UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120506.upa.cvt Date: 0600Z 5 DEC 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 5 DEC 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 76 1 925 714 230 5 SFC 921 757 -0.3 -0.4 99 0.1 -0.3 230 5 279.3 280.0 276.9 290.5 4.03 3 850 1391 -2.1 -2.3 99 0.2 -2.2 305 17 283.9 284.6 278.9 294.7 3.80 4 700 2915 -9.1 -9.5 97 0.4 -9.2 40 13 292.4 292.9 281.5 300.3 2.66 5 500 5450 -24.7 -25.5 93 0.8 -24.8 155 7 302.9 303.1 283.8 306.1 0.96 6 400 7030 -36.9 -39.5 77 2.6 -37.1 155 25 307.0 307.1 284.6 308.1 0.31 7 300 8950 -54.5 -59.5 54 5.0 -54.6 165 36 308.5 308.5 284.8 308.7 0.04 8 260 9847 -61.3 -64.6 65 3.3 -61.3 145 36 311.4 311.4 285.9 311.5 0.02 9 250 10090 -59.7 -71.7 20 12.0 -59.8 160 38 317.3 317.3 287.9 317.3 0.01 10 200 11490 -56.9 -78.9 5 22.0 -57.1 185 17 342.7 342.7 295.0 342.7 0.00 11 150 13310 -57.9 -82.9 3 25.0 -58.2 250 9 370.3 370.3 300.6 370.3 0.00 12 100 15850 -60.1 -87.1 2 27.0 -60.4 230 25 411.6 411.6 306.7 411.6 0.00 TRP 260 9847 -61.3 -64.6 65 3.3 -61.3 145 36 311.4 311.4 285.9 311.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5374.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.48 inches Sfc-500 mean rel hum: 96.36 % Est. max temperature: 8.34 C = 47.01 F Sfc-Lift cond lev (LCL): 919.39 mb = 770.82 m = 2528.91 ft T: -0.34 C 700-500 lapse rate: 6.15 C/km ThetaE index: 0.00 C Layer 921.0--3910119490600262696960.0 mb Conv cond level (CCL): 848.24 mb = 1407.25 m = 4616.91 ft Mean mixing ratio: 3.84 g/kg Conv temperature: 4.28 C = 39.70 F Cap Strength: 4.30 C Lifted Index: 9.03 C Risk: None Lifted Index @300 mb: 10.81 C Lifted Index @700 mb: 4.30 C Showalter Index: 8.03 C Risk: None Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.60 C Cross Totals Index: 22.40 C K Index: 19.90 Risk: < 20 % chance of thunderstorms Sweat Index: 41.00 Risk: None Energy Index: 2.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.09 J/kg Max Up Vert Vel: 7.08 m/s Conv Inhibition (B-): 12626.60 J/kg Cap Strength: 8.79 C Lift Cond Lev (LCL): 866.90 mb = 1235.39 m = 4053.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 107 at 9 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 ---------------------------------------------------------- 0 921 757 230 5 3.8 3.2 | 267 13 12.7 0.6 1 850 1391 305 17 13.9 -9.8 | 299 26 22.8 -12.4 2 700 2915 40 13 -8.4 -10.0 | 358 13 0.5 -12.6 3 500 5450 155 7 -3.0 6.3 | 238 7 5.9 3.7 4 400 7030 155 25 -10.6 22.7 | 175 20 -1.7 20.0 5 300 8950 165 36 -9.3 34.8 | 179 32 -0.4 32.1 6 260 9847 145 36 -20.6 29.5 | 156 29 -11.8 26.8 7 250 10090 160 38 -13.0 35.7 | 173 33 -4.1 33.1 8 200 11490 185 17 1.5 16.9 | 216 18 10.4 14.3 9 150 13310 250 9 8.5 3.1 | 269 17 17.3 0.4 10 100 15850 230 25 19.2 16.1 | 244 31 28.0 13.4 Wind Parameters Mean winds (0-6000m): 76.7 at 12.3 knts Storm direction: 106.7 at 9.3 knts Shear (0-3000m) pos: 2.7 neg: 0.0 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 113.8 deg Storm rel helicity (0-3000m) pos: 192.7 neg: 0.0 tot: 192.7 m^2/s^2 ave: 64.2 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 6.2 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.42 Bulk Shear: 60.10 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 ------------------------------------------------------------------------------- 500 286 10 286 19| 13.0 0.0 13.0| 39.2 0.0 39.2 78.3 0.52| 14.3 7.5 1000 303 13 296 22| 9.0 0.0 9.0|109.9 0.0 109.9 109.9 0.71| 13.1 9.3 1500 317 14 305 22| 6.3 0.0 6.3|152.4 0.0 152.4 101.6 0.75| 11.6 8.7 2000 328 14 311 22| 4.7 0.0 4.7|178.5 0.0 178.5 89.2 0.75| 10.7 8.0 2500 340 14 319 21| 3.5 0.0 3.5|189.0 0.0 189.0 75.6 0.72| 9.8 7.1 3000 354 13 327 19| 2.7 0.0 2.7|192.7 0.0 192.7 64.2 0.69| 9.0 6.2 4000 11 12 337 16| 1.4 0.0 1.4|194.0 0.0 194.0 48.5 0.65| 7.8 5.1 5000 18 12 339 15| 1.1 0.0 1.1|196.1 -6.3 189.9 38.0 0.55| 7.0 3.9 6000 77 12 30 6| 0.9 1.0 1.9|196.1 -27.1 169.0 28.2 0.39| 6.9 2.7 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251205.06.gif