UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121608.upa.cvt Date: 0800Z 16 DEC 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0800Z 16 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 116 SFC 927 757 -3.7 -4.0 98 0.3 -3.8 90 3 275.4 275.9 273.3 283.8 3.06 2 925 770 -3.7 -3.7 100 0.0 -3.7 40 1 275.5 276.1 273.5 284.2 3.14 3 850 1467 10.2 -4.8 34 15.0 3.5 165 11 296.8 297.4 283.9 306.3 3.14 4 700 3044 -2.3 -12.3 46 10.0 -5.8 190 3 299.9 300.3 284.0 306.5 2.12 5 500 5630 -19.3 -30.3 37 11.0 -21.3 205 11 309.5 309.6 285.9 311.6 0.62 6 400 7240 -32.7 -37.4 63 4.7 -33.2 205 31 312.5 312.6 286.7 313.8 0.38 7 300 9200 -49.7 -53.6 63 3.9 -49.8 205 62 315.3 315.3 287.3 315.6 0.09 8 250 10360 -60.3 -66.3 45 6.0 -60.4 215 83 316.4 316.4 287.6 316.5 0.02 9 247 10436 -60.4 -66.9 42 6.5 -60.5 215 85 317.4 317.4 287.9 317.4 0.02 10 200 11750 -62.3 -77.3 12 15.0 -62.4 195 48 334.1 334.1 292.8 334.1 0.01 11 150 13530 -60.1 -84.1 3 24.0 -60.3 190 33 366.5 366.5 299.9 366.5 0.00 12 100 16060 -62.1 -86.1 3 24.0 -62.3 215 27 407.7 407.7 306.2 407.8 0.00 TRP 247 10436 -60.7 -67.7 39 7.0 -60.8 215 85 316.9 316.9 287.8 317.0 0.02 WND 247 10436 -60.4 -66.9 42 6.5 -60.5 215 85 317.4 317.4 287.9 317.4 0.02 Sounding variables and indices 1000-500 mb thick: 5514.00 m Freezing level: Surface below freezing Freezing level: 905.04 mb = 955.53 m = 3134.91 ft Freezing level: 727.60 mb = 2753.83 m = 9034.77 ft Wetbulb zero: Below ground Precipitable water: 0.40 inches Sfc-500 mean rel hum: 44.92 % Est. max temperature: 18.79 C = 65.82 F Sfc-Lift cond lev (LCL): 922.47 mb = 792.58 m = 2600.29 ft T: -3.25 C 700-500 lapse rate: 6.57 C/km ThetaE index: 0.00 C Layer 927.0--13503016538810089472.0 mb Conv cond level (CCL): 610.55 mb = 4094.82 m = 13434.28 ft Mean mixing ratio: 3.12 g/kg Conv temperature: 24.28 C = 75.70 F Cap Strength: 9.35 C Lifted Index: 11.32 C Risk: None Lifted Index @300 mb: 12.57 C Lifted Index @700 mb: 8.46 C Showalter Index: 5.41 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.50 C Cross Totals Index: 14.50 C K Index: 14.70 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 1.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 66.80 J/kg Max Up Vert Vel: 11.56 m/s Conv Inhibition (B-): 11855.85 J/kg Cap Strength: 11.09 C Lift Cond Lev (LCL): 759.38 mb = 2382.69 m = 7817.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 224 at 7 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 90 3 -3.0 0.0 | 58 9 -7.7 -4.8 1 925 770 40 1 -0.6 -0.8 | 44 8 -5.4 -5.6 2 850 1467 165 11 -2.8 10.6 | 127 10 -7.6 5.8 3 700 3044 190 3 0.5 3.0 | 66 5 -4.2 -1.9 4 500 5630 205 11 4.6 10.0 | 179 5 -0.1 5.1 5 400 7240 205 31 13.1 28.1 | 200 25 8.4 23.3 6 300 9200 205 62 26.2 56.2 | 203 56 21.5 51.4 7 250 10360 215 83 47.6 68.0 | 214 76 42.9 63.2 8 247 10436 215 85 48.8 69.6 | 214 78 44.0 64.8 9 200 11750 195 48 12.4 46.4 | 190 42 7.7 41.5 10 150 13530 190 33 5.7 32.5 | 182 28 1.0 27.7 11 100 16060 215 27 15.5 22.1 | 212 20 10.7 17.3 Wind Parameters Mean winds (0-6000m): 194.4 at 9.0 knts Storm direction: 224.4 at 6.8 knts Shear (0-3000m) pos: 1.1 neg: 0.0 tot: 1.1 10-3/s Storm rel Dir Shear (0-3000m): 35.4 deg Storm rel helicity (0-3000m) pos: 42.6 neg: -11.5 tot: 31.1 m^2/s^2 ave: 10.4 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 1.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 6.29 Bulk Shear: 10.61 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 ------------------------------------------------------------------------------- 500 120 4 73 9| 6.1 0.0 6.1| 22.6 -4.1 18.6 37.1 0.61| 10.7 6.5 1000 163 7 106 7| 4.9 0.0 4.9| 40.6 -4.7 36.0 36.0 0.68| 9.7 6.5 1500 166 7 111 7| 2.6 0.0 2.6| 40.6 -7.0 33.7 22.4 0.53| 7.4 3.9 2000 168 7 108 7| 1.4 0.0 1.4| 40.6 -9.9 30.8 15.4 0.37| 6.2 2.3 2500 169 6 103 6| 1.1 0.0 1.1| 41.2 -11.5 29.7 11.9 0.31| 5.4 1.7 3000 172 6 102 6| 1.1 0.0 1.1| 42.6 -11.5 31.1 10.4 0.34| 4.8 1.6 4000 179 6 106 5| 1.3 0.0 1.3| 45.3 -11.5 33.8 8.4 0.41| 4.0 1.6 5000 188 7 119 4| 1.5 0.0 1.5| 48.8 -11.5 37.3 7.5 0.44| 3.6 1.6 6000 194 9 148 5| 1.2 1.1 2.3| 56.2 -11.5 44.7 7.5 0.37| 4.1 1.5 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251216.08.gif