.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 32.90 C Cross Totals Index: 16.90 C K Index: 29.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 75.00 Risk: None Energy Index: 0.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.81 J/kg Max Up Vert Vel: 1.27 m/s Conv Inhibition (B-): 8356.10 J/kg Cap Strength: 1.29 C Lift Cond Lev (LCL): 672.30 mb = 3341.06 m = 10961.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 224 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 ---------------------------------------------------------- 0 919 757 170 7 -1.2 6.9 | 69 13 -12.2 -4.6 1 850 1429 165 13 -3.4 12.6 | 94 14 -14.4 1.1 2 700 3029 190 15 2.6 14.8 | 111 9 -8.4 3.3 3 500 5630 200 33 11.3 31.0 | 181 20 0.3 19.5 4 400 7260 205 25 10.6 22.7 | 178 11 -0.4 11.2 5 300 9230 205 27 11.4 24.5 | 182 13 0.4 13.0 6 250 10410 170 31 -5.4 30.5 | 139 25 -16.4 19.0 7 225 11069 175 46 -4.0 45.8 | 156 37 -15.0 34.3 8 200 11810 190 44 7.6 43.3 | 174 32 -3.4 31.8 9 150 13690 170 27 -4.7 26.6 | 134 22 -15.7 15.1 10 100 16290 205 27 11.4 24.5 | 182 13 0.4 13.0 Wind Parameters Mean winds (0-6000m): 193.7 at 21.2 knts Storm direction: 223.7 at 15.9 knts Shear (0-3000m) pos: 1.9 neg: 0.8 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 71.4 deg Storm rel helicity (0-3000m) pos: 43.9 neg: 0.0 tot: 43.9 m^2/s^2 ave: 14.6 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 3.0 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 24.51 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 ------------------------------------------------------------------------------- 500 167 9 79 13| 0.0 4.6 4.6| 15.4 0.0 15.4 30.9 0.98| 4.6 4.5 1000 167 11 87 13| 1.1 2.3 3.4| 23.4 0.0 23.4 23.4 0.91| 3.7 3.4 1500 170 12 91 13| 1.2 1.5 2.8| 27.1 0.0 27.1 18.1 0.83| 3.2 2.6 2000 174 13 95 12| 1.4 1.2 2.6| 30.2 0.0 30.2 15.1 0.78| 2.9 2.2 2500 177 13 98 12| 1.6 0.9 2.5| 35.4 0.0 35.4 14.2 0.78| 2.9 2.2 3000 180 14 103 11| 1.9 0.8 2.7| 43.9 0.0 43.9 14.6 0.81| 3.0 2.4 4000 186 16 117 10| 2.3 0.6 2.9| 62.1 0.0 62.1 15.5 0.81| 3.2 2.5 5000 191 19 136 10| 2.4 0.5 2.9| 80.3 0.0 80.3 16.1 0.76| 3.2 2.5 6000 194 21 147 11| 1.7 0.4 2.1| 80.3 -1.2 79.1 13.2 0.65| 3.1 2.0 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20250416.18.gif