UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102818.upa.cvt Date: 1800Z 28 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1800Z 28 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 109 SFC 927 757 9.4 4.6 72 4.8 6.9 280 11 288.7 289.8 283.4 305.1 5.74 2 925 766 10.2 4.2 66 6.0 7.1 275 11 289.7 290.7 283.7 305.7 5.59 3 850 1465 5.6 2.2 79 3.4 3.9 260 40 292.0 293.0 284.3 307.3 5.28 4 700 3028 -2.9 -15.9 36 13.0 -7.1 270 40 299.3 299.6 283.1 304.2 1.58 5 500 5620 -19.5 -35.5 23 16.0 -22.0 285 50 309.3 309.3 285.5 310.6 0.37 6 400 7250 -29.3 -51.3 10 22.0 -31.0 295 64 316.9 316.9 287.8 317.2 0.08 7 300 9240 -45.3 -49.4 63 4.1 -45.5 290 73 321.5 321.5 289.4 322.0 0.14 8 250 10430 -54.5 -61.5 42 7.0 -54.6 285 69 325.0 325.0 290.3 325.2 0.04 9 200 11830 -62.9 -73.9 21 11.0 -63.0 290 75 333.2 333.2 292.6 333.2 0.01 10 193 12049 -64.0 -73.4 26 9.5 -64.1 290 77 334.8 334.8 293.0 334.9 0.01 11 191 12113 -64.3 -73.3 28 9.0 -64.4 290 75 335.3 335.3 293.2 335.4 0.01 12 150 13600 -61.7 -81.7 5 20.0 -61.9 285 56 363.8 363.8 299.4 363.8 0.00 13 100 16100 -64.1 -86.1 3 22.0 -64.3 275 35 403.9 403.9 305.7 403.9 0.00 TRP 191 12113 -64.3 -73.3 28 9.0 -64.4 290 75 335.3 335.3 293.2 335.4 0.01 WND 193 12049 -64.0 -73.4 26 9.5 -64.1 290 77 334.8 334.8 293.0 334.9 0.01 Sounding variables and indices 1000-500 mb thick: 5511.00 m Freezing level: 751.18 mb = 2494.74 m = 8184.75 ft Wetbulb zero: 796.79 mb = 1985.43 m = 6513.79 ft Precipitable water: 0.47 inches Sfc-500 mean rel hum: 44.22 % Est. max temperature: 15.90 C = 60.62 F Sfc-Lift cond lev (LCL): 861.66 mb = 1352.35 m = 4436.79 ft T: 6.34 C 700-500 lapse rate: 6.40 C/km ThetaE index: 3.04 C Layer 700.0- 500.0 mb Conv cond level (CCL): 760.21 mb = 2363.79 m = 7755.13 ft Mean mixing ratio: 5.31 g/kg Conv temperature: 16.70 C = 62.05 F Cap Strength: 2.94 C Lifted Index: 5.03 C Risk: None Lifted Index @300 mb: 10.78 C Lifted Index @700 mb: 2.94 C Showalter Index: 4.56 C Risk: None Total Totals Index: 46.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 21.70 C K Index: 14.30 Risk: None Sweat Index: 156.40 Risk: None Energy Index: 0.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.56 J/kg Max Up Vert Vel: 4.37 m/s Conv Inhibition (B-): 9297.80 J/kg Cap Strength: 4.90 C Lift Cond Lev (LCL): 816.72 mb = 1786.49 m = 5861.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 307 at 33 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 ---------------------------------------------------------- 0 927 757 280 11 10.8 -1.9 | 139 23 -15.2 17.6 1 925 766 275 11 11.0 -1.0 | 141 24 -15.1 18.6 2 850 1465 260 40 39.4 6.9 | 207 30 13.3 26.5 3 700 3028 270 40 40.0 -0.0 | 216 24 13.9 19.5 4 500 5620 285 50 48.3 -12.9 | 253 23 22.2 6.6 5 400 7250 295 64 58.0 -27.0 | 283 33 31.9 -7.5 6 300 9240 290 73 68.6 -25.0 | 277 43 42.5 -5.4 7 250 10430 285 69 66.6 -17.9 | 268 41 40.6 1.7 8 200 11830 290 75 70.5 -25.7 | 278 45 44.4 -6.1 9 193 12049 290 77 72.4 -26.3 | 278 47 46.3 -6.8 10 191 12113 290 75 70.5 -25.7 | 278 45 44.4 -6.1 11 150 13600 285 56 54.1 -14.5 | 260 28 28.0 5.0 12 100 16100 275 35 34.9 -3.1 | 208 19 8.8 16.5 Wind Parameters Mean winds (0-6000m): 276.9 at 43.4 knts Storm direction: 306.9 at 32.6 knts Shear (0-3000m) pos: 1.6 neg: 5.1 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 86.3 deg Storm rel helicity (0-3000m) pos: 210.2 neg: 0.0 tot: 210.2 m^2/s^2 ave: 70.1 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 5.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.13 Bulk Shear: 70.85 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 ------------------------------------------------------------------------------- 500 267 21 166 21| 0.0 21.6 21.6|112.5 0.0 112.5 224.9 0.95| 21.7 20.6 1000 262 29 187 24| 0.0 15.3 15.3|161.4 0.0 161.4 161.4 0.87| 16.0 13.9 1500 263 33 195 25| 0.8 10.2 11.0|171.0 0.0 171.0 114.0 0.85| 11.4 9.7 2000 264 35 200 25| 1.1 7.7 8.8|180.0 0.0 180.0 90.0 0.83| 9.2 7.6 2500 265 36 203 25| 1.4 6.1 7.5|192.5 0.0 192.5 77.0 0.83| 7.8 6.5 3000 267 37 206 24| 1.6 5.1 6.7|210.2 0.0 210.2 70.1 0.84| 7.0 5.9 4000 270 39 213 23| 2.0 3.8 5.8|246.4 0.0 246.4 61.6 0.86| 6.0 5.2 5000 273 41 221 23| 2.2 3.1 5.3|286.7 0.0 286.7 57.3 0.88| 5.5 4.8 6000 277 43 230 22| 2.8 2.6 5.3|348.2 0.0 348.2 58.0 0.87| 5.5 4.8 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251028.18.gif