UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 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 30 1 925 709 160 5 SFC 920 757 21.0 1.0 26 20.0 10.4 160 5 301.2 302.1 287.0 314.7 4.47 3 850 1429 13.2 -0.8 38 14.0 6.2 135 5 300.0 300.7 286.3 312.7 4.24 4 700 3019 0.0 -8.0 55 8.0 -3.3 195 27 302.5 303.0 285.9 311.7 2.99 5 500 5640 -15.7 -34.7 18 19.0 -19.1 165 21 313.9 314.0 287.2 315.3 0.40 6 400 7270 -31.1 -39.1 45 8.0 -32.0 165 23 314.6 314.6 287.3 315.7 0.32 7 300 9240 -48.3 -53.1 57 4.8 -48.5 190 44 317.3 317.3 287.9 317.6 0.09 8 250 10410 -58.3 -64.3 46 6.0 -58.4 185 52 319.4 319.4 288.6 319.5 0.03 9 211 11459 -65.1 -69.3 56 4.2 -65.1 185 66 324.7 324.7 290.2 324.7 0.02 10 206 11606 -62.2 -73.1 22 10.8 -62.3 190 73 331.4 331.4 292.1 331.4 0.01 11 200 11790 -58.7 -77.7 7 19.0 -58.9 195 66 339.8 339.8 294.3 339.8 0.00 12 150 13670 -49.9 -81.9 1 32.0 -50.5 170 25 384.1 384.1 302.9 384.1 0.00 13 100 16270 -54.7 -85.7 1 31.0 -55.2 185 46 422.0 422.0 308.0 422.1 0.00 TRP 211 11459 -65.1 -69.3 56 4.2 -65.1 185 66 324.7 324.7 290.2 324.7 0.02 WND 206 11606 -62.2 -73.1 22 10.8 -62.3 190 73 331.4 331.4 292.1 331.4 0.01 Sounding variables and indices 1000-500 mb thick: 5610.00 m Freezing level: 700.00 mb = 3019.00 m = 9904.74 ft Wetbulb zero: 751.86 mb = 2433.72 m = 7984.54 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 39.02 % Est. max temperature: 21.08 C = 69.95 F Sfc-Lift cond lev (LCL): 682.40 mb = 3217.35 m = 10555.48 ft T: -1.19 C 700-500 lapse rate: 5.99 C/km ThetaE index: 3.04 C Layer 850.0- 500.0 mb Conv cond level (CCL): 633.59 mb = 3795.41 m = 12451.99 ft Mean mixing ratio: 4.28 g/kg Conv temperature: 25.57 C = 78.03 F Cap Strength: 2.54 C Lifted Index: 4.50 C Risk: None Lifted Index @300 mb: 3.07 C Lifted Index @700 mb: 1.80 C Showalter Index: 4.91 C Risk: None Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 28.90 C Cross Totals Index: 14.90 C K Index: 20.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 31.00 Risk: None Energy Index: 0.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.00 J/kg Max Up Vert Vel: 0.00 m/s Conv Inhibition (B-): 8982.28 J/kg Cap Strength: 4.46 C Lift Cond Lev (LCL): 683.39 mb = 3206.01 m = 10518.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 208 at 15 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 ---------------------------------------------------------- 0 920 757 160 5 -1.7 4.7 | 46 12 -8.6 -8.2 1 850 1429 135 5 -3.5 3.5 | 48 14 -10.5 -9.4 2 700 3019 195 27 7.0 26.1 | 180 13 0.1 13.2 3 500 5640 165 21 -5.4 20.3 | 121 14 -12.4 7.4 4 400 7270 165 23 -6.0 22.2 | 126 16 -12.9 9.3 5 300 9240 190 44 7.6 43.3 | 181 30 0.7 30.4 6 250 10410 185 52 4.5 51.8 | 176 39 -2.4 38.9 7 211 11459 185 66 5.8 65.7 | 179 53 -1.2 52.9 8 206 11606 190 73 12.7 71.9 | 186 59 5.8 59.0 9 200 11790 195 66 17.1 63.8 | 191 52 10.2 50.9 10 150 13670 170 25 -4.3 24.6 | 136 16 -11.3 11.7 11 100 16270 185 46 4.0 45.8 | 175 33 -2.9 32.9 Wind Parameters Mean winds (0-6000m): 178.2 at 19.5 knts Storm direction: 208.2 at 14.6 knts Shear (0-3000m) pos: 4.1 neg: 0.8 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 115.3 deg Storm rel helicity (0-3000m) pos: 87.7 neg: -13.7 tot: 74.1 m^2/s^2 ave: 24.7 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.00 Bulk Shear: 30.74 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 ------------------------------------------------------------------------------- 500 151 5 48 13| 0.0 1.7 1.7| 1.2 0.0 1.2 2.4 0.23| 1.7 0.4 1000 146 6 51 13| 2.4 0.8 3.2| 18.0 0.0 18.0 18.0 0.75| 3.5 2.6 1500 156 8 62 12| 4.2 0.6 4.7| 43.4 0.0 43.4 28.9 0.87| 5.1 4.5 2000 173 11 78 9| 5.2 0.4 5.6| 71.1 0.0 71.1 35.5 0.92| 6.3 5.8 2500 184 14 101 6| 4.9 0.3 5.2| 87.7 -4.0 83.7 33.5 0.85| 6.4 5.5 3000 186 16 119 6| 4.1 0.8 4.8| 87.7 -13.7 74.1 24.7 0.70| 5.8 4.1 4000 184 18 133 8| 3.0 1.3 4.3| 87.7 -32.0 55.7 13.9 0.47| 5.0 2.4 5000 182 19 134 9| 2.4 1.4 3.9| 88.0 -47.6 40.4 8.1 0.33| 4.5 1.5 6000 178 20 131 10| 2.0 1.2 3.2| 91.3 -47.6 43.7 7.3 0.33| 3.9 1.3 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20250416.12.gif