UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102106.upa.cvt Date: 0600Z 21 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 21 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 18 1 925 685 270 5 SFC 918 757 5.6 5.2 97 0.4 5.4 270 5 285.7 286.7 282.4 302.6 6.04 3 850 1391 9.2 2.2 62 7.0 5.6 220 7 295.8 296.7 285.8 311.3 5.28 4 700 2967 -1.7 -5.6 75 3.9 -3.4 240 27 300.6 301.3 285.9 311.5 3.60 5 500 5550 -19.9 -31.9 34 12.0 -22.0 240 33 308.8 308.9 285.5 310.6 0.53 6 400 7180 -30.3 -46.3 19 16.0 -31.7 260 38 315.6 315.6 287.5 316.2 0.15 7 300 9160 -44.5 -56.5 25 12.0 -44.9 265 60 322.6 322.6 289.6 322.9 0.06 8 269 9878 -50.0 -57.5 41 7.5 -50.2 265 60 324.8 324.9 290.3 325.1 0.06 9 250 10350 -53.7 -58.2 58 4.5 -53.8 260 58 326.2 326.2 290.7 326.5 0.06 10 221 11136 -58.5 -61.7 66 3.2 -58.6 260 54 330.5 330.6 291.9 330.7 0.04 11 200 11770 -54.9 -77.9 4 23.0 -55.2 265 50 345.8 345.8 295.7 345.8 0.00 12 150 13600 -58.3 -83.3 3 25.0 -58.5 265 33 369.6 369.6 300.5 369.6 0.00 13 100 16150 -60.5 -86.5 2 26.0 -60.8 270 31 410.8 410.8 306.6 410.8 0.00 TRP 221 11136 -58.5 -61.7 66 3.2 -58.6 260 54 330.5 330.6 291.9 330.7 0.04 WND 269 9878 -50.0 -57.5 41 7.5 -50.2 265 60 324.8 324.9 290.3 325.1 0.06 Sounding variables and indices 1000-500 mb thick: 5532.00 m Freezing level: 723.39 mb = 2721.20 m = 8927.72 ft Wetbulb zero: 756.53 mb = 2336.58 m = 7665.87 ft Precipitable water: 0.60 inches Sfc-500 mean rel hum: 61.79 % Est. max temperature: 17.99 C = 64.38 F Sfc-Lift cond lev (LCL): 912.35 mb = 807.88 m = 2650.48 ft T: 5.89 C 700-500 lapse rate: 7.05 C/km Conv cond level (CCL): 728.42 mb = 2643.98 m = 8674.36 ft Mean mixing ratio: 5.47 g/kg Conv temperature: 19.26 C = 66.66 F Cap Strength: 4.29 C Lifted Index: 3.40 C Risk: None Lifted Index @300 mb: 10.27 C Lifted Index @700 mb: 3.20 C Showalter Index: 1.58 C Risk: Showers probable Total Totals Index: 51.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.10 C Cross Totals Index: 22.10 C K Index: 27.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 117.40 Risk: None Energy Index: -0.13 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.71 J/kg Max Up Vert Vel: 9.02 m/s Conv Inhibition (B-): 9865.65 J/kg Cap Strength: 4.29 C Lift Cond Lev (LCL): 806.35 mb = 1818.93 m = 5967.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 272 at 19 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 ---------------------------------------------------------- 0 918 757 270 5 5.0 -0.0 | 92 14 -14.0 0.5 1 850 1391 220 7 4.5 5.4 | 112 16 -14.5 5.9 2 700 2967 240 27 23.4 13.5 | 197 15 4.4 14.0 3 500 5550 240 33 28.6 16.5 | 209 20 9.6 17.0 4 400 7180 260 38 37.4 6.6 | 249 20 18.4 7.1 5 300 9160 265 60 59.8 5.2 | 262 41 40.8 5.7 6 269 9878 265 60 59.8 5.2 | 262 41 40.8 5.7 7 250 10350 260 58 57.1 10.1 | 254 40 38.1 10.6 8 221 11136 260 54 53.2 9.4 | 254 36 34.2 9.9 9 200 11770 265 50 49.8 4.4 | 261 31 30.8 4.9 10 150 13600 265 33 32.9 2.9 | 256 14 13.9 3.4 11 100 16150 270 31 31.0 -0.0 | 268 12 12.0 0.5 Wind Parameters Mean winds (0-6000m): 241.6 at 25.3 knts Storm direction: 271.6 at 19.0 knts Shear (0-3000m) pos: 2.9 neg: 1.7 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 109.7 deg Storm rel helicity (0-3000m) pos: 96.4 neg: 0.0 tot: 96.4 m^2/s^2 ave: 32.1 10^-3 m/s^2 rel: 0.94 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 4.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.80 Bulk Shear: 50.64 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 ------------------------------------------------------------------------------- 500 246 6 102 14| 0.0 4.3 4.3| 14.9 0.0 14.9 29.8 0.94| 4.4 4.1 1000 232 7 110 14| 0.0 4.6 4.6| 35.5 0.0 35.5 35.5 0.92| 5.2 4.8 1500 231 10 120 13| 2.2 3.0 5.3| 58.1 0.0 58.1 38.7 0.95| 5.7 5.4 2000 234 13 132 12| 3.4 2.3 5.7| 81.3 0.0 81.3 40.6 0.96| 6.0 5.8 2500 237 15 145 11| 3.4 1.8 5.3| 93.4 0.0 93.4 37.4 0.95| 5.6 5.3 3000 238 17 157 11| 2.9 1.7 4.6| 96.4 0.0 96.4 32.1 0.94| 4.8 4.5 4000 239 21 173 11| 2.2 1.5 3.7|102.5 0.0 102.5 25.6 0.91| 3.9 3.6 5000 239 23 184 12| 1.9 1.3 3.2|115.6 0.0 115.6 23.1 0.89| 3.5 3.1 6000 242 25 195 13| 2.0 1.1 3.1|156.9 0.0 156.9 26.1 0.91| 3.6 3.3 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251021.06.gif