UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102712.upa.cvt Date: 1200Z 27 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 27 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 57 1 925 701 260 33 SFC 919 757 3.4 2.1 91 1.3 2.8 260 33 283.3 284.1 279.9 296.8 4.84 3 850 1383 0.2 -1.0 92 1.2 -0.3 255 62 286.4 287.1 280.6 298.3 4.18 4 700 2918 -7.9 -9.2 90 1.3 -8.4 290 50 293.7 294.2 282.1 301.9 2.72 5 500 5470 -21.9 -22.4 96 0.5 -22.0 285 69 306.3 306.6 285.5 310.5 1.27 6 400 7060 -35.9 -38.9 74 3.0 -36.2 280 75 308.3 308.4 285.1 309.5 0.33 7 300 9010 -48.3 -64.3 14 16.0 -48.6 285 81 317.3 317.3 287.9 317.4 0.02 8 266 9786 -53.0 -65.0 22 12.0 -53.2 290 87 321.5 321.5 289.2 321.6 0.02 9 251 10155 -55.3 -65.3 28 10.0 -55.5 290 81 323.5 323.5 289.9 323.6 0.02 10 250 10180 -55.3 -65.3 28 10.0 -55.5 290 81 323.9 323.9 289.9 323.9 0.02 11 200 11620 -51.1 -78.1 3 27.0 -51.5 285 68 351.8 351.8 297.0 351.9 0.00 12 150 13470 -55.3 -82.3 2 27.0 -55.6 275 54 374.8 374.8 301.4 374.8 0.00 13 100 16060 -56.3 -84.3 2 28.0 -56.8 255 29 418.9 418.9 307.6 419.0 0.00 TRP 251 10155 -55.3 -65.3 28 10.0 -55.5 290 81 323.5 323.5 289.9 323.6 0.02 WND 266 9786 -53.0 -65.0 22 12.0 -53.2 290 87 321.5 321.5 289.2 321.6 0.02 Sounding variables and indices 1000-500 mb thick: 5413.00 m Freezing level: 846.30 mb = 1420.90 m = 4661.69 ft Wetbulb zero: 857.37 mb = 1313.74 m = 4310.11 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 92.17 % Est. max temperature: 10.10 C = 50.17 F Sfc-Lift cond lev (LCL): 900.63 mb = 918.95 m = 3014.88 ft T: 2.57 C 700-500 lapse rate: 5.49 C/km Conv cond level (CCL): 830.08 mb = 1570.50 m = 5152.50 ft Mean mixing ratio: 4.35 g/kg Conv temperature: 7.26 C = 45.06 F Cap Strength: 2.74 C Lifted Index: 8.55 C Risk: None Lifted Index @300 mb: 13.85 C Lifted Index @700 mb: 2.74 C Showalter Index: 8.26 C Risk: None Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 20.90 C K Index: 19.80 Risk: < 20 % chance of thunderstorms Sweat Index: 193.00 Risk: None Energy Index: 2.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.17 J/kg Max Up Vert Vel: 5.69 m/s Conv Inhibition (B-): 13882.67 J/kg Cap Strength: 8.48 C Lift Cond Lev (LCL): 851.28 mb = 1370.90 m = 4497.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 310 at 45 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 ---------------------------------------------------------- 0 919 757 260 33 32.5 5.7 | 177 35 -2.1 34.7 1 850 1383 255 62 59.9 16.0 | 209 52 25.3 45.0 2 700 2918 290 50 47.0 -17.1 | 226 17 12.4 11.8 3 500 5470 285 69 66.6 -17.9 | 251 34 32.1 11.1 4 400 7060 280 75 73.9 -13.0 | 248 42 39.3 15.9 5 300 9010 285 81 78.2 -21.0 | 260 44 43.7 8.0 6 266 9786 290 87 81.8 -29.8 | 271 47 47.2 -0.8 7 251 10155 290 81 76.1 -27.7 | 268 42 41.5 1.2 8 250 10180 290 81 76.1 -27.7 | 268 42 41.5 1.2 9 200 11620 285 68 65.7 -17.6 | 250 33 31.1 11.3 10 150 13470 275 54 53.8 -4.7 | 218 31 19.2 24.2 11 100 16060 255 29 28.0 7.5 | 170 37 -6.6 36.5 Wind Parameters Mean winds (0-6000m): 279.9 at 60.1 knts Storm direction: 309.9 at 45.1 knts Shear (0-3000m) pos: 5.4 neg: 4.6 tot: 10.0 10-3/s Storm rel Dir Shear (0-3000m): 62.6 deg Storm rel helicity (0-3000m) pos: 378.7 neg: 0.0 tot: 378.7 m^2/s^2 ave: 126.2 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 12.0 stream: 6.5 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.18 Bulk Shear: 87.53 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 ------------------------------------------------------------------------------- 500 257 44 193 40| 0.0 24.0 24.0|203.0 0.0 203.0 405.9 0.83| 24.1 20.1 1000 258 52 202 43| 4.2 12.0 16.2|299.4 0.0 299.4 299.4 0.72| 19.2 13.9 1500 261 54 207 41| 6.3 8.0 14.3|338.3 0.0 338.3 225.5 0.63| 16.9 10.6 2000 266 54 210 38| 7.3 6.0 13.3|354.7 0.0 354.7 177.4 0.55| 15.6 8.6 2500 270 53 213 35| 6.5 4.8 11.3|365.8 0.0 365.8 146.3 0.54| 13.6 7.3 3000 273 53 216 32| 5.4 4.6 10.0|378.7 0.0 378.7 126.2 0.54| 12.0 6.5 4000 277 55 222 30| 4.0 4.4 8.4|402.8 0.0 402.8 100.7 0.53| 10.0 5.4 5000 279 58 228 30| 3.2 4.2 7.5|417.7 -2.5 415.2 83.0 0.51| 8.7 4.4 6000 280 60 233 31| 2.7 4.0 6.7|417.7 -15.2 402.5 67.1 0.46| 7.8 3.6 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251027.12.gif