UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 11 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 203 SFC 936 757 6.4 5.0 91 1.4 5.7 60 3 284.9 285.9 281.8 301.2 5.84 2 925 850 5.8 4.0 88 1.8 4.9 85 3 285.2 286.2 281.6 300.7 5.51 3 850 1542 3.8 1.4 84 2.4 2.7 15 1 290.1 291.0 283.2 304.4 4.98 4 700 3097 -2.9 -8.9 63 6.0 -5.2 350 5 299.3 299.8 284.5 307.8 2.78 5 500 5690 -17.9 -26.9 45 9.0 -19.8 270 27 311.2 311.4 286.8 314.1 0.84 6 400 7310 -30.1 -32.7 78 2.6 -30.4 280 42 315.9 316.0 288.1 318.0 0.61 7 300 9290 -46.5 -50.6 63 4.1 -46.7 270 48 319.8 319.8 288.8 320.3 0.12 8 250 10470 -55.9 -62.9 41 7.0 -56.0 270 56 323.0 323.0 289.7 323.1 0.03 9 243 10651 -56.8 -63.8 41 7.0 -56.9 280 60 324.3 324.3 290.1 324.4 0.03 10 230 10998 -58.5 -65.5 40 7.0 -58.6 280 48 326.8 326.8 290.8 326.9 0.02 11 200 11880 -57.7 -76.7 7 19.0 -57.9 280 40 341.4 341.4 294.7 341.4 0.01 12 150 13700 -57.3 -85.3 2 28.0 -57.6 280 33 371.4 371.4 300.8 371.4 0.00 13 100 16230 -62.3 -87.3 2 25.0 -62.5 320 17 407.4 407.4 306.2 407.4 0.00 TRP 230 10998 -58.5 -65.5 40 7.0 -58.6 280 48 326.8 326.8 290.8 326.9 0.02 WND 243 10651 -56.8 -63.8 41 7.0 -56.9 280 60 324.3 324.3 290.1 324.4 0.03 Sounding variables and indices 1000-500 mb thick: 5487.00 m Freezing level: 764.93 mb = 2423.94 m = 7952.46 ft Wetbulb zero: 799.25 mb = 2035.06 m = 6676.63 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 65.28 % Est. max temperature: 15.15 C = 59.26 F Sfc-Lift cond lev (LCL): 916.08 mb = 929.27 m = 3048.76 ft T: 5.57 C 700-500 lapse rate: 5.78 C/km ThetaE index: 0.53 C Layer 925.0- 850.0 mb Conv cond level (CCL): 781.74 mb = 2212.49 m = 7258.72 ft Mean mixing ratio: 5.24 g/kg Conv temperature: 15.40 C = 59.71 F Cap Strength: 4.99 C Lifted Index: 9.21 C Risk: None Lifted Index @300 mb: 12.25 C Lifted Index @700 mb: 4.99 C Showalter Index: 8.04 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 19.30 C K Index: 17.10 Risk: < 20 % chance of thunderstorms Sweat Index: 45.80 Risk: None Energy Index: 1.99 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.99 J/kg Max Up Vert Vel: 5.83 m/s Conv Inhibition (B-): 11531.62 J/kg Cap Strength: 9.00 C Lift Cond Lev (LCL): 856.22 mb = 1482.35 m = 4863.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 311 at 10 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 ---------------------------------------------------------- 0 936 757 60 3 -2.6 -1.5 | 117 12 -10.5 5.3 1 925 850 85 3 -3.0 -0.3 | 121 13 -10.9 6.6 2 850 1542 15 1 -0.3 -1.0 | 126 10 -8.1 5.9 3 700 3097 350 5 0.9 -4.9 | 105 7 -7.0 1.9 4 500 5690 270 27 27.0 -0.0 | 250 20 19.1 6.8 5 400 7310 280 42 41.4 -7.3 | 271 33 33.5 -0.5 6 300 9290 270 48 48.0 -0.0 | 260 41 40.1 6.8 7 250 10470 270 56 56.0 -0.0 | 262 49 48.1 6.8 8 243 10651 280 60 59.1 -10.4 | 274 51 51.2 -3.6 9 230 10998 280 48 47.3 -8.3 | 272 39 39.4 -1.5 10 200 11880 280 40 39.4 -6.9 | 270 32 31.5 -0.1 11 150 13700 280 33 32.5 -5.7 | 267 25 24.6 1.1 12 100 16230 320 17 10.9 -13.0 | 334 7 3.1 -6.2 Wind Parameters Mean winds (0-6000m): 281.0 at 13.9 knts Storm direction: 311.0 at 10.4 knts Shear (0-3000m) pos: 0.0 neg: 1.9 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): -69.6 deg Storm rel helicity (0-3000m) pos: 5.7 neg: -14.7 tot: -9.0 m^2/s^2 ave: -3.0 10^-3 m/s^2 rel: -0.43 Storm rel vorticity (0-3000m) horiz: 2.5 stream: -1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.49 Bulk Shear: 34.42 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 70 3 120 12| 0.0 1.4 1.4| 3.5 -0.8 2.7 5.4 0.26| 3.4 0.9 1000 62 2 122 11| 0.0 1.2 1.2| 5.7 -2.0 3.7 3.7 0.25| 2.5 0.6 1500 40 2 120 11| 0.0 0.9 0.9| 5.7 -4.6 1.0 0.7 0.02| 2.1 0.0 2000 21 2 118 10| 0.0 1.0 1.0| 5.7 -6.9 -1.2 -0.6 -0.11| 2.0 -0.2 2500 7 3 116 9| 0.0 1.3 1.3| 5.7 -10.0 -4.3 -1.7 -0.25| 2.1 -0.5 3000 354 4 113 8| 0.0 1.9 1.9| 5.7 -14.7 -9.0 -3.0 -0.43| 2.5 -1.1 4000 321 7 115 4| 0.0 2.7 2.7| 5.7 -26.4 -20.8 -5.2 -0.59| 3.4 -2.0 5000 287 10 204 4| 0.0 3.1 3.1| 5.8 -58.0 -52.2 -10.4 -0.58| 4.2 -2.4 6000 281 14 234 7| 0.8 2.6 3.4| 43.6 -58.0 -14.4 -2.4 -0.35| 4.4 -1.5 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251211.12.gif